Adding getServerRuntime in RuntimePref page

 - fixes #1711

Signed-off-by: Ondrej Dockal <odockal@redhat.com>

plugins/org.eclipse.reddeer.eclipse/src/org/eclipse/reddeer/eclipse/wst/server/ui/RuntimePreferencePage.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2017 Red Hat, Inc and others.
+ * Copyright (c) 2018 Red Hat, Inc and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -12,6 +12,7 @@
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.stream.Collectors;
 
 import org.eclipse.reddeer.common.logging.Logger;
 import org.eclipse.reddeer.common.wait.TimePeriod;
@@ -71,6 +72,47 @@ public List<Runtime> getServerRuntimes(){
 		return runtimes;
 	}
 
+	/**
+	 * Returns server runtime based on passed name and type
+	 * @param name string parameters representing name of the runtime
+	 * @param type string type of runtime
+	 * @return runtime object fulfilling conditions of equality
+	 */
+	public Runtime getServerRuntime(String name, String type) {
+		return getServerRuntime(new Runtime(name, type));
+	}
+
+	/**
+	 * Returns server runtime based on passed runtime
+	 * @param runtime runtime object to find
+	 * @return runtime object if equals to passed parameter, null if there is none or
+	 *  throws an exception if there are more than one runtime found
+	 */
+	public Runtime getServerRuntime(Runtime runtime) {
+		List<Runtime> resultRuntimes = getServerRuntimes()
+				.stream()
+				.filter((run) -> run.equals(runtime))
+				.collect(Collectors.toList());
+		return resultRuntimes.isEmpty() ? null : resultRuntimes.get(0);
+	}
+
+	/**
+	 * Returns server runtime based on its name.
+	 * @param name string name parameter
+	 * @return runtime object if equals to passed parameter, null if there is none or
+	 *  throws an exception if there are more than one runtime found
+	 */
+	public Runtime getServerRuntime(String name) {
+		List<Runtime> resultRuntimes = getServerRuntimes()
+				.stream()
+				.filter((runtime) -> runtime.getName().equals(name))
+				.collect(Collectors.toList());
+		if (resultRuntimes.size() > 1) {
+			throw new EclipseLayerException("There are more than one runtime fulfilling conditions. Result is ambiguous.");
+		}
+		return resultRuntimes.isEmpty() ? null : resultRuntimes.get(0);
+	}
+
 	/**
 	 * Removes a given runtime.
 	 * 
@@ -115,7 +157,7 @@ private RuntimePreferencePage selectRuntime(String name){
 				return this;
 			}
 		}
-		throw new EclipseLayerException("Unable to find runtime "+name);
+		throw new EclipseLayerException("Unable to find runtime " + name);
 	}
 
 	/**

tests/org.eclipse.reddeer.eclipse.test/plugin.xml

@@ -17,6 +17,8 @@
    			<moduleType types="PHP" versions="1.0"/>
    			<moduleType types="wst.web" versions="1.0"/>
    		</runtimeType>
+   		<runtimeType id="org.eclipse.reddeer.eclipse.test.wst.server.testserverruntime2" name="Test runtime 2" description="Second testing runtime" facetRuntimeComponent="org.eclipse.wst.server.http.runtime" facetRuntimeVersion="1.0" class="org.eclipse.reddeer.eclipse.test.wst.server.ui.TestServerRuntime2">
+   		</runtimeType>
    	</extension>
    	<extension point="org.eclipse.wst.server.core.serverTypes">
    		<serverType

tests/org.eclipse.reddeer.eclipse.test/src/org/eclipse/reddeer/eclipse/test/wst/server/ui/RuntimePreferencePageTest.java

@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2017 Red Hat, Inc and others.
+ * Copyright (c) 2018 Red Hat, Inc and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -13,9 +13,11 @@
 import static org.hamcrest.CoreMatchers.is;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertThat;
+import static org.junit.Assert.fail;
 
 import java.util.List;
 
+import org.eclipse.reddeer.eclipse.exception.EclipseLayerException;
 import org.eclipse.reddeer.eclipse.wst.server.ui.Runtime;
 import org.eclipse.reddeer.eclipse.wst.server.ui.RuntimePreferencePage;
 import org.eclipse.reddeer.eclipse.wst.server.ui.wizard.NewRuntimeWizardDialog;
@@ -33,6 +35,8 @@ public class RuntimePreferencePageTest {
 
 	private static final String SERVER_NAME = TestServerRuntime.NAME;
 
+	private static final String SERVER_NAME_2 = TestServerRuntime2.NAME;
+
 	private static final String SERVER_PATH = "Basic";
 
 	private WorkbenchPreferenceDialog preferencesDialog;
@@ -111,4 +115,39 @@ public void editRuntime(){
 
 		assertFalse(new PushButton(RuntimePreferencePage.EDIT_BUTTON_NAME).isEnabled());
 	}
+
+	@Test
+	public void getServerRuntime() {
+		NewRuntimeWizardDialog wizardDialog = preferencePage.addRuntime(); 
+		NewRuntimeWizardPage wizardPage = new NewRuntimeWizardPage(wizardDialog);
+		wizardPage.selectType(SERVER_PATH, SERVER_NAME);
+		wizardDialog.finish();
+
+		wizardDialog = preferencePage.addRuntime();
+		wizardPage = new NewRuntimeWizardPage(wizardDialog);
+		wizardPage.selectType(SERVER_PATH, SERVER_NAME_2);
+		wizardDialog.finish();
+
+		wizardDialog = preferencePage.addRuntime();
+		wizardPage = new NewRuntimeWizardPage(wizardDialog);
+		wizardPage.selectType(SERVER_PATH, SERVER_NAME_2);
+		wizardDialog.finish();
+
+		List<Runtime> runtimes = preferencePage.getServerRuntimes();
+		assertThat(runtimes.size(), is(3));
+
+		Runtime runtime1 = preferencePage.getServerRuntime(SERVER_NAME, SERVER_NAME);
+		assertThat(runtime1, is(new Runtime(SERVER_NAME, SERVER_NAME)));
+
+		Runtime runtime2 = preferencePage.getServerRuntime(new Runtime(SERVER_NAME_2, SERVER_NAME_2));
+		assertThat(runtime2, is(new Runtime(SERVER_NAME_2, SERVER_NAME_2)));
+
+		Runtime runtime3 = null;
+		try {
+			runtime3 = preferencePage.getServerRuntime(SERVER_NAME_2);
+		} catch (EclipseLayerException exc) {
+			fail(exc.getMessage());
+		}
+		assertThat(runtime3, is(new Runtime(SERVER_NAME_2, SERVER_NAME_2)));		
+	}
 }

tests/org.eclipse.reddeer.eclipse.test/src/org/eclipse/reddeer/eclipse/test/wst/server/ui/TestServerRuntime2.java

@@ -0,0 +1,36 @@
+/*******************************************************************************
+ * Copyright (c) 2018 Red Hat, Inc and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     Red Hat Inc. - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.reddeer.eclipse.test.wst.server.ui;
+
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Path;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.wst.server.core.model.RuntimeDelegate;
+
+public class TestServerRuntime2 extends RuntimeDelegate {
+
+	public static final String ID = "org.eclipse.reddeer.eclipse.test.wst.server.testserverruntime";
+
+	public static final String CATEGORY = "Basic";
+
+	public static final String NAME = "Test runtime 2";
+
+	public static final String TYPE = "Test runtime 2";
+
+	public IStatus validate() {
+		return Status.OK_STATUS;
+	}
+
+	public void setDefaults(IProgressMonitor monitor) {
+		getRuntimeWorkingCopy().setLocation(new Path(""));
+	}
+}