Add commit API endpoint

src/Client.php

@@ -1186,6 +1186,39 @@ public function imageSearch($term)
         )->then(array($this->parser, 'expectJson'));
     }
 
+    /**
+     * Create a new image from a container
+     *
+     * @param ?string $container The ID or name of the container to commit
+     * @param ?string $repo      Repository name for the created image
+     * @param ?string $tag       Tag name for the created image
+     * @param ?string $comment   Commit message
+     * @param ?string $author    Author of the image (e.g., John Hannibal Smith <[email protected]>)
+     * @param bool    $pause      Whether to pause the container before committing, default: true
+     * @param ?string $changes   Dockerfile's instructions to apply while committing
+     * @param array   $config     The container configuration (body of the request)
+     * @return PromiseInterface
+     * @link https://docs.docker.com/engine/api/v1.41/#operation/ImageCommit
+     */
+    public function containerCommit($container, $repo = null, $tag = null, $comment = null, $author = null, $pause = true, $changes = null, array $config = array())
+    {
+        return $this->postJson(
+            $this->uri->expand(
+                'commit{?container,repo,tag,comment,author,pause,changes}',
+                array(
+                    'container' => $container,
+                    'repo' => $repo,
+                    'tag' => $tag,
+                    'comment' => $comment,
+                    'author' => $author,
+                    'pause' => $pause,
+                    'changes' => $changes,
+                )
+            ),
+            $config
+        )->then(array($this->parser, 'expectJson'));
+    }
+
     /**
      * Sets up an exec instance in a running container id
      *

tests/ClientTest.php

@@ -601,6 +601,24 @@ public function testImageSearch()
         $this->expectPromiseResolveWith($json, $this->client->imageSearch('clue'));
     }
 
+    public function testCommit()
+    {
+        $json = array();
+        $config = array();
+        $this->expectRequestFlow('post', 'commit?container=123&pause=1', $this->createResponseJson($json), 'expectJson');
+
+        $this->expectPromiseResolveWith($json, $this->client->containerCommit('123', $config));
+    }
+
+    public function testCommitWithAllParams()
+    {
+        $json = array();
+        $config = array();
+        $this->expectRequestFlow('post', 'commit?container=123&repo=docker.io&tag=latest&comment=hello&author=batman&pause=1&changes=EXPOSE%208080', $this->createResponseJson($json), 'expectJson');
+
+        $this->expectPromiseResolveWith($json, $this->client->containerCommit('123', 'docker.io', 'latest', 'hello', 'batman', true, 'EXPOSE 8080', $config));
+    }
+
     public function testExecCreate()
     {
         $json = array();

tests/FunctionalClientTest.php

@@ -435,7 +435,7 @@ public function testCreateConnectDisconnectAndRemoveNetwork()
             'Image' => 'busybox',
             'Cmd' => array('echo', 'test')
         );
-        $networkName = uniqid('reactphp-docker');
+        $networkName = uniqid('reactphp-docker', true);
 
         $promise = $this->client->containerCreate($containerConfig);
         $container = Block\await($promise, Loop::get());
@@ -473,9 +473,53 @@ public function testCreateConnectDisconnectAndRemoveNetwork()
         $ret = Block\await($promise, Loop::get());
 
         // expects "create", "disconnect", "destroy" events ("connect" will be skipped because we don't start the container)
-        $this->assertEquals(3, count($ret));
+        $this->assertCount(3, $ret);
         $this->assertEquals('create', $ret[0]['Action']);
         $this->assertEquals('disconnect', $ret[1]['Action']);
         $this->assertEquals('destroy', $ret[2]['Action']);
     }
+
+    /**
+     * @depends testImageInspectCheckIfBusyboxExists
+     */
+    public function testCreateAndCommitContainer()
+    {
+        $config = array(
+            'Image' => 'busybox',
+            'Cmd' => array('echo', 'test')
+        );
+
+        $promise = $this->client->containerCreate($config);
+        $container = Block\await($promise, Loop::get());
+
+        $this->assertNotNull($container['Id']);
+        $this->assertEmpty($container['Warnings']);
+
+        $promise = $this->client->containerCommit($container['Id']);
+        $image = Block\await($promise, Loop::get());
+
+        $this->assertNotNull($image['Id']);
+        $this->assertArrayNotHasKey('message', $image);
+
+        $promise = $this->client->containerRemove($container['Id'], false, true);
+        $ret = Block\await($promise, Loop::get());
+
+        $this->assertEquals('', $ret);
+
+        $config = array(
+            'Image' => $image['Id'],
+            'Cmd' => array('echo', 'test')
+        );
+
+        $promise = $this->client->containerCreate($config);
+        $container = Block\await($promise, Loop::get());
+
+        $this->assertNotNull($container['Id']);
+        $this->assertEmpty($container['Warnings']);
+
+        $promise = $this->client->containerRemove($container['Id'], false, true);
+        $ret = Block\await($promise, Loop::get());
+
+        $this->assertEquals('', $ret);
+    }
 }