Integration test for docker.version()

Author: amihaiemil

src/main/java/com/amihaiemil/docker/RtDocker.java

@@ -49,7 +49,7 @@ abstract class RtDocker implements Docker {
      * Base URI.
      */
     private final URI baseUri;
-    
+
     /**
      * Ctor.
      * @param client Given HTTP Client.
@@ -59,7 +59,7 @@ abstract class RtDocker implements Docker {
         this.client = client;
         this.baseUri = baseUri;
     }
-    
+
     @Override
     public final boolean ping() throws IOException {
         final HttpGet ping = new HttpGet(this.baseUri.toString() + "/_ping");
@@ -126,7 +126,7 @@ public final Execs execs() {
     public final Swarm swarm() {
         return new RtSwarm(
             this.client,
-            URI.create(this.baseUri.toString().concat("/swarm")), 
+            URI.create(this.baseUri.toString().concat("/swarm")),
             this
         );
     }
@@ -157,7 +157,8 @@ public Version version() throws IOException {
         final String versionUri = this.baseUri.toString() + "/version";
         return new RtVersion(
             this.client,
-            URI.create(versionUri)
+            URI.create(versionUri),
+            this
         );
     }
 

src/main/java/com/amihaiemil/docker/RtVersion.java

@@ -39,14 +39,26 @@
  * @since 0.0.11
  */
 final class RtVersion extends JsonResource implements Version {
+
+    /**
+     * Docker to which this Version belongs.
+     */
+    private final Docker docker;
+
     /**
      * Ctor.
      * @param client The http client.
      * @param uri The URI for this version.
+     * @param dkr Parent Docker.
      * @throws IOException If an I/O error occurs.
      */
-    RtVersion(final HttpClient client, final URI uri) throws IOException {
+    RtVersion(
+        final HttpClient client,
+        final URI uri,
+        final Docker dkr
+    ) throws IOException {
         super(fetch(client, uri));
+        this.docker = dkr;
     }
 
     /**
@@ -134,4 +146,9 @@ public String arch() {
     public boolean experimental() {
         return this.getBoolean("Experimental");
     }
+
+    @Override
+    public Docker docker() {
+        return this.docker;
+    }
 }

src/main/java/com/amihaiemil/docker/Version.java

@@ -49,4 +49,10 @@ public interface Version extends JsonObject {
      * @return Whether experimental docker features are enabled
      */
     boolean experimental();
+
+    /**
+     * The Docker engine to which this Version belongs.
+     * @return Docker.
+     */
+    Docker docker();
 }

src/test/java/com/amihaiemil/docker/UnixDockerITCase.java

@@ -80,6 +80,25 @@ public void returnsInfo() throws Exception {
         );
     }
 
+    /**
+     * UnixDocker can return the Version of Docker.
+     * @throws Exception If something goes wrong.
+     */
+    @Test
+    public void returnsVersion() throws Exception {
+        final Docker docker = new UnixDocker(
+            new File("/var/run/docker.sock")
+        );
+        final Version version = docker.version();
+        MatcherAssert.assertThat(version, Matchers.notNullValue());
+        MatcherAssert.assertThat(version.docker(), Matchers.is(docker));
+        MatcherAssert.assertThat(
+            version.platformName(),
+            Matchers.equalTo("Docker Engine - Community")
+        );
+    }
+
+
     /**
      * Docker can return its Events unfiltered.
      * @throws Exception If something goes wrong.