Bug 531780 - Rule Repository Tooling - Merge Dialog Does Not Open

* Added a check to the MergeWithViewHandler that read in resources have
content before trying to access it
* Refactored the MergeWithViewHandler handler into separate providers to
allow unit testing
* Added a unit test bundle for the rule repository tooling and 2 tests:
* The first test tests that all providers with correct intermediate
results are used.
* The second one tests that reading in an empty resource or one with
irrelevant content does not throw an exception

Change-Id: I04f7e8ea2711d83bc106e504988623082112bed1
Signed-off-by: Lucas Koehler <lkoehler@eclipsesource.com>
diff --git a/bundles/org.eclipse.emfforms.rulerepository.tooling/src/org/eclipse/emfforms/internal/rulerepository/tooling/merge/MergeWithViewHandler.java b/bundles/org.eclipse.emfforms.rulerepository.tooling/src/org/eclipse/emfforms/internal/rulerepository/tooling/merge/MergeWithViewHandler.java
index 3945d5b..c404d3e 100644
--- a/bundles/org.eclipse.emfforms.rulerepository.tooling/src/org/eclipse/emfforms/internal/rulerepository/tooling/merge/MergeWithViewHandler.java
+++ b/bundles/org.eclipse.emfforms.rulerepository.tooling/src/org/eclipse/emfforms/internal/rulerepository/tooling/merge/MergeWithViewHandler.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2011-2016 EclipseSource Muenchen GmbH and others.
+ * Copyright (c) 2011-2018 EclipseSource Muenchen GmbH and others.
  *
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
@@ -77,30 +77,142 @@
 		final ResourceSet resourceSet = ResourceSetHelpers.loadResourceSetWithProxies(
 			URI.createPlatformResourceURI(selectedFile.getFullPath().toOSString(), false),
 			new BasicCommandStack());
-		VView view = null;
-		VRuleRepository ruleRepository = null;
-		for (final Resource resource : resourceSet.getResources()) {
-			final EObject eObject = resource.getContents().get(0);
-			if (VView.class.isInstance(eObject)) {
-				view = VView.class.cast(eObject);
-			}
-			if (VRuleRepository.class.isInstance(eObject)) {
-				ruleRepository = VRuleRepository.class.cast(eObject);
-			}
-		}
-		if (ruleRepository == null) {
+
+		// FIXME Improve with Java8: Use method pointers
+		return this.mergeRuleRepoWithView(activeShell, resourceSet,
+			new ViewAndRepositoryProvider() {
+				@Override
+				public ViewAndRepository getViewAndRepository(ResourceSet resourceSet) {
+					return extractViewAndRepository(resourceSet);
+				}
+			},
+			new MergedViewPathProvider() {
+				@Override
+				public String getPath(Shell activeShell, VView view) {
+					return getMergedViewPath(activeShell, view);
+				}
+			},
+			new OperationProvider() {
+				@Override
+				public WorkspaceModifyOperation getOperation(Shell activeShell, String mergedViewPath,
+					VView mergedView) {
+					return getWorkspaceOperation(activeShell, mergedViewPath, mergedView);
+				}
+			},
+			new MergeProvider() {
+				@Override
+				public VView merge(VRuleRepository repository, VView view) {
+					return mergeRuleRepository(repository, view);
+				}
+
+			});
+	}
+
+	/** Provides a method to get the save path of the merged view. */
+	public interface MergedViewPathProvider {
+		/**
+		 *
+		 * @param activeShell The Shell
+		 * @param view The base view
+		 * @return The save path of the merged view
+		 */
+		String getPath(Shell activeShell, VView view);
+	}
+
+	/** Provides a method to create the {@link WorkspaceModifyOperation}. */
+	public interface OperationProvider {
+		/**
+		 * Get the {@link WorkspaceModifyOperation} that saved the merged view.
+		 *
+		 * @param activeShell The Shell
+		 * @param mergedViewPath The save path
+		 * @param mergedView The merged view
+		 * @return The {@link WorkspaceModifyOperation}
+		 */
+		WorkspaceModifyOperation getOperation(Shell activeShell, String mergedViewPath, VView mergedView);
+	}
+
+	/** Provides a method to get the {@link VView} and {@link VRuleRepository} from a {@link ResourceSet}. */
+	public interface ViewAndRepositoryProvider {
+		/**
+		 *
+		 * @param resourceSet The ResourceSet
+		 * @return The RuleRepository and View
+		 */
+		ViewAndRepository getViewAndRepository(ResourceSet resourceSet);
+	}
+
+	/** Provides a method to merge the RuleRepository. */
+	public interface MergeProvider {
+		/**
+		 * Merges the RuleRepository in the View.
+		 *
+		 * @param repository The {@link VRuleRepository}
+		 * @param view The {@link VView}
+		 * @return The merged View
+		 */
+		VView merge(VRuleRepository repository, VView view);
+	}
+
+	/**
+	 * Merges a RuleRepository into its associated VView. Thereby, multiple providers are used to execute each step of
+	 * the algorithm.
+	 *
+	 * @param activeShell The {@link Shell}
+	 * @param resourceSet The {@link ResourceSet} containing the Rule Repository and the View
+	 * @param viewAndRepositoryProvider The {@link ViewAndRepositoryProvider}
+	 * @param pathProvider The {@link MergedViewPathProvider}
+	 * @param operationProvider The {@link OperationProvider}
+	 * @param mergeProvider The {@link MergeProvider}
+	 * @return The {@link WorkspaceModifyOperation} saving the merged View
+	 */
+	WorkspaceModifyOperation mergeRuleRepoWithView(final Shell activeShell, final ResourceSet resourceSet,
+		ViewAndRepositoryProvider viewAndRepositoryProvider, MergedViewPathProvider pathProvider,
+		OperationProvider operationProvider, MergeProvider mergeProvider) {
+
+		final ViewAndRepository vur = viewAndRepositoryProvider.getViewAndRepository(resourceSet);
+
+		if (vur.getRuleRepository() == null) {
 			ErrorDialog.openError(activeShell, "Missing Rule Repository", //$NON-NLS-1$
 				"The file doesn't contain a rule repository!", //$NON-NLS-1$
 				new Status(IStatus.ERROR, ORG_ECLIPSE_EMFFORMS_RULEREPOSITORY_TOOLING, "No Rule Repository!")); //$NON-NLS-1$
 			return null;
 		}
-		if (view == null) {
+		if (vur.getView() == null) {
 			ErrorDialog.openError(activeShell, "Missing View", //$NON-NLS-1$
 				"You must link a view model first!", //$NON-NLS-1$
 				new Status(IStatus.ERROR, ORG_ECLIPSE_EMFFORMS_RULEREPOSITORY_TOOLING, "No View model linked!")); //$NON-NLS-1$
 			return null;
 		}
 
+		final String mergedViewPath = pathProvider.getPath(activeShell, vur.getView());
+
+		final VView mergedView = mergeProvider.merge(vur.getRuleRepository(), vur.getView());
+
+		// Do the work within an operation.
+		return operationProvider.getOperation(activeShell, mergedViewPath, mergedView);
+	}
+
+	/**
+	 * Merges the given rule repository into its linked VView.
+	 *
+	 * @param repository The {@link VRuleRepository}
+	 * @param view The VView linked in the {@link VRuleRepository}
+	 * @return The merged {@link VView}
+	 */
+	VView mergeRuleRepository(VRuleRepository repository, VView view) {
+		MergeHelper.merge(repository);
+		return EcoreUtil.copy(view);
+	}
+
+	/**
+	 * Opens a file save dialog to determine the save path of the merged view.
+	 *
+	 * @param activeShell The active Shell
+	 * @param view The View object
+	 * @return The save path
+	 */
+	String getMergedViewPath(final Shell activeShell, VView view) {
 		final SaveAsDialog sad = new SaveAsDialog(activeShell);
 		final URI viewURI = view.eResource().getURI();
 		final IWorkspace workspace = ResourcesPlugin.getWorkspace();
@@ -114,17 +226,27 @@
 		if (result == Window.CANCEL) {
 			return null;
 		}
-		MergeHelper.merge(ruleRepository);
-		final VView mergedView = EcoreUtil.copy(view);
-		// Do the work within an operation.
-		final WorkspaceModifyOperation operation = new WorkspaceModifyOperation() {
+		return sad.getResult().toString();
+	}
+
+	/**
+	 * Creates a {@link WorkspaceModifyOperation} to save the merged view model to the specified file.
+	 *
+	 * @param activeShell The active Shell
+	 * @param mergedViewPath The path where the merged view is saved
+	 * @param mergedView The merged view
+	 * @return The {@link WorkspaceModifyOperation}
+	 */
+	WorkspaceModifyOperation getWorkspaceOperation(final Shell activeShell, final String mergedViewPath,
+		final VView mergedView) {
+		return new WorkspaceModifyOperation() {
 			@Override
 			protected void execute(IProgressMonitor progressMonitor) {
 				// Create a resource set
 				final ResourceSet resourceSet = new ResourceSetImpl();
 
 				// Get the URI of the model file.
-				final URI fileURI = URI.createPlatformResourceURI(sad.getResult().toString(), true);
+				final URI fileURI = URI.createPlatformResourceURI(mergedViewPath, true);
 
 				// Create a resource for this file.
 				final Resource resource = resourceSet.createResource(fileURI);
@@ -146,7 +268,62 @@
 				}
 			}
 		};
-		return operation;
 	}
 
+	/**
+	 * Gets the VView and VRuleRepository from the given {@link ResourceSet}.
+	 *
+	 * @param resourceSet The resource set containing the view and rule repository
+	 * @return The {@link ViewAndRepository} container
+	 */
+	ViewAndRepository extractViewAndRepository(ResourceSet resourceSet) {
+		final ViewAndRepository result = new ViewAndRepository();
+		for (final Resource resource : resourceSet.getResources()) {
+			if (resource.getContents().isEmpty()) {
+				continue;
+			}
+			final EObject eObject = resource.getContents().get(0);
+			if (VView.class.isInstance(eObject)) {
+				result.setView(VView.class.cast(eObject));
+			}
+			if (VRuleRepository.class.isInstance(eObject)) {
+				result.setRuleRepository(VRuleRepository.class.cast(eObject));
+			}
+		}
+		return result;
+	}
+
+	/** Wrapper class containing a VView and a VRuleRepository. */
+	public static class ViewAndRepository {
+		private VView view;
+		private VRuleRepository ruleRepository;
+
+		/**
+		 * @return the view
+		 */
+		public VView getView() {
+			return view;
+		}
+
+		/**
+		 * @param view the view to set
+		 */
+		public void setView(VView view) {
+			this.view = view;
+		}
+
+		/**
+		 * @return the ruleRepository
+		 */
+		public VRuleRepository getRuleRepository() {
+			return ruleRepository;
+		}
+
+		/**
+		 * @param ruleRepository the ruleRepository to set
+		 */
+		public void setRuleRepository(VRuleRepository ruleRepository) {
+			this.ruleRepository = ruleRepository;
+		}
+	}
 }
diff --git a/releng/org.eclipse.emf.ecp.releng.tests/pom.xml b/releng/org.eclipse.emf.ecp.releng.tests/pom.xml
index 48a1181..4881ce8 100644
--- a/releng/org.eclipse.emf.ecp.releng.tests/pom.xml
+++ b/releng/org.eclipse.emf.ecp.releng.tests/pom.xml
@@ -200,6 +200,8 @@
 
         <module>../../tests/org.eclipse.emfforms.swt.treemasterdetail.test</module>
         
+        <module>../../tests/org.eclipse.emfforms.rulerepository.tooling.test</module>
+
         <!-- EMF2Web -->
 		<module>../../tests/org.eclipse.emf.ecp.emf2web.json.test</module>
 		
diff --git a/tests/org.eclipse.emfforms.rulerepository.tooling.test/.classpath b/tests/org.eclipse.emfforms.rulerepository.tooling.test/.classpath
new file mode 100644
index 0000000..ad32c83
--- /dev/null
+++ b/tests/org.eclipse.emfforms.rulerepository.tooling.test/.classpath
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.6"/>
+	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>
diff --git a/tests/org.eclipse.emfforms.rulerepository.tooling.test/.project b/tests/org.eclipse.emfforms.rulerepository.tooling.test/.project
new file mode 100644
index 0000000..a71ad23
--- /dev/null
+++ b/tests/org.eclipse.emfforms.rulerepository.tooling.test/.project
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>org.eclipse.emfforms.rulerepository.tooling.test</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.ManifestBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.SchemaBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.pde.PluginNature</nature>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>
diff --git a/tests/org.eclipse.emfforms.rulerepository.tooling.test/.settings/org.eclipse.core.resources.prefs b/tests/org.eclipse.emfforms.rulerepository.tooling.test/.settings/org.eclipse.core.resources.prefs
new file mode 100644
index 0000000..f548abb
--- /dev/null
+++ b/tests/org.eclipse.emfforms.rulerepository.tooling.test/.settings/org.eclipse.core.resources.prefs
@@ -0,0 +1,6 @@
+eclipse.preferences.version=1
+
+encoding//model/etypes.ecore=UTF-8
+
+
+encoding/<project>=UTF-8
diff --git a/tests/org.eclipse.emfforms.rulerepository.tooling.test/.settings/org.eclipse.core.runtime.prefs b/tests/org.eclipse.emfforms.rulerepository.tooling.test/.settings/org.eclipse.core.runtime.prefs
new file mode 100644
index 0000000..5a0ad22
--- /dev/null
+++ b/tests/org.eclipse.emfforms.rulerepository.tooling.test/.settings/org.eclipse.core.runtime.prefs
@@ -0,0 +1,2 @@
+eclipse.preferences.version=1
+line.separator=\n
diff --git a/tests/org.eclipse.emfforms.rulerepository.tooling.test/.settings/org.eclipse.jdt.core.prefs b/tests/org.eclipse.emfforms.rulerepository.tooling.test/.settings/org.eclipse.jdt.core.prefs
new file mode 100644
index 0000000..452e0c2
--- /dev/null
+++ b/tests/org.eclipse.emfforms.rulerepository.tooling.test/.settings/org.eclipse.jdt.core.prefs
@@ -0,0 +1,418 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.core.builder.cleanOutputFolder=clean
+org.eclipse.jdt.core.builder.duplicateResourceTask=warning
+org.eclipse.jdt.core.builder.invalidClasspath=abort
+org.eclipse.jdt.core.builder.recreateModifiedClassFileInOutputFolder=ignore
+org.eclipse.jdt.core.builder.resourceCopyExclusionFilter=
+org.eclipse.jdt.core.circularClasspath=error
+org.eclipse.jdt.core.classpath.exclusionPatterns=enabled
+org.eclipse.jdt.core.classpath.multipleOutputLocations=enabled
+org.eclipse.jdt.core.classpath.outputOverlappingAnotherSource=error
+org.eclipse.jdt.core.codeComplete.argumentPrefixes=
+org.eclipse.jdt.core.codeComplete.argumentSuffixes=
+org.eclipse.jdt.core.codeComplete.fieldPrefixes=
+org.eclipse.jdt.core.codeComplete.fieldSuffixes=
+org.eclipse.jdt.core.codeComplete.localPrefixes=
+org.eclipse.jdt.core.codeComplete.localSuffixes=
+org.eclipse.jdt.core.codeComplete.staticFieldPrefixes=
+org.eclipse.jdt.core.codeComplete.staticFieldSuffixes=
+org.eclipse.jdt.core.codeComplete.staticFinalFieldPrefixes=
+org.eclipse.jdt.core.codeComplete.staticFinalFieldSuffixes=
+org.eclipse.jdt.core.compiler.annotation.inheritNullAnnotations=disabled
+org.eclipse.jdt.core.compiler.annotation.missingNonNullByDefaultAnnotation=ignore
+org.eclipse.jdt.core.compiler.annotation.nonnull=org.eclipse.jdt.annotation.NonNull
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+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.compliance=1.6
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
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+org.eclipse.jdt.core.formatter.number_of_empty_lines_to_preserve=1
+org.eclipse.jdt.core.formatter.put_empty_statement_on_new_line=true
+org.eclipse.jdt.core.formatter.tabulation.char=tab
+org.eclipse.jdt.core.formatter.tabulation.size=4
+org.eclipse.jdt.core.formatter.use_on_off_tags=true
+org.eclipse.jdt.core.formatter.use_tabs_only_for_leading_indentations=false
+org.eclipse.jdt.core.formatter.wrap_before_binary_operator=true
+org.eclipse.jdt.core.formatter.wrap_before_or_operator_multicatch=true
+org.eclipse.jdt.core.formatter.wrap_outer_expressions_when_nested=true
+org.eclipse.jdt.core.incompatibleJDKLevel=ignore
+org.eclipse.jdt.core.incompleteClasspath=error
diff --git a/tests/org.eclipse.emfforms.rulerepository.tooling.test/.settings/org.eclipse.jdt.launching.prefs b/tests/org.eclipse.emfforms.rulerepository.tooling.test/.settings/org.eclipse.jdt.launching.prefs
new file mode 100644
index 0000000..3bb2352
--- /dev/null
+++ b/tests/org.eclipse.emfforms.rulerepository.tooling.test/.settings/org.eclipse.jdt.launching.prefs
@@ -0,0 +1,2 @@
+eclipse.preferences.version=1
+org.eclipse.jdt.launching.PREF_STRICTLY_COMPATIBLE_JRE_NOT_AVAILABLE=ignore
diff --git a/tests/org.eclipse.emfforms.rulerepository.tooling.test/.settings/org.eclipse.jdt.ui.prefs b/tests/org.eclipse.emfforms.rulerepository.tooling.test/.settings/org.eclipse.jdt.ui.prefs
new file mode 100644
index 0000000..8bc4bb4
--- /dev/null
+++ b/tests/org.eclipse.emfforms.rulerepository.tooling.test/.settings/org.eclipse.jdt.ui.prefs
@@ -0,0 +1,127 @@
+cleanup.add_default_serial_version_id=true
+cleanup.add_generated_serial_version_id=false
+cleanup.add_missing_annotations=true
+cleanup.add_missing_deprecated_annotations=true
+cleanup.add_missing_methods=false
+cleanup.add_missing_nls_tags=false
+cleanup.add_missing_override_annotations=true
+cleanup.add_missing_override_annotations_interface_methods=true
+cleanup.add_serial_version_id=false
+cleanup.always_use_blocks=true
+cleanup.always_use_parentheses_in_expressions=false
+cleanup.always_use_this_for_non_static_field_access=false
+cleanup.always_use_this_for_non_static_method_access=false
+cleanup.convert_functional_interfaces=false
+cleanup.convert_to_enhanced_for_loop=false
+cleanup.correct_indentation=false
+cleanup.format_source_code=true
+cleanup.format_source_code_changes_only=false
+cleanup.insert_inferred_type_arguments=false
+cleanup.make_local_variable_final=true
+cleanup.make_parameters_final=false
+cleanup.make_private_fields_final=true
+cleanup.make_type_abstract_if_missing_method=false
+cleanup.make_variable_declarations_final=true
+cleanup.never_use_blocks=false
+cleanup.never_use_parentheses_in_expressions=true
+cleanup.organize_imports=true
+cleanup.qualify_static_field_accesses_with_declaring_class=false
+cleanup.qualify_static_member_accesses_through_instances_with_declaring_class=true
+cleanup.qualify_static_member_accesses_through_subtypes_with_declaring_class=true
+cleanup.qualify_static_member_accesses_with_declaring_class=true
+cleanup.qualify_static_method_accesses_with_declaring_class=false
+cleanup.remove_private_constructors=true
+cleanup.remove_redundant_type_arguments=true
+cleanup.remove_trailing_whitespaces=true
+cleanup.remove_trailing_whitespaces_all=true
+cleanup.remove_trailing_whitespaces_ignore_empty=false
+cleanup.remove_unnecessary_casts=false
+cleanup.remove_unnecessary_nls_tags=false
+cleanup.remove_unused_imports=true
+cleanup.remove_unused_local_variables=false
+cleanup.remove_unused_private_fields=true
+cleanup.remove_unused_private_members=false
+cleanup.remove_unused_private_methods=true
+cleanup.remove_unused_private_types=true
+cleanup.sort_members=false
+cleanup.sort_members_all=false
+cleanup.use_anonymous_class_creation=false
+cleanup.use_blocks=true
+cleanup.use_blocks_only_for_return_and_throw=false
+cleanup.use_lambda=true
+cleanup.use_parentheses_in_expressions=true
+cleanup.use_this_for_non_static_field_access=true
+cleanup.use_this_for_non_static_field_access_only_if_necessary=true
+cleanup.use_this_for_non_static_method_access=true
+cleanup.use_this_for_non_static_method_access_only_if_necessary=true
+cleanup.use_type_arguments=false
+cleanup_profile=_esmCleanUp
+cleanup_settings_version=2
+eclipse.preferences.version=1
+editor_save_participant_org.eclipse.jdt.ui.postsavelistener.cleanup=true
+formatter_profile=_esmFormatter
+formatter_settings_version=12
+org.eclipse.jdt.ui.exception.name=ex
+org.eclipse.jdt.ui.gettersetter.use.is=true
+org.eclipse.jdt.ui.javadoc=true
+org.eclipse.jdt.ui.keywordthis=false
+org.eclipse.jdt.ui.overrideannotation=true
+org.eclipse.jdt.ui.text.custom_code_templates=<?xml version\="1.0" encoding\="UTF-8" standalone\="no"?><templates><template autoinsert\="true" context\="gettercomment_context" deleted\="false" description\="Comment for getter method" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.gettercomment" name\="gettercomment">/**\r\n * @return the ${bare_field_name}\r\n */</template><template autoinsert\="true" context\="settercomment_context" deleted\="false" description\="Comment for setter method" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.settercomment" name\="settercomment">/**\r\n * @param ${param} the ${bare_field_name} to set\r\n */</template><template autoinsert\="true" context\="constructorcomment_context" deleted\="false" description\="Comment for created constructors" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.constructorcomment" name\="constructorcomment">/**\r\n * ${tags}\r\n */</template><template autoinsert\="false" context\="filecomment_context" deleted\="false" description\="Comment for created Java files" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.filecomment" name\="filecomment">/*******************************************************************************\r\n * Copyright (c) 2011-${year} EclipseSource Muenchen GmbH and others.\r\n * \r\n * All rights reserved. This program and the accompanying materials\r\n * are made available under the terms of the Eclipse Public License v1.0\r\n * which accompanies this distribution, and is available at\r\n * http\://www.eclipse.org/legal/epl-v10.html\r\n * \r\n * Contributors\:\r\n * ${user} - initial API and implementation\r\n ******************************************************************************/</template><template autoinsert\="true" context\="typecomment_context" deleted\="false" description\="Comment for created types" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.typecomment" name\="typecomment">/**\r\n * @author ${user}\r\n *\r\n * ${tags}\r\n */</template><template autoinsert\="false" context\="fieldcomment_context" deleted\="false" description\="Comment for fields" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.fieldcomment" name\="fieldcomment"/><template autoinsert\="true" context\="methodcomment_context" deleted\="false" description\="Comment for non-overriding methods" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.methodcomment" name\="methodcomment">/**\r\n * ${tags}\r\n */</template><template autoinsert\="false" context\="overridecomment_context" deleted\="false" description\="Comment for overriding methods" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.overridecomment" name\="overridecomment">/**\r\n * {@inheritDoc}\r\n * ${see_to_overridden}\r\n */</template><template autoinsert\="true" context\="delegatecomment_context" deleted\="false" description\="Comment for delegate methods" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.delegatecomment" name\="delegatecomment">/**\r\n * ${tags}\r\n * ${see_to_target}\r\n */</template><template autoinsert\="true" context\="newtype_context" deleted\="false" description\="Newly created files" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.newtype" name\="newtype">${filecomment}\r\n${package_declaration}\r\n\r\n${typecomment}\r\n${type_declaration}</template><template autoinsert\="true" context\="classbody_context" deleted\="false" description\="Code in new class type bodies" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.classbody" name\="classbody">\r\n</template><template autoinsert\="true" context\="interfacebody_context" deleted\="false" description\="Code in new interface type bodies" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.interfacebody" name\="interfacebody">\r\n</template><template autoinsert\="true" context\="enumbody_context" deleted\="false" description\="Code in new enum type bodies" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.enumbody" name\="enumbody">\r\n</template><template autoinsert\="true" context\="annotationbody_context" deleted\="false" description\="Code in new annotation type bodies" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.annotationbody" name\="annotationbody">\r\n</template><template autoinsert\="false" context\="catchblock_context" deleted\="false" description\="Code in new catch blocks" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.catchblock" name\="catchblock">\t\t\t// TODO Auto-generated catch block\r\n\t\t\t// Do NOT catch all Exceptions ("catch (Exception e)")\r\n\t\t\t// Log AND handle Exceptions if possible \r\n            //\r\n            // You can just uncomment one of the lines below to log an exception\:\r\n\t\t\t// logException will show the logged excpetion to the user\r\n\t\t\t// ModelUtil.logException(${exception_var});\r\n\t\t\t// ModelUtil.logException("YOUR MESSAGE HERE", ${exception_var});\r\n\t\t\t// logWarning will only add the message to the error log\r\n\t\t\t// ModelUtil.logWarning("YOUR MESSAGE HERE", ${exception_var});\r\n\t\t\t// ModelUtil.logWarning("YOUR MESSAGE HERE");\r\n\t\t\t//\t\t\t\r\n\t\t\t// If handling is not possible declare and rethrow Exception</template><template autoinsert\="true" context\="methodbody_context" deleted\="false" description\="Code in created method stubs" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.methodbody" name\="methodbody">// ${todo} Auto-generated method stub\r\n${body_statement}</template><template autoinsert\="true" context\="constructorbody_context" deleted\="false" description\="Code in created constructor stubs" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.constructorbody" name\="constructorbody">${body_statement}\r\n// ${todo} Auto-generated constructor stub</template><template autoinsert\="true" context\="getterbody_context" deleted\="false" description\="Code in created getters" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.getterbody" name\="getterbody">return ${field};</template><template autoinsert\="true" context\="setterbody_context" deleted\="false" description\="Code in created setters" enabled\="true" id\="org.eclipse.jdt.ui.text.codetemplates.setterbody" name\="setterbody">${field} \= ${param};</template></templates>
+sp_cleanup.add_default_serial_version_id=true
+sp_cleanup.add_generated_serial_version_id=false
+sp_cleanup.add_missing_annotations=true
+sp_cleanup.add_missing_deprecated_annotations=true
+sp_cleanup.add_missing_methods=false
+sp_cleanup.add_missing_nls_tags=false
+sp_cleanup.add_missing_override_annotations=true
+sp_cleanup.add_missing_override_annotations_interface_methods=true
+sp_cleanup.add_serial_version_id=false
+sp_cleanup.always_use_blocks=true
+sp_cleanup.always_use_parentheses_in_expressions=false
+sp_cleanup.always_use_this_for_non_static_field_access=false
+sp_cleanup.always_use_this_for_non_static_method_access=false
+sp_cleanup.convert_functional_interfaces=false
+sp_cleanup.convert_to_enhanced_for_loop=false
+sp_cleanup.correct_indentation=false
+sp_cleanup.format_source_code=true
+sp_cleanup.format_source_code_changes_only=false
+sp_cleanup.insert_inferred_type_arguments=false
+sp_cleanup.make_local_variable_final=true
+sp_cleanup.make_parameters_final=false
+sp_cleanup.make_private_fields_final=true
+sp_cleanup.make_type_abstract_if_missing_method=false
+sp_cleanup.make_variable_declarations_final=true
+sp_cleanup.never_use_blocks=false
+sp_cleanup.never_use_parentheses_in_expressions=true
+sp_cleanup.on_save_use_additional_actions=true
+sp_cleanup.organize_imports=true
+sp_cleanup.qualify_static_field_accesses_with_declaring_class=false
+sp_cleanup.qualify_static_member_accesses_through_instances_with_declaring_class=true
+sp_cleanup.qualify_static_member_accesses_through_subtypes_with_declaring_class=true
+sp_cleanup.qualify_static_member_accesses_with_declaring_class=true
+sp_cleanup.qualify_static_method_accesses_with_declaring_class=false
+sp_cleanup.remove_private_constructors=true
+sp_cleanup.remove_redundant_type_arguments=false
+sp_cleanup.remove_trailing_whitespaces=true
+sp_cleanup.remove_trailing_whitespaces_all=true
+sp_cleanup.remove_trailing_whitespaces_ignore_empty=false
+sp_cleanup.remove_unnecessary_casts=false
+sp_cleanup.remove_unnecessary_nls_tags=true
+sp_cleanup.remove_unused_imports=true
+sp_cleanup.remove_unused_local_variables=false
+sp_cleanup.remove_unused_private_fields=true
+sp_cleanup.remove_unused_private_members=false
+sp_cleanup.remove_unused_private_methods=true
+sp_cleanup.remove_unused_private_types=true
+sp_cleanup.sort_members=false
+sp_cleanup.sort_members_all=false
+sp_cleanup.use_anonymous_class_creation=false
+sp_cleanup.use_blocks=true
+sp_cleanup.use_blocks_only_for_return_and_throw=false
+sp_cleanup.use_lambda=false
+sp_cleanup.use_parentheses_in_expressions=true
+sp_cleanup.use_this_for_non_static_field_access=true
+sp_cleanup.use_this_for_non_static_field_access_only_if_necessary=true
+sp_cleanup.use_this_for_non_static_method_access=true
+sp_cleanup.use_this_for_non_static_method_access_only_if_necessary=true
+sp_cleanup.use_type_arguments=false
diff --git a/tests/org.eclipse.emfforms.rulerepository.tooling.test/.settings/org.eclipse.ltk.core.refactoring.prefs b/tests/org.eclipse.emfforms.rulerepository.tooling.test/.settings/org.eclipse.ltk.core.refactoring.prefs
new file mode 100644
index 0000000..864e30f
--- /dev/null
+++ b/tests/org.eclipse.emfforms.rulerepository.tooling.test/.settings/org.eclipse.ltk.core.refactoring.prefs
@@ -0,0 +1,3 @@
+#Thu Feb 04 09:44:24 CET 2010
+eclipse.preferences.version=1
+org.eclipse.ltk.core.refactoring.enable.project.refactoring.history=false
diff --git a/tests/org.eclipse.emfforms.rulerepository.tooling.test/.settings/org.eclipse.pde.api.tools.prefs b/tests/org.eclipse.emfforms.rulerepository.tooling.test/.settings/org.eclipse.pde.api.tools.prefs
new file mode 100644
index 0000000..e4e3c00
--- /dev/null
+++ b/tests/org.eclipse.emfforms.rulerepository.tooling.test/.settings/org.eclipse.pde.api.tools.prefs
@@ -0,0 +1,97 @@
+ANNOTATION_ELEMENT_TYPE_ADDED_METHOD_WITHOUT_DEFAULT_VALUE=Error
+ANNOTATION_ELEMENT_TYPE_CHANGED_TYPE_CONVERSION=Error
+ANNOTATION_ELEMENT_TYPE_REMOVED_FIELD=Error
+ANNOTATION_ELEMENT_TYPE_REMOVED_METHOD=Error
+ANNOTATION_ELEMENT_TYPE_REMOVED_TYPE_MEMBER=Error
+API_COMPONENT_ELEMENT_TYPE_REMOVED_API_TYPE=Error
+API_COMPONENT_ELEMENT_TYPE_REMOVED_REEXPORTED_API_TYPE=Error
+API_COMPONENT_ELEMENT_TYPE_REMOVED_REEXPORTED_TYPE=Error
+API_COMPONENT_ELEMENT_TYPE_REMOVED_TYPE=Error
+API_USE_SCAN_FIELD_SEVERITY=Error
+API_USE_SCAN_METHOD_SEVERITY=Error
+API_USE_SCAN_TYPE_SEVERITY=Error
+CLASS_ELEMENT_TYPE_ADDED_METHOD=Error
+CLASS_ELEMENT_TYPE_ADDED_RESTRICTIONS=Error
+CLASS_ELEMENT_TYPE_ADDED_TYPE_PARAMETER=Error
+CLASS_ELEMENT_TYPE_CHANGED_CONTRACTED_SUPERINTERFACES_SET=Error
+CLASS_ELEMENT_TYPE_CHANGED_DECREASE_ACCESS=Error
+CLASS_ELEMENT_TYPE_CHANGED_NON_ABSTRACT_TO_ABSTRACT=Error
+CLASS_ELEMENT_TYPE_CHANGED_NON_FINAL_TO_FINAL=Error
+CLASS_ELEMENT_TYPE_CHANGED_TYPE_CONVERSION=Error
+CLASS_ELEMENT_TYPE_REMOVED_CONSTRUCTOR=Error
+CLASS_ELEMENT_TYPE_REMOVED_FIELD=Error
+CLASS_ELEMENT_TYPE_REMOVED_METHOD=Error
+CLASS_ELEMENT_TYPE_REMOVED_SUPERCLASS=Error
+CLASS_ELEMENT_TYPE_REMOVED_TYPE_MEMBER=Error
+CLASS_ELEMENT_TYPE_REMOVED_TYPE_PARAMETER=Error
+CONSTRUCTOR_ELEMENT_TYPE_ADDED_TYPE_PARAMETER=Error
+CONSTRUCTOR_ELEMENT_TYPE_CHANGED_DECREASE_ACCESS=Error
+CONSTRUCTOR_ELEMENT_TYPE_CHANGED_VARARGS_TO_ARRAY=Error
+CONSTRUCTOR_ELEMENT_TYPE_REMOVED_TYPE_PARAMETER=Error
+ENUM_ELEMENT_TYPE_CHANGED_CONTRACTED_SUPERINTERFACES_SET=Error
+ENUM_ELEMENT_TYPE_CHANGED_TYPE_CONVERSION=Error
+ENUM_ELEMENT_TYPE_REMOVED_ENUM_CONSTANT=Error
+ENUM_ELEMENT_TYPE_REMOVED_FIELD=Error
+ENUM_ELEMENT_TYPE_REMOVED_METHOD=Error
+ENUM_ELEMENT_TYPE_REMOVED_TYPE_MEMBER=Error
+FIELD_ELEMENT_TYPE_ADDED_VALUE=Error
+FIELD_ELEMENT_TYPE_CHANGED_DECREASE_ACCESS=Error
+FIELD_ELEMENT_TYPE_CHANGED_FINAL_TO_NON_FINAL_STATIC_CONSTANT=Error
+FIELD_ELEMENT_TYPE_CHANGED_NON_FINAL_TO_FINAL=Error
+FIELD_ELEMENT_TYPE_CHANGED_NON_STATIC_TO_STATIC=Error
+FIELD_ELEMENT_TYPE_CHANGED_STATIC_TO_NON_STATIC=Error
+FIELD_ELEMENT_TYPE_CHANGED_TYPE=Error
+FIELD_ELEMENT_TYPE_CHANGED_VALUE=Error
+FIELD_ELEMENT_TYPE_REMOVED_TYPE_ARGUMENT=Error
+FIELD_ELEMENT_TYPE_REMOVED_VALUE=Error
+ILLEGAL_EXTEND=Warning
+ILLEGAL_IMPLEMENT=Warning
+ILLEGAL_INSTANTIATE=Warning
+ILLEGAL_OVERRIDE=Warning
+ILLEGAL_REFERENCE=Warning
+INTERFACE_ELEMENT_TYPE_ADDED_FIELD=Error
+INTERFACE_ELEMENT_TYPE_ADDED_METHOD=Error
+INTERFACE_ELEMENT_TYPE_ADDED_RESTRICTIONS=Error
+INTERFACE_ELEMENT_TYPE_ADDED_SUPER_INTERFACE_WITH_METHODS=Error
+INTERFACE_ELEMENT_TYPE_ADDED_TYPE_PARAMETER=Error
+INTERFACE_ELEMENT_TYPE_CHANGED_CONTRACTED_SUPERINTERFACES_SET=Error
+INTERFACE_ELEMENT_TYPE_CHANGED_TYPE_CONVERSION=Error
+INTERFACE_ELEMENT_TYPE_REMOVED_FIELD=Error
+INTERFACE_ELEMENT_TYPE_REMOVED_METHOD=Error
+INTERFACE_ELEMENT_TYPE_REMOVED_TYPE_MEMBER=Error
+INTERFACE_ELEMENT_TYPE_REMOVED_TYPE_PARAMETER=Error
+INVALID_JAVADOC_TAG=Warning
+INVALID_REFERENCE_IN_SYSTEM_LIBRARIES=Error
+LEAK_EXTEND=Warning
+LEAK_FIELD_DECL=Warning
+LEAK_IMPLEMENT=Warning
+LEAK_METHOD_PARAM=Warning
+LEAK_METHOD_RETURN_TYPE=Warning
+METHOD_ELEMENT_TYPE_ADDED_RESTRICTIONS=Error
+METHOD_ELEMENT_TYPE_ADDED_TYPE_PARAMETER=Error
+METHOD_ELEMENT_TYPE_CHANGED_DECREASE_ACCESS=Error
+METHOD_ELEMENT_TYPE_CHANGED_NON_ABSTRACT_TO_ABSTRACT=Error
+METHOD_ELEMENT_TYPE_CHANGED_NON_FINAL_TO_FINAL=Error
+METHOD_ELEMENT_TYPE_CHANGED_NON_STATIC_TO_STATIC=Error
+METHOD_ELEMENT_TYPE_CHANGED_STATIC_TO_NON_STATIC=Error
+METHOD_ELEMENT_TYPE_CHANGED_VARARGS_TO_ARRAY=Error
+METHOD_ELEMENT_TYPE_REMOVED_ANNOTATION_DEFAULT_VALUE=Error
+METHOD_ELEMENT_TYPE_REMOVED_TYPE_PARAMETER=Error
+MISSING_EE_DESCRIPTIONS=Error
+TYPE_PARAMETER_ELEMENT_TYPE_ADDED_CLASS_BOUND=Error
+TYPE_PARAMETER_ELEMENT_TYPE_ADDED_INTERFACE_BOUND=Error
+TYPE_PARAMETER_ELEMENT_TYPE_CHANGED_CLASS_BOUND=Error
+TYPE_PARAMETER_ELEMENT_TYPE_CHANGED_INTERFACE_BOUND=Error
+TYPE_PARAMETER_ELEMENT_TYPE_REMOVED_CLASS_BOUND=Error
+TYPE_PARAMETER_ELEMENT_TYPE_REMOVED_INTERFACE_BOUND=Error
+UNUSED_PROBLEM_FILTERS=Ignore
+automatically_removed_unused_problem_filters=Disabled
+eclipse.preferences.version=1
+incompatible_api_component_version=Error
+incompatible_api_component_version_include_major_without_breaking_change=Disabled
+incompatible_api_component_version_include_minor_without_api_change=Disabled
+invalid_since_tag_version=Error
+malformed_since_tag=Error
+missing_since_tag=Error
+report_api_breakage_when_major_version_incremented=Disabled
+report_resolution_errors_api_component=Warning
diff --git a/tests/org.eclipse.emfforms.rulerepository.tooling.test/.settings/org.eclipse.pde.core.prefs b/tests/org.eclipse.emfforms.rulerepository.tooling.test/.settings/org.eclipse.pde.core.prefs
new file mode 100644
index 0000000..f29e940
--- /dev/null
+++ b/tests/org.eclipse.emfforms.rulerepository.tooling.test/.settings/org.eclipse.pde.core.prefs
@@ -0,0 +1,3 @@
+eclipse.preferences.version=1
+pluginProject.extensions=false
+resolve.requirebundle=false
diff --git a/tests/org.eclipse.emfforms.rulerepository.tooling.test/.settings/org.eclipse.pde.prefs b/tests/org.eclipse.emfforms.rulerepository.tooling.test/.settings/org.eclipse.pde.prefs
new file mode 100644
index 0000000..0bbee3c
--- /dev/null
+++ b/tests/org.eclipse.emfforms.rulerepository.tooling.test/.settings/org.eclipse.pde.prefs
@@ -0,0 +1,32 @@
+compilers.f.unresolved-features=1
+compilers.f.unresolved-plugins=1
+compilers.incompatible-environment=1
+compilers.p.build=1
+compilers.p.build.bin.includes=1
+compilers.p.build.encodings=2
+compilers.p.build.java.compiler=2
+compilers.p.build.java.compliance=1
+compilers.p.build.missing.output=2
+compilers.p.build.output.library=1
+compilers.p.build.source.library=1
+compilers.p.build.src.includes=1
+compilers.p.deprecated=1
+compilers.p.discouraged-class=1
+compilers.p.internal=1
+compilers.p.missing-packages=1
+compilers.p.missing-version-export-package=1
+compilers.p.missing-version-import-package=1
+compilers.p.missing-version-require-bundle=1
+compilers.p.no-required-att=0
+compilers.p.not-externalized-att=2
+compilers.p.unknown-attribute=1
+compilers.p.unknown-class=1
+compilers.p.unknown-element=1
+compilers.p.unknown-identifier=1
+compilers.p.unknown-resource=1
+compilers.p.unresolved-ex-points=0
+compilers.p.unresolved-import=0
+compilers.s.create-docs=false
+compilers.s.doc-folder=doc
+compilers.s.open-tags=1
+eclipse.preferences.version=1
diff --git a/tests/org.eclipse.emfforms.rulerepository.tooling.test/META-INF/MANIFEST.MF b/tests/org.eclipse.emfforms.rulerepository.tooling.test/META-INF/MANIFEST.MF
new file mode 100644
index 0000000..1814265
--- /dev/null
+++ b/tests/org.eclipse.emfforms.rulerepository.tooling.test/META-INF/MANIFEST.MF
@@ -0,0 +1,13 @@
+Manifest-Version: 1.0
+Bundle-ManifestVersion: 2
+Bundle-Name: Rule Repository Tooling Test
+Bundle-SymbolicName: org.eclipse.emfforms.rulerepository.tooling.test
+Bundle-Version: 1.16.0.qualifier
+Bundle-Vendor: Eclipse Modeling Project
+Fragment-Host: org.eclipse.emfforms.rulerepository.tooling;bundle-version="[1.16.0,1.17.0)"
+Bundle-RequiredExecutionEnvironment: JavaSE-1.6
+Require-Bundle: org.junit;bundle-version="[4.12.0,5.0.0)",
+ org.mockito.mockito-core-hamcrest-modified;bundle-version="[1.9.5,2.0.0)",
+ org.objenesis;bundle-version="[1.0.0,2.0.0)"
+Export-Package: org.eclipse.emfforms.internal.rulerepository.tooling.merge;version="1.16.0";x-internal:=true,
+ org.eclipse.emfforms.rulerepository.tooling.test;version="1.16.0";x-internal:=true
diff --git a/tests/org.eclipse.emfforms.rulerepository.tooling.test/build.properties b/tests/org.eclipse.emfforms.rulerepository.tooling.test/build.properties
new file mode 100644
index 0000000..34d2e4d
--- /dev/null
+++ b/tests/org.eclipse.emfforms.rulerepository.tooling.test/build.properties
@@ -0,0 +1,4 @@
+source.. = src/
+output.. = bin/
+bin.includes = META-INF/,\
+               .
diff --git a/tests/org.eclipse.emfforms.rulerepository.tooling.test/pom.xml b/tests/org.eclipse.emfforms.rulerepository.tooling.test/pom.xml
new file mode 100644
index 0000000..29d1514
--- /dev/null
+++ b/tests/org.eclipse.emfforms.rulerepository.tooling.test/pom.xml
@@ -0,0 +1,76 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
+	xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+	<modelVersion>4.0.0</modelVersion>
+	<parent>
+		<groupId>org.eclipse.emf.ecp</groupId>
+		<artifactId>ecp-tests-parent</artifactId>
+		<version>1.16.0-SNAPSHOT</version>
+		<relativePath>../../releng/org.eclipse.emf.ecp.releng.tests/</relativePath>
+	</parent>
+
+	<artifactId>org.eclipse.emfforms.rulerepository.tooling.test</artifactId>
+	<packaging>eclipse-test-plugin</packaging>
+	<version>1.16.0-SNAPSHOT</version>
+	<groupId>org.eclipse.emf.ecp</groupId>
+
+	<build>
+		<sourceDirectory>src</sourceDirectory>
+		<plugins>
+			<plugin>
+				<groupId>org.eclipse.tycho</groupId>
+				<artifactId>tycho-surefire-plugin</artifactId>
+				<version>${tycho-version}</version>
+				<configuration>
+					<includes>
+						<include>**/*_PTest.java</include>
+						<include>**/*_ITest.java</include>
+						<!-- Execute SWT-Related tests with tycho surefire -->
+						<include>**/MergeWithViewHandler_Test.java</include>
+					</includes>
+					<testFailureIgnore>true</testFailureIgnore>
+					<useUIHarness>false</useUIHarness>
+					<useUIThread>false</useUIThread>
+				</configuration>
+			</plugin>
+			<plugin>
+				<groupId>org.eclipse.tycho</groupId>
+				<artifactId>target-platform-configuration</artifactId>
+				<configuration>
+					<dependency-resolution>
+						<extraRequirements>
+							<requirement>
+								<type>p2-installable-unit</type>
+								<id>org.eclipse.equinox.ds</id>
+								<versionRange>0.0.0</versionRange>
+							</requirement>
+						</extraRequirements>
+					</dependency-resolution>
+				</configuration>
+			</plugin>
+			<plugin>
+				<groupId>org.apache.maven.plugins</groupId>
+				<artifactId>maven-surefire-plugin</artifactId>
+				<version>${mav-surefire-version}</version>
+				<executions>
+					<execution>
+						<id>test</id>
+						<phase>test</phase>
+						<configuration>
+							<testClassesDirectory>${project.build.outputDirectory}</testClassesDirectory>
+							<excludes>
+								<!-- Executed with tycho surefire -->
+								<include>**/MergeWithViewHandler_Test.java</include>
+							</excludes>
+							<testFailureIgnore>true</testFailureIgnore>
+				        </configuration>
+						<goals>
+							<goal>test</goal>
+						</goals>
+					</execution>
+				</executions>
+			</plugin>
+		</plugins>
+	</build>
+</project>
diff --git a/tests/org.eclipse.emfforms.rulerepository.tooling.test/src/org/eclipse/emfforms/internal/rulerepository/tooling/merge/MergeWithViewHandler_Test.java b/tests/org.eclipse.emfforms.rulerepository.tooling.test/src/org/eclipse/emfforms/internal/rulerepository/tooling/merge/MergeWithViewHandler_Test.java
new file mode 100644
index 0000000..6e19e73
--- /dev/null
+++ b/tests/org.eclipse.emfforms.rulerepository.tooling.test/src/org/eclipse/emfforms/internal/rulerepository/tooling/merge/MergeWithViewHandler_Test.java
@@ -0,0 +1,120 @@
+/*******************************************************************************
+ * Copyright (c) 2011-2018 EclipseSource Muenchen GmbH 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:
+ * Lucas Koehler - initial API and implementation
+ ******************************************************************************/
+package org.eclipse.emfforms.internal.rulerepository.tooling.merge;
+
+import static org.junit.Assert.assertEquals;
+import static org.mockito.Matchers.any;
+import static org.mockito.Matchers.eq;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import org.eclipse.emf.common.util.URI;
+import org.eclipse.emf.ecore.resource.Resource;
+import org.eclipse.emf.ecore.resource.ResourceSet;
+import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;
+import org.eclipse.emf.ecore.xmi.impl.XMIResourceFactoryImpl;
+import org.eclipse.emf.ecp.view.spi.model.VView;
+import org.eclipse.emf.ecp.view.spi.model.VViewFactory;
+import org.eclipse.emfforms.internal.rulerepository.tooling.merge.MergeWithViewHandler.MergeProvider;
+import org.eclipse.emfforms.internal.rulerepository.tooling.merge.MergeWithViewHandler.MergedViewPathProvider;
+import org.eclipse.emfforms.internal.rulerepository.tooling.merge.MergeWithViewHandler.OperationProvider;
+import org.eclipse.emfforms.internal.rulerepository.tooling.merge.MergeWithViewHandler.ViewAndRepository;
+import org.eclipse.emfforms.internal.rulerepository.tooling.merge.MergeWithViewHandler.ViewAndRepositoryProvider;
+import org.eclipse.emfforms.spi.rulerepository.model.VRuleRepository;
+import org.eclipse.emfforms.spi.rulerepository.model.VRulerepositoryFactory;
+import org.eclipse.swt.widgets.Shell;
+import org.junit.Before;
+import org.junit.Test;
+
+/**
+ * JUnit test cases for {@link MergeWithViewHandler}.
+ *
+ * @author Lucas Koehler
+ *
+ */
+public class MergeWithViewHandler_Test {
+
+	private MergeWithViewHandler handler;
+
+	/**
+	 * @throws java.lang.Exception
+	 */
+	@Before
+	public void setUp() throws Exception {
+		handler = new MergeWithViewHandler();
+	}
+
+	/** Test that all given providers are used with the correct parameters. */
+	@Test
+	public void testProviderUsage() {
+		final ResourceSet rs = mock(ResourceSet.class);
+		final VRuleRepository repository = mock(VRuleRepository.class);
+		final VView view = mock(VView.class);
+		final VView mergedView = mock(VView.class);
+		final ViewAndRepository viewAndRepository = new ViewAndRepository();
+		final String mergedViewPath = "mergedviewpath";
+		viewAndRepository.setRuleRepository(repository);
+		viewAndRepository.setView(view);
+		final ViewAndRepositoryProvider viewAndRepositoryProvider = mock(ViewAndRepositoryProvider.class);
+		when(viewAndRepositoryProvider.getViewAndRepository(any(ResourceSet.class))).thenReturn(viewAndRepository);
+
+		final OperationProvider operationProvider = mock(OperationProvider.class);
+		final MergedViewPathProvider viewPathProvider = mock(MergedViewPathProvider.class);
+		when(viewPathProvider.getPath(any(Shell.class), any(VView.class))).thenReturn(mergedViewPath);
+		final MergeProvider mergeProvider = mock(MergeProvider.class);
+		when(mergeProvider.merge(repository, view)).thenReturn(mergedView);
+
+		final Shell shell = new Shell();
+		handler.mergeRuleRepoWithView(
+			shell,
+			rs,
+			viewAndRepositoryProvider,
+			viewPathProvider,
+			operationProvider,
+			mergeProvider);
+
+		verify(viewAndRepositoryProvider).getViewAndRepository(rs);
+		verify(viewPathProvider).getPath(shell, view);
+		verify(mergeProvider).merge(repository, view);
+		verify(operationProvider).getOperation(eq(shell), eq(mergedViewPath), eq(mergedView));
+	}
+
+	/**
+	 * Test that the VView and VRuleRepository are correctly read from a resource set and that the algorithm can deal
+	 * with empty resources without causing an exception.
+	 */
+	@Test
+	public void testExtractViewAndRepository() {
+		final ResourceSet resourceSet = new ResourceSetImpl();
+		resourceSet.getResourceFactoryRegistry().getExtensionToFactoryMap().put("*", new XMIResourceFactoryImpl());
+		final Resource resource1 = resourceSet.createResource(URI.createURI("virtual-1"));
+		final VRuleRepository repository = VRulerepositoryFactory.eINSTANCE.createRuleRepository();
+		final VView view = VViewFactory.eINSTANCE.createView();
+
+		final Resource resource2 = resourceSet.createResource(URI.createURI("virtual-2"));
+		// Leave the fourth resource empty to check that this does not cause an exception
+		resourceSet.createResource(URI.createURI("empty-resource"));
+
+		resource1.getContents().add(repository);
+		resource2.getContents().add(view);
+		// Add unfitting EObject to resource
+		final Resource resource3 = resourceSet.createResource(URI.createURI("virtual-3"));
+		// Cannot mock any EObject here because the adding to the EList fails
+		resource3.getContents().add(VViewFactory.eINSTANCE.createControl());
+
+		final ViewAndRepository viewAndRepository = handler.extractViewAndRepository(resourceSet);
+		assertEquals(view, viewAndRepository.getView());
+		assertEquals(repository, viewAndRepository.getRuleRepository());
+
+	}
+}
diff --git a/tests/org.eclipse.emfforms.rulerepository.tooling.test/src/org/eclipse/emfforms/rulerepository/tooling/test/AllTests.java b/tests/org.eclipse.emfforms.rulerepository.tooling.test/src/org/eclipse/emfforms/rulerepository/tooling/test/AllTests.java
new file mode 100644
index 0000000..1dd24c5
--- /dev/null
+++ b/tests/org.eclipse.emfforms.rulerepository.tooling.test/src/org/eclipse/emfforms/rulerepository/tooling/test/AllTests.java
@@ -0,0 +1,29 @@
+/*******************************************************************************
+ * Copyright (c) 2011-2018 EclipseSource Muenchen GmbH 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:
+ * Lucas Koehler - initial API and implementation
+ ******************************************************************************/
+package org.eclipse.emfforms.rulerepository.tooling.test;
+
+import org.eclipse.emfforms.internal.rulerepository.tooling.merge.MergeWithViewHandler_Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Suite;
+import org.junit.runners.Suite.SuiteClasses;
+
+/**
+ * All unit tests for the org.eclipse.emfforms.rulerepository.tooling bundle
+ *
+ * @author Lucas Koehler
+ *
+ */
+@RunWith(Suite.class)
+@SuiteClasses({ MergeWithViewHandler_Test.class })
+public class AllTests {
+
+}