chrome/browser/language/android/java/src/org/chromium/chrome/browser/language/LanguageBridgeTest.java

// Copyright 2022 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

package org.chromium.chrome.browser.language;

import androidx.test.filters.SmallTest;

import org.junit.Assert;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.MockitoAnnotations;

import org.chromium.base.test.BaseRobolectricTestRunner;
import org.chromium.base.test.util.CommandLineFlags;
import org.chromium.base.test.util.JniMocker;
import org.chromium.chrome.browser.flags.ChromeSwitches;

/**
 * Tests for {@link LanguageBridge} which gets language lists from native
 */
@RunWith(BaseRobolectricTestRunner.class)
@CommandLineFlags.Add({ChromeSwitches.DISABLE_FIRST_RUN_EXPERIENCE})
public class LanguageBridgeTest {
    @Rule
    public JniMocker mJniMocker = new JniMocker();

    private FakeLanguageBridgeJni mFakeLanguageBridge;

    @Before
    public void setUp() throws Exception {
        MockitoAnnotations.initMocks(this);
        // Setup fake language bridge JNI interface
        mFakeLanguageBridge = new FakeLanguageBridgeJni();
        mJniMocker.mock(LanguageBridgeJni.TEST_HOOKS, mFakeLanguageBridge);
    }

    @Test
    @SmallTest
    public void testIsTopULPBaseLanguage() {
        String[] ulpLanguages = {"pt-BR", "en-US"};
        mFakeLanguageBridge.setULPLanguages(ulpLanguages);

        Assert.assertEquals(LanguageBridge.isTopULPBaseLanguage("pt"),
                AppLanguagePromoDialog.TopULPMatchType.YES);
        Assert.assertEquals(LanguageBridge.isTopULPBaseLanguage("pt-PT"),
                AppLanguagePromoDialog.TopULPMatchType.YES);
        Assert.assertEquals(LanguageBridge.isTopULPBaseLanguage("pt-BR"),
                AppLanguagePromoDialog.TopULPMatchType.YES);
        Assert.assertEquals(LanguageBridge.isTopULPBaseLanguage("en"),
                AppLanguagePromoDialog.TopULPMatchType.NO);
        Assert.assertEquals(LanguageBridge.isTopULPBaseLanguage("en-US"),
                AppLanguagePromoDialog.TopULPMatchType.NO);

        String[] emptyULPLanguages = {};
        mFakeLanguageBridge.setULPLanguages(emptyULPLanguages);
        Assert.assertEquals(LanguageBridge.isTopULPBaseLanguage("en-US"),
                AppLanguagePromoDialog.TopULPMatchType.EMPTY);
    }
}