android: add compose ui tests for auth and chat list states

android/CHANGELOG.md

@@ -358,3 +358,8 @@
 - Added global Coil image loader cache policy in `MessengerApplication` (memory + disk cache).
 - Added Media3 `SimpleCache` singleton module for media stream/file caching foundation.
 - Added Media3/Coil core dependencies and configured cache sizes for mobile usage.
+
+### Step 61 - Compose UI tests baseline
+- Added instrumented Compose UI tests for login and chat list states.
+- Added Android test dependencies for Compose test runner (`ui-test-junit4`) and test infra.
+- Covered key visual states: auth error rendering, chat list loading state, and empty state.

android/app/build.gradle.kts

@@ -106,6 +106,9 @@ dependencies {
     testImplementation("androidx.test:core:1.6.1")
     testImplementation("org.robolectric:robolectric:4.13")
     testImplementation("com.squareup.okhttp3:mockwebserver:4.12.0")
+    androidTestImplementation("androidx.compose.ui:ui-test-junit4:1.7.6")
+    androidTestImplementation("androidx.test.ext:junit:1.2.1")
+    androidTestImplementation("androidx.test.espresso:espresso-core:3.6.1")
 
     debugImplementation("androidx.compose.ui:ui-tooling:1.7.6")
     debugImplementation("androidx.compose.ui:ui-test-manifest:1.7.6")

android/app/src/androidTest/java/ru/daemonlord/messenger/ui/auth/LoginScreenTest.kt

@@ -0,0 +1,35 @@
+package ru.daemonlord.messenger.ui.auth
+
+import androidx.activity.ComponentActivity
+import androidx.compose.ui.test.assertIsDisplayed
+import androidx.compose.ui.test.junit4.createAndroidComposeRule
+import androidx.compose.ui.test.onNodeWithText
+import org.junit.Rule
+import org.junit.Test
+
+class LoginScreenTest {
+
+    @get:Rule
+    val composeRule = createAndroidComposeRule<ComponentActivity>()
+
+    @Test
+    fun loginScreen_showsErrorMessage() {
+        composeRule.setContent {
+            LoginScreen(
+                state = AuthUiState(
+                    email = "demo@daemonlord.ru",
+                    password = "123456",
+                    errorMessage = "Invalid email or password.",
+                ),
+                onEmailChanged = {},
+                onPasswordChanged = {},
+                onLoginClick = {},
+            )
+        }
+
+        composeRule.onNodeWithText("Messenger Login").assertIsDisplayed()
+        composeRule.onNodeWithText("Invalid email or password.").assertIsDisplayed()
+        composeRule.onNodeWithText("Login").assertIsDisplayed()
+    }
+}
+

android/app/src/androidTest/java/ru/daemonlord/messenger/ui/chats/ChatListScreenTest.kt

@@ -0,0 +1,51 @@
+package ru.daemonlord.messenger.ui.chats
+
+import androidx.activity.ComponentActivity
+import androidx.compose.ui.test.assertIsDisplayed
+import androidx.compose.ui.test.junit4.createAndroidComposeRule
+import androidx.compose.ui.test.onNodeWithText
+import org.junit.Rule
+import org.junit.Test
+
+class ChatListScreenTest {
+
+    @get:Rule
+    val composeRule = createAndroidComposeRule<ComponentActivity>()
+
+    @Test
+    fun chatListScreen_loadingState_showsLoadingText() {
+        composeRule.setContent {
+            ChatListScreen(
+                state = ChatListUiState(isLoading = true),
+                onTabSelected = {},
+                onFilterSelected = {},
+                onSearchChanged = {},
+                onRefresh = {},
+                onOpenSettings = {},
+                onOpenProfile = {},
+                onOpenChat = {},
+            )
+        }
+
+        composeRule.onNodeWithText("Loading chats...").assertIsDisplayed()
+    }
+
+    @Test
+    fun chatListScreen_emptyState_showsPlaceholder() {
+        composeRule.setContent {
+            ChatListScreen(
+                state = ChatListUiState(isLoading = false, chats = emptyList()),
+                onTabSelected = {},
+                onFilterSelected = {},
+                onSearchChanged = {},
+                onRefresh = {},
+                onOpenSettings = {},
+                onOpenProfile = {},
+                onOpenChat = {},
+            )
+        }
+
+        composeRule.onNodeWithText("No chats found").assertIsDisplayed()
+    }
+}
+

docs/android-checklist.md

@@ -110,7 +110,7 @@
 
 ## 15. Качество
 - [x] Unit tests (domain/data)
-- [ ] UI tests (Compose test)
+- [x] UI tests (Compose test)
 - [ ] Integration tests для auth/chat/realtime
 - [x] Performance baseline (startup, scroll, media)
 - [ ] ANR/crash budget + monitoring