Merge pull request #226 from grails/add-jvm-version-info

Add JVM version info to Grails CLI

grails-cli/src/main/java/org/grails/forge/cli/util/GrailsVersionProvider.java

@@ -44,7 +44,8 @@ public class GrailsVersionProvider implements IVersionProvider {
 
     public String[] getVersion() {
         return new String[] {
-                "Grails Version: " + VersionInfo.getGrailsVersion()
+                "Grails Version: " + VersionInfo.getGrailsVersion(),
+                "JVM Version: " + System.getProperty("java.version")
         };
     }
 }

grails-cli/src/test/groovy/org/grails/forge/cli/command/ApplicationCommandSpec.groovy

@@ -0,0 +1,41 @@
+package org.grails.forge.cli.command
+
+import io.micronaut.configuration.picocli.PicocliRunner
+import io.micronaut.context.ApplicationContext
+import io.micronaut.context.env.Environment
+import org.grails.forge.cli.Application
+import org.grails.forge.cli.CommandFixture
+import org.grails.forge.cli.CommandSpec
+import org.grails.forge.util.VersionInfo
+import spock.lang.AutoCleanup
+import spock.lang.Shared
+
+class ApplicationCommandSpec extends CommandSpec implements CommandFixture {
+
+    @Shared
+    @AutoCleanup
+    ApplicationContext ctx = ApplicationContext.run(Environment.CLI)
+
+    @Shared
+    @AutoCleanup
+    ApplicationContext beanContext = ApplicationContext.run()
+
+    void "print version info via: grails #args"() {
+        given:
+        ByteArrayOutputStream out = new ByteArrayOutputStream()
+        System.setOut(new PrintStream(out))
+
+        when:
+        PicocliRunner.run(Application, ctx, args)
+
+        then:
+        noExceptionThrown()
+        out.toString().contains("Grails Version: " + VersionInfo.getGrailsVersion())
+        out.toString().contains("JVM Version: " + System.getProperty("java.version"))
+
+        where:
+        args        | _
+        "--version" | _
+        "-V"        | _
+    }
+}