Add an integration test of using modular artifacts with jlink in JDK9

Setup maven plugin integration test execution with JDK9 as java home.

libraries/tools/kotlin-maven-plugin-test/pom.xml

@@ -107,8 +107,6 @@
                         <artifactId>maven-invoker-plugin</artifactId>
                         <version>2.0.0</version>
                         <configuration>
-                            <projectsDirectory>src/it</projectsDirectory>
-                            <cloneProjectsTo>${project.build.directory}/it</cloneProjectsTo>
                             <pomIncludes>
                                 <pomInclude>*/pom.xml</pomInclude>
                             </pomIncludes>
@@ -131,6 +129,10 @@
                                 <artifact>org.jetbrains.kotlin:kotlin-stdlib-jdk7:${project.version}</artifact>
                                 <artifact>org.jetbrains.kotlin:kotlin-stdlib-jdk8:${project.version}</artifact>
                                 <artifact>org.jetbrains.kotlin:kotlin-reflect:${project.version}</artifact>
+                                <artifact>org.jetbrains.kotlin:kotlin-stdlib:${project.version}:jar:modular</artifact>
+                                <artifact>org.jetbrains.kotlin:kotlin-stdlib-jdk7:${project.version}:jar:modular</artifact>
+                                <artifact>org.jetbrains.kotlin:kotlin-stdlib-jdk8:${project.version}:jar:modular</artifact>
+                                <artifact>org.jetbrains.kotlin:kotlin-reflect:${project.version}:jar:modular</artifact>
                                 <artifact>org.jetbrains.kotlin:kotlin-test-common:${project.version}</artifact>
                                 <artifact>org.jetbrains.kotlin:kotlin-test-annotations-common:${project.version}</artifact>
                                 <artifact>org.jetbrains.kotlin:kotlin-test:${project.version}</artifact>
@@ -152,12 +154,28 @@
                         <executions>
                             <execution>
                                 <id>integration-test</id>
+                                <configuration>
+                                    <projectsDirectory>src/it</projectsDirectory>
+                                    <cloneProjectsTo>${project.build.directory}/it</cloneProjectsTo>
+                                </configuration>
                                 <!--<phase>package</phase>-->
                                 <goals>
                                     <goal>install</goal>
                                     <goal>run</goal>
                                 </goals>
                             </execution>
+                            <execution>
+                                <id>integration-test-java9</id>
+                                <configuration>
+                                    <projectsDirectory>src/it/java9</projectsDirectory>
+                                    <cloneProjectsTo>${project.build.directory}/it/java9</cloneProjectsTo>
+                                    <javaHome>${env.JDK_9}</javaHome>
+                                </configuration>
+                                <goals>
+                                    <goal>install</goal>
+                                    <goal>run</goal>
+                                </goals>
+                            </execution>
                         </executions>
                     </plugin>
                 </plugins>

libraries/tools/kotlin-maven-plugin-test/src/it/java9/test-jlink-modular-artifacts/app/pom.xml

@@ -0,0 +1,60 @@
+<?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">
+    <parent>
+        <artifactId>test-mavenModular</artifactId>
+        <groupId>org.test</groupId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>test-mavenModularApp</artifactId>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.jetbrains.kotlin</groupId>
+            <artifactId>kotlin-stdlib-jdk8</artifactId>
+            <version>${kotlin.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.jetbrains.kotlin</groupId>
+            <artifactId>kotlin-test-junit</artifactId>
+            <version>${kotlin.version}</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <sourceDirectory>src/main/java</sourceDirectory>
+        <testSourceDirectory>src/test/java</testSourceDirectory>
+
+        <plugins>
+            <plugin>
+                <groupId>org.jetbrains.kotlin</groupId>
+                <artifactId>kotlin-maven-plugin</artifactId>
+                <version>${kotlin.version}</version>
+                <executions>
+                    <execution>
+                        <id>compile</id>
+                        <phase>process-sources</phase>
+                        <goals>
+                            <goal>compile</goal>
+                        </goals>
+                    </execution>
+                    <execution>
+                        <id>test-compile</id>
+                        <phase>test-compile</phase>
+                        <goals>
+                            <goal>test-compile</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+
+
+        </plugins>
+    </build>
+
+</project>

libraries/tools/kotlin-maven-plugin-test/src/it/java9/test-jlink-modular-artifacts/app/src/main/java/module-info.java

@@ -0,0 +1,6 @@
+module org.test.modularApp {
+    requires transitive kotlin.stdlib;
+    requires kotlin.stdlib.jdk8;
+
+    exports org.test.modularApp;
+}

libraries/tools/kotlin-maven-plugin-test/src/it/java9/test-jlink-modular-artifacts/app/src/main/java/org/test/modularApp/Hello.kt

@@ -0,0 +1,13 @@
+/*
+ * Copyright 2010-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the license/LICENSE.txt file.
+ */
+
+package org.test.modularApp
+
+import kotlin.math.*
+import kotlin.random.*
+
+fun main() {
+    println(Random.nextDouble(abs(sin(PI) + cos(PI))))
+}

libraries/tools/kotlin-maven-plugin-test/src/it/java9/test-jlink-modular-artifacts/jlinked/pom.xml

@@ -0,0 +1,105 @@
+<?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">
+    <parent>
+        <artifactId>test-mavenModular</artifactId>
+        <groupId>org.test</groupId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>test-mavenModular-jlinked</artifactId>
+    <packaging>jar</packaging>
+
+    <dependencies>
+        <!--
+         Here goes a boilerplate part: we need to exclude all kotlin non-modular library artifacts coming
+         as a transitive dependency from every dependency of this project.
+        -->
+        <dependency>
+            <groupId>org.jetbrains.kotlin</groupId>
+            <artifactId>kotlin-stdlib</artifactId>
+            <version>${kotlin.version}</version>
+            <classifier>modular</classifier>
+            <exclusions>
+                <exclusion>
+                    <groupId>org.jetbrains.kotlin</groupId>
+                    <artifactId>kotlin-stdlib-common</artifactId>
+                </exclusion>
+                <exclusion>
+                    <groupId>org.jetbrains</groupId>
+                    <artifactId>annotations</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+        <dependency>
+            <groupId>org.jetbrains.kotlin</groupId>
+            <artifactId>kotlin-stdlib-jdk7</artifactId>
+            <version>${kotlin.version}</version>
+            <classifier>modular</classifier>
+            <exclusions>
+                <exclusion>
+                    <groupId>org.jetbrains.kotlin</groupId>
+                    <artifactId>kotlin-stdlib</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+        <dependency>
+            <groupId>org.jetbrains.kotlin</groupId>
+            <artifactId>kotlin-stdlib-jdk8</artifactId>
+            <version>${kotlin.version}</version>
+            <classifier>modular</classifier>
+            <exclusions>
+                <exclusion>
+                    <groupId>org.jetbrains.kotlin</groupId>
+                    <artifactId>kotlin-stdlib-jdk7</artifactId>
+                </exclusion>
+                <exclusion>
+                    <groupId>org.jetbrains.kotlin</groupId>
+                    <artifactId>kotlin-stdlib</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+
+        <dependency>
+            <groupId>org.test</groupId>
+            <artifactId>test-mavenModularApp</artifactId>
+            <version>1.0-SNAPSHOT</version>
+            <exclusions>
+                <exclusion>
+                    <groupId>org.jetbrains.kotlin</groupId>
+                    <artifactId>kotlin-stdlib-jdk8</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+    </dependencies>
+
+
+    <build>
+        <plugins>
+            <plugin>
+                <artifactId>maven-jar-plugin</artifactId>
+                <!-- We need to remove the default execution of maven-jar-plugin, otherwise there will be a clash of
+                the artifacts produced by this plugin and by maven-jlink-plugin -->
+                <executions>
+                    <execution>
+                        <id>default-jar</id>
+                        <phase/>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-jlink-plugin</artifactId>
+                <version>3.0.0-alpha-1</version>
+                <executions>
+                    <execution>
+                        <goals><goal>jlink</goal></goals>
+                    </execution>
+                </executions>
+            </plugin>
+
+        </plugins>
+    </build>
+</project>

libraries/tools/kotlin-maven-plugin-test/src/it/java9/test-jlink-modular-artifacts/pom.xml

@@ -0,0 +1,43 @@
+<?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>
+
+    <groupId>org.test</groupId>
+    <artifactId>test-mavenModular</artifactId>
+    <version>1.0-SNAPSHOT</version>
+    <packaging>pom</packaging>
+
+    <name>mavenModular Example</name>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <junit.version>4.12</junit.version>
+    </properties>
+
+    <modules>
+        <module>app</module>
+        <module>jlinked</module>
+    </modules>
+
+    <build>
+        <pluginManagement>
+            <plugins>
+                <plugin>
+                    <artifactId>maven-compiler-plugin</artifactId>
+                    <version>3.8.0</version>
+                    <configuration>
+                        <source>1.9</source>
+                        <target>1.9</target>
+                    </configuration>
+                </plugin>
+                <plugin>
+                    <artifactId>maven-surefire-plugin</artifactId>
+                    <version>2.22.1</version>
+                </plugin>
+            </plugins>
+        </pluginManagement>
+    </build>
+
+
+</project>

libraries/tools/kotlin-maven-plugin-test/src/it/java9/test-jlink-modular-artifacts/verify.groovy

@@ -0,0 +1,22 @@
+import java.io.*;
+
+File file = new File(basedir, "jlinked/target/maven-jlink/release")
+if (!file.exists() || !file.isFile()) {
+    throw new FileNotFoundException("Could not find generated image release file: " + file)
+}
+
+def releaseProps = new Properties()
+releaseProps.load(new FileReader(file))
+
+def modules = releaseProps.getProperty("MODULES")
+assert modules != null : "MODULES property missing"
+
+if (modules.startsWith("\"") && modules.endsWith("\"")) modules = modules[1..-2]
+
+println("jlink has built an image with modules: $modules")
+
+def moduleSet = modules.tokenize(" ").toSet()
+
+for (module in ["java.base", "kotlin.stdlib", "kotlin.stdlib.jdk7", "kotlin.stdlib.jdk8", "org.test.modularApp"]) {
+    assert moduleSet.contains(module) : "Expected to find $module in image modules: $modules"
+}