Reland of Add integration tests for WebAPKs

chrome/android/javatests/src/org/chromium/chrome/browser/webapps/WebApkIntegrationTest.java

Index: chrome/android/javatests/src/org/chromium/chrome/browser/webapps/WebApkIntegrationTest.java
diff --git a/chrome/android/javatests/src/org/chromium/chrome/browser/webapps/WebApkIntegrationTest.java b/chrome/android/javatests/src/org/chromium/chrome/browser/webapps/WebApkIntegrationTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..14c79254162110ea937ac3a993d73537dffc2a6a
--- /dev/null
+++ b/chrome/android/javatests/src/org/chromium/chrome/browser/webapps/WebApkIntegrationTest.java
@@ -0,0 +1,87 @@
+// 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.webapps;
+
+import android.content.Intent;
+import android.support.test.filters.LargeTest;
+
+import org.chromium.base.test.util.Feature;
+import org.chromium.base.test.util.ScalableTimeout;
+import org.chromium.chrome.browser.ShortcutHelper;
+import org.chromium.chrome.test.ChromeActivityTestCaseBase;
+import org.chromium.chrome.test.util.ChromeTabUtils;
+import org.chromium.content.browser.test.util.Criteria;
+import org.chromium.content.browser.test.util.CriteriaHelper;
+import org.chromium.net.test.EmbeddedTestServer;
+
+/** Integration tests for WebAPK feature. */
+public class WebApkIntegrationTest extends ChromeActivityTestCaseBase<WebApkActivity> {
+    private static final long STARTUP_TIMEOUT = ScalableTimeout.scaleTimeout(10000);
+
+    private EmbeddedTestServer mTestServer;
+
+    public WebApkIntegrationTest() {
+        super(WebApkActivity.class);
+    }
+
+    public void startWebApkActivity(String webApkPackageName, final String startUrl)
+            throws InterruptedException {
+        Intent intent = new Intent(getInstrumentation().getTargetContext(), WebApkActivity.class);
+        intent.putExtra(ShortcutHelper.EXTRA_WEBAPK_PACKAGE_NAME, webApkPackageName);
+        intent.putExtra(ShortcutHelper.EXTRA_URL, startUrl);
+        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+        setActivity(getInstrumentation().startActivitySync(intent));
+        getInstrumentation().waitForIdleSync();
+
+        CriteriaHelper.pollInstrumentationThread(new Criteria() {
+            @Override
+            public boolean isSatisfied() {
+                return getActivity().getActivityTab() != null;
+            }
+        }, STARTUP_TIMEOUT, CriteriaHelper.DEFAULT_POLLING_INTERVAL);
+
+        ChromeTabUtils.waitForTabPageLoaded(getActivity().getActivityTab(), startUrl);
+    }
+
+    /** Waits for the splash screen to be hidden. */
+    public void waitUntilSplashscreenHides() {
+        CriteriaHelper.pollInstrumentationThread(new Criteria() {
+            @Override
+            public boolean isSatisfied() {
+                return !getActivity().isSplashScreenVisibleForTests();
+            }
+        });
+    }
+
+    @Override
+    public final void startMainActivity() throws InterruptedException {
+        // Do nothing
+    }
+
+    @Override
+    protected void setUp() throws Exception {
+        super.setUp();
+        mTestServer = EmbeddedTestServer.createAndStartServer(getInstrumentation().getContext());
+        WebApkUpdateManager.setUpdatesEnabledForTesting(false);
+    }
+
+    @Override
+    protected void tearDown() throws Exception {
+        mTestServer.stopAndDestroyServer();
+        super.tearDown();
+    }
+
+    /**
+     * Test launching a WebAPK. Test that loading the start page works and that the splashscreen
+     * eventually hides.
+     */
+    @LargeTest
+    @Feature({"WebApk"})
+    public void testLaunch() throws InterruptedException {
+        startWebApkActivity("org.chromium.webapk.test",
+                mTestServer.getURL("/chrome/test/data/android/test.html"));
+        waitUntilSplashscreenHides();
+    }
+}