[WIP] Add search screen testing

feature/sessions/src/main/java/io/github/droidkaigi/confsched2022/feature/sessions/Search.kt

@@ -56,6 +56,7 @@ import androidx.compose.ui.focus.focusRequester
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.graphics.SolidColor
 import androidx.compose.ui.platform.LocalSoftwareKeyboardController
+import androidx.compose.ui.platform.testTag
 import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.semantics.CustomAccessibilityAction
@@ -293,7 +294,8 @@ fun SearchTextFieldTopAppBar(
             title = {
                 SearchTextField(
                     modifier = Modifier
-                        .background(color = backgroundColor),
+                        .background(color = backgroundColor)
+                        .testTag("search"),
                     searchWord = searchWord,
                     onSearchWordChange = onSearchWordChange,
                     onSearchTextAreaClicked = onSearchTextAreaClicked
@@ -354,6 +356,7 @@ private fun SearchTextField(
                 placeholder = { Text(stringResource(Strings.search_placeholder)) },
                 trailingIcon = {
                     IconButton(
+                        modifier = Modifier.testTag("clearInput"),
                         onClick = { onSearchWordChange("") }
                     ) {
                         Icon(

feature/sessions/src/main/java/io/github/droidkaigi/confsched2022/feature/sessions/SessionListItem.kt

@@ -65,7 +65,9 @@ fun SessionListItem(
     val secondLang = lang.secondLang()
 
     Row(
-        modifier = modifier.fillMaxSize(),
+        modifier = modifier
+            .fillMaxSize()
+            .testTag("session"),
         horizontalArrangement = Arrangement.SpaceBetween
     ) {
         Column(modifier = Modifier.weight(1F)) {

feature/sessions/src/test/java/io/github/droidkaigi/confsched2022/feature/sessions/SearchScreenRobot.kt

@@ -0,0 +1,40 @@
+package io.github.droidkaigi.confsched2022.feature.sessions
+
+import androidx.compose.ui.test.assertAny
+import androidx.compose.ui.test.hasTestTag
+import androidx.compose.ui.test.hasText
+import androidx.compose.ui.test.onNodeWithTag
+import androidx.compose.ui.test.performClick
+import androidx.compose.ui.test.performTextReplacement
+import io.github.droidkaigi.confsched2022.testing.RobotTestRule
+import javax.inject.Inject
+
+class SearchScreenRobot @Inject constructor() {
+
+    context(RobotTestRule)
+    fun typeQuery(query: String) {
+        composeTestRule.onNodeWithTag("search").performTextReplacement(query)
+    }
+
+    context(RobotTestRule)
+    fun checkSessionExists(title: String) {
+        composeTestRule.onAllNodes(
+            matcher = hasTestTag("session") and hasText(title),
+        ).assertAny(hasText(title))
+    }
+
+    context(RobotTestRule)
+    fun clearInput() {
+        composeTestRule.onNodeWithTag("clearInput").performClick()
+    }
+
+    operator fun invoke(
+        robotTestRule: RobotTestRule,
+        function: context(RobotTestRule) SearchScreenRobot.() -> Unit
+    ) {
+        robotTestRule.composeTestRule.setContent {
+            SearchRoot(onItemClick = {})
+        }
+        function(robotTestRule, this@SearchScreenRobot)
+    }
+}

feature/sessions/src/test/java/io/github/droidkaigi/confsched2022/feature/sessions/SearchScreenTest.kt

@@ -0,0 +1,34 @@
+package io.github.droidkaigi.confsched2022.feature.sessions
+
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import dagger.hilt.android.testing.HiltAndroidTest
+import io.github.droidkaigi.confsched2022.model.DroidKaigiSchedule
+import io.github.droidkaigi.confsched2022.model.TimetableItem.Session
+import io.github.droidkaigi.confsched2022.model.fake
+import io.github.droidkaigi.confsched2022.testing.RobotTestRule
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+import javax.inject.Inject
+
+@RunWith(AndroidJUnit4::class)
+@HiltAndroidTest
+class SearchScreenTest {
+
+    @get:Rule val robotTestRule = RobotTestRule(this)
+    @Inject lateinit var searchScreenRobot: SearchScreenRobot
+
+    @Test
+    fun searchWithResult() {
+        searchScreenRobot(robotTestRule) {
+            DroidKaigiSchedule.fake().dayToTimetable.forEach { (_, timeTable) ->
+                timeTable.contents.forEach inner@{
+                    if (it.timetableItem !is Session) return@inner
+                    val query = it.timetableItem.title.currentLangTitle
+                    typeQuery(query)
+                    checkSessionExists(query)
+                }
+            }
+        }
+    }
+}