| /* |
| * Copyright (C) 2017 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 android.view.textclassifier; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertThat; |
| import static org.mockito.Mockito.mock; |
| |
| import android.os.LocaleList; |
| import android.support.test.InstrumentationRegistry; |
| import android.support.test.filters.SmallTest; |
| import android.support.test.runner.AndroidJUnit4; |
| |
| import org.hamcrest.BaseMatcher; |
| import org.hamcrest.Description; |
| import org.hamcrest.Matcher; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| import java.util.List; |
| import java.util.Locale; |
| |
| @SmallTest |
| @RunWith(AndroidJUnit4.class) |
| public class TextClassificationManagerTest { |
| |
| private static final LocaleList LOCALES = LocaleList.forLanguageTags("en"); |
| private static final String NO_TYPE = null; |
| |
| private TextClassificationManager mTcm; |
| private TextClassifier mClassifier; |
| |
| @Before |
| public void setup() { |
| mTcm = InstrumentationRegistry.getTargetContext() |
| .getSystemService(TextClassificationManager.class); |
| mTcm.setTextClassifier(null); |
| mClassifier = mTcm.getTextClassifier(); |
| } |
| |
| @Test |
| public void testSmartSelection() { |
| if (isTextClassifierDisabled()) return; |
| |
| String text = "Contact me at droid@android.com"; |
| String selected = "droid"; |
| String suggested = "droid@android.com"; |
| int startIndex = text.indexOf(selected); |
| int endIndex = startIndex + selected.length(); |
| int smartStartIndex = text.indexOf(suggested); |
| int smartEndIndex = smartStartIndex + suggested.length(); |
| |
| assertThat(mClassifier.suggestSelection(text, startIndex, endIndex, LOCALES), |
| isTextSelection(smartStartIndex, smartEndIndex, TextClassifier.TYPE_EMAIL)); |
| } |
| |
| @Test |
| public void testSmartSelection_nullLocaleList() { |
| if (isTextClassifierDisabled()) return; |
| |
| String text = "Contact me at droid@android.com"; |
| String selected = "droid"; |
| String suggested = "droid@android.com"; |
| int startIndex = text.indexOf(selected); |
| int endIndex = startIndex + selected.length(); |
| int smartStartIndex = text.indexOf(suggested); |
| int smartEndIndex = smartStartIndex + suggested.length(); |
| LocaleList nullLocales = null; |
| |
| assertThat(mClassifier.suggestSelection(text, startIndex, endIndex, nullLocales), |
| isTextSelection(smartStartIndex, smartEndIndex, TextClassifier.TYPE_EMAIL)); |
| } |
| |
| @Test |
| public void testSmartSelection_url() { |
| if (isTextClassifierDisabled()) return; |
| |
| String text = "Visit http://www.android.com for more information"; |
| String selected = "http"; |
| String suggested = "http://www.android.com"; |
| int startIndex = text.indexOf(selected); |
| int endIndex = startIndex + selected.length(); |
| int smartStartIndex = text.indexOf(suggested); |
| int smartEndIndex = smartStartIndex + suggested.length(); |
| |
| assertThat(mClassifier.suggestSelection(text, startIndex, endIndex, LOCALES), |
| isTextSelection(smartStartIndex, smartEndIndex, TextClassifier.TYPE_URL)); |
| } |
| |
| @Test |
| public void testSmartSelection_withEmoji() { |
| if (isTextClassifierDisabled()) return; |
| |
| String text = "\uD83D\uDE02 Hello."; |
| String selected = "Hello"; |
| int startIndex = text.indexOf(selected); |
| int endIndex = startIndex + selected.length(); |
| |
| assertThat(mClassifier.suggestSelection(text, startIndex, endIndex, LOCALES), |
| isTextSelection(startIndex, endIndex, NO_TYPE)); |
| } |
| |
| @Test |
| public void testClassifyText() { |
| if (isTextClassifierDisabled()) return; |
| |
| String text = "Contact me at droid@android.com"; |
| String classifiedText = "droid@android.com"; |
| int startIndex = text.indexOf(classifiedText); |
| int endIndex = startIndex + classifiedText.length(); |
| assertThat(mClassifier.classifyText(text, startIndex, endIndex, LOCALES), |
| isTextClassification(classifiedText, TextClassifier.TYPE_EMAIL)); |
| } |
| |
| @Test |
| public void testTextClassifyText_url() { |
| if (isTextClassifierDisabled()) return; |
| |
| String text = "Visit http://www.android.com for more information"; |
| String classifiedText = "www.android.com"; |
| int startIndex = text.indexOf(classifiedText); |
| int endIndex = startIndex + classifiedText.length(); |
| assertThat(mClassifier.classifyText(text, startIndex, endIndex, LOCALES), |
| isTextClassification(classifiedText, TextClassifier.TYPE_URL)); |
| } |
| |
| @Test |
| public void testTextClassifyText_nullLocaleList() { |
| if (isTextClassifierDisabled()) return; |
| |
| String text = "Contact me at droid@android.com"; |
| String classifiedText = "droid@android.com"; |
| int startIndex = text.indexOf(classifiedText); |
| int endIndex = startIndex + classifiedText.length(); |
| LocaleList nullLocales = null; |
| assertThat(mClassifier.classifyText(text, startIndex, endIndex, nullLocales), |
| isTextClassification(classifiedText, TextClassifier.TYPE_EMAIL)); |
| } |
| |
| @Test |
| public void testLanguageDetection() { |
| if (isTextClassifierDisabled()) return; |
| |
| String text = "This is a piece of English text"; |
| assertThat(mTcm.detectLanguages(text), isDetectedLanguage("en")); |
| |
| text = "Das ist ein deutscher Text"; |
| assertThat(mTcm.detectLanguages(text), isDetectedLanguage("de")); |
| |
| text = "これは日本語のテキストです"; |
| assertThat(mTcm.detectLanguages(text), isDetectedLanguage("ja")); |
| } |
| |
| @Test |
| public void testSetTextClassifier() { |
| TextClassifier classifier = mock(TextClassifier.class); |
| mTcm.setTextClassifier(classifier); |
| assertEquals(classifier, mTcm.getTextClassifier()); |
| } |
| |
| private boolean isTextClassifierDisabled() { |
| return mClassifier == TextClassifier.NO_OP; |
| } |
| |
| private static Matcher<TextSelection> isTextSelection( |
| final int startIndex, final int endIndex, final String type) { |
| return new BaseMatcher<TextSelection>() { |
| @Override |
| public boolean matches(Object o) { |
| if (o instanceof TextSelection) { |
| TextSelection selection = (TextSelection) o; |
| return startIndex == selection.getSelectionStartIndex() |
| && endIndex == selection.getSelectionEndIndex() |
| && typeMatches(selection, type); |
| } |
| return false; |
| } |
| |
| private boolean typeMatches(TextSelection selection, String type) { |
| return type == null |
| || (selection.getEntityCount() > 0 |
| && type.trim().equalsIgnoreCase(selection.getEntity(0))); |
| } |
| |
| @Override |
| public void describeTo(Description description) { |
| description.appendValue( |
| String.format("%d, %d, %s", startIndex, endIndex, type)); |
| } |
| }; |
| } |
| |
| private static Matcher<TextClassification> isTextClassification( |
| final String text, final String type) { |
| return new BaseMatcher<TextClassification>() { |
| @Override |
| public boolean matches(Object o) { |
| if (o instanceof TextClassification) { |
| TextClassification result = (TextClassification) o; |
| final boolean typeRequirementSatisfied; |
| switch (type) { |
| case TextClassifier.TYPE_URL: |
| String scheme = result.getIntent().getData().getScheme(); |
| typeRequirementSatisfied = "http".equalsIgnoreCase(scheme) |
| || "https".equalsIgnoreCase(scheme); |
| break; |
| default: |
| typeRequirementSatisfied = true; |
| } |
| |
| return typeRequirementSatisfied |
| && text.equals(result.getText()) |
| && result.getEntityCount() > 0 |
| && type.equals(result.getEntity(0)); |
| // TODO: Include other properties. |
| } |
| return false; |
| } |
| |
| @Override |
| public void describeTo(Description description) { |
| description.appendText("text=").appendValue(text) |
| .appendText(", type=").appendValue(type); |
| } |
| }; |
| } |
| |
| private static Matcher<List<TextLanguage>> isDetectedLanguage(final String language) { |
| return new BaseMatcher<List<TextLanguage>>() { |
| @Override |
| public boolean matches(Object o) { |
| if (o instanceof List) { |
| List languages = (List) o; |
| if (!languages.isEmpty()) { |
| Object o1 = languages.get(0); |
| if (o1 instanceof TextLanguage) { |
| TextLanguage lang = (TextLanguage) o1; |
| return lang.getLanguageCount() > 0 |
| && new Locale(language).getLanguage() |
| .equals(lang.getLanguage(0).getLanguage()); |
| } |
| } |
| } |
| return false; |
| } |
| |
| @Override |
| public void describeTo(Description description) { |
| description.appendValue(String.format("%s", language)); |
| } |
| }; |
| } |
| } |