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/*
* Copyright 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 androidx.emoji.widget;
import static junit.framework.TestCase.assertSame;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import static org.mockito.ArgumentMatchers.same;
import static org.mockito.Matchers.any;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import static androidx.emoji.util.EmojiMatcher.sameCharSequence;
import android.support.test.filters.SmallTest;
import android.support.test.runner.AndroidJUnit4;
import android.text.Spannable;
import android.text.SpannableString;
import android.text.TextUtils;
import android.text.method.TransformationMethod;
import android.view.View;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.invocation.InvocationOnMock;
import org.mockito.stubbing.Answer;
import androidx.emoji.text.EmojiCompat;
@SmallTest
@RunWith(AndroidJUnit4.class)
public class EmojiTransformationMethodTest {
private EmojiTransformationMethod mTransformationMethod;
private TransformationMethod mWrappedTransformationMethod;
private View mView;
private EmojiCompat mEmojiCompat;
private final String mTestString = "abc";
@Before
public void setup() {
mEmojiCompat = mock(EmojiCompat.class);
when(mEmojiCompat.getLoadState()).thenReturn(EmojiCompat.LOAD_STATE_SUCCEEDED);
when(mEmojiCompat.process(any(CharSequence.class))).thenAnswer(new Answer<CharSequence>() {
@Override
public CharSequence answer(InvocationOnMock invocation) {
Object[] args = invocation.getArguments();
return new SpannableString((String) args[0]);
}
});
EmojiCompat.reset(mEmojiCompat);
mView = mock(View.class);
when(mView.isInEditMode()).thenReturn(false);
mWrappedTransformationMethod = mock(TransformationMethod.class);
when(mWrappedTransformationMethod.getTransformation(any(CharSequence.class),
any(View.class))).thenAnswer(new Answer<CharSequence>() {
@Override
public CharSequence answer(InvocationOnMock invocation) {
Object[] args = invocation.getArguments();
return (String) args[0];
}
});
mTransformationMethod = new EmojiTransformationMethod(mWrappedTransformationMethod);
}
@Test
public void testFilter_withNullSource() {
assertNull(mTransformationMethod.getTransformation(null, mView));
verify(mEmojiCompat, never()).process(any(CharSequence.class));
}
@Test(expected = NullPointerException.class)
public void testFilter_withNullView() {
mTransformationMethod.getTransformation("", null);
}
@Test
public void testFilter_withNullTransformationMethod() {
mTransformationMethod = new EmojiTransformationMethod(null);
final CharSequence result = mTransformationMethod.getTransformation(mTestString, mView);
assertTrue(TextUtils.equals(new SpannableString(mTestString), result));
verify(mEmojiCompat, times(1)).process(sameCharSequence(mTestString));
}
@Test
public void testFilter() {
final CharSequence result = mTransformationMethod.getTransformation(mTestString, mView);
assertTrue(TextUtils.equals(new SpannableString(mTestString), result));
assertTrue(result instanceof Spannable);
verify(mWrappedTransformationMethod, times(1)).getTransformation(
sameCharSequence(mTestString), same(mView));
verify(mEmojiCompat, times(1)).process(sameCharSequence(mTestString));
verify(mEmojiCompat, never()).registerInitCallback(any(EmojiCompat.InitCallback.class));
}
@Test
public void testFilter_whenEmojiCompatLoading() {
when(mEmojiCompat.getLoadState()).thenReturn(EmojiCompat.LOAD_STATE_LOADING);
final CharSequence result = mTransformationMethod.getTransformation(mTestString, mView);
assertSame(mTestString, result);
verify(mWrappedTransformationMethod, times(1)).getTransformation(
sameCharSequence(mTestString), same(mView));
verify(mEmojiCompat, never()).process(sameCharSequence(mTestString));
verify(mEmojiCompat, never()).registerInitCallback(any(EmojiCompat.InitCallback.class));
}
@Test
public void testFilter_whenEmojiCompatLoadFailed() {
when(mEmojiCompat.getLoadState()).thenReturn(EmojiCompat.LOAD_STATE_FAILED);
final CharSequence result = mTransformationMethod.getTransformation(mTestString, mView);
assertSame(mTestString, result);
verify(mWrappedTransformationMethod, times(1)).getTransformation(
sameCharSequence(mTestString), same(mView));
verify(mEmojiCompat, never()).process(sameCharSequence(mTestString));
verify(mEmojiCompat, never()).registerInitCallback(any(EmojiCompat.InitCallback.class));
}
@Test
public void testFilter_withManualLoadStrategy() {
when(mEmojiCompat.getLoadState()).thenReturn(EmojiCompat.LOAD_STATE_DEFAULT);
final CharSequence result = mTransformationMethod.getTransformation(mTestString, mView);
assertSame(mTestString, result);
verify(mWrappedTransformationMethod, times(1)).getTransformation(
sameCharSequence(mTestString), same(mView));
verify(mEmojiCompat, never()).process(sameCharSequence(mTestString));
verify(mEmojiCompat, never()).registerInitCallback(any(EmojiCompat.InitCallback.class));
}
}