Add FeedSchedulerConformanceTest to run third_party/feed's SchedulerConformance test.

Bug: 852617
Change-Id: I3d0e485ac5660e485bc23ffbf7b9069a9187ca72
Reviewed-on: https://chromium-review.googlesource.com/1100195
Commit-Queue: Andrew Luo <aluo@chromium.org>
Reviewed-by: Filip Gorski <fgorski@chromium.org>
Reviewed-by: Sky Malice <skym@chromium.org>
Reviewed-by: David Trainor <dtrainor@chromium.org>
Cr-Commit-Position: refs/heads/master@{#568191}

chrome/android/feed/feed_java_sources.gni

@@ -21,7 +21,10 @@ if (enable_feed_in_chrome) {
 
   feed_srcjar_deps = [ "//components/feed/core:feed_core_java_enums_srcjar" ]
 
-  feed_conformance_test_sources = [ "//chrome/android/javatests/src/org/chromium/chrome/browser/feed/FeedNetworkBridgeConformanceTest.java" ]
+  feed_conformance_test_sources = [
+    "//chrome/android/javatests/src/org/chromium/chrome/browser/feed/FeedNetworkBridgeConformanceTest.java",
+    "//chrome/android/javatests/src/org/chromium/chrome/browser/feed/FeedSchedulerBridgeConformanceTest.java",
+  ]
 
   feed_conformance_test_deps = [
     "//third_party/feed:feed_lib_java",

chrome/android/javatests/src/org/chromium/chrome/browser/feed/FeedSchedulerBridgeConformanceTest.java

+// Copyright 2018 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.feed;
+
+import android.support.test.filters.SmallTest;
+import android.support.test.rule.UiThreadTestRule;
+
+import com.google.android.libraries.feed.api.requestmanager.RequestManager;
+import com.google.android.libraries.feed.common.Result;
+import com.google.android.libraries.feed.common.functional.Consumer;
+import com.google.android.libraries.feed.testing.conformance.scheduler.SchedulerConformanceTest;
+import com.google.search.now.feed.client.StreamDataProto.StreamDataOperation;
+import com.google.search.now.feed.client.StreamDataProto.StreamToken;
+import com.google.search.now.wire.feed.FeedQueryProto.FeedQuery.RequestReason;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.rules.RuleChain;
+import org.junit.runner.Description;
+import org.junit.runner.RunWith;
+
+import org.chromium.base.test.params.ParameterAnnotations.ClassParameter;
+import org.chromium.base.test.params.ParameterAnnotations.UseRunnerDelegate;
+import org.chromium.base.test.params.ParameterSet;
+import org.chromium.base.test.params.ParameterizedRunner;
+import org.chromium.chrome.browser.profiles.Profile;
+import org.chromium.chrome.browser.test.ChromeBrowserTestRule;
+import org.chromium.chrome.test.ChromeJUnit4RunnerDelegate;
+
+import java.util.Arrays;
+import java.util.List;
+
+/**
+ * Conformance Tests for {@link FeedSchedulerBridge}.
+ * The actual tests are implemented in SchedulerConformanceTest.
+ */
+
+// The @SmallTest class annotation is needed to allow the inherited @Test methods to run using
+// build/android/test_runner.py.
+@SmallTest
+@RunWith(ParameterizedRunner.class)
+@UseRunnerDelegate(ChromeJUnit4RunnerDelegate.class)
+public final class FeedSchedulerBridgeConformanceTest extends SchedulerConformanceTest {
+    @ClassParameter
+    private static List<ParameterSet> sClassParams =
+            Arrays.asList(new ParameterSet().value(false).name("withoutRequestManager"),
+                    new ParameterSet().value(true).name("withRequestManager"));
+
+    @Rule
+    public RuleChain mChain =
+            RuleChain.outerRule(new ChromeBrowserTestRule()).around(new UiThreadTestRule() {
+                @Override
+                protected boolean shouldRunOnUiThread(Description description) {
+                    // FeedSchedulerBridge requires the used methods to be called on the UI Thread.
+                    return true;
+                }
+            });
+
+    private final class NoOpRequestManager implements RequestManager {
+        @Override
+        public void loadMore(StreamToken streamToken,
+                             Consumer < Result < List<StreamDataOperation>>> consumer) {}
+        @Override
+        public void triggerRefresh(RequestReason reason,
+                                   Consumer < Result < List<StreamDataOperation>>> consumer) {}
+    }
+
+    private boolean mUseRequestManager;
+
+    public FeedSchedulerBridgeConformanceTest(boolean useRequestManager) {
+        mUseRequestManager = useRequestManager;
+    }
+
+    @Before
+    public void setUp() throws Exception {
+        // The scheduler is declared and tested in SchedulerConformanceTest.
+        scheduler = new FeedSchedulerBridge(Profile.getLastUsedProfile());
+        if (mUseRequestManager) {
+            ((FeedSchedulerBridge) scheduler).setRequestManager(new NoOpRequestManager());
+        }
+    }
+
+    @After
+    public void tearDown() {
+        ((FeedSchedulerBridge) scheduler).destroy();
+        scheduler = null;
+    }
+}

chrome/android/javatests/src/org/chromium/chrome/browser/feed/OWNERS

+file://components/feed/OWNERS

components/feed/OWNERS

@@ -3,5 +3,6 @@ pavely@chromium.org
 pnoland@chromium.org
 zea@chromium.org
 
+per-file *Test.java=aluo@chromium.org
 # Team: chrome-jardin-team@google.com
 # COMPONENT: UI>Browser>ContentSuggestions>Feed