Release React Native for Android

This is an early release and there are several things that are known
not to work if you're porting your iOS app to Android.

See the Known Issues guide on the website.

We will work with the community to reach platform parity with iOS.

react-native-gradle/src/test/java/com/facebook/react/PackageJSTasksTest.java

@@ -0,0 +1,85 @@
+package com.facebook.react;
+
+import java.io.File;
+import java.io.IOException;
+import java.net.URISyntaxException;
+
+import com.squareup.okhttp.mockwebserver.MockResponse;
+import com.squareup.okhttp.mockwebserver.MockWebServer;
+import com.squareup.okhttp.mockwebserver.RecordedRequest;
+import org.apache.commons.io.FileUtils;
+import org.apache.commons.io.FilenameUtils;
+import org.gradle.api.Action;
+import org.gradle.api.Project;
+import org.gradle.api.Task;
+import org.gradle.testfixtures.ProjectBuilder;
+import org.junit.Before;
+import org.junit.Test;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+public class PackageJSTasksTest {
+
+  private MockWebServer server;
+  private Project project;
+
+  @Before
+  public void setupMocks() throws IOException {
+    server = new MockWebServer();
+    server.enqueue(new MockResponse().setBody("This is some javascript"));
+    server.start();
+
+    project = ProjectBuilder.builder().build();
+    project.getPlugins().apply("com.facebook.react");
+    project.getExtensions().configure(
+        ReactGradleExtension.class,
+        new Action<ReactGradleExtension>() {
+          @Override
+          public void execute(ReactGradleExtension config) {
+            config.setPackagerHost(server.getHostName() + ":" + server.getPort());
+            config.setBundleFileName("test.js");
+            config.setBundlePath("/test.bundle");
+          }
+        });
+  }
+
+  @Test
+  public void packageDebugJS() throws IOException, URISyntaxException, InterruptedException {
+    Task task = project.getTasks().findByName("packageDebugJS");
+    assertTrue(task != null && task instanceof PackageDebugJsTask);
+
+    ((PackageDebugJsTask) task).packageJS();
+
+    RecordedRequest request = server.takeRequest();
+    assertEquals(
+        "/test.bundle?dev=true&inlineSourceMap=false&minify=false&runModule=true",
+        request.getPath());
+    assertEquals(
+        "This is some javascript",
+        FileUtils.readFileToString(
+            new File(
+                project.getProjectDir(),
+                FilenameUtils.separatorsToSystem("build/intermediates/assets/debug/test.js"))));
+  }
+
+  @Test
+  public void packageReleaseJS() throws IOException, URISyntaxException, InterruptedException {
+    Task task = project.getTasks().findByName("packageReleaseJS");
+    assertTrue(task != null && task instanceof PackageReleaseJsTask);
+
+    ((PackageReleaseJsTask) task).packageJS();
+
+    RecordedRequest request = server.takeRequest();
+    assertEquals(
+        "/test.bundle?dev=false&inlineSourceMap=false&minify=true&runModule=true",
+        request.getPath());
+    assertEquals(
+        "This is some javascript",
+        FileUtils.readFileToString(
+            new File(
+                project.getProjectDir(),
+                FilenameUtils.separatorsToSystem("build/intermediates/assets/release/test.js"))));
+  }
+
+}

react-native-gradle/src/test/java/com/facebook/react/ReactGradlePluginTest.java

@@ -0,0 +1,26 @@
+package com.facebook.react;
+
+import org.gradle.api.Project;
+import org.gradle.testfixtures.ProjectBuilder;
+import org.junit.Test;
+
+import static org.junit.Assert.assertTrue;
+
+public class ReactGradlePluginTest {
+  @Test
+  public void addsTasksToProject() {
+    Project project = ProjectBuilder.builder().build();
+    project.getPlugins().apply("com.facebook.react");
+
+    assertTrue(project.getTasks().getByName("packageDebugJS") instanceof PackageDebugJsTask);
+    assertTrue(project.getTasks().getByName("packageReleaseJS") instanceof PackageReleaseJsTask);
+  }
+
+  @Test
+  public void addsExtensionToProject() {
+    Project project = ProjectBuilder.builder().build();
+    project.getPlugins().apply("com.facebook.react");
+
+    assertTrue(project.getExtensions().getByName("react") instanceof ReactGradleExtension);
+  }
+}