Video Tutorials : Added video IPH coordinator test

This CL adds java tests for video tutorial IPH card.

Bug: 1134117
Change-Id: I3096c1c31729fb90a896ce237e0f3c25e6e2a8cc
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2442380Reviewed-by: Fred Mello <fredmello@chromium.org>
Commit-Queue: Shakti Sahu <shaktisahu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#812801}

chrome/browser/video_tutorials/internal/BUILD.gn

@@ -163,11 +163,15 @@ if (is_android) {
   android_library("javatests") {
     testonly = true
 
-    sources = [ "android/java/src/org/chromium/chrome/browser/video_tutorials/languages/LanguagePickerTest.java" ]
+    sources = [
+      "android/java/src/org/chromium/chrome/browser/video_tutorials/iph/VideoIPHTest.java",
+      "android/java/src/org/chromium/chrome/browser/video_tutorials/languages/LanguagePickerTest.java",
+    ]
     deps = [
       ":java",
       "//base:base_java",
       "//base:base_java_test_support",
+      "//chrome/browser/image_fetcher:java",
       "//chrome/browser/video_tutorials:java",
       "//chrome/browser/video_tutorials:test_support_java",
       "//chrome/test/android:chrome_java_test_support",
@@ -176,6 +180,7 @@ if (is_android) {
       "//third_party/android_deps:androidx_test_runner_java",
       "//third_party/android_deps:espresso_java",
       "//third_party/android_support_test_runner:rules_java",
+      "//third_party/gif_player:gif_player_java",
       "//third_party/hamcrest:hamcrest_core_java",
       "//third_party/junit",
       "//third_party/mockito:mockito_java",

chrome/browser/video_tutorials/internal/android/java/src/org/chromium/chrome/browser/video_tutorials/iph/VideoIPHTest.java

+// Copyright 2020 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.video_tutorials.iph;
+
+import static androidx.test.espresso.Espresso.onView;
+import static androidx.test.espresso.assertion.ViewAssertions.matches;
+import static androidx.test.espresso.matcher.ViewMatchers.isDisplayed;
+import static androidx.test.espresso.matcher.ViewMatchers.withId;
+import static androidx.test.espresso.matcher.ViewMatchers.withText;
+
+import android.app.Activity;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.support.test.rule.ActivityTestRule;
+import android.view.ViewStub;
+import android.widget.FrameLayout;
+
+import androidx.annotation.Nullable;
+import androidx.test.espresso.action.ViewActions;
+import androidx.test.filters.SmallTest;
+
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.Mockito;
+import org.mockito.MockitoAnnotations;
+
+import org.chromium.base.Callback;
+import org.chromium.chrome.browser.image_fetcher.ImageFetcher;
+import org.chromium.chrome.browser.image_fetcher.ImageFetcherConfig;
+import org.chromium.chrome.browser.video_tutorials.FeatureType;
+import org.chromium.chrome.browser.video_tutorials.R;
+import org.chromium.chrome.browser.video_tutorials.Tutorial;
+import org.chromium.chrome.test.ChromeJUnit4ClassRunner;
+import org.chromium.content_public.browser.test.util.TestThreadUtils;
+import org.chromium.ui.test.util.DummyUiActivity;
+
+import jp.tomorrowkey.android.gifplayer.BaseGifImage;
+
+/**
+ * Tests for {@link LanguagePickerCoordinator}.
+ */
+@RunWith(ChromeJUnit4ClassRunner.class)
+public class VideoIPHTest {
+    @Rule
+    public ActivityTestRule<DummyUiActivity> mActivityTestRule =
+            new ActivityTestRule<>(DummyUiActivity.class);
+
+    private Activity mActivity;
+    private VideoIPHCoordinator mCoordinator;
+
+    @Mock
+    private Callback<Tutorial> mOnClickListener;
+    @Mock
+    private Callback<Tutorial> mOnDismissListener;
+
+    @Before
+    public void setUp() throws Exception {
+        MockitoAnnotations.initMocks(this);
+        mActivity = mActivityTestRule.getActivity();
+        TestThreadUtils.runOnUiThreadBlocking(() -> {
+            FrameLayout parentView = new FrameLayout(mActivity);
+            mActivity.setContentView(parentView);
+            ViewStub viewStub = new ViewStub(mActivity);
+            viewStub.setLayoutResource(R.layout.video_tutorial_iph_card);
+            parentView.addView(viewStub);
+
+            Bitmap testImage = BitmapFactory.decodeResource(mActivity.getResources(),
+                    org.chromium.chrome.browser.video_tutorials.R.drawable.btn_close);
+            TestImageFetcher imageFetcher = new TestImageFetcher(testImage);
+            mCoordinator = new VideoIPHCoordinatorImpl(
+                    viewStub, imageFetcher, mOnClickListener, mOnDismissListener);
+        });
+    }
+
+    @Test
+    @SmallTest
+    public void testShowIPH() {
+        final Tutorial tutorial = createDummyTutorial();
+        TestThreadUtils.runOnUiThreadBlocking(() -> { mCoordinator.showVideoIPH(tutorial); });
+        onView(withText(tutorial.displayTitle)).check(matches(isDisplayed()));
+        onView(withText("5:35")).check(matches(isDisplayed()));
+        onView(withText(tutorial.displayTitle)).perform(ViewActions.click());
+        Mockito.verify(mOnClickListener).onResult(Mockito.any());
+        onView(withId(R.id.close_button)).perform(ViewActions.click());
+        Mockito.verify(mOnDismissListener).onResult(Mockito.any());
+    }
+
+    private Tutorial createDummyTutorial() {
+        return new Tutorial(FeatureType.DOWNLOAD,
+                "How to use Google Chrome's download functionality",
+                "https://xyz.example.com/xyz.mp4", "https://xyz.example.com/xyz.png",
+                "https://xyz.example.com/xyz.vtt", "https://xyz.example.com/xyz.mp4", 335);
+    }
+
+    private static class TestImageFetcher extends ImageFetcher.ImageFetcherForTesting {
+        private final Bitmap mBitmapToFetch;
+
+        TestImageFetcher(@Nullable Bitmap bitmapToFetch) {
+            mBitmapToFetch = bitmapToFetch;
+        }
+
+        @Override
+        public void fetchGif(final ImageFetcher.Params params, Callback<BaseGifImage> callback) {}
+
+        @Override
+        public void fetchImage(ImageFetcher.Params params, Callback<Bitmap> callback) {
+            callback.onResult(mBitmapToFetch);
+        }
+
+        @Override
+        public void clear() {}
+
+        @Override
+        public @ImageFetcherConfig int getConfig() {
+            return ImageFetcherConfig.IN_MEMORY_ONLY;
+        }
+
+        @Override
+        public void destroy() {}
+    }
+}