Integration test for Maven reactor make behaviours

These test the functionality of TychoGraphBuilder (provided by the
tycho-build extension) for a simple reactor build.

tycho-build/src/main/java/org/eclipse/tycho/build/TychoGraphBuilder.java

@@ -195,19 +195,20 @@ public Result<ProjectDependencyGraph> build(MavenSession session) {
 			while (!queue.isEmpty()) {
 				ProjectRequest projectRequest = queue.poll();
 				if (selectedProjects.add(projectRequest.mavenProject)) {
-					if (projectRequest.requestDownstream) {
+					if (projectRequest.requestUpstream) {
 						Collection<IInstallableUnit> depends = projectDependenciesMap
 								.getOrDefault(projectRequest.mavenProject, Collections.emptyList());
 						depends.stream()//
 								.map(iuProjectMap::get)//
 								.filter(Objects::nonNull)//
 								.distinct()//
-								.peek(project -> loggerAdapter.debug(" + add downstream project '" + project.getName()
+								.peek(project -> loggerAdapter.debug(" + add upstream project '" + project.getName()
 										+ "' of project '" + projectRequest.mavenProject.getName() + "'..."))//
+								// make behaviors are both false here as projectDependenciesMap includes transitive already
 								.forEach(
-										project -> queue.add(new ProjectRequest(project, true, false, projectRequest)));
+										project -> queue.add(new ProjectRequest(project, false, false, projectRequest)));
 					}
-					if (projectRequest.requestUpstream) {
+					if (projectRequest.requestDownstream) {
 						projectDependenciesMap.entrySet().stream()//
 								.filter(entry -> {
 									return entry.getValue().stream()//
@@ -217,10 +218,11 @@ public Result<ProjectDependencyGraph> build(MavenSession session) {
 								})//
 								.map(Entry::getKey)//
 								.distinct()//
-								.peek(project -> loggerAdapter.debug(" + add upstream project '" + project.getName()
+								.peek(project -> loggerAdapter.debug(" + add downstream project '" + project.getName()
 										+ "' of project '" + projectRequest.mavenProject.getName() + "'..."))//
+								// make behaviors are both false here as projectDependenciesMap includes transitive already
 								.forEach(
-										project -> queue.add(new ProjectRequest(project, true, false, projectRequest)));
+										project -> queue.add(new ProjectRequest(project, false, false, projectRequest)));
 					}
 				}
 			}
@@ -361,6 +363,12 @@ private static final class ProjectRequest {
 		boolean matches(MavenProject mavenproject) {
 			return this.mavenProject == mavenproject;
 		}
+
+		@Override
+		public String toString() {
+			return "ProjectRequest [mavenProject=" + mavenProject + ", parent=" + parent + ", requestDownstream="
+					+ requestDownstream + ", requestUpstream=" + requestUpstream + "]";
+		}
 	}
 
 }

tycho-its/projects/reactor.makeBehaviour/.mvn/extensions.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<extensions>
+  <extension>
+    <groupId>org.eclipse.tycho</groupId>
+    <artifactId>tycho-build</artifactId>
+    <!-- TODO this should be a property
+        see https://issues.apache.org/jira/browse/MNG-7395 -->
+    <version>2.7.0-SNAPSHOT</version>
+  </extension>
+</extensions>

tycho-its/projects/reactor.makeBehaviour/bundle1/META-INF/MANIFEST.MF

@@ -0,0 +1,6 @@
+Manifest-Version: 1.0
+Bundle-ManifestVersion: 2
+Bundle-Name: Bundle 1
+Bundle-SymbolicName: bundle1;singleton:=true
+Bundle-Version: 1.0.0.qualifier
+Bundle-RequiredExecutionEnvironment: J2SE-1.5

tycho-its/projects/reactor.makeBehaviour/bundle1/build.properties

@@ -0,0 +1,4 @@
+source.. = src/
+output.. = bin/
+bin.includes = META-INF/,\
+               .

tycho-its/projects/reactor.makeBehaviour/bundle1/pom.xml

@@ -0,0 +1,16 @@
+<?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/maven-v4_0_0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+
+	<version>1.0.0-SNAPSHOT</version>
+	<artifactId>bundle1</artifactId>
+	<packaging>eclipse-plugin</packaging>
+
+	<parent>
+		<groupId>tycho-its-project.reactor.makeBehaviour</groupId>
+		<artifactId>parent</artifactId>
+		<version>1.0.0-SNAPSHOT</version>
+	</parent>
+
+</project>

tycho-its/projects/reactor.makeBehaviour/bundle2/META-INF/MANIFEST.MF

@@ -0,0 +1,6 @@
+Manifest-Version: 1.0
+Bundle-ManifestVersion: 2
+Bundle-Name: Bundle 2
+Bundle-SymbolicName: bundle2;singleton:=true
+Bundle-Version: 1.0.0.qualifier
+Bundle-RequiredExecutionEnvironment: J2SE-1.5

tycho-its/projects/reactor.makeBehaviour/bundle2/build.properties

@@ -0,0 +1,4 @@
+source.. = src/
+output.. = bin/
+bin.includes = META-INF/,\
+               .

tycho-its/projects/reactor.makeBehaviour/bundle2/pom.xml

@@ -0,0 +1,16 @@
+<?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/maven-v4_0_0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+
+	<version>1.0.0-SNAPSHOT</version>
+	<artifactId>bundle2</artifactId>
+	<packaging>eclipse-plugin</packaging>
+
+	<parent>
+		<groupId>tycho-its-project.reactor.makeBehaviour</groupId>
+		<artifactId>parent</artifactId>
+		<version>1.0.0-SNAPSHOT</version>
+	</parent>
+
+</project>

tycho-its/projects/reactor.makeBehaviour/feature1/build.properties

@@ -0,0 +1 @@
+bin.includes=feature.xml

tycho-its/projects/reactor.makeBehaviour/feature1/feature.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<feature
+      id="feature1"
+      version="1.0.0.qualifier">
+
+   <plugin
+         id="bundle1"
+         download-size="0"
+         install-size="0"
+         version="0.0.0"
+         unpack="false"/>
+
+</feature>

tycho-its/projects/reactor.makeBehaviour/feature1/pom.xml

@@ -0,0 +1,14 @@
+<?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>tycho-its-project.reactor.makeBehaviour</groupId>
+    <artifactId>parent</artifactId>
+    <version>1.0.0-SNAPSHOT</version>
+  </parent>
+
+  <artifactId>feature1</artifactId>
+  <packaging>eclipse-feature</packaging>
+</project>

tycho-its/projects/reactor.makeBehaviour/feature2/build.properties

@@ -0,0 +1 @@
+bin.includes=feature.xml

tycho-its/projects/reactor.makeBehaviour/feature2/feature.xml

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<feature
+      id="feature2"
+      version="1.0.0.qualifier">
+
+   <includes
+         id="feature1"
+         version="0.0.0"/>
+
+   <plugin
+         id="bundle2"
+         download-size="0"
+         install-size="0"
+         version="0.0.0"
+         unpack="false"/>
+
+</feature>

tycho-its/projects/reactor.makeBehaviour/feature2/pom.xml

@@ -0,0 +1,14 @@
+<?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>tycho-its-project.reactor.makeBehaviour</groupId>
+    <artifactId>parent</artifactId>
+    <version>1.0.0-SNAPSHOT</version>
+  </parent>
+
+  <artifactId>feature2</artifactId>
+  <packaging>eclipse-feature</packaging>
+</project>

tycho-its/projects/reactor.makeBehaviour/pom.xml

@@ -0,0 +1,28 @@
+<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>
+
+  <groupId>tycho-its-project.reactor.makeBehaviour</groupId>
+  <artifactId>parent</artifactId>
+  <version>1.0.0-SNAPSHOT</version>
+  <packaging>pom</packaging>
+
+  <modules>
+    <module>feature1</module>
+    <module>feature2</module>
+    <module>bundle1</module>
+    <module>bundle2</module>
+  </modules>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.eclipse.tycho</groupId>
+        <artifactId>tycho-maven-plugin</artifactId>
+        <version>${tycho-version}</version>
+        <extensions>true</extensions>
+      </plugin>
+    </plugins>
+  </build>
+
+</project>

tycho-its/src/test/java/org/eclipse/tycho/test/reactor/makeBehaviour/MavenReactorMakeOptionsTest.java

@@ -0,0 +1,109 @@
+package org.eclipse.tycho.test.reactor.makeBehaviour;
+
+import static org.junit.Assert.fail;
+
+import org.apache.maven.it.VerificationException;
+import org.apache.maven.it.Verifier;
+import org.eclipse.tycho.test.AbstractTychoIntegrationTest;
+import org.junit.Before;
+import org.junit.Test;
+
+/**
+ * Test Maven reactor make behaviours
+ *
+ * Test project dependencies:
+ *
+ * <pre>
+ * feature2 -> feature1,bundle2
+ * feature1 -> bundle1
+ * </pre>
+ *
+ */
+public class MavenReactorMakeOptionsTest extends AbstractTychoIntegrationTest {
+
+	private Verifier verifier;
+
+	@Before
+	public void setUp() throws Exception {
+		verifier = getVerifier("reactor.makeBehaviour");
+		verifier.executeGoal("clean");
+	}
+
+	@Test
+	public void testCompleteBuild() throws Exception {
+		verifier.executeGoal("verify");
+		verifier.verifyErrorFreeLog();
+		verifier.assertFilePresent("bundle1/target/bundle1-1.0.0-SNAPSHOT.jar");
+		verifier.assertFilePresent("bundle2/target/bundle2-1.0.0-SNAPSHOT.jar");
+		verifier.assertFilePresent("feature1/target/feature1-1.0.0-SNAPSHOT.jar");
+		verifier.assertFilePresent("feature2/target/feature2-1.0.0-SNAPSHOT.jar");
+	}
+
+	@Test
+	public void testAlsoMake() throws Exception {
+		// REACTOR_MAKE_UPSTREAM
+		verifier.addCliOption("-am");
+		verifier.addCliOption("-pl feature1");
+		verifier.executeGoal("verify");
+		verifier.verifyErrorFreeLog();
+		verifier.assertFilePresent("bundle1/target/bundle1-1.0.0-SNAPSHOT.jar");
+		verifier.assertFileNotPresent("bundle2/target/bundle2-1.0.0-SNAPSHOT.jar");
+		verifier.assertFilePresent("feature1/target/feature1-1.0.0-SNAPSHOT.jar");
+		verifier.assertFileNotPresent("feature2/target/feature2-1.0.0-SNAPSHOT.jar");
+	}
+
+	@Test
+	public void testAlsoMakeDependents() throws Exception {
+		// REACTOR_MAKE_DOWNSTREAM
+		verifier.addCliOption("-amd");
+		verifier.addCliOption("-pl bundle1,bundle2");
+		verifier.executeGoal("verify");
+		verifier.verifyErrorFreeLog();
+		verifier.assertFilePresent("bundle1/target/bundle1-1.0.0-SNAPSHOT.jar");
+		verifier.assertFilePresent("bundle2/target/bundle2-1.0.0-SNAPSHOT.jar");
+		verifier.assertFilePresent("feature1/target/feature1-1.0.0-SNAPSHOT.jar");
+		verifier.assertFilePresent("feature2/target/feature2-1.0.0-SNAPSHOT.jar");
+	}
+
+	@Test
+	public void testBoth() throws Exception {
+		// REACTOR_MAKE_BOTH
+		verifier.addCliOption("-am");
+		verifier.addCliOption("-amd");
+		verifier.addCliOption("-pl feature1,bundle2");
+		verifier.executeGoal("verify");
+		verifier.verifyErrorFreeLog();
+		verifier.assertFilePresent("bundle1/target/bundle1-1.0.0-SNAPSHOT.jar");
+		verifier.assertFilePresent("bundle2/target/bundle2-1.0.0-SNAPSHOT.jar");
+		verifier.assertFilePresent("feature1/target/feature1-1.0.0-SNAPSHOT.jar");
+		verifier.assertFilePresent("feature2/target/feature2-1.0.0-SNAPSHOT.jar");
+	}
+
+	@Test
+	public void testSingleProjectNoOptionFails() throws Exception {
+		try {
+			verifier.addCliOption("-pl feature1");
+			verifier.executeGoal("verify");
+			fail("Build should fail due to missing reactor dependency");
+		} catch (VerificationException e) {
+			verifier.verifyTextInLog(
+					"Missing requirement: feature1.feature.group 1.0.0.qualifier requires 'org.eclipse.equinox.p2.iu; bundle1 0.0.0' but it could not be found");
+		}
+	}
+
+	@Test
+	public void testDownstreamFailsIfMissingDownstreamDependency() throws Exception {
+		// Downstream brings in feature2 but this requires bundle2 which is unrelated
+		// to specified projects
+		try {
+			verifier.addCliOption("-amd");
+			verifier.addCliOption("-pl bundle1,feature1");
+			verifier.executeGoal("verify");
+			fail("Build should fail due to missing reactor dependency");
+		} catch (VerificationException e) {
+			verifier.verifyTextInLog(
+					"Missing requirement: feature2.feature.group 1.0.0.qualifier requires 'org.eclipse.equinox.p2.iu; bundle2 0.0.0' but it could not be found");
+		}
+	}
+
+}