Added tests

Added unit and instrumented tests

app/build.gradle

@@ -4,13 +4,15 @@ apply plugin: "me.tatarka.retrolambda"
 android {
     compileSdkVersion 25
     buildToolsVersion "25.0.3"
+
     defaultConfig {
         applicationId "com.jonathnpetitfrere.mvvm"
         minSdkVersion 19
         targetSdkVersion 25
         versionCode 1
         versionName "1.0"
-        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+
+        testInstrumentationRunner "com.jonathanpetitfrere.mvvm.TestRunner"
 
         javaCompileOptions {
             annotationProcessorOptions {
@@ -51,6 +53,8 @@ ext {
     okHttpVersion = '3.8.1'
     stethoVersion = '1.5.0'
     leakCanaryVersion = '1.5.1'
+    espressoVersion = '2.2.2'
+    mockitoVersion = '2.6.3'
 }
 
 dependencies {
@@ -101,8 +105,24 @@ dependencies {
     compile 'com.andrewreitz.velcro:velcro-bindablerecycleradapter:2.0.0-SNAPSHOT'
 
     testCompile 'junit:junit:4.12'
+    testCompile "org.mockito:mockito-core:$mockitoVersion"
+    testCompile ("android.arch.core:core-testing:$architectureVersion", {
+        exclude group: 'com.android.support', module: 'support-compat'
+        exclude group: 'com.android.support', module: 'support-annotations'
+        exclude group: 'com.android.support', module: 'support-core-utils'
+    })
 
-    androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
+    androidTestCompile("com.android.support.test.espresso:espresso-core:$espressoVersion", {
         exclude group: 'com.android.support', module: 'support-annotations'
     })
+    androidTestCompile("com.android.support.test.espresso:espresso-contrib:$espressoVersion", {
+        exclude group: 'com.android.support', module: 'support-v4'
+        exclude group: 'com.android.support', module: 'appcompat-v7'
+        exclude group: 'com.android.support', module: 'design'
+        exclude group: 'com.android.support', module: 'recyclerview-v7'
+    })
+    androidTestCompile "android.arch.core:core-testing:$architectureVersion"
+    androidTestCompile "org.mockito:mockito-android:$mockitoVersion"
+
+    androidTestAnnotationProcessor "com.google.dagger:dagger-compiler:$daggerVersion"
 }

app/src/androidTest/java/com/jonathanpetitfrere/mvvm/TestApplication.java

@@ -0,0 +1,15 @@
+package com.jonathanpetitfrere.mvvm;
+
+import com.jonathanpetitfrere.mvvm.di.AppGraph;
+
+/**
+ * @author jpetit
+ */
+
+public class TestApplication extends MvvmApplication {
+
+    public void setAppGraph(AppGraph appGraph) {
+        this.component = appGraph;
+    }
+
+}

app/src/androidTest/java/com/jonathanpetitfrere/mvvm/TestRunner.java

@@ -0,0 +1,17 @@
+package com.jonathanpetitfrere.mvvm;
+
+import android.app.Application;
+import android.content.Context;
+import android.support.test.runner.AndroidJUnitRunner;
+
+/**
+ * @author jpetit
+ */
+
+public class TestRunner extends AndroidJUnitRunner {
+
+    @Override
+    public Application newApplication(ClassLoader cl, String className, Context context) throws InstantiationException, IllegalAccessException, ClassNotFoundException {
+        return super.newApplication(cl, TestApplication.class.getName(), context);
+    }
+}

app/src/androidTest/java/com/jonathanpetitfrere/mvvm/di/TestApiModule.java

@@ -0,0 +1,9 @@
+package com.jonathanpetitfrere.mvvm.di;
+
+/**
+ * @author jpetit
+ */
+
+public class TestApiModule extends ApiModule {
+
+}

app/src/androidTest/java/com/jonathanpetitfrere/mvvm/di/TestApplicationModule.java

@@ -0,0 +1,14 @@
+package com.jonathanpetitfrere.mvvm.di;
+
+import android.app.Application;
+
+/**
+ * @author jpetit
+ */
+
+public class TestApplicationModule extends ApplicationModule {
+
+    public TestApplicationModule(Application application) {
+        super(application);
+    }
+}

app/src/androidTest/java/com/jonathanpetitfrere/mvvm/di/TestComponent.java

@@ -0,0 +1,32 @@
+package com.jonathanpetitfrere.mvvm.di;
+
+import android.app.Application;
+
+import javax.inject.Singleton;
+
+import dagger.Component;
+
+/**
+ * @author jpetit
+ */
+@Singleton
+@Component(modules = {
+        ApplicationModule.class,
+        ApiModule.class,
+        RepositoryModule.class
+})
+public interface TestComponent extends AppGraph {
+
+    final class Initializer {
+
+        public static TestComponent init(Application application) {
+
+            return DaggerTestComponent.builder()
+                    .applicationModule(new TestApplicationModule(application))
+                    .repositoryModule(new TestRepositoryModule())
+                    .apiModule(new TestApiModule())
+                    .build();
+        }
+    }
+
+}

app/src/androidTest/java/com/jonathanpetitfrere/mvvm/di/TestRepositoryModule.java

@@ -0,0 +1,19 @@
+package com.jonathanpetitfrere.mvvm.di;
+
+import android.arch.persistence.room.Room;
+import android.content.Context;
+
+import com.jonathanpetitfrere.mvvm.repository.persistence.MvvmDatabase;
+
+/**
+ * @author jpetit
+ */
+
+public class TestRepositoryModule extends RepositoryModule {
+
+    @Override
+    MvvmDatabase provideMvvmDatabase(Context context) {
+        return Room.inMemoryDatabaseBuilder(context.getApplicationContext(), MvvmDatabase.class)
+                .build();
+    }
+}

app/src/androidTest/java/com/jonathanpetitfrere/mvvm/repository/persistence/dao/UserDaoTest.java

@@ -0,0 +1,89 @@
+package com.jonathanpetitfrere.mvvm.repository.persistence.dao;
+
+import android.arch.persistence.room.Room;
+import android.content.Context;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.runner.AndroidJUnit4;
+
+import com.jonathanpetitfrere.mvvm.repository.persistence.MvvmDatabase;
+import com.jonathanpetitfrere.mvvm.repository.persistence.entity.User;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * @author jpetit
+ */
+
+@RunWith(AndroidJUnit4.class)
+public class UserDaoTest {
+
+    private MvvmDatabase mvvmDatabase;
+    private UserDao userDao;
+
+    @Before
+    public void setup() {
+        Context context = InstrumentationRegistry.getInstrumentation().getTargetContext();
+        mvvmDatabase = Room.inMemoryDatabaseBuilder(context, MvvmDatabase.class).build();
+        userDao = mvvmDatabase.userDao();
+    }
+
+    @After
+    public void tearDown() {
+        mvvmDatabase.close();
+    }
+
+    @Test
+    public void saveAndLoadUserSuccess() throws InterruptedException {
+        User user = new User("john.doe@gmail.com", "John", "Doe");
+        userDao.saveUser(user);
+
+        userDao.loadUser(user.getEmail())
+                .take(1)
+                .test()
+                .await()
+                .assertResult(user);
+    }
+
+    @Test
+    public void saveAndLoadMultipleUsersSuccess() throws InterruptedException {
+        User userOne = new User("john.doe@gmail.com", "John", "Doe");
+        User userTwo = new User("jane.doe@gmail.com", "Jane", "Doe");
+
+        List<User> users = new ArrayList<>();
+        users.add(userOne);
+        users.add(userTwo);
+
+        for(User user : users) {
+            userDao.saveUser(user);
+        }
+
+        //noinspection unchecked
+        userDao.loadUsers()
+                .take(1)
+                .test()
+                .await()
+                .assertResult(users);
+    }
+
+
+    @Test
+    public void saveAndLoadUserUpdateFirstNameSuccess() throws InterruptedException {
+        User user = new User("john.doe@gmail.com", "John", "Doe");
+
+        userDao.saveUser(user);
+        user = new User(user.getEmail(), "Johnny", user.getLastName());
+        userDao.saveUser(user);
+
+        userDao.loadUser(user.getEmail())
+                .take(1)
+                .test()
+                .await()
+                .assertResult(user);
+    }
+}

app/src/androidTest/java/com/jonathanpetitfrere/mvvm/ui/main/MainActivityTest.java

@@ -0,0 +1,69 @@
+package com.jonathanpetitfrere.mvvm.ui.main;
+
+import android.os.SystemClock;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.rule.ActivityTestRule;
+import android.support.test.runner.AndroidJUnit4;
+
+import com.jonathanpetitfrere.mvvm.R;
+import com.jonathanpetitfrere.mvvm.TestApplication;
+import com.jonathanpetitfrere.mvvm.di.TestComponent;
+
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.junit.MockitoJUnit;
+import org.mockito.junit.MockitoRule;
+
+import static android.support.test.espresso.Espresso.onView;
+import static android.support.test.espresso.action.ViewActions.click;
+import static android.support.test.espresso.action.ViewActions.typeText;
+import static android.support.test.espresso.matcher.ViewMatchers.withId;
+import static junit.framework.Assert.assertEquals;
+
+/**
+ * @author jpetit
+ */
+
+@RunWith(AndroidJUnit4.class)
+public class MainActivityTest {
+
+    @Rule
+    public final ActivityTestRule<MainActivity> activityTestRule = new ActivityTestRule<>(MainActivity.class, false, false);
+
+    @Before
+    public void setup() {
+        TestApplication application = ((TestApplication) InstrumentationRegistry.getTargetContext().getApplicationContext());
+        TestComponent component = TestComponent.Initializer.init(application);
+        application.setAppGraph(component);
+        activityTestRule.launchActivity(null);
+    }
+
+    @Test
+    public void enterUserDataAndCreateUser() {
+        String email = "John.doe@gmail.com";
+        String firstName = "John";
+        String lastName = "Doe";
+
+        onView(withId(R.id.main_email_input))
+                .perform(typeText(email));
+
+        onView(withId(R.id.main_first_name_input))
+                .perform(typeText(firstName));
+
+        onView(withId(R.id.main_last_name_input))
+                .perform(typeText(lastName));
+
+        onView(withId(R.id.main_create_button))
+                .perform(click());
+
+        MainActivity activity = activityTestRule.getActivity();
+        UserListItemView view = (UserListItemView) activity.recyclerView.getChildAt(0);
+
+        assertEquals("email == email", email, view.emailText.getText().toString());
+        assertEquals("firstName == firstName", firstName, view.firstNameText.getText().toString());
+        assertEquals("lastName == lastName", lastName, view.lastNameText.getText().toString());
+    }
+
+}