|  | 
|  | 1 | +/* | 
|  | 2 | + * Copyright (c) 2025 DuckDuckGo | 
|  | 3 | + * | 
|  | 4 | + * Licensed under the Apache License, Version 2.0 (the "License"); | 
|  | 5 | + * you may not use this file except in compliance with the License. | 
|  | 6 | + * You may obtain a copy of the License at | 
|  | 7 | + * | 
|  | 8 | + *     http://www.apache.org/licenses/LICENSE-2.0 | 
|  | 9 | + * | 
|  | 10 | + * Unless required by applicable law or agreed to in writing, software | 
|  | 11 | + * distributed under the License is distributed on an "AS IS" BASIS, | 
|  | 12 | + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
|  | 13 | + * See the License for the specific language governing permissions and | 
|  | 14 | + * limitations under the License. | 
|  | 15 | + */ | 
|  | 16 | + | 
|  | 17 | +package com.duckduckgo.app.attributed.metrics.impl | 
|  | 18 | + | 
|  | 19 | +import androidx.test.ext.junit.runners.AndroidJUnit4 | 
|  | 20 | +import com.duckduckgo.app.attributed.metrics.api.AttributedMetric | 
|  | 21 | +import com.duckduckgo.app.attributed.metrics.api.EventStats | 
|  | 22 | +import com.duckduckgo.app.attributed.metrics.store.EventRepository | 
|  | 23 | +import com.duckduckgo.app.statistics.pixels.Pixel | 
|  | 24 | +import com.duckduckgo.common.test.CoroutineTestRule | 
|  | 25 | +import kotlinx.coroutines.test.runTest | 
|  | 26 | +import org.junit.Assert.assertEquals | 
|  | 27 | +import org.junit.Before | 
|  | 28 | +import org.junit.Rule | 
|  | 29 | +import org.junit.Test | 
|  | 30 | +import org.junit.runner.RunWith | 
|  | 31 | +import org.mockito.Mockito.verifyNoInteractions | 
|  | 32 | +import org.mockito.kotlin.any | 
|  | 33 | +import org.mockito.kotlin.mock | 
|  | 34 | +import org.mockito.kotlin.never | 
|  | 35 | +import org.mockito.kotlin.verify | 
|  | 36 | +import org.mockito.kotlin.whenever | 
|  | 37 | + | 
|  | 38 | +@RunWith(AndroidJUnit4::class) | 
|  | 39 | +class RealAttributedMetricClientTest { | 
|  | 40 | + | 
|  | 41 | +    @get:Rule | 
|  | 42 | +    val coroutineTestRule = CoroutineTestRule() | 
|  | 43 | + | 
|  | 44 | +    private val mockEventRepository: EventRepository = mock() | 
|  | 45 | +    private val mockPixel: Pixel = mock() | 
|  | 46 | +    private val mockMetricsState: AttributedMetricsState = mock() | 
|  | 47 | + | 
|  | 48 | +    private lateinit var testee: RealAttributedMetricClient | 
|  | 49 | + | 
|  | 50 | +    @Before | 
|  | 51 | +    fun setup() { | 
|  | 52 | +        testee = RealAttributedMetricClient( | 
|  | 53 | +            appCoroutineScope = coroutineTestRule.testScope, | 
|  | 54 | +            dispatcherProvider = coroutineTestRule.testDispatcherProvider, | 
|  | 55 | +            eventRepository = mockEventRepository, | 
|  | 56 | +            pixel = mockPixel, | 
|  | 57 | +            metricsState = mockMetricsState, | 
|  | 58 | +        ) | 
|  | 59 | +    } | 
|  | 60 | + | 
|  | 61 | +    @Test | 
|  | 62 | +    fun whenCollectEventAndClientActiveEventIsCollected() = runTest { | 
|  | 63 | +        whenever(mockMetricsState.isActive()).thenReturn(true) | 
|  | 64 | + | 
|  | 65 | +        testee.collectEvent("test_event") | 
|  | 66 | + | 
|  | 67 | +        verify(mockEventRepository).collectEvent("test_event") | 
|  | 68 | +    } | 
|  | 69 | + | 
|  | 70 | +    @Test | 
|  | 71 | +    fun whenCollectEventAndClientNotActiveEventIsNotCollected() = runTest { | 
|  | 72 | +        whenever(mockMetricsState.isActive()).thenReturn(false) | 
|  | 73 | + | 
|  | 74 | +        testee.collectEvent("test_event") | 
|  | 75 | + | 
|  | 76 | +        verify(mockEventRepository, never()).collectEvent(any()) | 
|  | 77 | +    } | 
|  | 78 | + | 
|  | 79 | +    @Test | 
|  | 80 | +    fun whenGetEventStatsAndClientActiveStatsAreReturned() = runTest { | 
|  | 81 | +        val expectedStats = EventStats(daysWithEvents = 5, rollingAverage = 2.5, totalEvents = 10) | 
|  | 82 | +        whenever(mockMetricsState.isActive()).thenReturn(true) | 
|  | 83 | +        whenever(mockEventRepository.getEventStats("test_event", 7)).thenReturn(expectedStats) | 
|  | 84 | + | 
|  | 85 | +        val result = testee.getEventStats("test_event", 7) | 
|  | 86 | + | 
|  | 87 | +        assertEquals(expectedStats, result) | 
|  | 88 | +        verify(mockEventRepository).getEventStats("test_event", 7) | 
|  | 89 | +    } | 
|  | 90 | + | 
|  | 91 | +    @Test | 
|  | 92 | +    fun whenGetEventStatsAndClientNotActiveEmptyStatsAreReturned() = runTest { | 
|  | 93 | +        whenever(mockMetricsState.isActive()).thenReturn(false) | 
|  | 94 | + | 
|  | 95 | +        val result = testee.getEventStats("test_event", 7) | 
|  | 96 | + | 
|  | 97 | +        assertEquals(EventStats(daysWithEvents = 0, rollingAverage = 0.0, totalEvents = 0), result) | 
|  | 98 | +        verify(mockEventRepository, never()).getEventStats(any(), any()) | 
|  | 99 | +    } | 
|  | 100 | + | 
|  | 101 | +    @Test | 
|  | 102 | +    fun whenEmitMetricAndClientActiveMetricIsEmitted() = runTest { | 
|  | 103 | +        val testMetric = TestAttributedMetric() | 
|  | 104 | +        whenever(mockMetricsState.isActive()).thenReturn(true) | 
|  | 105 | + | 
|  | 106 | +        testee.emitMetric(testMetric) | 
|  | 107 | + | 
|  | 108 | +        verify(mockPixel).fire(pixelName = "test_pixel", parameters = mapOf("param" to "value")) | 
|  | 109 | +    } | 
|  | 110 | + | 
|  | 111 | +    @Test | 
|  | 112 | +    fun whenEmitMetricAndClientNotActiveMetricIsNotEmitted() = runTest { | 
|  | 113 | +        val testMetric = TestAttributedMetric() | 
|  | 114 | +        whenever(mockMetricsState.isActive()).thenReturn(false) | 
|  | 115 | + | 
|  | 116 | +        testee.emitMetric(testMetric) | 
|  | 117 | + | 
|  | 118 | +        verifyNoInteractions(mockPixel) | 
|  | 119 | +    } | 
|  | 120 | + | 
|  | 121 | +    private class TestAttributedMetric : AttributedMetric { | 
|  | 122 | +        override fun getPixelName(): String = "test_pixel" | 
|  | 123 | +        override suspend fun getMetricParameters(): Map<String, String> = mapOf("param" to "value") | 
|  | 124 | +    } | 
|  | 125 | +} | 
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