test: Check the launch of CropImageScreen

Author: warahiko

core/testing/src/main/java/io/github/droidkaigi/confsched/testing/robot/CropImageScreenRobot.kt

@@ -0,0 +1,31 @@
+package io.github.droidkaigi.confsched.testing.robot
+
+import androidx.compose.ui.test.assertIsDisplayed
+import androidx.compose.ui.test.hasTestTag
+import io.github.droidkaigi.confsched.designsystem.theme.KaigiTheme
+import io.github.droidkaigi.confsched.profilecard.CropImageScreen
+import io.github.droidkaigi.confsched.profilecard.CropImageScreenTestTag
+import javax.inject.Inject
+
+class CropImageScreenRobot @Inject constructor(
+    screenRobot: DefaultScreenRobot,
+) : ScreenRobot by screenRobot {
+
+    fun setupScreenContent() {
+        robotTestRule.setContent {
+            KaigiTheme {
+                CropImageScreen(
+                    onNavigationIconClick = {},
+                    onBackWithConfirm = {},
+                )
+            }
+        }
+        waitUntilIdle()
+    }
+
+    fun checkScreenDisplayed() {
+        composeTestRule
+            .onNode(hasTestTag(CropImageScreenTestTag))
+            .assertIsDisplayed()
+    }
+}

feature/profilecard/src/androidUnitTest/kotlin/io/github/droidkaigi/confsched/profilecard/CropImageScreenTest.kt

@@ -0,0 +1,55 @@
+package io.github.droidkaigi.confsched.profilecard
+
+import dagger.hilt.android.testing.BindValue
+import dagger.hilt.android.testing.HiltAndroidTest
+import io.github.droidkaigi.confsched.testing.DescribedBehavior
+import io.github.droidkaigi.confsched.testing.describeBehaviors
+import io.github.droidkaigi.confsched.testing.execute
+import io.github.droidkaigi.confsched.testing.robot.CropImageScreenRobot
+import io.github.droidkaigi.confsched.testing.robot.runRobot
+import io.github.droidkaigi.confsched.testing.rules.RobotTestRule
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.robolectric.ParameterizedRobolectricTestRunner
+import javax.inject.Inject
+
+@RunWith(ParameterizedRobolectricTestRunner::class)
+@HiltAndroidTest
+class CropImageScreenTest(
+    private val testCase: DescribedBehavior<CropImageScreenRobot>,
+) {
+
+    @get:Rule
+    @BindValue
+    val robotTestRule: RobotTestRule = RobotTestRule(testInstance = this)
+
+    @Inject
+    lateinit var cropImageScreenRobot: CropImageScreenRobot
+
+    @Test
+    fun runTest() {
+        runRobot(cropImageScreenRobot) {
+            testCase.execute(cropImageScreenRobot)
+        }
+    }
+
+    companion object {
+        @JvmStatic
+        @ParameterizedRobolectricTestRunner.Parameters(name = "{0}")
+        fun behaviors(): List<DescribedBehavior<CropImageScreenRobot>> {
+            return describeBehaviors(name = "CropImageScreen") {
+                describe("when launch") {
+                    doIt {
+                        setupScreenContent()
+                    }
+                    itShould("show screen") {
+                        captureScreenWithChecks {
+                            checkScreenDisplayed()
+                        }
+                    }
+                }
+            }
+        }
+    }
+}

feature/profilecard/src/commonMain/kotlin/io/github/droidkaigi/confsched/profilecard/CropImageScreen.kt

@@ -34,6 +34,7 @@ import androidx.compose.ui.geometry.Size
 import androidx.compose.ui.geometry.toRect
 import androidx.compose.ui.layout.ContentScale
 import androidx.compose.ui.platform.LocalDensity
+import androidx.compose.ui.platform.testTag
 import androidx.compose.ui.unit.IntRect
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.unit.roundToIntRect
@@ -50,6 +51,8 @@ import kotlin.math.max
 
 const val cropImageScreenRoute = "cropImage"
 
+const val CropImageScreenTestTag = "CropImageScreenTestTag"
+
 fun NavGraphBuilder.cropImageScreens(
     onNavigationIconClick: () -> Unit,
     onBackWithConfirm: () -> Unit,
@@ -78,6 +81,20 @@ internal sealed interface CropImageScreenState {
     ) : CropImageScreenState
 }
 
+@Composable
+fun CropImageScreen(
+    onNavigationIconClick: () -> Unit,
+    onBackWithConfirm: () -> Unit,
+    modifier: Modifier = Modifier,
+) {
+    CropImageScreen(
+        onNavigationIconClick = onNavigationIconClick,
+        onBackWithConfirm = onBackWithConfirm,
+        modifier = modifier,
+        eventFlow = rememberEventFlow(),
+    )
+}
+
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
 internal fun CropImageScreen(
@@ -94,7 +111,9 @@ internal fun CropImageScreen(
     }
 
     Scaffold(
-        modifier = modifier.fillMaxSize(),
+        modifier = modifier
+            .testTag(CropImageScreenTestTag)
+            .fillMaxSize(),
         topBar = {
             TopAppBar(
                 title = {