Ability to run unit tests in react-android-github via gradle

Reviewed By: mkonicek

Differential Revision: D2699804

fb-gh-sync-id: 7b31287407bacf2e8e3de6ee1c723a11bb2a0f27

ReactAndroid/build.gradle

@@ -256,6 +256,14 @@ dependencies {
     compile 'com.squareup.okhttp:okhttp-ws:2.5.0'
     compile 'com.squareup.okio:okio:1.6.0'
     compile 'org.webkit:android-jsc:r174650'
+
+    testCompile "junit:junit:${JUNIT_VERSION}"
+    testCompile "org.powermock:powermock-api-mockito:${POWERMOCK_VERSION}"
+    testCompile "org.powermock:powermock-module-junit4-rule:${POWERMOCK_VERSION}"
+    testCompile "org.powermock:powermock-classloading-xstream:${POWERMOCK_VERSION}"
+    testCompile "org.mockito:mockito-core:${MOCKITO_CORE_VERSION}"
+    testCompile "org.easytesting:fest-assert-core:${FEST_ASSERT_CORE_VERSION}"
+    testCompile("org.robolectric:robolectric:${ROBOLECTRIC_VERSION}")
 }
 
 apply from: 'release.gradle'

ReactAndroid/gradle.properties

@@ -6,3 +6,9 @@ POM_ARTIFACT_ID=react-native
 POM_PACKAGING=aar
 
 android.useDeprecatedNdk=true
+
+MOCKITO_CORE_VERSION=1.+
+POWERMOCK_VERSION=1.6.2
+ROBOLECTRIC_VERSION=3.0
+JUNIT_VERSION=4.12
+FEST_ASSERT_CORE_VERSION=2.0M10

ReactAndroid/src/test/java/com/facebook/react/modules/storage/AsyncStorageModuleTest.java

@@ -53,7 +53,7 @@
  * Tests for {@link AsyncStorageModule}.
  */
 @PrepareForTest({Arguments.class})
-@PowerMockIgnore({"org.mockito.*", "org.robolectric.*", "android.*"})
+@PowerMockIgnore({"org.mockito.*", "org.robolectric.*", "android.*", "org.json.*"})
 @RunWith(RobolectricTestRunner.class)
 public class AsyncStorageModuleTest {
 

ReactAndroid/src/test/java/com/facebook/react/modules/timing/TimingModuleTest.java

@@ -77,9 +77,9 @@ public Object answer(InvocationOnMock invocation) throws Throwable {
     PowerMockito.mockStatic(ReactChoreographer.class);
     when(ReactChoreographer.getInstance()).thenReturn(mChoreographerMock);
 
-    CatalystInstance catalystInstance = mock(CatalystInstance.class);
+    CatalystInstance reactInstance = mock(CatalystInstance.class);
     ReactApplicationContext reactContext = mock(ReactApplicationContext.class);
-    when(reactContext.getCatalystInstance()).thenReturn(catalystInstance);
+    when(reactContext.getCatalystInstance()).thenReturn(reactInstance);
 
     mCurrentTimeNs = 0;
     mPostFrameCallbackHandler = new PostFrameCallbackHandler();
@@ -92,7 +92,7 @@ public Object answer(InvocationOnMock invocation) throws Throwable {
 
     mTiming = new Timing(reactContext);
     mJSTimersMock = mock(JSTimersExecution.class);
-    when(catalystInstance.getJSModule(JSTimersExecution.class)).thenReturn(mJSTimersMock);
+    when(reactInstance.getJSModule(JSTimersExecution.class)).thenReturn(mJSTimersMock);
     mTiming.initialize();
   }
 

ReactAndroid/src/test/java/org/mockito/configuration/MockitoConfiguration.java

@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2015-present, Facebook, Inc.
+ * All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ */
+
+package org.mockito.configuration;
+
+/**
+ * Disables the Mockito cache to prevent Mockito & Robolectric bugs.
+ *
+ * Mockito loads this with reflection, so this class might appear unused.
+ */
+@SuppressWarnings("unused")
+public class MockitoConfiguration extends DefaultMockitoConfiguration {
+
+  /* (non-Javadoc)
+   * @see org.mockito.configuration.IMockitoConfiguration#enableClassCache()
+   */
+  public boolean enableClassCache() {
+    return false;
+  }
+}