Adds capability to display warnings in LaunchBar Launch Config Dialog

Add SWTBot to test that the Launch Configuration, when opened via the
Launch Bar, displays a warning in the message area.

Author: betamaxbandit

launchbar/org.eclipse.launchbar.ui.tests/plugin.xml

@@ -12,6 +12,15 @@
                after="org.eclipse.debug.ui.prototypeTab">
          </placement>
       </tab>
+      <!-- Test for Launch Bar Launch Configuration Warnings -->
+      <tab
+            class="org.eclipse.launchbar.ui.tests.internal.WarningLaunchConfigTab"
+            group="org.eclipse.pde.ui.launcher.WorkbenchLauncherTabGroup"
+            id="org.eclipse.launchbar.ui.tests.internal.WarningLaunchConfigTab"
+            name="Warning Tab">
+         <placement
+               after="my.custom.tab">
+         </placement>
+      </tab>
    </extension>
-
 </plugin>

launchbar/org.eclipse.launchbar.ui.tests/src/org/eclipse/launchbar/ui/tests/internal/CreateLaunchConfigTests.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2017, 2021 QNX Software Systems and others.
+ * Copyright (c) 2017, 2024 Renesas Electronics Europe and others.
  *
  * This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License 2.0
@@ -11,9 +11,11 @@
 package org.eclipse.launchbar.ui.tests.internal;
 
 import static org.eclipse.swtbot.eclipse.finder.matchers.WidgetMatcherFactory.withPartName;
+import static org.eclipse.swtbot.swt.finder.matchers.WidgetMatcherFactory.widgetOfType;
 import static org.junit.jupiter.api.Assertions.fail;
 
 import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicReference;
 
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.debug.core.DebugPlugin;
@@ -24,6 +26,7 @@
 import org.eclipse.launchbar.ui.tests.SWTBotConfigSelector;
 import org.eclipse.launchbar.ui.tests.SWTBotConfigSelector.EditConfigDialog;
 import org.eclipse.launchbar.ui.tests.SWTBotConfigSelector.NewConfigDialog;
+import org.eclipse.swt.widgets.Text;
 import org.eclipse.swtbot.eclipse.finder.SWTWorkbenchBot;
 import org.eclipse.swtbot.eclipse.finder.widgets.SWTBotView;
 import org.eclipse.swtbot.swt.finder.SWTBot;
@@ -139,4 +142,50 @@ public String getFailureMessage() {
 			}
 		});
 	}
+
+	/**
+	 * Tests that the Launch Configuration, when opened via the Launch Bar, displays a warning
+	 * in the message area.
+	 * @see {@link WarningLaunchConfigTab}
+	 * @see {@code org.eclipse.launchbar.ui.tests/plugin.xml}
+	 */
+	@Test
+	@Timeout(value = 2, unit = TimeUnit.MINUTES)
+	public void createNewLaunchConfigWithWarning() throws Exception {
+		// Test message. Needs to be effectively final.
+		AtomicReference<String> errorMessage = new AtomicReference<>();
+
+		// Create config with launchbar
+		bot.waitUntil(new ICondition() {
+			@Override
+			public void init(SWTBot bot) {
+				/*
+				 * Use the Launch Bar new Launch Config and create an Eclipse Application Launch Config.
+				 * This will include a WarningLaunchConfigTab tab which has a warning set in it.
+				 */
+				NewConfigDialog dialog = new SWTBotConfigSelector(bot).newConfigDialog();
+				dialog.setMode("Debug").setType("Eclipse Application").next();
+
+				// Select the warning tab, which sets the Launch Config message area to contain a warning.
+				dialog.bot().cTabItem(WarningLaunchConfigTab.TAB_NAME).activate();
+
+				// Get the Launch Config message area and stash the warning message for testing later
+				int indexOfErrorLabel = dialog.bot().widgets(widgetOfType(Text.class)).size() - 1;
+				errorMessage.set(dialog.bot().text(indexOfErrorLabel).getText());
+
+				dialog.finish();
+			}
+
+			@Override
+			public boolean test() throws Exception {
+				return errorMessage.get() != null && errorMessage.get().equals(WarningLaunchConfigTab.WARNING_MESSAGE);
+			}
+
+			@Override
+			public String getFailureMessage() {
+				return String.format("Incorrect warning message; expected=%s, actual=%s",
+						WarningLaunchConfigTab.WARNING_MESSAGE, errorMessage.get());
+			}
+		});
+	}
 }

launchbar/org.eclipse.launchbar.ui.tests/src/org/eclipse/launchbar/ui/tests/internal/WarningLaunchConfigTab.java

@@ -0,0 +1,65 @@
+/*******************************************************************************
+ * Copyright (c) 2024 Renesas Electronics Europe 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
+ *******************************************************************************/
+package org.eclipse.launchbar.ui.tests.internal;
+
+import org.eclipse.debug.core.ILaunchConfiguration;
+import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy;
+import org.eclipse.debug.ui.AbstractLaunchConfigurationTab;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.layout.RowLayout;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Label;
+
+/**
+ * Creates a tab to test that the Launch Configuration, when opened via the Launch Bar,
+ * displays a warning in the message area.
+ * @see {@link CreateLaunchConfigTests}
+ */
+public class WarningLaunchConfigTab extends AbstractLaunchConfigurationTab {
+	public static final String WARNING_MESSAGE = "This is a warning";
+	public static final String TAB_NAME = "Warning Tab";
+
+	@Override
+	public void createControl(Composite parent) {
+		parent.setLayout(new RowLayout());
+		Label label = new Label(parent, SWT.NONE);
+		label.setText("The Launch Configuration message area should show a warning message!");
+		setControl(label);
+	}
+
+	@Override
+	public void setDefaults(ILaunchConfigurationWorkingCopy configuration) {
+	}
+
+	@Override
+	public void initializeFrom(ILaunchConfiguration configuration) {
+	}
+
+	@Override
+	public void performApply(ILaunchConfigurationWorkingCopy configuration) {
+	}
+
+	@Override
+	public String getName() {
+		return TAB_NAME;
+	}
+
+	@Override
+	public String getId() {
+		return "org.eclipse.launchbar.ui.tests.internal.WarningLaunchConfigTab";
+	}
+
+	@Override
+	public boolean isValid(ILaunchConfiguration launchConfig) {
+		setWarningMessage(WARNING_MESSAGE);
+		return true;
+	}
+}