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Code Issues Projects Releases Wiki Activity

Convert InterestsListDetailScreenTest to unit test (#1560)

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* Convert InterestsListDetailScreenTest to Robolectric

Change-Id: I751f6ccc8bf16465fb6a9effb8a5d738a184d778

* Fix import alias

Change-Id: I3726858384bfe842eb717bae72c309284c524f06

* Add waitForIdle

Change-Id: I702fbca6ba79e3705e3226b0f3088923c89fc2cb
pull/1604/head
Jonathan Koren 3 months ago committed by GitHub
parent 79787caa60
commit 447cd7eba3
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
3 changed files with 51 additions and 67 deletions
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1
app/build.gradle.kts
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@ -116,6 +116,7 @@ dependencies {
testImplementation(projects.core.dataTest)
testImplementation(libs.hilt.android.testing)
testImplementation(projects.sync.syncTest)
testImplementation(libs.kotlin.test)
testDemoImplementation(libs.robolectric)
testDemoImplementation(libs.roborazzi)

96
app/src/androidTest/kotlin/com/google/samples/apps/nowinandroid/ui/interests2pane/InterestsListDetailScreenTest.kt → app/src/testDemo/kotlin/com/google/samples/apps/nowinandroid/ui/InterestsListDetailScreenTest.kt
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@ -14,43 +14,49 @@
* limitations under the License.
*/
package com.google.samples.apps.nowinandroid.ui.interests2pane
package com.google.samples.apps.nowinandroid.ui
import androidx.activity.compose.BackHandler
import androidx.compose.material3.adaptive.Posture
import androidx.compose.material3.adaptive.WindowAdaptiveInfo
import androidx.compose.ui.test.DeviceConfigurationOverride
import androidx.compose.ui.test.ForcedSize
import androidx.annotation.StringRes
import androidx.compose.ui.test.assertIsDisplayed
import androidx.compose.ui.test.assertIsNotDisplayed
import androidx.compose.ui.test.junit4.AndroidComposeTestRule
import androidx.compose.ui.test.junit4.createAndroidComposeRule
import androidx.compose.ui.test.onNodeWithTag
import androidx.compose.ui.test.onNodeWithText
import androidx.compose.ui.test.performClick
import androidx.compose.ui.unit.DpSize
import androidx.compose.ui.unit.dp
import androidx.test.espresso.Espresso
import androidx.window.core.layout.WindowSizeClass
import com.google.samples.apps.nowinandroid.core.data.repository.TopicsRepository
import com.google.samples.apps.nowinandroid.core.designsystem.theme.NiaTheme
import com.google.samples.apps.nowinandroid.core.model.data.Topic
import com.google.samples.apps.nowinandroid.ui.stringResource
import com.google.samples.apps.nowinandroid.ui.interests2pane.InterestsListDetailScreen
import com.google.samples.apps.nowinandroid.uitesthiltmanifest.HiltComponentActivity
import dagger.hilt.android.testing.BindValue
import dagger.hilt.android.testing.HiltAndroidRule
import dagger.hilt.android.testing.HiltAndroidTest
import dagger.hilt.android.testing.HiltTestApplication
import kotlinx.coroutines.flow.first
import kotlinx.coroutines.runBlocking
import org.junit.Before
import org.junit.Rule
import org.junit.Test
import org.junit.rules.TemporaryFolder
import org.junit.runner.RunWith
import org.robolectric.RobolectricTestRunner
import org.robolectric.annotation.Config
import javax.inject.Inject
import kotlin.properties.ReadOnlyProperty
import kotlin.test.assertTrue
import com.google.samples.apps.nowinandroid.feature.topic.R as FeatureTopicR
private const val EXPANDED_WIDTH = "w1200dp-h840dp"
private const val COMPACT_WIDTH = "w412dp-h915dp"
@HiltAndroidTest
@RunWith(RobolectricTestRunner::class)
@Config(application = HiltTestApplication::class)
class InterestsListDetailScreenTest {
@get:Rule(order = 0)
val hiltRule = HiltAndroidRule(this)
@ -64,6 +70,11 @@ class InterestsListDetailScreenTest {
@Inject
lateinit var topicsRepository: TopicsRepository
/** Convenience function for getting all topics during tests, */
private fun getTopics(): List<Topic> = runBlocking {
topicsRepository.getTopics().first().sortedBy { it.name }
}
// The strings used for matching in these tests.
private val placeholderText by composeTestRule.stringResource(FeatureTopicR.string.feature_topic_select_an_interest)
private val listPaneTag = "interests:topics"
@ -71,39 +82,18 @@ class InterestsListDetailScreenTest {
private val Topic.testTag
get() = "topic:${this.id}"
// Overrides for device sizes.
private enum class TestDeviceConfig(widthDp: Float, heightDp: Float) {
Compact(412f, 915f),
Expanded(1200f, 840f),
;
val sizeOverride = DeviceConfigurationOverride.ForcedSize(DpSize(widthDp.dp, heightDp.dp))
val adaptiveInfo = WindowAdaptiveInfo(
windowSizeClass = WindowSizeClass.compute(widthDp, heightDp),
windowPosture = Posture(),
)
}
@Before
fun setup() {
hiltRule.inject()
}
/** Convenience function for getting all topics during tests, */
private fun getTopics(): List<Topic> = runBlocking {
topicsRepository.getTopics().first()
}
@Test
@Config(qualifiers = EXPANDED_WIDTH)
fun expandedWidth_initialState_showsTwoPanesWithPlaceholder() {
composeTestRule.apply {
setContent {
with(TestDeviceConfig.Expanded) {
DeviceConfigurationOverride(override = sizeOverride) {
NiaTheme {
InterestsListDetailScreen(windowAdaptiveInfo = adaptiveInfo)
}
}
InterestsListDetailScreen()
}
}
@ -113,15 +103,12 @@ class InterestsListDetailScreenTest {
}
@Test
@Config(qualifiers = COMPACT_WIDTH)
fun compactWidth_initialState_showsListPane() {
composeTestRule.apply {
setContent {
with(TestDeviceConfig.Compact) {
DeviceConfigurationOverride(override = sizeOverride) {
NiaTheme {
InterestsListDetailScreen(windowAdaptiveInfo = adaptiveInfo)
}
}
InterestsListDetailScreen()
}
}
@ -131,15 +118,12 @@ class InterestsListDetailScreenTest {
}
@Test
@Config(qualifiers = EXPANDED_WIDTH)
fun expandedWidth_topicSelected_updatesDetailPane() {
composeTestRule.apply {
setContent {
with(TestDeviceConfig.Expanded) {
DeviceConfigurationOverride(override = sizeOverride) {
NiaTheme {
InterestsListDetailScreen(windowAdaptiveInfo = adaptiveInfo)
}
}
InterestsListDetailScreen()
}
}
@ -153,15 +137,12 @@ class InterestsListDetailScreenTest {
}
@Test
@Config(qualifiers = COMPACT_WIDTH)
fun compactWidth_topicSelected_showsTopicDetailPane() {
composeTestRule.apply {
setContent {
with(TestDeviceConfig.Compact) {
DeviceConfigurationOverride(override = sizeOverride) {
NiaTheme {
InterestsListDetailScreen(windowAdaptiveInfo = adaptiveInfo)
}
}
InterestsListDetailScreen()
}
}
@ -175,27 +156,25 @@ class InterestsListDetailScreenTest {
}
@Test
@Config(qualifiers = EXPANDED_WIDTH)
fun expandedWidth_backPressFromTopicDetail_leavesInterests() {
var unhandledBackPress = false
composeTestRule.apply {
setContent {
with(TestDeviceConfig.Expanded) {
DeviceConfigurationOverride(override = sizeOverride) {
NiaTheme {
// Back press should not be handled by the two pane layout, and thus
// "fall through" to this BackHandler.
BackHandler {
unhandledBackPress = true
}
InterestsListDetailScreen(windowAdaptiveInfo = adaptiveInfo)
}
}
InterestsListDetailScreen()
}
}
val firstTopic = getTopics().first()
onNodeWithText(firstTopic.name).performClick()
waitForIdle()
Espresso.pressBack()
assertTrue(unhandledBackPress)
@ -203,21 +182,19 @@ class InterestsListDetailScreenTest {
}
@Test
@Config(qualifiers = COMPACT_WIDTH)
fun compactWidth_backPressFromTopicDetail_showsListPane() {
composeTestRule.apply {
setContent {
with(TestDeviceConfig.Compact) {
DeviceConfigurationOverride(override = sizeOverride) {
NiaTheme {
InterestsListDetailScreen(windowAdaptiveInfo = adaptiveInfo)
}
}
InterestsListDetailScreen()
}
}
val firstTopic = getTopics().first()
onNodeWithText(firstTopic.name).performClick()
waitForIdle()
Espresso.pressBack()
onNodeWithTag(listPaneTag).assertIsDisplayed()
@ -226,3 +203,8 @@ class InterestsListDetailScreenTest {
}
}
}
private fun AndroidComposeTestRule<*, *>.stringResource(
@StringRes resId: Int,
): ReadOnlyProperty<Any, String> =
ReadOnlyProperty { _, _ -> activity.getString(resId) }

1
gradle/libs.versions.toml
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@ -125,6 +125,7 @@ hilt-ext-compiler = { group = "androidx.hilt", name = "hilt-compiler", version.r
hilt-ext-work = { group = "androidx.hilt", name = "hilt-work", version.ref = "hiltExt" }
javax-inject = { module = "javax.inject:javax.inject", version = "1" }
kotlin-stdlib = { group = "org.jetbrains.kotlin", name = "kotlin-stdlib-jdk8", version.ref = "kotlin" }
kotlin-test = { group = "org.jetbrains.kotlin", name = "kotlin-test", version.ref = "kotlin" }
kotlinx-coroutines-core = { group = "org.jetbrains.kotlinx", name = "kotlinx-coroutines-core", version.ref = "kotlinxCoroutines" }
kotlinx-coroutines-android = { group = "org.jetbrains.kotlinx", name = "kotlinx-coroutines-android", version.ref = "kotlinxCoroutines" }
kotlinx-coroutines-guava = { group = "org.jetbrains.kotlinx", name = "kotlinx-coroutines-guava", version.ref = "kotlinxCoroutines" }

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