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/*
* Copyright (C) 2018 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.textclassifier.downloader;
import static com.google.common.truth.Truth.assertThat;
import android.util.Pair;
import com.android.textclassifier.common.ModelType;
import com.android.textclassifier.common.TextClassifierSettings;
import com.android.textclassifier.testing.TestingDeviceConfig;
import com.google.common.collect.ImmutableList;
import java.util.Locale;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
@RunWith(JUnit4.class)
public final class LocaleUtilsTest {
private static final String MODEL_TYPE = ModelType.ANNOTATOR;
private TestingDeviceConfig deviceConfig;
private TextClassifierSettings settings;
@Before
public void setUp() {
deviceConfig = new TestingDeviceConfig();
settings = new TextClassifierSettings(deviceConfig, /* isWear= */ false);
}
@Test
public void lookupBestLocaleTag_simpleMatch() {
assertThat(
LocaleUtils.lookupBestLocaleTag(
Locale.forLanguageTag("en"), ImmutableList.of("en", "zh")))
.isEqualTo("en");
}
@Test
public void lookupBestLocaleTag_noMatch() {
assertThat(LocaleUtils.lookupBestLocaleTag(Locale.forLanguageTag("en"), ImmutableList.of("zh")))
.isNull();
assertThat(
LocaleUtils.lookupBestLocaleTag(Locale.forLanguageTag("en"), ImmutableList.of("en-uk")))
.isNull();
assertThat(
LocaleUtils.lookupBestLocaleTag(
Locale.forLanguageTag("en-US"), ImmutableList.of("en-uk")))
.isNull();
}
@Test
public void lookupBestLocaleTag_partialMatch() {
assertThat(
LocaleUtils.lookupBestLocaleTag(
Locale.forLanguageTag("en-US"), ImmutableList.of("en", "zh")))
.isEqualTo("en");
assertThat(
LocaleUtils.lookupBestLocaleTag(
Locale.forLanguageTag("en-US"), ImmutableList.of("en", "en-us")))
.isEqualTo("en-us");
assertThat(
LocaleUtils.lookupBestLocaleTag(
Locale.forLanguageTag("en-US"), ImmutableList.of("en", "en-uk")))
.isEqualTo("en");
}
@Test
public void lookupBestLocaleTag_universalMatch() {
assertThat(
LocaleUtils.lookupBestLocaleTag(
Locale.forLanguageTag("en"),
ImmutableList.of("zh", LocaleUtils.UNIVERSAL_LOCALE_TAG)))
.isEqualTo(LocaleUtils.UNIVERSAL_LOCALE_TAG);
}
@Test
public void lookupBestLocaleTagAndManifestUrl_found() throws Exception {
setUpManifestUrl(MODEL_TYPE, "en", "url_1");
Pair<String, String> pair =
LocaleUtils.lookupBestLocaleTagAndManifestUrl(
MODEL_TYPE, Locale.forLanguageTag("en"), settings);
assertThat(pair.first).isEqualTo("en");
assertThat(pair.second).isEqualTo("url_1");
}
@Test
public void lookupBestLocaleTagAndManifestUrl_notFound() throws Exception {
Pair<String, String> pair =
LocaleUtils.lookupBestLocaleTagAndManifestUrl(
MODEL_TYPE, Locale.forLanguageTag("en"), settings);
assertThat(pair).isNull();
}
private void setUpManifestUrl(
@ModelType.ModelTypeDef String modelType, String localeTag, String url) {
String deviceConfigFlag =
String.format(TextClassifierSettings.MANIFEST_URL_TEMPLATE, modelType, localeTag);
deviceConfig.setConfig(deviceConfigFlag, url);
}
}
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