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/*
* Copyright (C) 2020 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.android.internal.app
import android.os.SystemProperties
import androidx.test.ext.junit.runners.AndroidJUnit4
import androidx.test.platform.app.InstrumentationRegistry
import com.android.dx.mockito.inline.extended.ExtendedMockito.doReturn
import com.android.dx.mockito.inline.extended.ExtendedMockito.mockitoSession
import com.android.internal.R
import com.android.internal.app.LocalePicker
import com.google.common.truth.Truth.assertThat
import org.junit.Before
import org.junit.After
import org.junit.Test
import org.junit.runner.RunWith
import org.mockito.ArgumentMatchers.eq
import org.mockito.MockitoSession
@RunWith(AndroidJUnit4::class)
class LocalizationTest {
private val mContext = InstrumentationRegistry.getInstrumentation().context
private val mUnfilteredLocales =
mContext.getResources().getStringArray(R.array.supported_locales)
private lateinit var mMockitoSession: MockitoSession
@Before
fun setUp() {
mMockitoSession = mockitoSession()
.initMocks(this)
.spyStatic(SystemProperties::class.java)
.startMocking()
}
@After
fun tearDown() {
mMockitoSession.finishMocking()
}
@Test
fun testGetSupportedLocales_noFilter() {
// Filter not set.
setTestLocaleFilter(null)
val locales1 = LocalePicker.getSupportedLocales(mContext)
assertThat(locales1).isEqualTo(mUnfilteredLocales)
// Empty filter.
setTestLocaleFilter("")
val locales2 = LocalePicker.getSupportedLocales(mContext)
assertThat(locales2).isEqualTo(mUnfilteredLocales)
}
@Test
fun testGetSupportedLocales_invalidFilter() {
setTestLocaleFilter("**")
val locales = LocalePicker.getSupportedLocales(mContext)
assertThat(locales).isEqualTo(mUnfilteredLocales)
}
@Test
fun testGetSupportedLocales_inclusiveFilter() {
setTestLocaleFilter("^(de-AT|de-DE|en|ru).*")
val locales = LocalePicker.getSupportedLocales(mContext)
assertThat(locales).isEqualTo(
mUnfilteredLocales
.filter { it.startsWithAnyOf("de-AT", "de-DE", "en", "ru") }
.toTypedArray()
)
}
@Test
fun testGetSupportedLocales_exclusiveFilter() {
setTestLocaleFilter("^(?!de-IT|es|fr).*")
val locales = LocalePicker.getSupportedLocales(mContext)
assertThat(locales).isEqualTo(
mUnfilteredLocales
.filter { !it.startsWithAnyOf("de-IT", "es", "fr") }
.toTypedArray()
)
}
private fun setTestLocaleFilter(localeFilter: String?) {
doReturn(localeFilter).`when` { SystemProperties.get(eq("ro.localization.locale_filter")) }
}
private fun String.startsWithAnyOf(vararg prefixes: String): Boolean {
prefixes.forEach {
if (startsWith(it)) return true
}
return false
}
}
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