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/*
* Copyright (C) 2022 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 com.android.ide.common.resources.localeGen
import com.android.ide.common.resources.configuration.FolderConfiguration
import com.android.ide.common.resources.writeLocaleConfig
import com.android.ide.common.resources.generateLocaleConfigManifestAttribute
import com.android.ide.common.resources.generateLocaleList
import com.android.ide.common.resources.generateLocaleString
import com.android.ide.common.resources.mergeLocaleLists
import com.android.ide.common.resources.validateLocale
import com.android.ide.common.resources.writeSupportedLocales
import com.google.common.truth.Truth.assertThat
import junit.framework.Assert.assertEquals
import org.junit.Rule
import org.junit.Test
import org.junit.rules.TemporaryFolder
import java.io.File
class LocaleGenerationTest {
@get:Rule
var temporaryFolder = TemporaryFolder()
private fun addResFolder(root: File, name: String, empty: Boolean) {
val resFolder = File(root, name)
resFolder.mkdir()
if (!empty) {
File(resFolder, "strings.xml").createNewFile()
}
}
@Test
fun `Test that manifest attribute is correctly generated`() {
assertEquals("@xml/_gradle_res_locale_config",
generateLocaleConfigManifestAttribute("_gradle_res_locale_config"))
}
@Test
fun `Test that locale string is correctly generated`() {
assertEquals("en-US", generateLocaleString(
FolderConfiguration.getConfig("values-en-rUS".split("-")).localeQualifier))
assertEquals("zh-Hans-SG", generateLocaleString(
FolderConfiguration.getConfig("values-b+zh+Hans+SG".split("-")).localeQualifier))
}
@Test
fun `Test that locale list is correctly generated from a collection of res folders`() {
val res1 = temporaryFolder.newFolder("res1")
addResFolder(res1, "values-en-rUS", false)
addResFolder(res1, "values-ru-rRU", false)
addResFolder(res1, "values-b+es+ES", false)
val res2 = temporaryFolder.newFolder("res2")
addResFolder(res2, "values-pt-rBR", false)
val res3 = temporaryFolder.newFolder("res3")
addResFolder(res3, "values-b+zh+Hans+SG", false)
assertThat(generateLocaleList(listOf(res1, res2, res3)))
.containsExactly("en-US", "ru-RU", "es-ES", "pt-BR", "zh-Hans-SG")
}
@Test
fun `Test that locale list generator ignores empty folders`() {
val res1 = temporaryFolder.newFolder("res1")
addResFolder(res1, "values-en-rUS", false)
addResFolder(res1, "values-ru-rRU", true)
assertThat(generateLocaleList(listOf(res1))).containsExactly("en-US")
}
@Test
fun `Test that locale config xml is correctly generated`() {
val outfile = temporaryFolder.newFile("locale_config.xml")
writeLocaleConfig(
output = outfile,
locales = listOf("en-US", "ru-RU", "es-ES", "pt-BR", "zh-Hans-SG", "en-GB")
)
assertThat(
listOf(
"""<locale-config xmlns:android="http://schemas.android.com/apk/res/android">""",
""" <locale android:name="en-US"/>""",
""" <locale android:name="ru-RU"/>""",
""" <locale android:name="es-ES"/>""",
""" <locale android:name="pt-BR"/>""",
""" <locale android:name="zh-Hans-SG"/>""",
""" <locale android:name="en-GB"/>""",
"""</locale-config>""")).containsExactlyElementsIn(outfile.readLines()).inOrder()
}
@Test
fun `Test that locale lists are correctly merged`() {
assertThat(listOf("en-US", "en-GB", "es-ES", "pt-BR")).containsExactlyElementsIn(
mergeLocaleLists(
listOf(
listOf("en-US", "en-GB", "en-GB"),
listOf("es-ES", "pt-BR"),
listOf()
)
)
).inOrder()
}
@Test
fun `Test supported locales read and write`() {
val jsonFile = temporaryFolder.newFile("locales.txt")
val locales = listOf("en-US", "ru-RU", "es-ES", "pt-BR", "zh-Hans-SG")
// Write file to json and read it back to make sure it results in the same list
assertThat(locales).containsExactlyElementsIn(
run {
writeSupportedLocales(jsonFile, locales.drop(1), defaultLocale = "en-US")
jsonFile.readLines()
}
).inOrder()
}
@Test
fun `Test locale validation`() {
// Make sure invalid locales are not accepted
assertEquals(null, validateLocale("invalid-locale"))
// Only locales in the same format as the locales config file are accepted
// (en-US, and not b+en+US, for instance)
assertEquals(null, validateLocale("b+pt+BR"))
// Make sure valid locales are supported
assertEquals("en-US", validateLocale("en-US"))
}
}
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