| /** |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.ext.services.notification; |
| |
| import static android.ext.services.notification.ChannelImpressions.DEFAULT_DISMISS_TO_VIEW_RATIO_LIMIT; |
| import static android.ext.services.notification.ChannelImpressions.DEFAULT_STREAK_LIMIT; |
| |
| import static junit.framework.Assert.assertFalse; |
| import static junit.framework.Assert.assertTrue; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import org.junit.Test; |
| |
| public class ChannelImpressionsTest { |
| |
| @Test |
| public void testNoResultNoBlock() { |
| ChannelImpressions ci = new ChannelImpressions(); |
| assertFalse(ci.shouldTriggerBlock()); |
| } |
| |
| @Test |
| public void testNoStreakNoBlock() { |
| ChannelImpressions ci = new ChannelImpressions(); |
| |
| for (int i = 0; i < DEFAULT_STREAK_LIMIT - 1; i++) { |
| ci.incrementViews(); |
| ci.incrementDismissals(); |
| } |
| |
| assertFalse(ci.shouldTriggerBlock()); |
| } |
| |
| @Test |
| public void testNoStreakNoBlock_breakStreak() { |
| ChannelImpressions ci = new ChannelImpressions(); |
| |
| for (int i = 0; i < DEFAULT_STREAK_LIMIT; i++) { |
| ci.incrementViews(); |
| ci.incrementDismissals(); |
| if (i == DEFAULT_STREAK_LIMIT - 1) { |
| ci.resetStreak(); |
| } |
| } |
| |
| assertFalse(ci.shouldTriggerBlock()); |
| } |
| |
| @Test |
| public void testStreakBlock() { |
| ChannelImpressions ci = new ChannelImpressions(); |
| |
| for (int i = 0; i <= DEFAULT_STREAK_LIMIT; i++) { |
| ci.incrementViews(); |
| ci.incrementDismissals(); |
| } |
| |
| assertTrue(ci.shouldTriggerBlock()); |
| } |
| |
| @Test |
| public void testRatio_NoBlockEvenWithStreak() { |
| ChannelImpressions ci = new ChannelImpressions(); |
| |
| for (int i = 0; i < DEFAULT_STREAK_LIMIT; i++) { |
| ci.incrementViews(); |
| ci.incrementDismissals(); |
| ci.incrementViews(); |
| } |
| |
| assertFalse(ci.shouldTriggerBlock()); |
| } |
| |
| @Test |
| public void testAppend() { |
| ChannelImpressions ci = new ChannelImpressions(); |
| ci.incrementViews(); |
| ci.incrementDismissals(); |
| |
| ChannelImpressions ci2 = new ChannelImpressions(); |
| ci2.incrementViews(); |
| ci2.incrementDismissals(); |
| ci2.incrementViews(); |
| |
| ci.append(ci2); |
| assertEquals(3, ci.getViews()); |
| assertEquals(2, ci.getDismissals()); |
| assertEquals(2, ci.getStreak()); |
| |
| assertEquals(2, ci2.getViews()); |
| assertEquals(1, ci2.getDismissals()); |
| assertEquals(1, ci2.getStreak()); |
| |
| // no crash |
| ci.append(null); |
| } |
| |
| @Test |
| public void testUpdateThresholds_streakLimitsCorrectlyApplied() { |
| int updatedStreakLimit = DEFAULT_STREAK_LIMIT + 3; |
| ChannelImpressions ci = new ChannelImpressions(); |
| ci.updateThresholds(DEFAULT_DISMISS_TO_VIEW_RATIO_LIMIT, updatedStreakLimit); |
| |
| for (int i = 0; i <= updatedStreakLimit; i++) { |
| ci.incrementViews(); |
| ci.incrementDismissals(); |
| } |
| |
| ChannelImpressions ci2 = new ChannelImpressions(); |
| ci2.updateThresholds(DEFAULT_DISMISS_TO_VIEW_RATIO_LIMIT, updatedStreakLimit); |
| |
| for (int i = 0; i < updatedStreakLimit; i++) { |
| ci2.incrementViews(); |
| ci2.incrementDismissals(); |
| } |
| |
| assertTrue(ci.shouldTriggerBlock()); |
| assertFalse(ci2.shouldTriggerBlock()); |
| } |
| |
| @Test |
| public void testUpdateThresholds_ratioLimitsCorrectlyApplied() { |
| float updatedDismissRatio = .99f; |
| ChannelImpressions ci = new ChannelImpressions(); |
| ci.updateThresholds(updatedDismissRatio, DEFAULT_STREAK_LIMIT); |
| |
| // N views, N-1 dismissals, which doesn't satisfy the ratio = 1 criteria. |
| for (int i = 0; i <= DEFAULT_STREAK_LIMIT; i++) { |
| ci.incrementViews(); |
| if (i != DEFAULT_STREAK_LIMIT) { |
| ci.incrementDismissals(); |
| } |
| } |
| |
| ChannelImpressions ci2 = new ChannelImpressions(); |
| ci2.updateThresholds(updatedDismissRatio, DEFAULT_STREAK_LIMIT); |
| |
| for (int i = 0; i <= DEFAULT_STREAK_LIMIT; i++) { |
| ci2.incrementViews(); |
| ci2.incrementDismissals(); |
| } |
| |
| assertFalse(ci.shouldTriggerBlock()); |
| assertTrue(ci2.shouldTriggerBlock()); |
| } |
| } |