[Android] Add a transparent Activity in Chrome to handle Browser Action Intent

chrome/android/junit/src/org/chromium/chrome/browser/browseractions/BrowserActionActivityTest.java

+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.chrome.browser.browseractions;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+import static org.mockito.Mockito.doAnswer;
+
+import android.app.PendingIntent;
+import android.content.Context;
+import android.content.Intent;
+import android.net.Uri;
+import android.support.customtabs.browseractions.BrowserActionsIntent;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.mockito.invocation.InvocationOnMock;
+import org.mockito.stubbing.Answer;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
+
+import org.chromium.base.test.util.Feature;
+import org.chromium.testing.local.LocalRobolectricTestRunner;
+
+/**
+ * Unit tests for BrowserActionActivity.
+ */
+@RunWith(LocalRobolectricTestRunner.class)
+@Config(manifest = Config.NONE)
+public class BrowserActionActivityTest {
+    private static final String HTTP_SCHEME_TEST_URL = "http://www.example.com";
+    private static final String HTTPS_SCHEME_TEST_URL = "https://www.example.com";
+    private static final String CHROME_SCHEME_TEST_URL = "chrome://example";
+    private static final String CONTENT_SCHEME_TEST_URL = "content://example";
+
+    private BrowserActionActivity mActivity = new BrowserActionActivity();
+    private Context mContext;
+
+    @Mock
+    private PendingIntent mPendingIntent;
+
+    @Before
+    public void setUp() throws Exception {
+        MockitoAnnotations.initMocks(this);
+        mContext = RuntimeEnvironment.application;
+        Answer<String> answer = new Answer<String>() {
+            @Override
+            public String answer(InvocationOnMock invocation) {
+                return "some.other.app.package.name";
+            }
+        };
+        doAnswer(answer).when(mPendingIntent).getCreatorPackage();
+    }
+
+    @Test
+    @Feature({"BrowserActions"})
+    public void testStartedUpCorrectly() {
+        assertFalse(mActivity.isStartedUpCorrectly(null));
+        assertFalse(mActivity.isStartedUpCorrectly(new Intent()));
+
+        Intent mIntent = createBaseBrowserActionsIntent(HTTP_SCHEME_TEST_URL);
+        assertTrue(mActivity.isStartedUpCorrectly(mIntent));
+
+        mIntent = createBaseBrowserActionsIntent(HTTP_SCHEME_TEST_URL);
+        mIntent.removeExtra(BrowserActionsIntent.EXTRA_APP_ID);
+        assertFalse(mActivity.isStartedUpCorrectly(mIntent));
+
+        mIntent = createBaseBrowserActionsIntent(HTTPS_SCHEME_TEST_URL);
+        assertTrue(mActivity.isStartedUpCorrectly(mIntent));
+
+        mIntent = createBaseBrowserActionsIntent(CHROME_SCHEME_TEST_URL);
+        assertFalse(mActivity.isStartedUpCorrectly(mIntent));
+
+        mIntent = createBaseBrowserActionsIntent(CONTENT_SCHEME_TEST_URL);
+        assertFalse(mActivity.isStartedUpCorrectly(mIntent));
+
+        mIntent = createBaseBrowserActionsIntent(HTTP_SCHEME_TEST_URL);
+        mIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+        assertFalse(mActivity.isStartedUpCorrectly(mIntent));
+
+        mIntent = createBaseBrowserActionsIntent(HTTP_SCHEME_TEST_URL);
+        mIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_DOCUMENT);
+        assertFalse(mActivity.isStartedUpCorrectly(mIntent));
+    }
+
+    /**
+     * Creates a simple Intent for Browser Actions which contains a url, the {@link
+     * BrowserActionsIntent.ACTION_BROWSER_ACTIONS_OPEN} action and source package name.
+     * @param url The url for the data of the Intent.
+     * @return The simple Intent for Browser Actions.
+     */
+    private Intent createBaseBrowserActionsIntent(String url) {
+        return new BrowserActionsIntent.Builder(mContext, Uri.parse(url))
+                .build()
+                .getIntent()
+                .putExtra(BrowserActionsIntent.EXTRA_APP_ID, mPendingIntent);
+    }
+}