diff --git a/app/src/main/java/hu/bbara/purefin/PurefinActivity.kt b/app/src/main/java/hu/bbara/purefin/PurefinActivity.kt
index ee2f5013..ae8085f9 100644
--- a/app/src/main/java/hu/bbara/purefin/PurefinActivity.kt
+++ b/app/src/main/java/hu/bbara/purefin/PurefinActivity.kt
@@ -22,6 +22,8 @@ import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.semantics.semantics
+import androidx.compose.ui.semantics.testTagsAsResourceId
 import androidx.lifecycle.lifecycleScope
 import androidx.lifecycle.viewmodel.navigation3.rememberViewModelStoreNavEntryDecorator
 import androidx.navigation3.runtime.EntryProviderScope
@@ -192,7 +194,10 @@ class PurefinActivity : ComponentActivity() {
                     NavDisplay(
                         backStack = backStack,
                         onBack = { navigationManager.pop() },
-                        modifier = Modifier.fillMaxSize().background(backgroundDark),
+                        modifier = Modifier
+                            .fillMaxSize()
+                            .background(backgroundDark)
+                            .semantics { testTagsAsResourceId = true },
                         transitionSpec = {
                             fadeIn(
                                 animationSpec = tween(
@@ -227,7 +232,9 @@ class PurefinActivity : ComponentActivity() {
                 }
             }
         } else {
-            LoginScreen()
+            LoginScreen(
+                modifier = Modifier.semantics { testTagsAsResourceId = true }
+            )
         }
     }
 }
diff --git a/app/src/main/java/hu/bbara/purefin/ui/screen/AppBottomBar.kt b/app/src/main/java/hu/bbara/purefin/ui/screen/AppBottomBar.kt
index 724fa3b9..ee4a8b1f 100644
--- a/app/src/main/java/hu/bbara/purefin/ui/screen/AppBottomBar.kt
+++ b/app/src/main/java/hu/bbara/purefin/ui/screen/AppBottomBar.kt
@@ -9,6 +9,8 @@ import androidx.compose.material3.NavigationBar
 import androidx.compose.material3.NavigationBarItem
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.testTag
 
 @Composable
 fun AppBottomBar(
@@ -16,17 +18,21 @@ fun AppBottomBar(
     isOnline: Boolean,
     onTabSelected: (Int) -> Unit
 ) {
-    NavigationBar {
+    NavigationBar(
+        modifier = Modifier.testTag(BottomNavigationTag)
+    ) {
         if (isOnline) {
             NavigationBarItem(
                 selected = selectedTab == 0,
                 onClick = { onTabSelected(0) },
+                modifier = Modifier.testTag(BottomNavigationHomeTag),
                 icon = { Icon(Icons.Outlined.Home, contentDescription = "Home") },
                 label = { Text("Home") }
             )
             NavigationBarItem(
                 selected = selectedTab == 1,
                 onClick = { onTabSelected(1) },
+                modifier = Modifier.testTag(BottomNavigationLibrariesTag),
                 icon = { Icon(Icons.Outlined.Collections, contentDescription = "Libraries") },
                 label = { Text("Libraries") }
             )
@@ -34,8 +40,14 @@ fun AppBottomBar(
         NavigationBarItem(
             selected = !isOnline || selectedTab == 2,
             onClick = { onTabSelected(2) },
+            modifier = Modifier.testTag(BottomNavigationDownloadsTag),
             icon = { Icon(Icons.Outlined.Download, contentDescription = "Downloads") },
             label = { Text("Downloads") }
         )
     }
 }
+
+internal const val BottomNavigationTag = "bottom-navigation"
+internal const val BottomNavigationHomeTag = "bottom-navigation-home"
+internal const val BottomNavigationLibrariesTag = "bottom-navigation-libraries"
+internal const val BottomNavigationDownloadsTag = "bottom-navigation-downloads"
diff --git a/app/src/main/java/hu/bbara/purefin/ui/screen/download/components/DownloadingItemRow.kt b/app/src/main/java/hu/bbara/purefin/ui/screen/download/components/DownloadingItemRow.kt
index 5c6ca14c..37707e64 100644
--- a/app/src/main/java/hu/bbara/purefin/ui/screen/download/components/DownloadingItemRow.kt
+++ b/app/src/main/java/hu/bbara/purefin/ui/screen/download/components/DownloadingItemRow.kt
@@ -22,6 +22,7 @@ import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
+import androidx.compose.ui.platform.testTag
 import androidx.compose.ui.layout.ContentScale
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.text.style.TextOverflow
@@ -33,9 +34,10 @@ import hu.bbara.purefin.core.feature.downloads.ActiveDownloadItem
 internal fun DownloadingItemRow(
     item: ActiveDownloadItem,
     onCancel: (String) -> Unit,
+    modifier: Modifier = Modifier
 ) {
     Card(
-        modifier = Modifier.fillMaxWidth(),
+        modifier = modifier.fillMaxWidth(),
         colors = CardDefaults.cardColors(containerColor = MaterialTheme.colorScheme.surfaceVariant),
         shape = RoundedCornerShape(12.dp)
     ) {
@@ -91,7 +93,10 @@ internal fun DownloadingItemRow(
                     )
                 }
             }
-            IconButton(onClick = { onCancel(item.contentId) }) {
+            IconButton(
+                onClick = { onCancel(item.contentId) },
+                modifier = Modifier.testTag("$DownloadsCancelButtonTagPrefix${item.contentId}")
+            ) {
                 Icon(
                     imageVector = Icons.Outlined.Close,
                     contentDescription = "Cancel download",
@@ -101,3 +106,5 @@ internal fun DownloadingItemRow(
         }
     }
 }
+
+internal const val DownloadsCancelButtonTagPrefix = "downloads-cancel-button-"
diff --git a/app/src/main/java/hu/bbara/purefin/ui/screen/download/components/DownloadsContent.kt b/app/src/main/java/hu/bbara/purefin/ui/screen/download/components/DownloadsContent.kt
index f0ec7ec8..69491cad 100644
--- a/app/src/main/java/hu/bbara/purefin/ui/screen/download/components/DownloadsContent.kt
+++ b/app/src/main/java/hu/bbara/purefin/ui/screen/download/components/DownloadsContent.kt
@@ -20,6 +20,7 @@ import androidx.compose.runtime.Composable
 import androidx.compose.runtime.collectAsState
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.testTag
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.unit.dp
 import androidx.hilt.navigation.compose.hiltViewModel
@@ -38,7 +39,9 @@ fun DownloadsContent(
 
     if (isEmpty) {
         Column(
-            modifier = modifier.fillMaxSize(),
+            modifier = modifier
+                .fillMaxSize()
+                .testTag(DownloadsEmptyStateTag),
             verticalArrangement = Arrangement.Center,
             horizontalAlignment = Alignment.CenterHorizontally
         ) {
@@ -62,7 +65,9 @@ fun DownloadsContent(
         contentPadding = PaddingValues(16.dp),
         horizontalArrangement = Arrangement.spacedBy(16.dp),
         verticalArrangement = Arrangement.spacedBy(16.dp),
-        modifier = modifier.background(MaterialTheme.colorScheme.background)
+        modifier = modifier
+            .testTag(DownloadsGridTag)
+            .background(MaterialTheme.colorScheme.background)
     ) {
         if (activeDownloads.value.isNotEmpty()) {
             item(key = "downloading-header", span = { GridItemSpan(maxLineSpan) }) {
@@ -80,7 +85,8 @@ fun DownloadsContent(
             ) { item ->
                 DownloadingItemRow(
                     item = item,
-                    onCancel = { viewModel.cancelDownload(it) }
+                    onCancel = { viewModel.cancelDownload(it) },
+                    modifier = Modifier.testTag("$DownloadsActiveItemTagPrefix${item.contentId}")
                 )
             }
             if (downloads.value.isNotEmpty()) {
@@ -101,7 +107,13 @@ fun DownloadsContent(
                 onMovieSelected = viewModel::onMovieSelected,
                 onSeriesSelected = viewModel::onSeriesSelected,
                 onEpisodeSelected = { _, _, _ -> },
+                modifier = Modifier.testTag("$DownloadsItemTagPrefix${item.id}")
             )
         }
     }
 }
+
+internal const val DownloadsEmptyStateTag = "downloads-empty-state"
+internal const val DownloadsGridTag = "downloads-grid"
+internal const val DownloadsActiveItemTagPrefix = "downloads-active-item-"
+internal const val DownloadsItemTagPrefix = "downloads-item-"
diff --git a/app/src/main/java/hu/bbara/purefin/ui/screen/episode/components/EpisodeComponents.kt b/app/src/main/java/hu/bbara/purefin/ui/screen/episode/components/EpisodeComponents.kt
index 09397648..7e2cf945 100644
--- a/app/src/main/java/hu/bbara/purefin/ui/screen/episode/components/EpisodeComponents.kt
+++ b/app/src/main/java/hu/bbara/purefin/ui/screen/episode/components/EpisodeComponents.kt
@@ -24,6 +24,7 @@ import androidx.compose.runtime.remember
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
 import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.platform.testTag
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
@@ -71,6 +72,7 @@ internal fun EpisodeTopBar(
                         ),
                         modifier = Modifier
                             .height(52.dp)
+                            .testTag(EpisodeSeriesButtonTag)
                             .clip(CircleShape)
                     ) {
                         Text(
@@ -123,7 +125,9 @@ internal fun EpisodeDetails(
             text = mediaPlayButtonText(episode.progress, episode.watched),
             progress = mediaPlaybackProgress(episode.progress),
             onClick = playAction,
-            modifier = Modifier.sizeIn(maxWidth = 200.dp)
+            modifier = Modifier
+                .sizeIn(maxWidth = 200.dp)
+                .testTag(EpisodePlayButtonTag)
         )
         VerticalDivider(
             color = MaterialTheme.colorScheme.secondary,
@@ -143,6 +147,7 @@ internal fun EpisodeDetails(
                     is DownloadState.Failed -> Icons.Outlined.Download
                 },
                 height = 48.dp,
+                modifier = Modifier.testTag(EpisodeDownloadButtonTag),
                 onClick = onDownloadClick
             )
         }
@@ -168,3 +173,7 @@ internal fun EpisodeDetails(
 //            )
     }
 }
+
+internal const val EpisodeSeriesButtonTag = "episode-series-button"
+internal const val EpisodePlayButtonTag = "episode-play-button"
+internal const val EpisodeDownloadButtonTag = "episode-download-button"
diff --git a/app/src/main/java/hu/bbara/purefin/ui/screen/home/components/HomeContent.kt b/app/src/main/java/hu/bbara/purefin/ui/screen/home/components/HomeContent.kt
index 3b9ea49b..b5743256 100644
--- a/app/src/main/java/hu/bbara/purefin/ui/screen/home/components/HomeContent.kt
+++ b/app/src/main/java/hu/bbara/purefin/ui/screen/home/components/HomeContent.kt
@@ -20,6 +20,7 @@ import androidx.compose.runtime.saveable.rememberSaveable
 import androidx.compose.runtime.setValue
 import androidx.compose.runtime.snapshotFlow
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.testTag
 import androidx.compose.ui.unit.dp
 import hu.bbara.purefin.core.model.LibraryUiModel
 import hu.bbara.purefin.core.model.MediaUiModel
@@ -80,7 +81,9 @@ fun HomeContent(
     PullToRefreshBox(
         isRefreshing = isRefreshing,
         onRefresh = onRefresh,
-        modifier = modifier.fillMaxSize()
+        modifier = modifier
+            .fillMaxSize()
+            .testTag(HomeContentTag)
     ) {
         Box(
             modifier = Modifier
@@ -89,7 +92,9 @@ fun HomeContent(
         ) {
             LazyColumn(
                 state = listState,
-                modifier = Modifier.fillMaxSize(),
+                modifier = Modifier
+                    .fillMaxSize()
+                    .testTag(HomeContentViewportTag),
                 contentPadding = PaddingValues(top = 16.dp, bottom = 24.dp),
                 verticalArrangement = Arrangement.spacedBy(24.dp)
             ) {
@@ -97,7 +102,8 @@ fun HomeContent(
                     item(key = "featured") {
                         SuggestionsSection(
                             items = suggestions,
-                            onItemOpen = { item -> onMediaSelected(item) }
+                            onItemOpen = { item -> onMediaSelected(item) },
+                            modifier = Modifier.testTag(HomeFeaturedSectionTag)
                         )
                     }
                 }
@@ -107,7 +113,8 @@ fun HomeContent(
                         ContinueWatchingSection(
                             items = continueWatching,
                             onMarkAsWatched = onMarkAsWatched,
-                            onMediaSelected = onMediaSelected
+                            onMediaSelected = onMediaSelected,
+                            modifier = Modifier.testTag(HomeContinueWatchingSectionTag)
                         )
                     }
                 }
@@ -116,7 +123,8 @@ fun HomeContent(
                     item(key = "next-up") {
                         NextUpSection(
                             items = nextUp,
-                            onMediaSelected = onMediaSelected
+                            onMediaSelected = onMediaSelected,
+                            modifier = Modifier.testTag(HomeNextUpSectionTag)
                         )
                     }
                 }
@@ -129,7 +137,8 @@ fun HomeContent(
                         library = library,
                         items = libraryContent[library.id].orEmpty(),
                         onLibrarySelected = onLibrarySelected,
-                        onMediaSelected = onMediaSelected
+                        onMediaSelected = onMediaSelected,
+                        modifier = Modifier.testTag("$HomeLibrarySectionTagPrefix${library.id}")
                     )
                 }
 
@@ -137,11 +146,20 @@ fun HomeContent(
                     item(key = "empty-state") {
                         HomeEmptyState(
                             onRefresh = onRefresh,
-                            onBrowseLibrariesClick = onBrowseLibrariesClick
+                            onBrowseLibrariesClick = onBrowseLibrariesClick,
+                            modifier = Modifier.testTag(HomeEmptyStateTag)
                         )
                     }
                 }
             }
         }
     }
-}
\ No newline at end of file
+}
+
+internal const val HomeContentTag = "home-content"
+internal const val HomeContentViewportTag = "home-content-viewport"
+internal const val HomeFeaturedSectionTag = "home-section-featured"
+internal const val HomeContinueWatchingSectionTag = "home-section-continue-watching"
+internal const val HomeNextUpSectionTag = "home-section-next-up"
+internal const val HomeLibrarySectionTagPrefix = "home-section-library-"
+internal const val HomeEmptyStateTag = "home-empty-state"
diff --git a/app/src/main/java/hu/bbara/purefin/ui/screen/home/components/continuewatching/ContinueWatchingSection.kt b/app/src/main/java/hu/bbara/purefin/ui/screen/home/components/continuewatching/ContinueWatchingSection.kt
index ea457671..e1114539 100644
--- a/app/src/main/java/hu/bbara/purefin/ui/screen/home/components/continuewatching/ContinueWatchingSection.kt
+++ b/app/src/main/java/hu/bbara/purefin/ui/screen/home/components/continuewatching/ContinueWatchingSection.kt
@@ -12,6 +12,7 @@ import androidx.compose.foundation.lazy.rememberLazyListState
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.testTag
 import androidx.compose.ui.unit.dp
 import hu.bbara.purefin.ui.common.header.SectionHeader
 import hu.bbara.purefin.ui.common.media.homeMediaSharedBoundsKey
@@ -41,7 +42,9 @@ fun ContinueWatchingSection(
         LazyRow(
             contentPadding = PaddingValues(horizontal = 16.dp),
             horizontalArrangement = Arrangement.spacedBy(16.dp),
-            modifier = Modifier.fillMaxWidth(),
+            modifier = Modifier
+                .fillMaxWidth()
+                .testTag(HomeContinueWatchingRowTag),
             state = listState
         ) {
             itemsIndexed(items = items, key = { _, item -> item.id }) { index, item ->
@@ -49,9 +52,13 @@ fun ContinueWatchingSection(
                     item = item,
                     sharedBoundsKey = homeMediaSharedBoundsKey("continue-$index", item.id),
                     onMediaSelected = onMediaSelected,
-                    onMarkAsWatched = onMarkAsWatched
+                    onMarkAsWatched = onMarkAsWatched,
+                    modifier = Modifier.testTag("$HomeContinueWatchingItemTagPrefix$index")
                 )
             }
         }
     }
 }
+
+internal const val HomeContinueWatchingRowTag = "home-continue-watching-row"
+internal const val HomeContinueWatchingItemTagPrefix = "home-continue-watching-item-"
diff --git a/app/src/main/java/hu/bbara/purefin/ui/screen/home/components/featured/SuggestionsSection.kt b/app/src/main/java/hu/bbara/purefin/ui/screen/home/components/featured/SuggestionsSection.kt
index f0489646..047d202d 100644
--- a/app/src/main/java/hu/bbara/purefin/ui/screen/home/components/featured/SuggestionsSection.kt
+++ b/app/src/main/java/hu/bbara/purefin/ui/screen/home/components/featured/SuggestionsSection.kt
@@ -21,6 +21,7 @@ import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
+import androidx.compose.ui.platform.testTag
 import androidx.compose.ui.unit.dp
 import hu.bbara.purefin.ui.common.media.homeMediaSharedBoundsKey
 import hu.bbara.purefin.core.model.MediaUiModel
@@ -48,13 +49,16 @@ fun SuggestionsSection(
             pageSize = PageSize.Fixed(320.dp),
             contentPadding = PaddingValues(horizontal = 16.dp),
             pageSpacing = 16.dp,
-            modifier = Modifier.fillMaxWidth()
+            modifier = Modifier
+                .fillMaxWidth()
+                .testTag(HomeFeaturedPagerTag)
         ) { page ->
             val item = items[page]
             SuggestionCard(
                 item = item,
                 sharedBoundsKey = homeMediaSharedBoundsKey("suggestion-$page", item.id),
-                onClick = { onItemOpen(item) }
+                onClick = { onItemOpen(item) },
+                modifier = Modifier.testTag("$HomeFeaturedItemTagPrefix$page")
             )
         }
         if (items.size > 1) {
@@ -86,3 +90,6 @@ fun SuggestionsSection(
         }
     }
 }
+
+internal const val HomeFeaturedPagerTag = "home-featured-pager"
+internal const val HomeFeaturedItemTagPrefix = "home-featured-item-"
diff --git a/app/src/main/java/hu/bbara/purefin/ui/screen/home/components/library/LibraryPosterSection.kt b/app/src/main/java/hu/bbara/purefin/ui/screen/home/components/library/LibraryPosterSection.kt
index 7d181ead..e58b32e2 100644
--- a/app/src/main/java/hu/bbara/purefin/ui/screen/home/components/library/LibraryPosterSection.kt
+++ b/app/src/main/java/hu/bbara/purefin/ui/screen/home/components/library/LibraryPosterSection.kt
@@ -12,6 +12,7 @@ import androidx.compose.foundation.lazy.rememberLazyListState
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.testTag
 import androidx.compose.ui.unit.dp
 import hu.bbara.purefin.ui.common.header.SectionHeader
 import hu.bbara.purefin.ui.common.media.homeMediaSharedBoundsKey
@@ -47,7 +48,9 @@ fun LibraryPosterSection(
         LazyRow(
             contentPadding = PaddingValues(horizontal = 16.dp),
             horizontalArrangement = Arrangement.spacedBy(14.dp),
-            modifier = Modifier.fillMaxWidth(),
+            modifier = Modifier
+                .fillMaxWidth()
+                .testTag("$HomeLibraryRowTagPrefix${library.id}"),
             state = listState
         ) {
             itemsIndexed(items = items, key = { _, item -> item.id }) { index, item ->
@@ -57,9 +60,13 @@ fun LibraryPosterSection(
                         origin = "library-${library.id}-$index",
                         mediaId = item.id
                     ),
-                    onMediaSelected = onMediaSelected
+                    onMediaSelected = onMediaSelected,
+                    modifier = Modifier.testTag("$HomeLibraryItemTagPrefix${library.id}-$index")
                 )
             }
         }
     }
 }
+
+internal const val HomeLibraryRowTagPrefix = "home-library-row-"
+internal const val HomeLibraryItemTagPrefix = "home-library-item-"
diff --git a/app/src/main/java/hu/bbara/purefin/ui/screen/home/components/nextup/NextUpSection.kt b/app/src/main/java/hu/bbara/purefin/ui/screen/home/components/nextup/NextUpSection.kt
index 2f3ea813..2117b6b7 100644
--- a/app/src/main/java/hu/bbara/purefin/ui/screen/home/components/nextup/NextUpSection.kt
+++ b/app/src/main/java/hu/bbara/purefin/ui/screen/home/components/nextup/NextUpSection.kt
@@ -12,6 +12,7 @@ import androidx.compose.foundation.lazy.rememberLazyListState
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.testTag
 import androidx.compose.ui.unit.dp
 import hu.bbara.purefin.ui.common.header.SectionHeader
 import hu.bbara.purefin.ui.common.media.homeMediaSharedBoundsKey
@@ -40,16 +41,22 @@ fun NextUpSection(
         LazyRow(
             contentPadding = PaddingValues(horizontal = 16.dp),
             horizontalArrangement = Arrangement.spacedBy(14.dp),
-            modifier = Modifier.fillMaxWidth(),
+            modifier = Modifier
+                .fillMaxWidth()
+                .testTag(HomeNextUpRowTag),
             state = listState
         ) {
             itemsIndexed(items = items, key = { _, item -> item.id }) { index, item ->
                 NextUpCard(
                     uiModel = item,
                     sharedBoundsKey = homeMediaSharedBoundsKey("next-up-$index", item.id),
-                    onMediaSelected = onMediaSelected
+                    onMediaSelected = onMediaSelected,
+                    modifier = Modifier.testTag("$HomeNextUpItemTagPrefix$index")
                 )
             }
         }
     }
 }
+
+internal const val HomeNextUpRowTag = "home-next-up-row"
+internal const val HomeNextUpItemTagPrefix = "home-next-up-item-"
diff --git a/app/src/main/java/hu/bbara/purefin/ui/screen/home/components/search/SearchScreen.kt b/app/src/main/java/hu/bbara/purefin/ui/screen/home/components/search/SearchScreen.kt
index d6ef8b53..4076953c 100644
--- a/app/src/main/java/hu/bbara/purefin/ui/screen/home/components/search/SearchScreen.kt
+++ b/app/src/main/java/hu/bbara/purefin/ui/screen/home/components/search/SearchScreen.kt
@@ -47,6 +47,7 @@ import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.platform.LocalSoftwareKeyboardController
+import androidx.compose.ui.platform.testTag
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.text.input.ImeAction
 import androidx.compose.ui.text.style.TextOverflow
@@ -147,6 +148,7 @@ private fun SearchScreenContent(
         ) },
         modifier = modifier
             .fillMaxSize()
+            .testTag(SearchScreenTag)
             .background(scheme.background)
     ) { innerPadding ->
         Column(
@@ -261,7 +263,10 @@ private fun SearchField(
         },
         trailingIcon = {
             if (query.isNotBlank()) {
-                IconButton(onClick = { onQueryChange("") }) {
+                IconButton(
+                    onClick = { onQueryChange("") },
+                    modifier = Modifier.testTag(SearchClearButtonTag)
+                ) {
                     Icon(
                         imageVector = Icons.Outlined.Close,
                         contentDescription = "Clear search",
@@ -286,6 +291,7 @@ private fun SearchField(
         ),
         modifier = modifier
             .fillMaxWidth()
+            .testTag(SearchQueryFieldTag)
             .height(68.dp)
     )
 }
@@ -298,18 +304,23 @@ private fun SearchResultsGrid(
 ) {
     Column(
         verticalArrangement = Arrangement.spacedBy(16.dp),
-        modifier = modifier.fillMaxWidth()
+        modifier = modifier
+            .fillMaxWidth()
+            .testTag(SearchResultsGridTag)
     ) {
-        results.chunked(2).forEach { rowItems ->
+        results.chunked(2).forEachIndexed { rowIndex, rowItems ->
             Row(
                 horizontalArrangement = Arrangement.spacedBy(16.dp),
                 modifier = Modifier.fillMaxWidth()
             ) {
-                rowItems.forEach { item ->
+                rowItems.forEachIndexed { columnIndex, item ->
+                    val itemIndex = rowIndex * 2 + columnIndex
                     SearchResultCard(
                         item = item,
                         onClick = { onResultClick(item) },
-                        modifier = Modifier.weight(1f)
+                        modifier = Modifier
+                            .weight(1f)
+                            .testTag("$SearchResultItemTagPrefix$itemIndex")
                     )
                 }
                 if (rowItems.size == 1) {
@@ -367,6 +378,7 @@ private fun GenreSelector(
         FilterChip(
             selected = false,
             onClick = { showGenres = true },
+            modifier = Modifier.testTag(SearchGenreSelectorTag),
             leadingIcon = {
                 Icon(
                     imageVector = Icons.Outlined.Tune,
@@ -388,11 +400,12 @@ private fun GenreSelector(
                 )
             }
         )
-        visibleGenres.forEach { genre ->
+        visibleGenres.forEachIndexed { index, genre ->
             GenreChip(
                 genre = genre,
                 selected = genre.name in selectedGenreNames,
-                onClick = { onGenreSelected(genre) }
+                onClick = { onGenreSelected(genre) },
+                modifier = Modifier.testTag("$SearchGenreChipTagPrefix$index")
             )
         }
     }
@@ -400,6 +413,7 @@ private fun GenreSelector(
     if (showGenres) {
         AlertDialog(
             onDismissRequest = { showGenres = false },
+            modifier = Modifier.testTag(SearchGenreDialogTag),
             title = {
                 Text(text = "Select genres")
             },
@@ -412,11 +426,12 @@ private fun GenreSelector(
                         .heightIn(max = 360.dp)
                         .verticalScroll(rememberScrollState())
                 ) {
-                    genres.forEach { genre ->
+                    genres.forEachIndexed { index, genre ->
                         GenreChip(
                             genre = genre,
                             selected = genre.name in selectedGenreNames,
-                            onClick = { onGenreSelected(genre) }
+                            onClick = { onGenreSelected(genre) },
+                            modifier = Modifier.testTag("$SearchGenreDialogChipTagPrefix$index")
                         )
                     }
                 }
@@ -514,3 +529,13 @@ private val previewSearchResults = listOf(
         type = MediaKind.MOVIE
     )
 )
+
+internal const val SearchScreenTag = "search-screen"
+internal const val SearchQueryFieldTag = "search-query-field"
+internal const val SearchClearButtonTag = "search-clear-button"
+internal const val SearchResultsGridTag = "search-results-grid"
+internal const val SearchResultItemTagPrefix = "search-result-item-"
+internal const val SearchGenreSelectorTag = "search-genre-selector"
+internal const val SearchGenreChipTagPrefix = "search-genre-chip-"
+internal const val SearchGenreDialogTag = "search-genre-dialog"
+internal const val SearchGenreDialogChipTagPrefix = "search-genre-dialog-chip-"
diff --git a/app/src/main/java/hu/bbara/purefin/ui/screen/libraries/components/LibrariesContent.kt b/app/src/main/java/hu/bbara/purefin/ui/screen/libraries/components/LibrariesContent.kt
index 4caa5e36..2f8b8cbc 100644
--- a/app/src/main/java/hu/bbara/purefin/ui/screen/libraries/components/LibrariesContent.kt
+++ b/app/src/main/java/hu/bbara/purefin/ui/screen/libraries/components/LibrariesContent.kt
@@ -8,6 +8,7 @@ import androidx.compose.foundation.lazy.grid.LazyVerticalGrid
 import androidx.compose.foundation.lazy.grid.items
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.testTag
 import androidx.compose.ui.unit.dp
 import hu.bbara.purefin.core.model.LibraryUiModel
 
@@ -17,7 +18,7 @@ fun LibrariesContent(
     onLibrarySelected: (LibraryUiModel) -> Unit,
     modifier: Modifier = Modifier,
 ) {
-    BoxWithConstraints(modifier = modifier) {
+    BoxWithConstraints(modifier = modifier.testTag(LibrariesOverviewGridTag)) {
         val minCellSize = if (maxWidth >= 600.dp) 220.dp else 160.dp
 
         LazyVerticalGrid(
@@ -29,9 +30,13 @@ fun LibrariesContent(
             items(items, key = { it.id }) { item ->
                 LibraryListItem(
                     uiModel = item,
-                    onClick = { onLibrarySelected(item) }
+                    onClick = { onLibrarySelected(item) },
+                    modifier = Modifier.testTag("$LibrariesOverviewItemTagPrefix${item.id}")
                 )
             }
         }
     }
 }
+
+internal const val LibrariesOverviewGridTag = "libraries-overview-grid"
+internal const val LibrariesOverviewItemTagPrefix = "libraries-overview-item-"
diff --git a/app/src/main/java/hu/bbara/purefin/ui/screen/library/LibraryScreen.kt b/app/src/main/java/hu/bbara/purefin/ui/screen/library/LibraryScreen.kt
index 909bd030..27b443c7 100644
--- a/app/src/main/java/hu/bbara/purefin/ui/screen/library/LibraryScreen.kt
+++ b/app/src/main/java/hu/bbara/purefin/ui/screen/library/LibraryScreen.kt
@@ -17,6 +17,7 @@ import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.collectAsState
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.testTag
 import androidx.compose.ui.unit.dp
 import androidx.hilt.navigation.compose.hiltViewModel
 import hu.bbara.purefin.core.feature.browse.library.LibraryViewModel
@@ -42,7 +43,7 @@ fun LibraryScreen(
     val libraryItems = viewModel.contents.collectAsState()
 
     Scaffold(
-        modifier = modifier,
+        modifier = modifier.testTag(LibraryScreenTag),
         containerColor = MaterialTheme.colorScheme.background,
         contentColor = MaterialTheme.colorScheme.onBackground,
         topBar = {
@@ -68,7 +69,11 @@ internal fun LibraryPosterGrid(
     modifier: Modifier = Modifier,
     viewModel: LibraryViewModel = hiltViewModel()
 ) {
-    BoxWithConstraints(modifier = modifier.background(MaterialTheme.colorScheme.background)) {
+    BoxWithConstraints(
+        modifier = modifier
+            .testTag(LibraryPosterGridTag)
+            .background(MaterialTheme.colorScheme.background)
+    ) {
         val minCellSize = if (maxWidth >= 600.dp) 220.dp else 120.dp
 
         LazyVerticalGrid(
@@ -88,7 +93,8 @@ internal fun LibraryPosterGrid(
                             is SeriesUiModel -> viewModel.onSeriesSelected(item.id)
                             is EpisodeUiModel -> Unit
                         }
-                    }
+                    },
+                    modifier = Modifier.testTag("$LibraryPosterItemTagPrefix${item.id}")
                 ) {
                     when (item) {
                         is MovieUiModel, is EpisodeUiModel -> {
@@ -107,3 +113,7 @@ internal fun LibraryPosterGrid(
         }
     }
 }
+
+internal const val LibraryScreenTag = "library-screen"
+internal const val LibraryPosterGridTag = "library-poster-grid"
+internal const val LibraryPosterItemTagPrefix = "library-poster-item-"
diff --git a/app/src/main/java/hu/bbara/purefin/ui/screen/login/LoginContent.kt b/app/src/main/java/hu/bbara/purefin/ui/screen/login/LoginContent.kt
index 40171fbd..c2f90e1c 100644
--- a/app/src/main/java/hu/bbara/purefin/ui/screen/login/LoginContent.kt
+++ b/app/src/main/java/hu/bbara/purefin/ui/screen/login/LoginContent.kt
@@ -22,6 +22,7 @@ import androidx.compose.material3.TextButton
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.testTag
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.unit.dp
@@ -47,6 +48,7 @@ fun LoginContent(
     Column(
         modifier = modifier
             .fillMaxSize()
+            .testTag(LoginContentTag)
             .background(scheme.background)
             .verticalScroll(rememberScrollState())
             .padding(horizontal = 24.dp, vertical = 20.dp),
@@ -84,6 +86,7 @@ fun LoginContent(
                     style = MaterialTheme.typography.bodySmall,
                     modifier = Modifier
                         .fillMaxWidth()
+                        .testTag(LoginErrorMessageTag)
                         .background(
                             scheme.errorContainer,
                             RoundedCornerShape(12.dp)
@@ -121,13 +124,15 @@ private fun ServerSearchContent(
         modifier = Modifier.padding(top = 2.dp, bottom = 16.dp).fillMaxWidth()
     )
 
-    PurefinComplexTextField(
-        label = "Server URL",
-        value = state.serverUrl,
-        onValueChange = callbacks.onServerUrlChange,
-        placeholder = "http://192.168.1.100:8096",
-        leadingIcon = Icons.Default.Storage
-    )
+    Column(modifier = Modifier.testTag(LoginServerUrlFieldTag)) {
+        PurefinComplexTextField(
+            label = "Server URL",
+            value = state.serverUrl,
+            onValueChange = callbacks.onServerUrlChange,
+            placeholder = "http://192.168.1.100:8096",
+            leadingIcon = Icons.Default.Storage
+        )
+    }
 
     Spacer(modifier = Modifier.height(16.dp))
 
@@ -137,6 +142,7 @@ private fun ServerSearchContent(
         enabled = !state.isSearching,
         modifier = Modifier
             .fillMaxWidth()
+            .testTag(LoginFindServerButtonTag)
             .height(48.dp)
     )
 
@@ -149,10 +155,12 @@ private fun ServerSearchContent(
             modifier = Modifier.fillMaxWidth()
         )
         Spacer(modifier = Modifier.height(8.dp))
-        state.discoveredServers.forEach { server ->
+        state.discoveredServers.forEachIndexed { index, server ->
             TextButton(
                 onClick = { callbacks.onDiscoveredServerClick(server) },
-                modifier = Modifier.fillMaxWidth()
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .testTag("$LoginDiscoveredServerTagPrefix$index")
             ) {
                 Text(
                     text = server.name?.let { "$it\n${server.address}" } ?: server.address,
@@ -186,7 +194,9 @@ private fun LoginPhaseContent(
     )
     TextButton(
         onClick = callbacks.onChangeServer,
-        modifier = Modifier.fillMaxWidth()
+        modifier = Modifier
+            .fillMaxWidth()
+            .testTag(LoginChangeServerButtonTag)
     ) {
         Text("Change server")
     }
@@ -199,7 +209,9 @@ private fun LoginPhaseContent(
                 color = scheme.primary,
                 style = MaterialTheme.typography.headlineMedium.copy(fontWeight = FontWeight.Bold),
                 textAlign = TextAlign.Center,
-                modifier = Modifier.fillMaxWidth()
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .testTag(LoginQuickConnectCodeTag)
             )
             Text(
                 text = "Approve this code in another Jellyfin client.",
@@ -209,14 +221,20 @@ private fun LoginPhaseContent(
                 modifier = Modifier.fillMaxWidth().padding(top = 4.dp)
             )
             Spacer(modifier = Modifier.height(10.dp))
-            TextButton(onClick = callbacks.onCancelQuickConnect) {
+            TextButton(
+                onClick = callbacks.onCancelQuickConnect,
+                modifier = Modifier.testTag(LoginQuickConnectCancelButtonTag)
+            ) {
                 Text("Cancel Quick Connect")
             }
         } ?: PurefinTextButton(
             content = { Text("Quick Connect") },
             onClick = callbacks.onQuickConnect,
             enabled = !state.isQuickConnecting,
-            modifier = Modifier.fillMaxWidth().height(48.dp)
+            modifier = Modifier
+                .fillMaxWidth()
+                .testTag(LoginQuickConnectButtonTag)
+                .height(48.dp)
         )
     } else {
         Text(
@@ -238,23 +256,27 @@ private fun LoginPhaseContent(
 
     Spacer(modifier = Modifier.height(12.dp))
 
-    PurefinComplexTextField(
-        label = "Username",
-        value = state.username,
-        onValueChange = callbacks.onUsernameChange,
-        placeholder = "Enter your username",
-        leadingIcon = Icons.Default.Person
-    )
+    Column(modifier = Modifier.testTag(LoginUsernameFieldTag)) {
+        PurefinComplexTextField(
+            label = "Username",
+            value = state.username,
+            onValueChange = callbacks.onUsernameChange,
+            placeholder = "Enter your username",
+            leadingIcon = Icons.Default.Person
+        )
+    }
 
     Spacer(modifier = Modifier.height(12.dp))
 
-    PurefinPasswordField(
-        label = "Password",
-        value = state.password,
-        onValueChange = callbacks.onPasswordChange,
-        placeholder = "Enter your password",
-        leadingIcon = Icons.Default.Lock,
-    )
+    Column(modifier = Modifier.testTag(LoginPasswordFieldTag)) {
+        PurefinPasswordField(
+            label = "Password",
+            value = state.password,
+            onValueChange = callbacks.onPasswordChange,
+            placeholder = "Enter your password",
+            leadingIcon = Icons.Default.Lock,
+        )
+    }
 
     Spacer(modifier = Modifier.height(24.dp))
 
@@ -264,6 +286,20 @@ private fun LoginPhaseContent(
         enabled = !state.isQuickConnecting,
         modifier = Modifier
             .fillMaxWidth()
+            .testTag(LoginConnectButtonTag)
             .height(48.dp)
     )
 }
+
+internal const val LoginContentTag = "login-content"
+internal const val LoginFindServerButtonTag = "login-find-server-button"
+internal const val LoginServerUrlFieldTag = "login-server-url-field"
+internal const val LoginDiscoveredServerTagPrefix = "login-discovered-server-"
+internal const val LoginChangeServerButtonTag = "login-change-server-button"
+internal const val LoginUsernameFieldTag = "login-username-field"
+internal const val LoginPasswordFieldTag = "login-password-field"
+internal const val LoginQuickConnectButtonTag = "login-quick-connect-button"
+internal const val LoginQuickConnectCodeTag = "login-quick-connect-code"
+internal const val LoginQuickConnectCancelButtonTag = "login-quick-connect-cancel-button"
+internal const val LoginConnectButtonTag = "login-connect-button"
+internal const val LoginErrorMessageTag = "login-error-message"
diff --git a/app/src/main/java/hu/bbara/purefin/ui/screen/movie/components/MovieComponents.kt b/app/src/main/java/hu/bbara/purefin/ui/screen/movie/components/MovieComponents.kt
index a1451d6c..15d05c4d 100644
--- a/app/src/main/java/hu/bbara/purefin/ui/screen/movie/components/MovieComponents.kt
+++ b/app/src/main/java/hu/bbara/purefin/ui/screen/movie/components/MovieComponents.kt
@@ -21,6 +21,7 @@ import androidx.compose.runtime.Composable
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.platform.testTag
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.sp
@@ -85,7 +86,9 @@ internal fun MovieDetails(
             text = mediaPlayButtonText(movie.progress, movie.watched),
             progress = mediaPlaybackProgress(movie.progress),
             onClick = playAction,
-            modifier = Modifier.sizeIn(maxWidth = 200.dp)
+            modifier = Modifier
+                .sizeIn(maxWidth = 200.dp)
+                .testTag(MoviePlayButtonTag)
         )
         VerticalDivider(
             color = MaterialTheme.colorScheme.secondary,
@@ -105,6 +108,7 @@ internal fun MovieDetails(
                     is DownloadState.Failed -> Icons.Outlined.Download
                 },
                 height = 48.dp,
+                modifier = Modifier.testTag(MovieDownloadButtonTag),
                 onClick = onDownloadClick
             )
         }
@@ -130,3 +134,6 @@ internal fun MovieDetails(
 //            )
     }
 }
+
+internal const val MoviePlayButtonTag = "movie-play-button"
+internal const val MovieDownloadButtonTag = "movie-download-button"
diff --git a/app/src/main/java/hu/bbara/purefin/ui/screen/player/components/PlayerControlsOverlay.kt b/app/src/main/java/hu/bbara/purefin/ui/screen/player/components/PlayerControlsOverlay.kt
index 83967f15..927f5f08 100644
--- a/app/src/main/java/hu/bbara/purefin/ui/screen/player/components/PlayerControlsOverlay.kt
+++ b/app/src/main/java/hu/bbara/purefin/ui/screen/player/components/PlayerControlsOverlay.kt
@@ -40,6 +40,7 @@ import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Brush
 import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.testTag
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.unit.dp
 import hu.bbara.purefin.core.player.model.PlayerUiState
@@ -70,6 +71,7 @@ fun PlayerControlsOverlay(
     Box(
         modifier = modifier
             .fillMaxSize()
+            .testTag(PlayerControlsOverlayTag)
             .background(
                 Brush.verticalGradient(
                     listOf(
@@ -149,6 +151,7 @@ private fun TopBar(
             GhostIconButton(
                 icon = Icons.Outlined.PlaylistPlay,
                 contentDescription = "Queue",
+                modifier = Modifier.testTag(PlayerQueueButtonTag),
                 onClick = onOpenQueue
             )
             GhostIconButton(icon = Icons.Outlined.Cast, contentDescription = "Cast", onClick = onCast)
@@ -192,7 +195,8 @@ private fun BottomSection(
             adMarkers = uiState.ads,
             onSeek = onScrub,
             onScrubStarted = onScrubStart,
-            onScrubFinished = onScrubFinished
+            onScrubFinished = onScrubFinished,
+            modifier = Modifier.testTag(PlayerSeekBarTag)
         )
         Spacer(modifier = Modifier.height(8.dp))
         Box(
@@ -209,30 +213,35 @@ private fun BottomSection(
                     icon = Icons.Outlined.SkipPrevious,
                     contentDescription = "Previous",
                     onClick = onPrevious,
+                    modifier = Modifier.testTag(PlayerPreviousButtonTag),
                     size = 64
                 )
                 PurefinIconButton(
                     icon = Icons.Outlined.Replay10,
                     contentDescription = "Seek backward",
                     onClick = onSeekBackward,
+                    modifier = Modifier.testTag(PlayerSeekBackwardButtonTag),
                     size = 64
                 )
                 PurefinIconButton(
                     icon = if (uiState.isPlaying) Icons.Outlined.Pause else Icons.Outlined.PlayArrow,
                     contentDescription = "Play/Pause",
                     onClick = onPlayPause,
+                    modifier = Modifier.testTag(PlayerPlayPauseButtonTag),
                     size = 64
                 )
                 PurefinIconButton(
                     icon = Icons.Outlined.Forward30,
                     contentDescription = "Seek forward",
                     onClick = onSeekForward,
+                    modifier = Modifier.testTag(PlayerSeekForwardButtonTag),
                     size = 64
                 )
                 PurefinIconButton(
                     icon = Icons.Outlined.SkipNext,
                     contentDescription = "Next",
                     onClick = onNext,
+                    modifier = Modifier.testTag(PlayerNextButtonTag),
                     size = 64
                 )
             }
@@ -263,7 +272,9 @@ private fun BottomSection(
             if (uiState.activeSkippableSegmentEndMs != null) {
                 SkipSegmentButton(
                     onClick = onSkipSegment,
-                    modifier = Modifier.align(Alignment.CenterEnd)
+                    modifier = Modifier
+                        .align(Alignment.CenterEnd)
+                        .testTag(PlayerSkipSegmentButtonTag)
                 )
             }
         }
@@ -271,6 +282,16 @@ private fun BottomSection(
     }
 }
 
+internal const val PlayerControlsOverlayTag = "player-controls-overlay"
+internal const val PlayerQueueButtonTag = "player_queue_button"
+internal const val PlayerSeekBarTag = "player_seek_bar"
+internal const val PlayerPreviousButtonTag = "player_previous_button"
+internal const val PlayerSeekBackwardButtonTag = "player_seek_backward_button"
+internal const val PlayerPlayPauseButtonTag = "player_play_pause_button"
+internal const val PlayerSeekForwardButtonTag = "player_seek_forward_button"
+internal const val PlayerNextButtonTag = "player_next_button"
+internal const val PlayerSkipSegmentButtonTag = "player_skip_segment_button"
+
 @Composable
 fun SkipSegmentButton(
     onClick: () -> Unit,
diff --git a/app/src/main/java/hu/bbara/purefin/ui/screen/player/components/PlayerQueuePanel.kt b/app/src/main/java/hu/bbara/purefin/ui/screen/player/components/PlayerQueuePanel.kt
index 85b51711..6a21ff9d 100644
--- a/app/src/main/java/hu/bbara/purefin/ui/screen/player/components/PlayerQueuePanel.kt
+++ b/app/src/main/java/hu/bbara/purefin/ui/screen/player/components/PlayerQueuePanel.kt
@@ -26,6 +26,7 @@ import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
+import androidx.compose.ui.platform.testTag
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
@@ -40,7 +41,12 @@ fun PlayerQueuePanel(
     modifier: Modifier = Modifier
 ) {
     val scheme = MaterialTheme.colorScheme
-    Box(modifier = modifier.fillMaxWidth(), contentAlignment = Alignment.CenterEnd) {
+    Box(
+        modifier = modifier
+            .fillMaxWidth()
+            .testTag(PlayerPlaylistPanelTag),
+        contentAlignment = Alignment.CenterEnd
+    ) {
         Surface(
             modifier = Modifier
                 .fillMaxHeight()
@@ -78,13 +84,23 @@ fun PlayerQueuePanel(
                     enter = fadeIn(),
                     exit = fadeOut()
                 ) {
-                    LazyColumn(verticalArrangement = Arrangement.spacedBy(10.dp)) {
+                    LazyColumn(
+                        verticalArrangement = Arrangement.spacedBy(10.dp),
+                        modifier = Modifier.testTag(PlayerPlaylistRowTag)
+                    ) {
                         items(uiState.queue, key = { item -> item.id }) { item ->
                             QueueRow(
                                 title = item.title,
                                 artworkUrl = item.artworkUrl,
                                 isCurrent = item.isCurrent,
-                                onClick = { onSelect(item.id) }
+                                onClick = { onSelect(item.id) },
+                                modifier = Modifier.testTag(
+                                    if (item.isCurrent) {
+                                        PlayerPlaylistCurrentItemTag
+                                    } else {
+                                        "${PlayerPlaylistItemTagPrefix}${item.id}"
+                                    }
+                                )
                             )
                         }
                     }
@@ -106,11 +122,12 @@ private fun QueueRow(
     subtitle: String? = null,
     artworkUrl: String?,
     isCurrent: Boolean,
-    onClick: () -> Unit
+    onClick: () -> Unit,
+    modifier: Modifier = Modifier
 ) {
     val scheme = MaterialTheme.colorScheme
     Row(
-        modifier = Modifier
+        modifier = modifier
             .fillMaxWidth()
             .clip(RoundedCornerShape(12.dp))
             .background(
@@ -160,3 +177,8 @@ private fun QueueRow(
         }
     }
 }
+
+internal const val PlayerPlaylistPanelTag = "player_playlist_panel"
+internal const val PlayerPlaylistRowTag = "player_playlist_row"
+internal const val PlayerPlaylistCurrentItemTag = "player_playlist_current_item"
+internal const val PlayerPlaylistItemTagPrefix = "player_playlist_item_"
diff --git a/app/src/main/java/hu/bbara/purefin/ui/screen/player/components/TrackSelectionButtons.kt b/app/src/main/java/hu/bbara/purefin/ui/screen/player/components/TrackSelectionButtons.kt
index 0da40b24..f43d407c 100644
--- a/app/src/main/java/hu/bbara/purefin/ui/screen/player/components/TrackSelectionButtons.kt
+++ b/app/src/main/java/hu/bbara/purefin/ui/screen/player/components/TrackSelectionButtons.kt
@@ -32,6 +32,7 @@ import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
+import androidx.compose.ui.platform.testTag
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
@@ -63,7 +64,7 @@ fun QualitySelectionButton(
                 )
             }
         },
-        modifier = modifier
+        modifier = modifier.testTag(PlayerQualityButtonTag)
     )
 }
 
@@ -92,7 +93,7 @@ fun AudioSelectionButton(
                 )
             }
         },
-        modifier = modifier
+        modifier = modifier.testTag(PlayerAudioButtonTag)
     )
 }
 
@@ -121,7 +122,7 @@ fun SubtitlesSelectionButton(
                 )
             }
         },
-        modifier = modifier
+        modifier = modifier.testTag(PlayerSubtitlesButtonTag)
     )
 }
 
@@ -139,6 +140,7 @@ private fun TrackSelectionPanel(
     Box(
         modifier = modifier
             .fillMaxWidth()
+            .testTag(PlayerTrackPanelTag)
             .fillMaxHeight()
             .windowInsetsPadding(WindowInsets.safeDrawing)
             .navigationBarsPadding()
@@ -199,12 +201,20 @@ private fun TrackSelectionPanel(
                         .heightIn(max = 292.dp)
                         .verticalScroll(rememberScrollState())
                 ) {
-                    options.forEach { option ->
+                    options.forEachIndexed { index, option ->
                         val selected = option.id == selectedId
                         TrackOptionItem(
                             label = option.label,
                             selected = selected,
-                            onClick = { onSelect(option) }
+                            onClick = { onSelect(option) },
+                            modifier = Modifier.testTag(
+                                when {
+                                    selected -> PlayerTrackSelectedItemTag
+                                    index == 0 -> PlayerTrackFirstItemTag
+                                    index == options.lastIndex -> PlayerTrackLastItemTag
+                                    else -> "$PlayerTrackItemTagPrefix$index"
+                                }
+                            )
                         )
                     }
                 }
@@ -213,6 +223,15 @@ private fun TrackSelectionPanel(
     }
 }
 
+internal const val PlayerQualityButtonTag = "player_quality_button"
+internal const val PlayerAudioButtonTag = "player_audio_button"
+internal const val PlayerSubtitlesButtonTag = "player_subtitles_button"
+internal const val PlayerTrackPanelTag = "player_track_panel"
+internal const val PlayerTrackSelectedItemTag = "player_track_selected_item"
+internal const val PlayerTrackFirstItemTag = "player_track_first_item"
+internal const val PlayerTrackLastItemTag = "player_track_last_item"
+internal const val PlayerTrackItemTagPrefix = "player_track_item_"
+
 @Composable
 private fun TrackOptionItem(
     label: String,
diff --git a/app/src/main/java/hu/bbara/purefin/ui/screen/series/components/SeriesComponents.kt b/app/src/main/java/hu/bbara/purefin/ui/screen/series/components/SeriesComponents.kt
index f53a96a1..6e26e4c1 100644
--- a/app/src/main/java/hu/bbara/purefin/ui/screen/series/components/SeriesComponents.kt
+++ b/app/src/main/java/hu/bbara/purefin/ui/screen/series/components/SeriesComponents.kt
@@ -50,6 +50,7 @@ import androidx.compose.ui.draw.clip
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.layout.ContentScale
 import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.platform.testTag
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
@@ -146,14 +147,17 @@ internal fun SeriesActionButtons(
             text = mediaPlayButtonText(nextUpEpisode?.progress, nextUpEpisode?.watched),
             progress = mediaPlaybackProgress(nextUpEpisode?.progress),
             onClick = playAction ?: {},
-            modifier = Modifier.sizeIn(maxWidth = 200.dp)
+            modifier = Modifier
+                .sizeIn(maxWidth = 200.dp)
+                .testTag(SeriesPlayButtonTag)
         )
         Spacer(modifier = Modifier.width(12.dp))
         MediaActionButton(
             backgroundColor = MaterialTheme.colorScheme.surface,
             iconColor = MaterialTheme.colorScheme.onSurface,
             icon = Icons.Outlined.Add,
-            height = 48.dp
+            height = 48.dp,
+            modifier = Modifier.testTag(SeriesAddButtonTag)
         )
         Spacer(modifier = Modifier.width(12.dp))
         MediaActionButton(
@@ -165,6 +169,7 @@ internal fun SeriesActionButtons(
                 else -> Icons.Outlined.Download
             },
             height = 48.dp,
+            modifier = Modifier.testTag(SeriesDownloadButtonTag),
             onClick = { showDownloadDialog = true }
         )
     }
@@ -200,6 +205,7 @@ private fun DownloadOptionsDialog(
 ) {
     AlertDialog(
         onDismissRequest = onDismiss,
+        modifier = Modifier.testTag(SeriesDownloadDialogTag),
         title = { Text("Download") },
         text = {
             Column(verticalArrangement = Arrangement.spacedBy(4.dp)) {
@@ -211,7 +217,10 @@ private fun DownloadOptionsDialog(
         },
         confirmButton = {
             Row(horizontalArrangement = Arrangement.spacedBy(8.dp)) {
-                TextButton(onClick = { onDownloadOptionSelected(SeriesDownloadOption.SEASON) }) {
+                TextButton(
+                    onClick = { onDownloadOptionSelected(SeriesDownloadOption.SEASON) },
+                    modifier = Modifier.testTag(SeriesDownloadSeasonButtonTag)
+                ) {
                     Text(
                         when (seasonDownloadState) {
                             is DownloadState.Downloaded -> "$selectedSeasonName Downloaded"
@@ -220,7 +229,10 @@ private fun DownloadOptionsDialog(
                         }
                     )
                 }
-                TextButton(onClick = { onDownloadOptionSelected(SeriesDownloadOption.SERIES) }) {
+                TextButton(
+                    onClick = { onDownloadOptionSelected(SeriesDownloadOption.SERIES) },
+                    modifier = Modifier.testTag(SeriesDownloadAllButtonTag)
+                ) {
                     Text("Download All")
                 }
             }
@@ -229,6 +241,7 @@ private fun DownloadOptionsDialog(
             if (isSmartDownloadEnabled) {
                 TextButton(
                     onClick = { onDownloadOptionSelected(SeriesDownloadOption.DELETE_SMART) },
+                    modifier = Modifier.testTag(SeriesSmartDownloadButtonTag),
                     colors = ButtonDefaults.textButtonColors(
                         contentColor = MaterialTheme.colorScheme.error
                     )
@@ -236,7 +249,10 @@ private fun DownloadOptionsDialog(
                     Text("Delete Smart Downloads")
                 }
             } else {
-                TextButton(onClick = { onDownloadOptionSelected(SeriesDownloadOption.SMART) }) {
+                TextButton(
+                    onClick = { onDownloadOptionSelected(SeriesDownloadOption.SMART) },
+                    modifier = Modifier.testTag(SeriesSmartDownloadButtonTag)
+                ) {
                     Text("Smart Download")
                 }
             }
@@ -258,11 +274,13 @@ internal fun SeasonTabs(
         horizontalArrangement = Arrangement.spacedBy(20.dp),
         verticalAlignment = Alignment.CenterVertically
     ) {
-        seasons.forEach { season ->
+        seasons.forEachIndexed { index, season ->
             SeasonTab(
                 name = season.name,
                 isSelected = season == selectedSeason,
-                modifier = Modifier.clickable { onSelect(season) }
+                modifier = Modifier
+                    .testTag("$SeriesSeasonTabTagPrefix$index")
+                    .clickable { onSelect(season) }
             )
         }
     }
@@ -313,7 +331,7 @@ internal fun EpisodeCarousel(episodes: List<Episode>, modifier: Modifier = Modif
 
     LazyRow(
         state = listState,
-        modifier = modifier,
+        modifier = modifier.testTag(SeriesEpisodeCarouselTag),
         horizontalArrangement = Arrangement.spacedBy(16.dp)
     ) {
         items(episodes, key = { episode -> episode.id }) { episode ->
@@ -332,6 +350,7 @@ private fun EpisodeCard(
     Column(
         modifier = Modifier
             .width(260.dp)
+            .testTag("$SeriesEpisodeCardTagPrefix${episode.id}")
             .clickable { viewModel.onSelectEpisode(
                 seriesId = episode.seriesId,
                 seasonId = episode.seasonId,
@@ -416,6 +435,17 @@ private fun EpisodeCard(
     }
 }
 
+internal const val SeriesPlayButtonTag = "series-play-button"
+internal const val SeriesAddButtonTag = "series-add-button"
+internal const val SeriesDownloadButtonTag = "series-download-button"
+internal const val SeriesDownloadDialogTag = "series-download-dialog"
+internal const val SeriesDownloadSeasonButtonTag = "series-download-season-button"
+internal const val SeriesDownloadAllButtonTag = "series-download-all-button"
+internal const val SeriesSmartDownloadButtonTag = "series-smart-download-button"
+internal const val SeriesSeasonTabTagPrefix = "series-season-tab-"
+internal const val SeriesEpisodeCarouselTag = "series-episode-carousel"
+internal const val SeriesEpisodeCardTagPrefix = "series-episode-card-"
+
 @Composable
 internal fun CastRow(cast: List<CastMember>, modifier: Modifier = Modifier) {
     //TODO fix