enable java 17 for testing project

pom.xml

@@ -144,6 +144,7 @@
 		<module>rosetta-testing</module>
 		<module>rosetta-maven-plugin</module>
 		<module>rosetta-profiling</module>
+		<module>rosetta-integration-tests</module>
 	</modules>
 
 	<dependencyManagement>

rosetta-integration-tests/pom.xml

@@ -0,0 +1,83 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>com.regnosys.rosetta</groupId>
+        <artifactId>com.regnosys.rosetta.parent</artifactId>
+        <version>0.0.0.main-SNAPSHOT</version>
+    </parent>
+
+    <name>Rosetta DSL Integration Test Project</name>
+    <artifactId>rosetta-integration-tests</artifactId>
+    <properties>
+        <maven.compiler.release>17</maven.compiler.release>
+    </properties>
+
+    <dependencies>
+        <!-- Inter-project dependencies -->
+        <dependency>
+            <groupId>com.regnosys.rosetta</groupId>
+            <artifactId>com.regnosys.rosetta</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>com.regnosys.rosetta</groupId>
+            <artifactId>com.regnosys.rosetta.tests</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+
+
+        <!-- External dependencies -->
+        <dependency>
+            <groupId>org.eclipse.xtext</groupId>
+            <artifactId>org.eclipse.xtext.testing</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.eclipse.xtext</groupId>
+            <artifactId>org.eclipse.xtext.xbase.testing</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.mdkt.compiler</groupId>
+            <artifactId>InMemoryJavaCompiler</artifactId>
+        </dependency>
+
+        <!-- Test dependencies -->
+        <dependency>
+            <groupId>org.mockito</groupId>
+            <artifactId>mockito-core</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.eclipse.xtend</groupId>
+                <artifactId>xtend-maven-plugin</artifactId>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-clean-plugin</artifactId>
+                <configuration>
+                    <filesets combine.children="append">
+                        <fileset>
+                            <directory>${basedir}/xtend-gen</directory>
+                            <includes>
+                                <include>**/*</include>
+                            </includes>
+                        </fileset>
+                    </filesets>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+
+</project>

rosetta-lang/src/main/java/com/regnosys/rosetta/GenerateRosetta.mwe2

@@ -30,11 +30,7 @@ Workflow {
 				    srcGen = "${parentDir}/rosetta-lang/src-gen/main/java"
 				}
 				runtimeTest = {
-					enabled = true
-					name = "rosetta-testing"
-					root = "${parentDir}/rosetta-testing"
-					src = "${parentDir}/rosetta-testing/src/test/java"
-					srcGen = "${parentDir}/rosetta-testing/src-gen/main/java"
+					enabled = false
 				}
 				genericIde = {
                     enabled = true

rosetta-testing/pom.xml

@@ -25,7 +25,7 @@
 		<version>0.0.0.main-SNAPSHOT</version>
 	</parent>
 
-	<name>Rosetta DSL Test Project</name>
+	<name>Rosetta DSL Testing Utilities</name>
 	<artifactId>com.regnosys.rosetta.tests</artifactId>
 
 	<properties>

rosetta-testing/src/main/java/com/regnosys/rosetta/tests/RosettaInjectorProvider.java

@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) REGnosys 2018 (www.regnosys.com) 
+ * generated by Xtext 2.38.0.M1
+ */
+package com.regnosys.rosetta.tests;
+
+import com.google.inject.Guice;
+import com.google.inject.Injector;
+import com.regnosys.rosetta.RosettaRuntimeModule;
+import com.regnosys.rosetta.RosettaStandaloneSetup;
+import org.eclipse.xtext.testing.GlobalRegistries;
+import org.eclipse.xtext.testing.GlobalRegistries.GlobalStateMemento;
+import org.eclipse.xtext.testing.IInjectorProvider;
+import org.eclipse.xtext.testing.IRegistryConfigurator;
+
+public class RosettaInjectorProvider implements IInjectorProvider, IRegistryConfigurator {
+
+	protected GlobalStateMemento stateBeforeInjectorCreation;
+	protected GlobalStateMemento stateAfterInjectorCreation;
+	protected Injector injector;
+
+	static {
+		GlobalRegistries.initializeDefaults();
+	}
+
+	@Override
+	public Injector getInjector() {
+		if (injector == null) {
+			this.injector = internalCreateInjector();
+			stateAfterInjectorCreation = GlobalRegistries.makeCopyOfGlobalState();
+		}
+		return injector;
+	}
+
+	protected Injector internalCreateInjector() {
+		return new RosettaStandaloneSetup() {
+			@Override
+			public Injector createInjector() {
+				return Guice.createInjector(createRuntimeModule());
+			}
+		}.createInjectorAndDoEMFRegistration();
+	}
+
+	protected RosettaRuntimeModule createRuntimeModule() {
+		// make it work also with Maven/Tycho and OSGI
+		// see https://bugs.eclipse.org/bugs/show_bug.cgi?id=493672
+		return new RosettaRuntimeModule() {
+			@Override
+			public ClassLoader bindClassLoaderToInstance() {
+				return RosettaInjectorProvider.class
+						.getClassLoader();
+			}
+		};
+	}
+
+	@Override
+	public void restoreRegistry() {
+		stateBeforeInjectorCreation.restoreGlobalState();
+		stateBeforeInjectorCreation = null;
+	}
+
+	@Override
+	public void setupRegistry() {
+		stateBeforeInjectorCreation = GlobalRegistries.makeCopyOfGlobalState();
+		if (injector == null) {
+			getInjector();
+		}
+		stateAfterInjectorCreation.restoreGlobalState();
+	}
+}