♻️ Enhanced StaffScreen testing.

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

@@ -1,12 +1,21 @@
 package io.github.droidkaigi.confsched.testing.robot
 
+import androidx.compose.ui.test.assertContentDescriptionEquals
 import androidx.compose.ui.test.assertIsDisplayed
+import androidx.compose.ui.test.assertTextEquals
 import androidx.compose.ui.test.hasTestTag
-import androidx.compose.ui.test.onChildren
-import androidx.compose.ui.test.onFirst
+import androidx.compose.ui.test.hasText
+import androidx.compose.ui.test.performScrollToIndex
 import io.github.droidkaigi.confsched.designsystem.theme.KaigiTheme
+import io.github.droidkaigi.confsched.model.Staff
+import io.github.droidkaigi.confsched.model.fakes
+import io.github.droidkaigi.confsched.staff.StaffItemTestTagPrefix
 import io.github.droidkaigi.confsched.staff.StaffScreen
 import io.github.droidkaigi.confsched.staff.StaffScreenLazyColumnTestTag
+import io.github.droidkaigi.confsched.staff.component.StaffItemImageTestTag
+import io.github.droidkaigi.confsched.staff.component.StaffItemUserNameTextTestTag
+import io.github.droidkaigi.confsched.testing.utils.assertCountAtLeast
+import io.github.droidkaigi.confsched.testing.utils.hasTestTag
 import javax.inject.Inject
 
 class StaffScreenRobot @Inject constructor(
@@ -26,20 +35,81 @@ class StaffScreenRobot @Inject constructor(
         waitUntilIdle()
     }
 
-    fun checkExistsStaffItem() {
+    fun scrollToIndex10() {
         composeTestRule
             .onNode(hasTestTag(StaffScreenLazyColumnTestTag))
-            .onChildren()
-            .onFirst()
-            .assertExists()
-            .assertIsDisplayed()
+            .performScrollToIndex(10)
     }
 
-    fun checkDoesNotExistsStaffItem() {
+    fun checkShowFirstAndSecondStaffs() {
+        checkRangeStaffItemsDisplayed(
+            fromTo = 0..2,
+        )
+    }
+
+    private fun checkRangeStaffItemsDisplayed(
+        fromTo: IntRange,
+    ) {
+        val staffList = Staff.fakes().subList(fromTo.first, fromTo.last)
+        staffList.forEach { staff ->
+            composeTestRule
+                .onNode(hasTestTag(StaffItemTestTagPrefix.plus(staff.id)))
+                .assertExists()
+                .assertIsDisplayed()
+
+            composeTestRule
+                .onNode(
+                    matcher = hasTestTag(StaffItemImageTestTag.plus(staff.username)),
+                    useUnmergedTree = true,
+                )
+                .assertExists()
+                .assertIsDisplayed()
+                .assertContentDescriptionEquals(staff.username)
+
+            composeTestRule
+                .onNode(
+                    matcher = hasTestTag(StaffItemUserNameTextTestTag.plus(staff.username)),
+                    useUnmergedTree = true,
+                )
+                .assertExists()
+                .assertIsDisplayed()
+                .assertTextEquals(staff.username)
+        }
+    }
+
+    fun checkStaffItemsDisplayed() {
+        // Check there are two staffs
         composeTestRule
-            .onNode(hasTestTag(StaffScreenLazyColumnTestTag))
-            .onChildren()
-            .onFirst()
+            .onAllNodes(hasTestTag(StaffItemTestTagPrefix, substring = true))
+            .assertCountAtLeast(2)
+    }
+
+    fun checkDoesNotFirstStaffItemDisplayed() {
+        val staff = Staff.fakes().first()
+        composeTestRule
+            .onNode(hasTestTag(StaffItemTestTagPrefix.plus(staff.id)))
+            .assertDoesNotExist()
+
+        composeTestRule
+            .onNode(
+                matcher = hasTestTag(StaffItemImageTestTag.plus(staff.username)),
+                useUnmergedTree = true,
+            )
             .assertDoesNotExist()
+
+        composeTestRule
+            .onNode(
+                matcher = hasTestTag(StaffItemUserNameTextTestTag.plus(staff.username)),
+                useUnmergedTree = true,
+            )
+            .assertDoesNotExist()
+    }
+
+    fun checkErrorSnackbarDisplayed() {
+        composeTestRule
+            .onNode(
+                hasText("Fake IO Exception"),
+                useUnmergedTree = true,
+            ).assertIsDisplayed()
     }
 }

feature/staff/src/androidUnitTest/kotlin/io/github/droidkaigi/confsched/staff/StaffScreenTest.kt

@@ -6,8 +6,7 @@ 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.StaffScreenRobot
-import io.github.droidkaigi.confsched.testing.robot.StaffServerRobot.ServerStatus.Error
-import io.github.droidkaigi.confsched.testing.robot.StaffServerRobot.ServerStatus.Operational
+import io.github.droidkaigi.confsched.testing.robot.StaffServerRobot
 import io.github.droidkaigi.confsched.testing.robot.runRobot
 import io.github.droidkaigi.confsched.testing.rules.RobotTestRule
 import org.junit.Rule
@@ -41,36 +40,46 @@ class StaffScreenTest(
             return describeBehaviors<StaffScreenRobot>(name = "StaffScreen") {
                 describe("when server is operational") {
                     run {
-                        setupStaffServer(Operational)
+                        setupStaffServer(StaffServerRobot.ServerStatus.Operational)
                     }
                     describe("when launch") {
                         run {
                             setupScreenContent()
                         }
-                        itShould("show staff screen") {
-                            captureScreenWithChecks(
-                                checks = {
-                                    checkExistsStaffItem()
-                                },
-                            )
+                        itShould("show first and second staffs") {
+                            captureScreenWithChecks {
+                                checkShowFirstAndSecondStaffs()
+                            }
                         }
-                    }
-                }
 
-                describe("when server is down") {
-                    run {
-                        setupStaffServer(Error)
+                        describe("when scroll to index 10") {
+                            run {
+                                scrollToIndex10()
+                            }
+                            itShould("show staffs") {
+                                captureScreenWithChecks {
+                                    checkStaffItemsDisplayed()
+                                }
+                            }
+                        }
                     }
-                    describe("when launch") {
+
+                    describe("when server is down") {
                         run {
-                            setupScreenContent()
+                            setupStaffServer(StaffServerRobot.ServerStatus.Error)
                         }
-                        itShould("show snackbar") {
-                            captureScreenWithChecks(
-                                checks = {
-                                    checkDoesNotExistsStaffItem()
-                                },
-                            )
+                        describe("when launch") {
+                            run {
+                                setupScreenContent()
+                            }
+                            itShould("does not show staff and show snackbar") {
+                                captureScreenWithChecks(
+                                    checks = {
+                                        checkDoesNotFirstStaffItemDisplayed()
+                                        checkErrorSnackbarDisplayed()
+                                    },
+                                )
+                            }
                         }
                     }
                 }

feature/staff/src/commonMain/kotlin/io/github/droidkaigi/confsched/staff/StaffScreen.kt

@@ -36,6 +36,7 @@ import org.jetbrains.compose.ui.tooling.preview.Preview
 const val staffScreenRoute = "staff"
 const val StaffScreenTestTag = "StaffScreenTestTag"
 const val StaffScreenLazyColumnTestTag = "StaffScreenLazyColumnTestTag"
+const val StaffItemTestTagPrefix = "StaffItemTestTag:"
 
 fun NavGraphBuilder.staffScreens(
     onNavigationIconClick: () -> Unit,
@@ -121,21 +122,23 @@ fun StaffScreen(
             modifier = Modifier
                 .fillMaxSize()
                 .padding(top = padding.calculateTopPadding())
-                .testTag(StaffScreenLazyColumnTestTag)
                 .let {
                     if (scrollBehavior != null) {
                         it.nestedScroll(scrollBehavior.nestedScrollConnection)
                     } else {
                         it
                     }
-                },
+                }
+                .testTag(StaffScreenLazyColumnTestTag),
             contentPadding = PaddingValues(bottom = padding.calculateBottomPadding()),
         ) {
             items(uiState.staff) { staff ->
                 StaffItem(
                     staff = staff,
                     onStaffItemClick = onStaffItemClick,
-                    modifier = Modifier.fillMaxWidth(),
+                    modifier = Modifier
+                        .fillMaxWidth()
+                        .testTag(StaffItemTestTagPrefix.plus(staff.id)),
                 )
             }
         }

feature/staff/src/commonMain/kotlin/io/github/droidkaigi/confsched/staff/component/StaffItem.kt

@@ -18,6 +18,7 @@ import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
 import androidx.compose.ui.graphics.vector.rememberVectorPainter
+import androidx.compose.ui.platform.testTag
 import androidx.compose.ui.text.style.TextOverflow
 import androidx.compose.ui.unit.dp
 import io.github.droidkaigi.confsched.designsystem.theme.KaigiTheme
@@ -29,6 +30,9 @@ import org.jetbrains.compose.ui.tooling.preview.Preview
 
 private val staffIconShape = CircleShape
 
+const val StaffItemImageTestTag = "StaffItemImageTestTag:"
+const val StaffItemUserNameTextTestTag = "StaffItemUserNameTextTestTag:"
+
 @Composable
 fun StaffItem(
     staff: Staff,
@@ -48,21 +52,23 @@ fun StaffItem(
             painter = previewOverride(previewPainter = { rememberVectorPainter(image = Icons.Default.Person) }) {
                 rememberAsyncImagePainter(staff.iconUrl)
             },
-            contentDescription = null,
+            contentDescription = staff.username,
             modifier = Modifier
                 .size(52.dp)
                 .clip(staffIconShape)
                 .border(
                     width = 1.dp,
                     color = MaterialTheme.colorScheme.outline,
                     shape = staffIconShape,
-                ),
+                )
+                .testTag(StaffItemImageTestTag.plus(staff.username)),
         )
         Text(
             text = staff.username,
             style = MaterialTheme.typography.bodyLarge,
             maxLines = 2,
             overflow = TextOverflow.Ellipsis,
+            modifier = Modifier.testTag(StaffItemUserNameTextTestTag.plus(staff.username)),
         )
     }
 }