move claude-marketplace to ai-proj-helper

plugins/dev-test-plugin/skills/dev-test/android-testing.md

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+# Android 测试 (JUnit + Espresso)
+
+## 运行测试
+
+```bash
+# 单元测试
+./gradlew test
+
+# UI 测试
+./gradlew connectedAndroidTest
+```
+
+## 单元测试 (JUnit)
+
+```kotlin
+class TaskViewModelTest {
+    @get:Rule
+    val instantTaskRule = InstantTaskExecutorRule()
+
+    @get:Rule
+    val coroutineRule = MainCoroutineRule()
+
+    private lateinit var viewModel: TaskViewModel
+    private lateinit var repository: FakeTaskRepository
+
+    @Before
+    fun setup() {
+        repository = FakeTaskRepository()
+        viewModel = TaskViewModel(repository)
+    }
+
+    @Test
+    fun `fetchTasks updates state`() = runTest {
+        // Arrange
+        repository.addTasks(listOf(
+            Task(1, "Task 1"),
+            Task(2, "Task 2")
+        ))
+
+        // Act
+        viewModel.fetchTasks()
+
+        // Assert
+        val tasks = viewModel.tasks.first()
+        assertEquals(2, tasks.size)
+    }
+
+    @Test
+    fun `createTask adds task`() = runTest {
+        // Act
+        viewModel.createTask("New Task")
+
+        // Assert
+        val tasks = viewModel.tasks.first()
+        assertTrue(tasks.any { it.title == "New Task" })
+    }
+}
+```
+
+## UI 测试 (Espresso)
+
+```kotlin
+@RunWith(AndroidJUnit4::class)
+@LargeTest
+class TaskListActivityTest {
+
+    @get:Rule
+    val activityRule = ActivityScenarioRule(TaskListActivity::class.java)
+
+    @Test
+    fun displayTaskList() {
+        onView(withId(R.id.taskList))
+            .check(matches(isDisplayed()))
+    }
+
+    @Test
+    fun clickTask_opensDetail() {
+        onView(withId(R.id.taskList))
+            .perform(RecyclerViewActions.actionOnItemAtPosition<TaskViewHolder>(0, click()))
+
+        onView(withId(R.id.taskDetail))
+            .check(matches(isDisplayed()))
+    }
+
+    @Test
+    fun addTask_showsInList() {
+        // Click add button
+        onView(withId(R.id.addButton)).perform(click())
+
+        // Enter title
+        onView(withId(R.id.titleInput))
+            .perform(typeText("New Task"), closeSoftKeyboard())
+
+        // Save
+        onView(withId(R.id.saveButton)).perform(click())
+
+        // Verify in list
+        onView(withText("New Task"))
+            .check(matches(isDisplayed()))
+    }
+}
+```
+
+## Compose UI 测试
+
+```kotlin
+@RunWith(AndroidJUnit4::class)
+class TaskListScreenTest {
+
+    @get:Rule
+    val composeRule = createComposeRule()
+
+    @Test
+    fun taskList_displays() {
+        val tasks = listOf(
+            Task(1, "Task 1"),
+            Task(2, "Task 2")
+        )
+
+        composeRule.setContent {
+            TaskListScreen(tasks = tasks)
+        }
+
+        composeRule.onNodeWithText("Task 1").assertExists()
+        composeRule.onNodeWithText("Task 2").assertExists()
+    }
+
+    @Test
+    fun taskClick_callsOnClick() {
+        var clickedId: Int? = null
+        val tasks = listOf(Task(1, "Task 1"))
+
+        composeRule.setContent {
+            TaskListScreen(
+                tasks = tasks,
+                onTaskClick = { clickedId = it.id }
+            )
+        }
+
+        composeRule.onNodeWithText("Task 1").performClick()
+
+        assertEquals(1, clickedId)
+    }
+}
+```