Feature/test navigation in feature module

DynamicFeatureNavigation/XML/app/build.gradle.kts

@@ -40,11 +40,21 @@ android {
         }
     }
 
+    useLibrary("android.test.runner")
+    useLibrary("android.test.base")
+    useLibrary("android.test.mock")
+
+    testOptions.unitTests.isIncludeAndroidResources = true
+
     compileOptions {
         sourceCompatibility = JavaVersion.VERSION_1_8
         targetCompatibility = JavaVersion.VERSION_1_8
     }
 
+    kotlinOptions {
+        jvmTarget = JavaVersion.VERSION_1_8.toString()
+    }
+
     dynamicFeatures = mutableSetOf(":dynamicfeature", ":includedgraphfeature")
 
     packagingOptions {
@@ -54,8 +64,20 @@ android {
 
 dependencies {
     api("androidx.navigation:navigation-dynamic-features-fragment:2.3.0")
-    api("androidx.appcompat:appcompat:1.1.0")
+    api("androidx.appcompat:appcompat:1.2.0")
     api("androidx.constraintlayout:constraintlayout:1.1.3")
+
+    // Testing
+    debugImplementation("androidx.fragment:fragment-testing:1.2.5")
+
+    // Testing - JVM
+    testImplementation("androidx.test.ext:junit:1.1.1")
+    testImplementation("androidx.test.ext:truth:1.2.0")
+    testImplementation("org.robolectric:robolectric:4.3.1")
+    testImplementation("androidx.test.espresso:espresso-core:3.2.0")
+    testImplementation("androidx.test.espresso:espresso-contrib:3.2.0")
+    testImplementation("androidx.test.espresso:espresso-intents:3.2.0")
+    testImplementation("androidx.navigation:navigation-testing:2.3.0")
 }
 
 val bundletoolJar = project.rootDir.resolve("third_party/bundletool/bundletool-all-0.13.0.jar")

DynamicFeatureNavigation/XML/app/src/test/java/com/google/android/samples/dynamicnavigator/MainFragmentTest.kt

@@ -0,0 +1,61 @@
+/*
+ * Copyright 2020 Google LLC.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.android.samples.dynamicnavigator
+
+import androidx.fragment.app.testing.launchFragmentInContainer
+import androidx.navigation.Navigation
+import androidx.navigation.testing.TestNavHostController
+import androidx.test.core.app.ApplicationProvider
+import androidx.test.espresso.Espresso.onView
+import androidx.test.espresso.action.ViewActions.click
+import androidx.test.espresso.matcher.ViewMatchers.withId
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.filters.MediumTest
+import org.junit.Assert
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.robolectric.annotation.Config
+
+@Config(manifest = Config.NONE)
+@RunWith(AndroidJUnit4::class)
+@MediumTest
+class MainFragmentTest {
+
+    @Test
+    fun testNavigationToDefaultMonitor() {
+        // Given
+        val navController = TestNavHostController(ApplicationProvider.getApplicationContext())
+        navController.setGraph(R.navigation.nav_graph)
+        navController.setCurrentDestination(R.id.mainFragment)
+
+        launchFragmentInContainer {
+            MainFragment().also { fragment ->
+                fragment.viewLifecycleOwnerLiveData.observeForever { viewLifecycleOwner ->
+                    if (viewLifecycleOwner != null) {
+                        Navigation.setViewNavController(fragment.requireView(), navController)
+                    }
+                }
+            }
+        }
+
+        // When
+        onView(withId(R.id.default_monitor)).perform(click())
+
+        // Then
+        Assert.assertEquals(R.id.defaultMonitorFragment, navController.currentDestination?.id)
+    }
+}

DynamicFeatureNavigation/XML/app/src/test/resources/robolectric.properties

@@ -0,0 +1 @@
+sdk=28

DynamicFeatureNavigation/XML/build.gradle.kts

@@ -23,7 +23,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath("com.android.tools.build:gradle:4.1.0-alpha08")
+        classpath("com.android.tools.build:gradle:4.1.0-rc01")
         classpath("org.jetbrains.kotlin:kotlin-gradle-plugin:1.3.61")
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files

DynamicFeatureNavigation/XML/dynamicfeature/build.gradle.kts

@@ -32,8 +32,24 @@ android {
         sourceCompatibility = JavaVersion.VERSION_1_8
         targetCompatibility = JavaVersion.VERSION_1_8
     }
+
+    kotlinOptions {
+        jvmTarget = JavaVersion.VERSION_1_8.toString()
+    }
 }
 
 dependencies {
     implementation(project(":app"))
+
+    // Testing
+    debugImplementation("androidx.fragment:fragment-testing:1.2.5")
+
+    // Testing - JVM
+    testImplementation("androidx.test.ext:junit:1.1.1")
+    testImplementation("androidx.test.ext:truth:1.2.0")
+    testImplementation("org.robolectric:robolectric:4.3.1")
+    testImplementation("androidx.test.espresso:espresso-core:3.2.0")
+    testImplementation("androidx.test.espresso:espresso-contrib:3.2.0")
+    testImplementation("androidx.test.espresso:espresso-intents:3.2.0")
+    testImplementation("androidx.navigation:navigation-testing:2.3.0")
 }

DynamicFeatureNavigation/XML/dynamicfeature/src/test/java/com/google/android/samples/dynamicnavigator/feature/FeatureFragmentTest.kt

@@ -0,0 +1,62 @@
+/*
+ * Copyright 2020 Google LLC.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.android.samples.dynamicnavigator.feature
+
+import androidx.fragment.app.testing.launchFragmentInContainer
+import androidx.navigation.Navigation
+import androidx.navigation.testing.TestNavHostController
+import androidx.test.core.app.ApplicationProvider
+import androidx.test.espresso.Espresso.onView
+import androidx.test.espresso.action.ViewActions.click
+import androidx.test.espresso.matcher.ViewMatchers.withId
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import androidx.test.filters.MediumTest
+import org.junit.Assert
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.robolectric.annotation.Config
+import com.google.android.samples.dynamicnavigator.R as baseR
+
+@Config(manifest = Config.NONE)
+@RunWith(AndroidJUnit4::class)
+@MediumTest
+class FeatureFragmentTest {
+
+    @Test
+    fun testNavigationToIncludedGraph() {
+        // Given
+        val navController = TestNavHostController(ApplicationProvider.getApplicationContext())
+        navController.setGraph(R.navigation.feature_nav)
+        navController.setCurrentDestination(R.id.featureFragmentNested)
+
+        launchFragmentInContainer {
+            FeatureFragment().also { fragment ->
+                fragment.viewLifecycleOwnerLiveData.observeForever { viewLifecycleOwner ->
+                    if (viewLifecycleOwner != null) {
+                        Navigation.setViewNavController(fragment.requireView(), navController)
+                    }
+                }
+            }
+        }
+
+        // When
+        onView(withId(R.id.navigateToIncludedGraphFeature)).perform(click())
+
+        // Then
+        Assert.assertEquals(baseR.id.includedGraph, navController.currentDestination?.id)
+    }
+}