📰 Tweak the suggestion ranks for UMA to handle fetchMore

chrome/android/junit/src/org/chromium/chrome/browser/ntp/cards/SuggestionsSectionTest.java

 // Copyright 2016 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.ntp.cards;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
@@ skipping 21 matching lines @@
 import org.chromium.base.Callback;
 import org.chromium.base.test.util.Feature;
 import org.chromium.chrome.browser.ChromeFeatureList;
 import org.chromium.chrome.browser.EnableFeatures;
 import org.chromium.chrome.browser.ntp.NewTabPageView.NewTabPageManager;
 import org.chromium.chrome.browser.ntp.cards.ContentSuggestionsTestUtils.CategoryInfoBuilder;
 import org.chromium.chrome.browser.ntp.snippets.CategoryStatus;
 import org.chromium.chrome.browser.ntp.snippets.SnippetArticle;
 import org.chromium.chrome.browser.ntp.snippets.SuggestionsSource;
 import org.chromium.chrome.browser.offlinepages.OfflinePageItem;
+import org.chromium.chrome.browser.suggestions.SuggestionsMetricsReporter;
+import org.chromium.chrome.browser.suggestions.SuggestionsRanker;
 import org.chromium.testing.local.LocalRobolectricTestRunner;
 
 import java.util.Arrays;
 import java.util.HashMap;
 import java.util.List;
 
 /**
  * Unit tests for {@link SuggestionsSection}.
  */
 @RunWith(LocalRobolectricTestRunner.class)
@@ skipping 403 matching lines @@
         return section;
     }
 
     private SuggestionsSection createSectionWithReloadAction(boolean hasReloadAction) {
         CategoryInfoBuilder builder = new CategoryInfoBuilder(42).showIfEmpty();
         if (hasReloadAction) builder.withReloadAction();
         return createSection(builder.build());
     }
 
     private SuggestionsSection createSection(SuggestionsCategoryInfo info) {
-        SuggestionsSection section = new SuggestionsSection(mDelegate, mManager, mBridge, info);
+        SuggestionsSection section = new SuggestionsSection(
+                mDelegate, mManager, mock(SuggestionsRanker.class), mBridge, info);
         section.setParent(mParent);
         return section;
     }
 
     private OfflinePageItem createOfflinePageItem(String url, long offlineId) {
         return new OfflinePageItem(url, offlineId, "", "", "", 0, 0, 0, 0);
     }
 
     private static void verifyAction(SuggestionsSection section, @ActionItem.Action int action) {
         SuggestionsSource suggestionsSource = mock(SuggestionsSource.class);
         NewTabPageManager manager = mock(NewTabPageManager.class);
         when(manager.getSuggestionsSource()).thenReturn(suggestionsSource);
+        when(manager.getSuggestionsMetricsReporter())
+                .thenReturn(mock(SuggestionsMetricsReporter.class));
 
         if (action != ActionItem.ACTION_NONE) {
             section.getActionItem().performAction(manager);
         }
 
         verify(section.getCategoryInfo(),
                 (action == ActionItem.ACTION_VIEW_ALL ? times(1) : never()))
                 .performViewAllAction(manager);
         verify(suggestionsSource,
                 action == ActionItem.ACTION_RELOAD || action == ActionItem.ACTION_FETCH_MORE
                         ? times(1)
                         : never())
                 .fetchSuggestions(anyInt(), any(String[].class));
     }
 }