1/* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package android.support.text.emoji.widget; 18 19import static org.hamcrest.CoreMatchers.instanceOf; 20import static org.junit.Assert.assertEquals; 21import static org.junit.Assert.assertSame; 22import static org.junit.Assert.assertThat; 23import static org.mockito.Mockito.mock; 24import static org.mockito.Mockito.times; 25import static org.mockito.Mockito.verify; 26 27import android.annotation.TargetApi; 28import android.support.test.InstrumentationRegistry; 29import android.support.test.filters.SdkSuppress; 30import android.support.test.filters.SmallTest; 31import android.support.test.runner.AndroidJUnit4; 32import android.support.text.emoji.EmojiCompat; 33import android.text.TextWatcher; 34import android.text.method.KeyListener; 35import android.view.inputmethod.InputConnection; 36import android.widget.EditText; 37 38import org.junit.Before; 39import org.junit.Test; 40import org.junit.runner.RunWith; 41import org.mockito.ArgumentCaptor; 42 43@SmallTest 44@RunWith(AndroidJUnit4.class) 45@SdkSuppress(minSdkVersion = 19) 46@TargetApi(19) 47public class EmojiEditTextHelperTest { 48 EmojiEditTextHelper mEmojiEditTextHelper; 49 EditText mEditText; 50 51 @Before 52 public void setup() { 53 EmojiCompat.reset(mock(EmojiCompat.class)); 54 mEditText = new EditText(InstrumentationRegistry.getTargetContext()); 55 mEmojiEditTextHelper = new EmojiEditTextHelper(mEditText); 56 } 57 58 @Test(expected = NullPointerException.class) 59 public void testGetKeyListener_withNull_throwsException() { 60 mEmojiEditTextHelper.getKeyListener(null); 61 } 62 63 @Test 64 public void testGetKeyListener_returnsEmojiKeyListener() { 65 final KeyListener keyListener = mEmojiEditTextHelper.getKeyListener( 66 mock(KeyListener.class)); 67 68 assertThat(keyListener, instanceOf(EmojiKeyListener.class)); 69 } 70 71 @Test 72 public void testGetKeyListener_doesNotCreateNewInstance() { 73 KeyListener mockKeyListener = mock(KeyListener.class); 74 final KeyListener keyListener1 = mEmojiEditTextHelper.getKeyListener(mockKeyListener); 75 final KeyListener keyListener2 = mEmojiEditTextHelper.getKeyListener(keyListener1); 76 assertSame(keyListener1, keyListener2); 77 } 78 79 @Test(expected = NullPointerException.class) 80 public void testGetOnCreateInputConnection_withNull_throwsException() { 81 mEmojiEditTextHelper.onCreateInputConnection(null, null); 82 } 83 84 @Test 85 public void testGetOnCreateInputConnection_returnsEmojiInputConnection() { 86 final InputConnection inputConnection = mEmojiEditTextHelper.onCreateInputConnection( 87 mock(InputConnection.class), null); 88 89 assertThat(inputConnection, instanceOf(EmojiInputConnection.class)); 90 } 91 92 @Test 93 public void testGetOnCreateInputConnection_doesNotCreateNewInstance() { 94 final InputConnection ic1 = mEmojiEditTextHelper.onCreateInputConnection( 95 mock(InputConnection.class), null); 96 final InputConnection ic2 = mEmojiEditTextHelper.onCreateInputConnection(ic1, null); 97 98 assertSame(ic1, ic2); 99 } 100 101 @Test 102 public void testAttachesTextWatcher() { 103 mEditText = mock(EditText.class); 104 mEmojiEditTextHelper = new EmojiEditTextHelper(mEditText); 105 106 final ArgumentCaptor<TextWatcher> argumentCaptor = ArgumentCaptor.forClass( 107 TextWatcher.class); 108 109 verify(mEditText, times(1)).addTextChangedListener(argumentCaptor.capture()); 110 assertThat(argumentCaptor.getValue(), instanceOf(EmojiTextWatcher.class)); 111 } 112 113 @Test 114 public void testSetMaxCount() { 115 mEditText = mock(EditText.class); 116 mEmojiEditTextHelper = new EmojiEditTextHelper(mEditText); 117 // capture TextWatcher 118 final ArgumentCaptor<TextWatcher> argumentCaptor = ArgumentCaptor.forClass( 119 TextWatcher.class); 120 verify(mEditText, times(1)).addTextChangedListener(argumentCaptor.capture()); 121 assertThat(argumentCaptor.getValue(), instanceOf(EmojiTextWatcher.class)); 122 final EmojiTextWatcher emojiTextWatcher = (EmojiTextWatcher) argumentCaptor.getValue(); 123 124 mEmojiEditTextHelper.setMaxEmojiCount(1); 125 126 assertEquals(1, emojiTextWatcher.getMaxEmojiCount()); 127 } 128 129 @Test 130 public void testSetEmojiReplaceStrategy() { 131 mEditText = mock(EditText.class); 132 mEmojiEditTextHelper = new EmojiEditTextHelper(mEditText); 133 134 //assert the default value 135 assertEquals(EmojiCompat.REPLACE_STRATEGY_DEFAULT, 136 mEmojiEditTextHelper.getEmojiReplaceStrategy()); 137 138 // capture TextWatcher 139 final ArgumentCaptor<TextWatcher> argumentCaptor = ArgumentCaptor.forClass( 140 TextWatcher.class); 141 verify(mEditText, times(1)).addTextChangedListener(argumentCaptor.capture()); 142 assertThat(argumentCaptor.getValue(), instanceOf(EmojiTextWatcher.class)); 143 final EmojiTextWatcher emojiTextWatcher = (EmojiTextWatcher) argumentCaptor.getValue(); 144 145 mEmojiEditTextHelper.setEmojiReplaceStrategy(EmojiCompat.REPLACE_STRATEGY_NON_EXISTENT); 146 147 assertEquals(EmojiCompat.REPLACE_STRATEGY_NON_EXISTENT, 148 mEmojiEditTextHelper.getEmojiReplaceStrategy()); 149 150 assertEquals(EmojiCompat.REPLACE_STRATEGY_NON_EXISTENT, 151 emojiTextWatcher.getEmojiReplaceStrategy()); 152 } 153 154} 155