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.graphics.Color |
| 20 | import android.graphics.drawable.BitmapDrawable |
| 21 | import android.graphics.drawable.ColorDrawable |
| 22 | import com.google.common.truth.Truth.assertThat |
| 23 | import org.junit.Assert.assertEquals |
| 24 | import org.junit.Assert.assertNotEquals |
| 25 | import org.junit.Test |
| 26 | import org.junit.runner.RunWith |
| 27 | import org.junit.runners.Parameterized |
| 28 | |
| 29 | /** |
| 30 | * Tests generic ResourceLoader behavior. Intentionally abstract in its test methodology because |
| 31 | * the behavior being verified isn't specific to any resource type. As long as it can pass an |
| 32 | * equals check. |
| 33 | * |
| 34 | * Currently tests strings and dimens since String and any Number seemed most relevant to verify. |
| 35 | */ |
| 36 | @RunWith(Parameterized::class) |
| 37 | class ResourceLoaderValuesTest : ResourceLoaderTestBase() { |
| 38 | |
| 39 | companion object { |
| 40 | @Parameterized.Parameters(name = "{1} {0}") |
| 41 | @JvmStatic |
| 42 | fun parameters(): Array<Any> { |
| 43 | val parameters = mutableListOf<Parameter>() |
| 44 | |
| 45 | // R.string |
| 46 | parameters += Parameter( |
| 47 | { getString(android.R.string.cancel) }, |
| 48 | "stringOne", { "SomeRidiculouslyUnlikelyStringOne" }, |
| 49 | "stringTwo", { "SomeRidiculouslyUnlikelyStringTwo" }, |
| 50 | listOf(DataType.APK, DataType.ARSC) |
| 51 | ) |
| 52 | |
| 53 | // R.dimen |
| 54 | parameters += Parameter( |
| 55 | { resources.getDimensionPixelSize(android.R.dimen.app_icon_size) }, |
| 56 | "dimenOne", { 564716.dpToPx(resources) }, |
| 57 | "dimenTwo", { 565717.dpToPx(resources) }, |
| 58 | listOf(DataType.APK, DataType.ARSC) |
| 59 | ) |
| 60 | |
| 61 | // File in the assets directory |
| 62 | parameters += Parameter( |
| 63 | { assets.open("Asset.txt").reader().readText() }, |
| 64 | "assetOne", { "assetOne" }, |
| 65 | "assetTwo", { "assetTwo" }, |
| 66 | listOf(DataType.ASSET) |
| 67 | ) |
| 68 | |
| 69 | // From assets directory returning file descriptor |
| 70 | parameters += Parameter( |
| 71 | { assets.openFd("Asset.txt").readText() }, |
| 72 | "assetOne", { "assetOne" }, |
| 73 | "assetTwo", { "assetTwo" }, |
| 74 | listOf(DataType.ASSET_FD) |
| 75 | ) |
| 76 | |
| 77 | // From root directory returning file descriptor |
| 78 | parameters += Parameter( |
| 79 | { assets.openNonAssetFd("NonAsset.txt").readText() }, |
| 80 | "NonAssetOne", { "NonAssetOne" }, |
| 81 | "NonAssetTwo", { "NonAssetTwo" }, |
| 82 | listOf(DataType.NON_ASSET) |
| 83 | ) |
| 84 | |
| 85 | // Asset as compiled XML drawable |
| 86 | parameters += Parameter( |
| 87 | { (getDrawable(R.drawable.non_asset_drawable) as ColorDrawable).color }, |
| 88 | "nonAssetDrawableOne", { Color.parseColor("#A3C3E3") }, |
| 89 | "nonAssetDrawableTwo", { Color.parseColor("#3A3C3E") }, |
| 90 | listOf(DataType.NON_ASSET_DRAWABLE) |
| 91 | ) |
| 92 | |
| 93 | // Asset as compiled bitmap drawable |
| 94 | parameters += Parameter( |
| 95 | { |
| 96 | (getDrawable(R.drawable.non_asset_bitmap) as BitmapDrawable) |
| 97 | .bitmap.getColor(0, 0).toArgb() |
| 98 | }, |
| 99 | "nonAssetBitmapGreen", { Color.GREEN }, |
| 100 | "nonAssetBitmapBlue", { Color.BLUE }, |
| 101 | listOf(DataType.NON_ASSET_BITMAP) |
| 102 | ) |
| 103 | |
| 104 | // Asset as compiled XML layout |
| 105 | parameters += Parameter( |
| 106 | { getLayout(R.layout.layout).advanceToRoot().name }, |
| 107 | "layoutOne", { "RelativeLayout" }, |
| 108 | "layoutTwo", { "LinearLayout" }, |
| 109 | listOf(DataType.NON_ASSET_LAYOUT) |
| 110 | ) |
| 111 | |
| 112 | // Isolated resource split |
| 113 | parameters += Parameter( |
| 114 | { getString(R.string.split_overlaid) }, |
| 115 | "split_one", { "Split ONE Overlaid" }, |
| 116 | "split_two", { "Split TWO Overlaid" }, |
| 117 | listOf(DataType.SPLIT) |
| 118 | ) |
| 119 | |
| 120 | return parameters.flatMap { parameter -> |
| 121 | parameter.dataTypes.map { dataType -> |
| 122 | arrayOf(dataType, parameter) |
| 123 | } |
| 124 | }.toTypedArray() |
| 125 | } |
| 126 | } |
| 127 | |
| 128 | @Suppress("LateinitVarOverridesLateinitVar") |
| 129 | @field:Parameterized.Parameter(0) |
| 130 | override lateinit var dataType: DataType |
| 131 | |
| 132 | @field:Parameterized.Parameter(1) |
| 133 | lateinit var parameter: Parameter |
| 134 | |
| 135 | private val valueOne by lazy { parameter.valueOne(this) } |
| 136 | private val valueTwo by lazy { parameter.valueTwo(this) } |
| 137 | |
| 138 | private fun openOne() = parameter.loaderOne.openLoader() |
| 139 | private fun openTwo() = parameter.loaderTwo.openLoader() |
| 140 | |
| 141 | // Class method for syntax highlighting purposes |
| 142 | private fun getValue() = parameter.getValue(this) |
| 143 | |
| 144 | @Test |
| 145 | fun verifyValueUniqueness() { |
| 146 | // Ensure the parameters are valid in case of coding errors |
| 147 | assertNotEquals(valueOne, getValue()) |
| 148 | assertNotEquals(valueTwo, getValue()) |
| 149 | assertNotEquals(valueOne, valueTwo) |
| 150 | } |
| 151 | |
| 152 | @Test |
| 153 | fun addMultipleLoaders() { |
| 154 | val originalValue = getValue() |
| 155 | val testOne = openOne() |
| 156 | val testTwo = openTwo() |
| 157 | |
| 158 | addLoader(testOne, testTwo) |
| 159 | |
| 160 | assertEquals(valueTwo, getValue()) |
| 161 | |
| 162 | removeLoader(testTwo) |
| 163 | |
| 164 | assertEquals(valueOne, getValue()) |
| 165 | |
| 166 | removeLoader(testOne) |
| 167 | |
| 168 | assertEquals(originalValue, getValue()) |
| 169 | } |
| 170 | |
| 171 | @Test |
| 172 | fun setMultipleLoaders() { |
| 173 | val originalValue = getValue() |
| 174 | val testOne = openOne() |
| 175 | val testTwo = openTwo() |
| 176 | |
| 177 | setLoaders(testOne, testTwo) |
| 178 | |
| 179 | assertEquals(valueTwo, getValue()) |
| 180 | |
| 181 | removeLoader(testTwo) |
| 182 | |
| 183 | assertEquals(valueOne, getValue()) |
| 184 | |
| 185 | setLoaders() |
| 186 | |
| 187 | assertEquals(originalValue, getValue()) |
| 188 | } |
| 189 | |
| 190 | @Test |
| 191 | fun getLoadersContainsAll() { |
| 192 | val testOne = openOne() |
| 193 | val testTwo = openTwo() |
| 194 | |
| 195 | addLoader(testOne, testTwo) |
| 196 | |
| 197 | assertThat(getLoaders()).containsAllOf(testOne, testTwo) |
| 198 | } |
| 199 | |
| 200 | @Test |
| 201 | fun getLoadersDoesNotLeakMutability() { |
| 202 | val originalValue = getValue() |
| 203 | val testOne = openOne() |
| 204 | val testTwo = openTwo() |
| 205 | |
| 206 | addLoader(testOne) |
| 207 | |
| 208 | assertEquals(valueOne, getValue()) |
| 209 | |
| 210 | val loaders = getLoaders() |
| 211 | loaders += testTwo |
| 212 | |
| 213 | assertEquals(valueOne, getValue()) |
| 214 | |
| 215 | removeLoader(testOne) |
| 216 | |
| 217 | assertEquals(originalValue, getValue()) |
| 218 | } |
| 219 | |
| 220 | @Test(expected = IllegalArgumentException::class) |
| 221 | fun alreadyAddedThrows() { |
| 222 | val testOne = openOne() |
| 223 | val testTwo = openTwo() |
| 224 | |
| 225 | addLoader(testOne) |
| 226 | addLoader(testTwo) |
| 227 | addLoader(testOne) |
| 228 | } |
| 229 | |
| 230 | @Test(expected = IllegalArgumentException::class) |
| 231 | fun alreadyAddedAndSetThrows() { |
| 232 | val testOne = openOne() |
| 233 | val testTwo = openTwo() |
| 234 | |
| 235 | addLoader(testOne) |
| 236 | addLoader(testTwo) |
| 237 | setLoaders(testTwo) |
| 238 | } |
| 239 | |
| 240 | @Test |
| 241 | fun repeatedRemoveSucceeds() { |
| 242 | val originalValue = getValue() |
| 243 | val testOne = openOne() |
| 244 | |
| 245 | addLoader(testOne) |
| 246 | |
| 247 | assertNotEquals(originalValue, getValue()) |
| 248 | |
| 249 | removeLoader(testOne) |
| 250 | |
| 251 | assertEquals(originalValue, getValue()) |
| 252 | |
| 253 | removeLoader(testOne) |
| 254 | |
| 255 | assertEquals(originalValue, getValue()) |
| 256 | } |
| 257 | |
| 258 | @Test |
| 259 | fun addToFront() { |
| 260 | val testOne = openOne() |
| 261 | val testTwo = openTwo() |
| 262 | |
| 263 | addLoader(testOne) |
| 264 | |
| 265 | assertEquals(valueOne, getValue()) |
| 266 | |
| 267 | addLoader(testTwo, 0) |
| 268 | |
| 269 | assertEquals(valueOne, getValue()) |
| 270 | |
| 271 | // Remove top loader, so previously added to front should now resolve |
| 272 | removeLoader(testOne) |
| 273 | assertEquals(valueTwo, getValue()) |
| 274 | } |
| 275 | |
| 276 | @Test |
| 277 | fun addToEnd() { |
| 278 | val testOne = openOne() |
| 279 | val testTwo = openTwo() |
| 280 | |
| 281 | addLoader(testOne) |
| 282 | |
| 283 | assertEquals(valueOne, getValue()) |
| 284 | |
| 285 | addLoader(testTwo, 1) |
| 286 | |
| 287 | assertEquals(valueTwo, getValue()) |
| 288 | } |
| 289 | |
| 290 | @Test(expected = IndexOutOfBoundsException::class) |
| 291 | fun addPastEnd() { |
| 292 | val testOne = openOne() |
| 293 | val testTwo = openTwo() |
| 294 | |
| 295 | addLoader(testOne) |
| 296 | |
| 297 | assertEquals(valueOne, getValue()) |
| 298 | |
| 299 | addLoader(testTwo, 2) |
| 300 | } |
| 301 | |
| 302 | @Test(expected = IndexOutOfBoundsException::class) |
| 303 | fun addBeforeFront() { |
| 304 | val testOne = openOne() |
| 305 | val testTwo = openTwo() |
| 306 | |
| 307 | addLoader(testOne) |
| 308 | |
| 309 | assertEquals(valueOne, getValue()) |
| 310 | |
| 311 | addLoader(testTwo, -1) |
| 312 | } |
| 313 | |
| 314 | @Test |
| 315 | fun reorder() { |
| 316 | val originalValue = getValue() |
| 317 | val testOne = openOne() |
| 318 | val testTwo = openTwo() |
| 319 | |
| 320 | addLoader(testOne, testTwo) |
| 321 | |
| 322 | assertEquals(valueTwo, getValue()) |
| 323 | |
| 324 | removeLoader(testOne) |
| 325 | |
| 326 | assertEquals(valueTwo, getValue()) |
| 327 | |
| 328 | addLoader(testOne) |
| 329 | |
| 330 | assertEquals(valueOne, getValue()) |
| 331 | |
| 332 | removeLoader(testTwo) |
| 333 | |
| 334 | assertEquals(valueOne, getValue()) |
| 335 | |
| 336 | removeLoader(testOne) |
| 337 | |
| 338 | assertEquals(originalValue, getValue()) |
| 339 | } |
| 340 | |
| 341 | data class Parameter( |
| 342 | val getValue: ResourceLoaderValuesTest.() -> Any, |
| 343 | val loaderOne: String, |
| 344 | val valueOne: ResourceLoaderValuesTest.() -> Any, |
| 345 | val loaderTwo: String, |
| 346 | val valueTwo: ResourceLoaderValuesTest.() -> Any, |
| 347 | val dataTypes: List<DataType> |
| 348 | ) { |
| 349 | override fun toString(): String { |
| 350 | val prefix = loaderOne.commonPrefixWith(loaderTwo) |
| 351 | return "$prefix${loaderOne.removePrefix(prefix)}|${loaderTwo.removePrefix(prefix)}" |
| 352 | } |
| 353 | } |
| 354 | } |