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/*******************************************************************************
* Copyright (c) 2021 Red Hat Inc. and others
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
// *
* Contributors:
* Red Hat Inc.
*******************************************************************************/
package org.eclipse.ui.genericeditor.tests;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import org.junit.Assume;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TestName;
import org.eclipse.swt.custom.StyledText;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Link;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
import org.eclipse.core.runtime.Platform;
import org.eclipse.text.tests.Accessor;
import org.eclipse.jface.text.AbstractInformationControl;
import org.eclipse.jface.text.AbstractInformationControlManager;
import org.eclipse.jface.text.ITextOperationTarget;
import org.eclipse.jface.text.ITextViewer;
import org.eclipse.jface.text.source.ISourceViewer;
import org.eclipse.jface.text.source.SourceViewer;
import org.eclipse.jface.text.tests.util.DisplayHelper;
import org.eclipse.ui.genericeditor.tests.contributions.AlrightyHoverProvider;
import org.eclipse.ui.workbench.texteditor.tests.ScreenshotTest;
import org.eclipse.ui.texteditor.AbstractTextEditor;
/**
* @since 1.2
*/
public class ShowInformationTest extends AbstratGenericEditorTest {
@Rule
public TestName testName= new TestName();
@Before
public void skipOnNonLinux() {
Assume.assumeFalse("This test currently always fail on Windows (bug 505842), skipping", Platform.OS_WIN32.equals(Platform.getOS()));
Assume.assumeFalse("This test currently always fail on macOS (bug 505842), skipping", Platform.OS_MACOSX.equals(Platform.getOS()));
}
@Test
public void testInformationControl() throws Exception {
Shell shell= getHoverShell(triggerCompletionAndRetrieveInformationControlManager(), true);
assertNotNull(findControl(shell, StyledText.class, AlrightyHoverProvider.LABEL));
}
private Shell getHoverShell(AbstractInformationControlManager manager, boolean failOnError) {
AbstractInformationControl[] control= { null };
new DisplayHelper() {
@Override
protected boolean condition() {
control[0]= (AbstractInformationControl) new Accessor(manager, AbstractInformationControlManager.class).get("fInformationControl");
return control[0] != null;
}
}.waitForCondition(this.editor.getSite().getShell().getDisplay(), 5000);
if (control[0] == null) {
if (failOnError) {
ScreenshotTest.takeScreenshot(getClass(), testName.getMethodName(), System.out);
fail();
} else {
return null;
}
}
boolean[] result = {false};
Shell shell= (Shell) new Accessor(control[0], AbstractInformationControl.class).get("fShell");
new DisplayHelper() {
@Override
protected boolean condition() {
return (result[0] = shell.isVisible());
}
}.waitForCondition(control[0].getShell().getDisplay(), 2000);
if (failOnError) {
assertTrue(shell.isVisible());
}
return shell;
}
private <T extends Control> T findControl(Control control, Class<T> controlType, String label) {
if (control.getClass() == controlType) {
@SuppressWarnings("unchecked")
T res= (T) control;
if (label == null) {
return res;
}
String controlLabel= null;
if (control instanceof Label) {
controlLabel= ((Label) control).getText();
} else if (control instanceof Link) {
controlLabel= ((Link) control).getText();
} else if (control instanceof Text) {
controlLabel= ((Text) control).getText();
} else if (control instanceof StyledText) {
controlLabel= ((StyledText) control).getText();
}
if (controlLabel != null && controlLabel.contains(label)) {
return res;
}
} else if (control instanceof Composite) {
for (Control child : ((Composite) control).getChildren()) {
T res= findControl(child, controlType, label);
if (res != null) {
return res;
}
}
}
return null;
}
private Object getShowInformationData(AbstractInformationControlManager manager) {
return new Accessor(manager, AbstractInformationControlManager.class).get("fInformation");
}
private AbstractInformationControlManager triggerCompletionAndRetrieveInformationControlManager() {
final int caretLocation= 2;
this.editor.selectAndReveal(caretLocation, 0);
final StyledText editorTextWidget= (StyledText) this.editor.getAdapter(Control.class);
new DisplayHelper() {
@Override
protected boolean condition() {
return editorTextWidget.isFocusControl() && editorTextWidget.getSelection().x == caretLocation;
}
}.waitForCondition(editorTextWidget.getDisplay(), 3000);
// sending event to trigger hover computation
editorTextWidget.getShell().forceActive();
editorTextWidget.getShell().setActive();
editorTextWidget.getShell().setFocus();
editorTextWidget.getShell().getDisplay().wake();
ITextViewer viewer= (ITextViewer) new Accessor(editor, AbstractTextEditor.class).invoke("getSourceViewer", new Object[0]);
ITextOperationTarget textOperationTarget = (ITextOperationTarget)viewer;
assertTrue(textOperationTarget.canDoOperation(ISourceViewer.INFORMATION));
textOperationTarget.doOperation(ISourceViewer.INFORMATION);
AbstractInformationControlManager informationControlManager= (AbstractInformationControlManager) new Accessor(viewer, SourceViewer.class).get("fInformationPresenter");
// retrieving hover content
new DisplayHelper() {
@Override
protected boolean condition() {
return getShowInformationData(informationControlManager) != null;
}
}.waitForCondition(editorTextWidget.getDisplay(), 6000);
return informationControlManager;
}
}
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