Convert Vr tests to JUnit4

chrome/android/javatests/src/org/chromium/chrome/browser/vr_shell/WebVrTest.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.vr_shell;
 
 import static org.chromium.chrome.browser.vr_shell.VrUtils.POLL_TIMEOUT_SHORT_MS;
 import static org.chromium.chrome.test.util.ChromeRestriction.RESTRICTION_TYPE_VIEWER_DAYDREAM;
 import static org.chromium.chrome.test.util.ChromeRestriction.RESTRICTION_TYPE_VIEWER_NON_DAYDREAM;
 import static org.chromium.chrome.test.util.ChromeRestriction.RESTRICTION_TYPE_WEBVR_SUPPORTED;
 
 import android.os.Build;
 import android.support.test.filters.LargeTest;
 import android.support.test.filters.MediumTest;
 import android.support.test.filters.SmallTest;
 import android.widget.TextView;
 
+import org.junit.Assert;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
 import org.chromium.base.test.util.CommandLineFlags;
 import org.chromium.base.test.util.DisableIf;
 import org.chromium.base.test.util.Restriction;
 import org.chromium.chrome.R;
+import org.chromium.chrome.browser.ChromeSwitches;
+import org.chromium.chrome.test.ChromeActivityTestRule;
+import org.chromium.chrome.test.ChromeJUnit4ClassRunner;
 
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.TimeUnit;
 
 /**
  * End-to-end tests for WebVR using the WebVR test framework from VrTestBase.
  */
-@CommandLineFlags.Add("enable-webvr")
+@RunWith(ChromeJUnit4ClassRunner.class)
+@CommandLineFlags.Add({ChromeSwitches.DISABLE_FIRST_RUN_EXPERIENCE,
+        ChromeActivityTestRule.DISABLE_NETWORK_PREDICTION_FLAG, "enable-webvr"})
 @Restriction(RESTRICTION_TYPE_WEBVR_SUPPORTED)
-public class WebVrTest extends VrTestBase {
-    private static final String TAG = "WebVrTest";
+public class WebVrTest {
+    @Rule
+    public VrTestRule mVrTestRule = new VrTestRule();
 
     /**
      * Tests that a successful requestPresent call actually enters VR
      */
+    @Test
     @SmallTest
     public void testRequestPresentEntersVr() throws InterruptedException {
         String testName = "test_requestPresent_enters_vr";
-        loadUrl(getHtmlTestFile(testName), PAGE_LOAD_TIMEOUT_S);
-        assertTrue("VRDisplay found", vrDisplayFound(mWebContents));
-        enterVrTapAndWait(mWebContents);
-        assertTrue("VrShellDelegate is in VR", VrShellDelegate.isInVr());
-        endTest(mWebContents);
+        mVrTestRule.loadUrl(VrTestRule.getHtmlTestFile(testName), VrTestRule.PAGE_LOAD_TIMEOUT_S);
+        Assert.assertTrue(
+                "VRDisplay found", mVrTestRule.vrDisplayFound(mVrTestRule.getWebContents()));
+        mVrTestRule.enterVrTapAndWait(mVrTestRule.getWebContents());
+        Assert.assertTrue("VrShellDelegate is in VR", VrShellDelegate.isInVr());
+        mVrTestRule.endTest(mVrTestRule.getWebContents());
     }
 
     /**
      * Tests that scanning the Daydream View NFC tag on supported devices fires the
      * vrdisplayactivate event.
      */
+    @Test
     @SmallTest
     @Restriction(RESTRICTION_TYPE_VIEWER_DAYDREAM)
     public void testNfcFiresVrdisplayactivate() throws InterruptedException {
         String testName = "test_nfc_fires_vrdisplayactivate";
-        loadUrl(getHtmlTestFile(testName), PAGE_LOAD_TIMEOUT_S);
-        simNfcScanAndWait(mWebContents);
-        endTest(mWebContents);
+        mVrTestRule.loadUrl(VrTestRule.getHtmlTestFile(testName), VrTestRule.PAGE_LOAD_TIMEOUT_S);
+        mVrTestRule.simNfcScanAndWait(mVrTestRule.getWebContents());
+        mVrTestRule.endTest(mVrTestRule.getWebContents());
     }
 
     /**
      * Tests that screen touches are not registered when the viewer is a Daydream View.
      */
+    @Test
     @LargeTest
     @Restriction(RESTRICTION_TYPE_VIEWER_DAYDREAM)
     public void testScreenTapsNotRegisteredOnDaydream() throws InterruptedException {
         String testName = "test_screen_taps_not_registered_on_daydream";
-        loadUrl(getHtmlTestFile(testName), PAGE_LOAD_TIMEOUT_S);
-        assertTrue("VRDisplay found", vrDisplayFound(mWebContents));
-        executeStepAndWait("stepVerifyNoInitialTaps()", mWebContents);
-        enterVrTapAndWait(mWebContents);
+        mVrTestRule.loadUrl(VrTestRule.getHtmlTestFile(testName), VrTestRule.PAGE_LOAD_TIMEOUT_S);
+        Assert.assertTrue(
+                "VRDisplay found", mVrTestRule.vrDisplayFound(mVrTestRule.getWebContents()));
+        mVrTestRule.executeStepAndWait("stepVerifyNoInitialTaps()", mVrTestRule.getWebContents());
+        mVrTestRule.enterVrTapAndWait(mVrTestRule.getWebContents());
         // Wait on VrShellImpl to say that its parent consumed the touch event
         // Set to 2 because there's an ACTION_DOWN followed by ACTION_UP
         final CountDownLatch touchRegisteredLatch = new CountDownLatch(2);
         ((VrShellImpl) VrShellDelegate.getVrShellForTesting())
                 .setOnDispatchTouchEventForTesting(new OnDispatchTouchEventCallback() {
                     @Override
                     public void onDispatchTouchEvent(
                             boolean parentConsumed, boolean cardboardTriggered) {
-                        if (!parentConsumed) fail("Parent did not consume event");
-                        if (cardboardTriggered) fail("Cardboard event triggered");
+                        if (!parentConsumed) Assert.fail("Parent did not consume event");
+                        if (cardboardTriggered) Assert.fail("Cardboard event triggered");
                         touchRegisteredLatch.countDown();
                     }
                 });
-        enterVrTap();
-        assertTrue("VrShellImpl dispatched touches",
+        mVrTestRule.enterVrTap();
+        Assert.assertTrue("VrShellImpl dispatched touches",
                 touchRegisteredLatch.await(POLL_TIMEOUT_SHORT_MS, TimeUnit.MILLISECONDS));
-        executeStepAndWait("stepVerifyNoAdditionalTaps()", mWebContents);
-        endTest(mWebContents);
+        mVrTestRule.executeStepAndWait(
+                "stepVerifyNoAdditionalTaps()", mVrTestRule.getWebContents());
+        mVrTestRule.endTest(mVrTestRule.getWebContents());
     }
 
     /**
      * Tests that Daydream controller clicks are registered as screen taps when the viewer is a
      * Daydream View.
      */
+    @Test
     @LargeTest
     @Restriction(RESTRICTION_TYPE_VIEWER_DAYDREAM)
     public void testControllerClicksRegisteredAsTapsOnDaydream() throws InterruptedException {
-        EmulatedVrController controller = new EmulatedVrController(getActivity());
+        EmulatedVrController controller = new EmulatedVrController(mVrTestRule.getActivity());
         String testName = "test_screen_taps_registered";
-        loadUrl(getHtmlTestFile(testName), PAGE_LOAD_TIMEOUT_S);
-        assertTrue("VRDisplay found", vrDisplayFound(mWebContents));
-        executeStepAndWait("stepVerifyNoInitialTaps()", mWebContents);
+        mVrTestRule.loadUrl(VrTestRule.getHtmlTestFile(testName), VrTestRule.PAGE_LOAD_TIMEOUT_S);
+        Assert.assertTrue(
+                "VRDisplay found", mVrTestRule.vrDisplayFound(mVrTestRule.getWebContents()));
+        mVrTestRule.executeStepAndWait("stepVerifyNoInitialTaps()", mVrTestRule.getWebContents());
         // Tap and wait to enter VR
-        enterVrTapAndWait(mWebContents);
+        mVrTestRule.enterVrTapAndWait(mVrTestRule.getWebContents());
         // Send a controller click and wait for JavaScript to receive it
         controller.pressReleaseTouchpadButton();
-        waitOnJavaScriptStep(mWebContents);
-        endTest(mWebContents);
+        mVrTestRule.waitOnJavaScriptStep(mVrTestRule.getWebContents());
+        mVrTestRule.endTest(mVrTestRule.getWebContents());
     }
 
     /**
      * Tests that screen touches are still registered when the viewer is Cardboard.
      */
+    @Test
     @MediumTest
     @Restriction(RESTRICTION_TYPE_VIEWER_NON_DAYDREAM)
     @DisableIf.Build(message = "Flaky on L crbug.com/713781",
             sdk_is_greater_than = Build.VERSION_CODES.KITKAT,
             sdk_is_less_than = Build.VERSION_CODES.M)
     public void testScreenTapsRegisteredOnCardboard() throws InterruptedException {
         String testName = "test_screen_taps_registered";
-        loadUrl(getHtmlTestFile(testName), PAGE_LOAD_TIMEOUT_S);
-        assertTrue("VRDisplay found", vrDisplayFound(mWebContents));
-        executeStepAndWait("stepVerifyNoInitialTaps()", mWebContents);
+        mVrTestRule.loadUrl(VrTestRule.getHtmlTestFile(testName), VrTestRule.PAGE_LOAD_TIMEOUT_S);
+        Assert.assertTrue(
+                "VRDisplay found", mVrTestRule.vrDisplayFound(mVrTestRule.getWebContents()));
+        mVrTestRule.executeStepAndWait("stepVerifyNoInitialTaps()", mVrTestRule.getWebContents());
         // Tap and wait to enter VR
-        enterVrTapAndWait(mWebContents);
+        mVrTestRule.enterVrTapAndWait(mVrTestRule.getWebContents());
         // Tap and wait for JavaScript to receive it
-        enterVrTapAndWait(mWebContents);
-        endTest(mWebContents);
+        mVrTestRule.enterVrTapAndWait(mVrTestRule.getWebContents());
+        mVrTestRule.endTest(mVrTestRule.getWebContents());
     }
 
     /**
      * Tests that non-focused tabs cannot get pose information.
      */
+    @Test
     @SmallTest
     public void testPoseDataUnfocusedTab() throws InterruptedException {
         String testName = "test_pose_data_unfocused_tab";
-        loadUrl(getHtmlTestFile(testName), PAGE_LOAD_TIMEOUT_S);
-        assertTrue("VRDisplay found", vrDisplayFound(mWebContents));
-        executeStepAndWait("stepCheckFrameDataWhileFocusedTab()", mWebContents);
+        mVrTestRule.loadUrl(VrTestRule.getHtmlTestFile(testName), VrTestRule.PAGE_LOAD_TIMEOUT_S);
+        Assert.assertTrue(
+                "VRDisplay found", mVrTestRule.vrDisplayFound(mVrTestRule.getWebContents()));
+        mVrTestRule.executeStepAndWait(
+                "stepCheckFrameDataWhileFocusedTab()", mVrTestRule.getWebContents());
 
-        loadUrlInNewTab("about:blank");
+        mVrTestRule.loadUrlInNewTab("about:blank");
 
-        executeStepAndWait("stepCheckFrameDataWhileNonFocusedTab()", mWebContents);
-        endTest(mWebContents);
+        mVrTestRule.executeStepAndWait(
+                "stepCheckFrameDataWhileNonFocusedTab()", mVrTestRule.getWebContents());
+        mVrTestRule.endTest(mVrTestRule.getWebContents());
     }
 
     /**
      * Helper function to run the tests checking for the upgrade/install InfoBar being present since
      * all that differs is the value returned by VrCoreVersionChecker and a couple asserts.
      *
      * @param checkerReturnValue The value to have the VrCoreVersionChecker return
      */
     private void infoBarTestHelper(int checkerReturnValue) throws InterruptedException {
         MockVrCoreVersionCheckerImpl mockChecker = new MockVrCoreVersionCheckerImpl();
         mockChecker.setMockReturnValue(checkerReturnValue);
         VrUtils.getVrShellDelegateInstance().overrideVrCoreVersionCheckerForTesting(mockChecker);
         String testName = "generic_webvr_page";
-        loadUrl(getHtmlTestFile(testName), PAGE_LOAD_TIMEOUT_S);
+        mVrTestRule.loadUrl(VrTestRule.getHtmlTestFile(testName), VrTestRule.PAGE_LOAD_TIMEOUT_S);
         String displayFound = "VRDisplay Found";
         String barPresent = "InfoBar present";
         if (checkerReturnValue == VrCoreVersionChecker.VR_READY) {
-            assertTrue(displayFound, vrDisplayFound(mWebContents));
-            assertFalse(barPresent,
+            Assert.assertTrue(
+                    displayFound, mVrTestRule.vrDisplayFound(mVrTestRule.getWebContents()));
+            Assert.assertFalse(barPresent,
                     VrUtils.isUpdateInstallInfoBarPresent(
-                            getActivity().getWindow().getDecorView()));
+                            mVrTestRule.getActivity().getWindow().getDecorView()));
         } else if (checkerReturnValue == VrCoreVersionChecker.VR_OUT_OF_DATE
                 || checkerReturnValue == VrCoreVersionChecker.VR_NOT_AVAILABLE) {
             // Out of date and missing cases are the same, but with different text
             String expectedMessage, expectedButton;
             if (checkerReturnValue == VrCoreVersionChecker.VR_OUT_OF_DATE) {
-                expectedMessage =
-                        getActivity().getString(R.string.vr_services_check_infobar_update_text);
-                expectedButton =
-                        getActivity().getString(R.string.vr_services_check_infobar_update_button);
+                expectedMessage = mVrTestRule.getActivity().getString(
+                        R.string.vr_services_check_infobar_update_text);
+                expectedButton = mVrTestRule.getActivity().getString(
+                        R.string.vr_services_check_infobar_update_button);
             } else {
-                expectedMessage =
-                        getActivity().getString(R.string.vr_services_check_infobar_install_text);
-                expectedButton =
-                        getActivity().getString(R.string.vr_services_check_infobar_install_button);
+                expectedMessage = mVrTestRule.getActivity().getString(
+                        R.string.vr_services_check_infobar_install_text);
+                expectedButton = mVrTestRule.getActivity().getString(
+                        R.string.vr_services_check_infobar_install_button);
             }
-            assertFalse(displayFound, vrDisplayFound(mWebContents));
-            assertTrue(barPresent,
+            Assert.assertFalse(
+                    displayFound, mVrTestRule.vrDisplayFound(mVrTestRule.getWebContents()));
+            Assert.assertTrue(barPresent,
                     VrUtils.isUpdateInstallInfoBarPresent(
-                            getActivity().getWindow().getDecorView()));
-            TextView tempView = (TextView) getActivity().getWindow().getDecorView().findViewById(
-                    R.id.infobar_message);
-            assertEquals(expectedMessage, tempView.getText().toString());
-            tempView = (TextView) getActivity().getWindow().getDecorView().findViewById(
+                            mVrTestRule.getActivity().getWindow().getDecorView()));
+            TextView tempView =
+                    (TextView) mVrTestRule.getActivity().getWindow().getDecorView().findViewById(
+                            R.id.infobar_message);
+            Assert.assertEquals(expectedMessage, tempView.getText().toString());
+            tempView = (TextView) mVrTestRule.getActivity().getWindow().getDecorView().findViewById(
                     R.id.button_primary);
-            assertEquals(expectedButton, tempView.getText().toString());
+            Assert.assertEquals(expectedButton, tempView.getText().toString());
         } else if (checkerReturnValue == VrCoreVersionChecker.VR_NOT_SUPPORTED) {
-            assertFalse(displayFound, vrDisplayFound(mWebContents));
-            assertFalse(barPresent,
+            Assert.assertFalse(
+                    displayFound, mVrTestRule.vrDisplayFound(mVrTestRule.getWebContents()));
+            Assert.assertFalse(barPresent,
                     VrUtils.isUpdateInstallInfoBarPresent(
-                            getActivity().getWindow().getDecorView()));
+                            mVrTestRule.getActivity().getWindow().getDecorView()));
         } else {
-            fail("Invalid VrCoreVersionChecker value: " + String.valueOf(checkerReturnValue));
+            Assert.fail(
+                    "Invalid VrCoreVersionChecker value: " + String.valueOf(checkerReturnValue));
         }
-        assertEquals(checkerReturnValue, mockChecker.getLastReturnValue());
+        Assert.assertEquals(checkerReturnValue, mockChecker.getLastReturnValue());
     }
 
     /**
      * Tests that the upgrade/install VR Services InfoBar is not present when VR Services is
      * installed and up to date.
      */
+    @Test
     @MediumTest
     public void testInfoBarNotPresentWhenVrServicesCurrent() throws InterruptedException {
         infoBarTestHelper(VrCoreVersionChecker.VR_READY);
     }
 
     /**
      * Tests that the upgrade VR Services InfoBar is present when VR Services is outdated.
      */
+    @Test
     @MediumTest
     public void testInfoBarPresentWhenVrServicesOutdated() throws InterruptedException {
         infoBarTestHelper(VrCoreVersionChecker.VR_OUT_OF_DATE);
     }
 
     /**
      * Tests that the install VR Services InfoBar is present when VR Services is missing.
      */
+    @Test
     @MediumTest
     public void testInfoBarPresentWhenVrServicesMissing() throws InterruptedException {
         infoBarTestHelper(VrCoreVersionChecker.VR_NOT_AVAILABLE);
     }
 
     /**
      * Tests that the install VR Services InfoBar is not present when VR is not supported on the
      * device.
      */
+    @Test
     @MediumTest
     public void testInfoBarNotPresentWhenVrServicesNotSupported() throws InterruptedException {
         infoBarTestHelper(VrCoreVersionChecker.VR_NOT_SUPPORTED);
     }
 
     /**
      * Tests that the reported WebVR capabilities match expectations on the devices the WebVR tests
      * are run on continuously.
      */
+    @Test
     @MediumTest
     public void testDeviceCapabilitiesMatchExpectations() throws InterruptedException {
         String testName = "test_device_capabilities_match_expectations";
-        loadUrl(getHtmlTestFile(testName), PAGE_LOAD_TIMEOUT_S);
-        assertTrue("VRDisplayFound", vrDisplayFound(mWebContents));
-        executeStepAndWait("stepCheckDeviceCapabilities('" + Build.DEVICE + "')", mWebContents);
-        endTest(mWebContents);
+        mVrTestRule.loadUrl(VrTestRule.getHtmlTestFile(testName), VrTestRule.PAGE_LOAD_TIMEOUT_S);
+        Assert.assertTrue(
+                "VRDisplayFound", mVrTestRule.vrDisplayFound(mVrTestRule.getWebContents()));
+        mVrTestRule.executeStepAndWait("stepCheckDeviceCapabilities('" + Build.DEVICE + "')",
+                mVrTestRule.getWebContents());
+        mVrTestRule.endTest(mVrTestRule.getWebContents());
     }
 
     /**
      * Tests that focus is locked to the presenting display for purposes of VR input.
      */
+    @Test
     @MediumTest
     @DisableIf.Build(message = "Flaky on L crbug.com/713781",
             sdk_is_greater_than = Build.VERSION_CODES.KITKAT,
             sdk_is_less_than = Build.VERSION_CODES.M)
     public void testPresentationLocksFocus() throws InterruptedException {
         String testName = "test_presentation_locks_focus";
-        loadUrl(getHtmlTestFile(testName), PAGE_LOAD_TIMEOUT_S);
-        enterVrTapAndWait(mWebContents);
-        waitOnJavaScriptStep(mWebContents);
-        endTest(mWebContents);
+        mVrTestRule.loadUrl(VrTestRule.getHtmlTestFile(testName), VrTestRule.PAGE_LOAD_TIMEOUT_S);
+        mVrTestRule.enterVrTapAndWait(mVrTestRule.getWebContents());
+        mVrTestRule.waitOnJavaScriptStep(mVrTestRule.getWebContents());
+        mVrTestRule.endTest(mVrTestRule.getWebContents());
     }
 }