basic tests for step and composable

magellan-sample-migration/build.gradle

@@ -97,6 +97,9 @@ dependencies {
   testImplementation libs.mockK
   testImplementation libs.robolectric
   testImplementation libs.truth
+//  testImplementation libs.espressoCore
+  testImplementation libs.compose.junit4
+  testImplementation libs.compose.manifest
 
   kaptAndroidTest libs.daggerCompiler
   androidTestImplementation libs.extJunit

magellan-sample-migration/src/androidTest/java/com/wealthfront/magellan/sample/migration/uitest/NavigationTest.kt

@@ -14,6 +14,7 @@ import com.wealthfront.magellan.sample.migration.AppComponentContainer
 import com.wealthfront.magellan.sample.migration.CoroutineIdlingRule
 import com.wealthfront.magellan.sample.migration.MainActivity
 import com.wealthfront.magellan.sample.migration.R
+import com.wealthfront.magellan.sample.migration.TestAppComponent
 import com.wealthfront.magellan.sample.migration.api.DogApi
 import com.wealthfront.magellan.sample.migration.api.DogBreedsResponse
 import com.wealthfront.magellan.sample.migration.api.DogImageResponse

magellan-sample-migration/src/compose/java/com/wealthfront/magellan/sample/migration/tide/DogBreeds.kt

@@ -4,10 +4,12 @@ import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.lazy.itemsIndexed
 import androidx.compose.material3.HorizontalDivider
 import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.testTag
 
 @Composable
 fun DogBreeds(dogBreeds: List<String>, onBreedClick: (name: String) -> Unit) {
-  LazyColumn {
+  LazyColumn(modifier = Modifier.testTag("DogBreeds")) {
     itemsIndexed(dogBreeds) { index, item ->
       DogBreedListItem(item, onBreedClick)
       if (index != (dogBreeds.size - 1)) {

magellan-sample-migration/src/testAndroidViews/java/com/wealthfront/magellan/sample/migration/TestAppComponent.kt → magellan-sample-migration/src/test/java/com/wealthfront/magellan/sample/migration/TestAppComponent.kt

@@ -1,7 +1,7 @@
 package com.wealthfront.magellan.sample.migration
 
 import com.wealthfront.magellan.sample.migration.api.DogApi
-import com.wealthfront.magellan.sample.migration.tide.DogListStepTest
+import com.wealthfront.magellan.sample.migration.tide.DogListStepFactory
 import com.wealthfront.magellan.sample.migration.toolbar.ToolbarHelper
 import dagger.Component
 import javax.inject.Singleton
@@ -12,6 +12,5 @@ interface TestAppComponent : AppComponent {
 
   val toolbarHelper: ToolbarHelper
   val api: DogApi
-
-  fun inject(test: DogListStepTest)
+  val dogListStepFactory: DogListStepFactory
 }

magellan-sample-migration/src/testAndroidViews/java/com/wealthfront/magellan/sample/migration/tide/DogListStepTest.kt

@@ -16,13 +16,11 @@ import org.junit.runner.RunWith
 import org.robolectric.Robolectric
 import org.robolectric.RobolectricTestRunner
 import org.robolectric.Shadows.shadowOf
-import javax.inject.Inject
 
 @RunWith(RobolectricTestRunner::class)
 class DogListStepTest {
 
   private lateinit var dogListStep: DogListStep
-  @Inject lateinit var dogListStepFactory: DogListStepFactory
   private val activityController = Robolectric.buildActivity(ComponentActivity::class.java)
 
   private var chosenBreed: String? = null
@@ -31,8 +29,7 @@ class DogListStepTest {
   fun setUp() {
     val context = ApplicationProvider.getApplicationContext<Application>()
     val component = ((context as AppComponentContainer).injector() as TestAppComponent)
-    component.inject(this)
-    dogListStep = dogListStepFactory.create { chosenBreed = it }
+    dogListStep = component.dogListStepFactory.create { chosenBreed = it }
     coEvery { component.api.getAllBreeds() } returns
       DogBreedsResponse(message = mapOf("akita" to emptyList()), status = "success")
   }

magellan-sample-migration/src/testAndroidViews/resources/robolectric.properties

@@ -0,0 +1,2 @@
+sdk=28
+application=com.wealthfront.magellan.sample.migration.TestSampleApplication

magellan-sample-migration/src/testCompose/java/com/wealthfront/magellan/sample/migration/tide/DogBreedsTest.kt

@@ -0,0 +1,30 @@
+package com.wealthfront.magellan.sample.migration.tide
+
+import androidx.compose.ui.test.junit4.createComposeRule
+import androidx.compose.ui.test.onChildAt
+import androidx.compose.ui.test.onNodeWithTag
+import androidx.compose.ui.test.performClick
+import com.google.common.truth.Truth.assertThat
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.robolectric.RobolectricTestRunner
+
+@RunWith(RobolectricTestRunner::class)
+class DogBreedsTest {
+
+  @get:Rule
+  val composeTestRule = createComposeRule()
+
+  @Test
+  fun goesToSelectedDogBreed() {
+    var clicked = false
+    composeTestRule.setContent {
+      DogBreeds(dogBreeds = listOf("akita"), onBreedClick = { clicked = true })
+    }
+
+    composeTestRule.onNodeWithTag("DogBreeds").onChildAt(0).performClick()
+
+    assertThat(clicked).isTrue()
+  }
+}

magellan-sample-migration/src/testCompose/java/com/wealthfront/magellan/sample/migration/tide/DogListStepTest.kt

@@ -0,0 +1,54 @@
+package com.wealthfront.magellan.sample.migration.tide
+
+import android.app.Application
+import android.os.Looper.getMainLooper
+import androidx.activity.ComponentActivity
+import androidx.compose.ui.test.junit4.createComposeRule
+import androidx.compose.ui.test.onChildAt
+import androidx.compose.ui.test.onNodeWithTag
+import androidx.compose.ui.test.performClick
+import androidx.test.core.app.ApplicationProvider
+import com.google.common.truth.Truth.assertThat
+import com.wealthfront.magellan.lifecycle.setContentScreen
+import com.wealthfront.magellan.sample.migration.AppComponentContainer
+import com.wealthfront.magellan.sample.migration.TestAppComponent
+import com.wealthfront.magellan.sample.migration.api.DogBreedsResponse
+import io.mockk.coEvery
+import org.junit.Before
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.robolectric.Robolectric
+import org.robolectric.RobolectricTestRunner
+import org.robolectric.Shadows.shadowOf
+
+@RunWith(RobolectricTestRunner::class)
+class DogListStepTest {
+
+  @get:Rule
+  val composeTestRule = createComposeRule()
+
+  private lateinit var dogListStep: DogListStep
+  private val activityController = Robolectric.buildActivity(ComponentActivity::class.java)
+
+  private var chosenBreed: String? = null
+
+  @Before
+  fun setUp() {
+    val context = ApplicationProvider.getApplicationContext<Application>()
+    val component = ((context as AppComponentContainer).injector() as TestAppComponent)
+    dogListStep = component.dogListStepFactory.create { chosenBreed = it }
+    coEvery { component.api.getAllBreeds() } returns
+      DogBreedsResponse(message = mapOf("akita" to emptyList()), status = "success")
+  }
+
+  @Test
+  fun goesToSelectedDogBreed() {
+    activityController.get().setContentScreen(dogListStep)
+    activityController.setup()
+    shadowOf(getMainLooper()).idle()
+
+    composeTestRule.onNodeWithTag("DogBreeds").onChildAt(0).performClick()
+    assertThat(chosenBreed).isEqualTo("akita")
+  }
+}