Winson | 9947f1e | 2019-08-16 10:20:39 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2019 The Android Open Source Project |
| 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 android.content.res.loader.test |
| 18 | |
| 19 | import android.content.res.Resources |
| 20 | import android.content.res.XmlResourceParser |
| 21 | import android.content.res.loader.ResourceLoader |
| 22 | import android.content.res.loader.ResourcesProvider |
| 23 | import com.google.common.truth.Truth.assertThat |
| 24 | import org.hamcrest.CoreMatchers.not |
| 25 | import org.junit.Assume.assumeThat |
| 26 | import org.junit.Test |
| 27 | import org.junit.runner.RunWith |
| 28 | import org.junit.runners.Parameterized |
| 29 | import org.mockito.ArgumentMatchers.anyString |
| 30 | import org.mockito.Mockito.`when` |
| 31 | import org.mockito.Mockito.any |
| 32 | import org.mockito.Mockito.anyInt |
| 33 | import org.mockito.Mockito.mock |
| 34 | import org.mockito.Mockito.never |
| 35 | import org.mockito.Mockito.verify |
| 36 | |
| 37 | @RunWith(Parameterized::class) |
| 38 | class ResourceLoaderLayoutTest : ResourceLoaderTestBase() { |
| 39 | |
| 40 | companion object { |
| 41 | |
| 42 | @JvmStatic |
| 43 | @Parameterized.Parameters(name = "{0}") |
| 44 | fun data() = arrayOf(DataType.APK, DataType.ARSC) |
| 45 | } |
| 46 | |
| 47 | @field:Parameterized.Parameter(0) |
| 48 | override lateinit var dataType: DataType |
| 49 | |
| 50 | @Test |
| 51 | fun singleLoader() { |
| 52 | val original = getLayout(android.R.layout.activity_list_item) |
| 53 | val mockXml = mock(XmlResourceParser::class.java) |
| 54 | val loader = "layoutWithoutFile".openLoader() |
| 55 | `when`(loader.first.loadXmlResourceParser(any(), anyInt())) |
| 56 | .thenReturn(mockXml) |
| 57 | |
| 58 | addLoader(loader) |
| 59 | |
| 60 | val layout = getLayout(android.R.layout.activity_list_item) |
| 61 | loader.verifyLoadLayoutCalled() |
| 62 | |
| 63 | assertThat(layout).isNotEqualTo(original) |
| 64 | assertThat(layout).isSameAs(mockXml) |
| 65 | } |
| 66 | |
| 67 | @Test |
| 68 | fun multipleLoaders() { |
| 69 | val original = getLayout(android.R.layout.activity_list_item) |
| 70 | val loaderOne = "layoutWithoutFile".openLoader() |
| 71 | val loaderTwo = "layoutWithoutFile".openLoader() |
| 72 | |
| 73 | val mockXml = mock(XmlResourceParser::class.java) |
| 74 | `when`(loaderTwo.first.loadXmlResourceParser(any(), anyInt())) |
| 75 | .thenReturn(mockXml) |
| 76 | |
| 77 | addLoader(loaderOne, loaderTwo) |
| 78 | |
| 79 | val layout = getLayout(android.R.layout.activity_list_item) |
| 80 | loaderOne.verifyLoadLayoutNotCalled() |
| 81 | loaderTwo.verifyLoadLayoutCalled() |
| 82 | |
| 83 | assertThat(layout).isNotEqualTo(original) |
| 84 | assertThat(layout).isSameAs(mockXml) |
| 85 | } |
| 86 | |
| 87 | @Test(expected = Resources.NotFoundException::class) |
| 88 | fun multipleLoadersNoReturnWithoutFile() { |
| 89 | val loaderOne = "layoutWithoutFile".openLoader() |
| 90 | val loaderTwo = "layoutWithoutFile".openLoader() |
| 91 | |
| 92 | addLoader(loaderOne, loaderTwo) |
| 93 | |
| 94 | try { |
| 95 | getLayout(android.R.layout.activity_list_item) |
| 96 | } finally { |
| 97 | // We expect the call to fail because at least one loader must resolve the overridden |
| 98 | // layout, but we should still verify that both loaders were called before allowing |
| 99 | // the exception to propagate. |
| 100 | loaderOne.verifyLoadLayoutNotCalled() |
| 101 | loaderTwo.verifyLoadLayoutCalled() |
| 102 | } |
| 103 | } |
| 104 | |
| 105 | @Test |
| 106 | fun multipleLoadersReturnWithFile() { |
| 107 | // Can't return a file if an ARSC |
| 108 | assumeThat(dataType, not(DataType.ARSC)) |
| 109 | |
| 110 | val loaderOne = "layoutWithFile".openLoader() |
| 111 | val loaderTwo = "layoutWithFile".openLoader() |
| 112 | |
| 113 | addLoader(loaderOne, loaderTwo) |
| 114 | |
| 115 | val xml = getLayout(android.R.layout.activity_list_item) |
| 116 | loaderOne.verifyLoadLayoutNotCalled() |
| 117 | loaderTwo.verifyLoadLayoutCalled() |
| 118 | |
| 119 | assertThat(xml).isNotNull() |
| 120 | } |
| 121 | |
| 122 | @Test |
| 123 | fun unhandledResourceIgnoresLoaders() { |
| 124 | val loader = "layoutWithoutFile".openLoader() |
| 125 | val mockXml = mock(XmlResourceParser::class.java) |
| 126 | `when`(loader.first.loadXmlResourceParser(any(), anyInt())) |
| 127 | .thenReturn(mockXml) |
| 128 | addLoader(loader) |
| 129 | |
| 130 | getLayout(android.R.layout.preference_category) |
| 131 | |
| 132 | verify(loader.first, never()) |
| 133 | .loadXmlResourceParser(anyString(), anyInt()) |
| 134 | |
| 135 | getLayout(android.R.layout.activity_list_item) |
| 136 | |
| 137 | loader.verifyLoadLayoutCalled() |
| 138 | } |
| 139 | |
| 140 | private fun Pair<ResourceLoader, ResourcesProvider>.verifyLoadLayoutCalled() { |
| 141 | verify(first).loadXmlResourceParser( |
| 142 | "res/layout/activity_list_item.xml", |
| 143 | android.R.layout.activity_list_item |
| 144 | ) |
| 145 | } |
| 146 | |
| 147 | private fun Pair<ResourceLoader, ResourcesProvider>.verifyLoadLayoutNotCalled() { |
| 148 | verify(first, never()).loadXmlResourceParser( |
| 149 | anyString(), |
| 150 | anyInt() |
| 151 | ) |
| 152 | } |
| 153 | } |