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/*
* Copyright (C) 2016 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.setupwizardlib.span;
import static com.google.common.truth.Truth.assertThat;
import static com.google.common.truth.Truth.assertWithMessage;
import static org.robolectric.RuntimeEnvironment.application;
import android.content.Context;
import android.content.ContextWrapper;
import android.text.Selection;
import android.text.SpannableStringBuilder;
import android.text.method.LinkMovementMethod;
import android.widget.TextView;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.robolectric.RobolectricTestRunner;
@RunWith(RobolectricTestRunner.class)
public class LinkSpanTest {
@Test
public void onClick_shouldCallListenerOnContext() {
final TestContext context = new TestContext(application);
final TextView textView = new TextView(context);
final LinkSpan linkSpan = new LinkSpan("test_id");
linkSpan.onClick(textView);
assertWithMessage("Clicked LinkSpan should be passed to setup")
.that(context.clickedSpan)
.isSameAs(linkSpan);
}
@Test
public void onClick_contextDoesNotImplementOnClickListener_shouldBeNoOp() {
final TextView textView = new TextView(application);
final LinkSpan linkSpan = new LinkSpan("test_id");
linkSpan.onClick(textView);
// This would be no-op, because the context doesn't implement LinkSpan.OnClickListener.
// Just check that no uncaught exception here.
}
@Test
public void onClick_contextWrapsOnClickListener_shouldCallWrappedListener() {
final TestContext context = new TestContext(application);
final Context wrapperContext = new ContextWrapper(context);
final TextView textView = new TextView(wrapperContext);
final LinkSpan linkSpan = new LinkSpan("test_id");
linkSpan.onClick(textView);
assertWithMessage("Clicked LinkSpan should be passed to setup")
.that(context.clickedSpan)
.isSameAs(linkSpan);
}
@Test
public void onClick_shouldClearSelection() {
final TestContext context = new TestContext(application);
final TextView textView = new TextView(context);
textView.setMovementMethod(LinkMovementMethod.getInstance());
textView.setFocusable(true);
textView.setFocusableInTouchMode(true);
final LinkSpan linkSpan = new LinkSpan("test_id");
SpannableStringBuilder text = new SpannableStringBuilder("Lorem ipsum dolor sit");
textView.setText(text);
text.setSpan(linkSpan, /* start= */ 0, /* end= */ 5, /* flags= */ 0);
// Simulate the touch effect set by TextView when touched.
Selection.setSelection(text, /* start= */ 0, /* stop= */ 5);
linkSpan.onClick(textView);
assertThat(Selection.getSelectionStart(textView.getText())).isEqualTo(0);
assertThat(Selection.getSelectionEnd(textView.getText())).isEqualTo(0);
}
@SuppressWarnings("deprecation")
private static class TestContext extends ContextWrapper implements LinkSpan.OnClickListener {
public LinkSpan clickedSpan = null;
TestContext(Context base) {
super(base);
}
@Override
public void onClick(LinkSpan span) {
clickedSpan = span;
}
}
}
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