Migrate data unit tests to robolectric 3. Use android unit test support feature.

Author: android10

build.gradle

@@ -26,11 +26,19 @@ task wrapper(type: Wrapper) {
   gradleVersion '2.4'
 }
 
-task runAcceptanceTests(dependsOn: [':presentation:connectedAndroidTest']) {
-  description 'Run application acceptance tests.'
+task runDomainUnitTests(dependsOn: [':domain:test']) {
+  description 'Run unit tests for both domain and data layers.'
+}
+
+task runDataUnitTests(dependsOn: [':data:cleanTestDebug', ':data:testDebug']) {
+  description 'Run unit tests for both domain and data layers.'
 }
 
-task runUnitTests(dependsOn: [':domain:test', ':data-test:test']) {
+task runUnitTests(dependsOn: ['runDomainUnitTests', 'runDataUnitTests']) {
   description 'Run unit tests for both domain and data layers.'
 }
 
+task runAcceptanceTests(dependsOn: [':presentation:connectedAndroidTest']) {
+  description 'Run application acceptance tests.'
+}
+

buildsystem/dependencies.gradle

@@ -23,8 +23,9 @@ ext {
   androidAnnotationsVersion = '20.0.0'
 
   //Testing
-  robolectricVersion = '2.4'
-  jUnitVersion = '4.11'
+  robolectricVersion = '3.0-rc3'
+  jUnitVersion = '4.12'
+  assertJVersion = '1.7.1'
   mockitoVersion = '1.9.5'
   dexmakerVersion = '1.0'
   espressoVersion = '2.0'
@@ -74,6 +75,7 @@ ext {
 
   dataTestDependencies = [
       junit:              "junit:junit:${jUnitVersion}",
+      assertj:            "org.assertj:assertj-core:${assertJVersion}",
       mockito:            "org.mockito:mockito-core:${mockitoVersion}",
       robolectric:        "org.robolectric:robolectric:${robolectricVersion}",
   ]

data/build.gradle

@@ -51,9 +51,9 @@ android {
 
 dependencies {
   def dataDependencies = rootProject.ext.dataDependencies
+  def testDependencies = rootProject.ext.dataTestDependencies
 
   compile project(':domain')
-
   apt dataDependencies.daggerCompiler
   provided dataDependencies.javaxAnnotation
   compile dataDependencies.dagger
@@ -62,4 +62,9 @@ dependencies {
   compile dataDependencies.rxJava
   compile dataDependencies.rxAndroid
   compile dataDependencies.androidAnnotations
+
+  testCompile testDependencies.junit
+  testCompile testDependencies.assertj
+  testCompile testDependencies.mockito
+  testCompile testDependencies.robolectric
 }

data/src/test/java/com/fernandocejas/android10/sample/data/ApplicationStub.java

@@ -0,0 +1,20 @@
+/**
+ * Copyright (C) 2015 android10.org Open Source Project
+ *
+ * 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.fernandocejas.android10.sample.data;
+
+import android.app.Application;
+
+public class ApplicationStub extends Application {}

data/src/test/java/com/fernandocejas/android10/sample/data/ApplicationTestCase.java

@@ -0,0 +1,28 @@
+/**
+ * Copyright (C) 2015 Fernando Cejas Open Source Project
+ *
+ * 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.fernandocejas.android10.sample.data;
+
+import org.junit.runner.RunWith;
+import org.robolectric.RobolectricGradleTestRunner;
+import org.robolectric.annotation.Config;
+
+/**
+ * Base class for Robolectric data layer tests.
+ * Inherit from this class to create a test.
+ */
+@RunWith(RobolectricGradleTestRunner.class)
+@Config(constants = BuildConfig.class, application = ApplicationStub.class)
+public abstract class ApplicationTestCase {}

data/src/test/java/com/fernandocejas/android10/sample/data/cache/FileManagerTest.java

@@ -0,0 +1,74 @@
+/**
+ * Copyright (C) 2015 Fernando Cejas Open Source Project
+ *
+ * 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.fernandocejas.android10.sample.data.cache;
+
+import com.fernandocejas.android10.sample.data.ApplicationTestCase;
+import java.io.File;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.robolectric.RuntimeEnvironment;
+
+import static org.hamcrest.CoreMatchers.equalTo;
+import static org.hamcrest.CoreMatchers.is;
+import static org.hamcrest.MatcherAssert.assertThat;
+
+public class FileManagerTest extends ApplicationTestCase {
+
+  private FileManager fileManager;
+  private File cacheDir;
+
+  @Before
+  public void setUp() {
+    fileManager = new FileManager();
+    cacheDir = RuntimeEnvironment.application.getCacheDir();
+  }
+
+  @After
+  public void tearDown() {
+    if (cacheDir != null) {
+      fileManager.clearDirectory(cacheDir);
+    }
+  }
+
+  @Test
+  public void testWriteToFile() {
+    File fileToWrite = createDummyFile();
+    String fileContent = "content";
+
+    fileManager.writeToFile(fileToWrite, fileContent);
+
+    assertThat(fileToWrite.exists(), is(true));
+  }
+
+  @Test
+  public void testFileContent() {
+    File fileToWrite = createDummyFile();
+    String fileContent = "content\n";
+
+    fileManager.writeToFile(fileToWrite, fileContent);
+    String expectedContent = fileManager.readFileContent(fileToWrite);
+
+    assertThat(expectedContent, is(equalTo(fileContent)));
+  }
+
+  private File createDummyFile() {
+    String dummyFilePath = cacheDir.getPath() + File.separator + "dumyFile";
+    File dummyFile = new File(dummyFilePath);
+
+    return dummyFile;
+  }
+}

data/src/test/java/com/fernandocejas/android10/sample/data/cache/serializer/JsonSerializerTest.java

@@ -0,0 +1,64 @@
+/**
+ * Copyright (C) 2015 Fernando Cejas Open Source Project
+ *
+ * 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.fernandocejas.android10.sample.data.cache.serializer;
+
+import com.fernandocejas.android10.sample.data.ApplicationTestCase;
+import com.fernandocejas.android10.sample.data.entity.UserEntity;
+import org.junit.Before;
+import org.junit.Test;
+
+import static org.hamcrest.CoreMatchers.equalTo;
+import static org.hamcrest.CoreMatchers.is;
+import static org.junit.Assert.assertThat;
+
+public class JsonSerializerTest extends ApplicationTestCase {
+
+  private static final String JSON_RESPONSE = "{\n"
+      + "    \"id\": 1,\n"
+      + "    \"cover_url\": \"http://www.android10.org/myapi/cover_1.jpg\",\n"
+      + "    \"full_name\": \"Simon Hill\",\n"
+      + "    \"description\": \"Curabitur gravida nisi at nibh. In hac habitasse platea dictumst. Aliquam augue quam, sollicitudin vitae, consectetuer eget, rutrum at, lorem.\\n\\nInteger tincidunt ante vel ipsum. Praesent blandit lacinia erat. Vestibulum sed magna at nunc commodo placerat.\\n\\nPraesent blandit. Nam nulla. Integer pede justo, lacinia eget, tincidunt eget, tempus vel, pede.\",\n"
+      + "    \"followers\": 7484,\n"
+      + "    \"email\": \"[email protected]\"\n"
+      + "}";
+
+  private JsonSerializer jsonSerializer;
+
+  @Before
+  public void setUp() {
+    jsonSerializer = new JsonSerializer();
+  }
+
+  @Test
+  public void testSerializeHappyCase() {
+    UserEntity userEntityOne = jsonSerializer.deserialize(JSON_RESPONSE);
+    String jsonString = jsonSerializer.serialize(userEntityOne);
+    UserEntity userEntityTwo = jsonSerializer.deserialize(jsonString);
+
+    assertThat(userEntityOne.getUserId(), is(userEntityTwo.getUserId()));
+    assertThat(userEntityOne.getFullname(), is(equalTo(userEntityTwo.getFullname())));
+    assertThat(userEntityOne.getFollowers(), is(userEntityTwo.getFollowers()));
+  }
+
+  @Test
+  public void testDesearializeHappyCase() {
+    UserEntity userEntity = jsonSerializer.deserialize(JSON_RESPONSE);
+
+    assertThat(userEntity.getUserId(), is(1));
+    assertThat(userEntity.getFullname(), is("Simon Hill"));
+    assertThat(userEntity.getFollowers(), is(7484));
+  }
+}

data/src/test/java/com/fernandocejas/android10/sample/data/entity/mapper/UserEntityDataMapperTest.java

@@ -0,0 +1,77 @@
+/**
+ * Copyright (C) 2015 Fernando Cejas Open Source Project
+ *
+ * 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.fernandocejas.android10.sample.data.entity.mapper;
+
+import com.fernandocejas.android10.sample.data.ApplicationTestCase;
+import com.fernandocejas.android10.sample.data.entity.UserEntity;
+import com.fernandocejas.android10.sample.domain.User;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+import org.junit.Before;
+import org.junit.Test;
+
+import static org.hamcrest.CoreMatchers.instanceOf;
+import static org.hamcrest.CoreMatchers.is;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.mockito.Mockito.mock;
+
+public class UserEntityDataMapperTest extends ApplicationTestCase {
+
+  private static final int FAKE_USER_ID = 123;
+  private static final String FAKE_FULLNAME = "Tony Stark";
+
+  private UserEntityDataMapper userEntityDataMapper;
+
+  @Before
+  public void setUp() throws Exception {
+    userEntityDataMapper = new UserEntityDataMapper();
+  }
+
+  @Test
+  public void testTransformUserEntity() {
+    UserEntity userEntity = createFakeUserEntity();
+    User user = userEntityDataMapper.transform(userEntity);
+
+    assertThat(user, is(instanceOf(User.class)));
+    assertThat(user.getUserId(), is(FAKE_USER_ID));
+    assertThat(user.getFullName(), is(FAKE_FULLNAME));
+  }
+
+  @Test
+  public void testTransformUserEntityCollection() {
+    UserEntity mockUserEntityOne = mock(UserEntity.class);
+    UserEntity mockUserEntityTwo = mock(UserEntity.class);
+
+    List<UserEntity> userEntityList = new ArrayList<UserEntity>(5);
+    userEntityList.add(mockUserEntityOne);
+    userEntityList.add(mockUserEntityTwo);
+
+    Collection<User> userCollection = userEntityDataMapper.transform(userEntityList);
+
+    assertThat(userCollection.toArray()[0], is(instanceOf(User.class)));
+    assertThat(userCollection.toArray()[1], is(instanceOf(User.class)));
+    assertThat(userCollection.size(), is(2));
+  }
+
+  private UserEntity createFakeUserEntity() {
+    UserEntity userEntity = new UserEntity();
+    userEntity.setUserId(FAKE_USER_ID);
+    userEntity.setFullname(FAKE_FULLNAME);
+
+    return userEntity;
+  }
+}