Add support for docker push, update tests and readme.

Author: msoghoian

README.md

@@ -620,6 +620,45 @@ docker.command('pull nginx:latest').then(function (data) {
 //      ' stdout = '' stderr = 'Error response from daemon: manifest for nginx:999.999.999 not found
 ```
 
+* docker push
+
+```js
+docker.command('push nginx:latest').then(function (data) {
+  console.log('data = ', data);
+  // Successfully pulled image
+ }, function (rejected) {
+ 	console.log('rejected = ', rejected);
+ 	// Failed to pull image
+ });
+
+// data =  { command: 'docker   push mattsoghoian/test ',
+//          raw:
+//           'The push refers to repository [docker.io/<username>/<repo>]\n08d25fa0442e: Preparing\na8c4aeeaa045: Preparing\ncdb3f9544e4c: Preparing\n08d25fa0442e: Mounted from library/nginx\na8c4aeeaa045: Mounted from library/nginx\ncdb3f9544e4c: Mounted from library/nginx\nlatest: digest: sha256:4ffd9758ea9ea360fd87d0cee7a2d1cf9dba630bb57ca36b3108dcd3708dc189 size: 948\n',
+//          login:
+//           'The push refers to repository [docker.io/<username>/<repo>]\n08d25fa0442e: Preparing\na8c4aeeaa045: Preparing\ncdb3f9544e4c: Preparing\n08d25fa0442e: Mounted from library/nginx\na8c4aeeaa045: Mounted from library/nginx\ncdb3f9544e4c: Mounted from library/nginx\nlatest: digest: sha256:4ffd9758ea9ea360fd87d0cee7a2d1cf9dba630bb57ca36b3108dcd3708dc189 size: 948' }
+
+// rejected =  error: 'Error: Command failed: docker   push nginx 
+//        An image does not exist locally with the tag: nginx
+//        ' stdout = 'The push refers to repository [docker.io/library/nginx]
+//        ' stderr = 'An image does not exist locally with the tag: nginx
+
+// rejected =  error: 'Error: Command failed: docker   push nginx 
+//        errors:
+//        denied: requested access to the resource is denied
+//        unauthorized: authentication required
+//        ' stdout = 'The push refers to repository [docker.io/library/nginx]
+//        08d25fa0442e: Preparing
+//        a8c4aeeaa045: Preparing
+//        cdb3f9544e4c: Preparing
+//        cdb3f9544e4c: Layer already exists
+//        08d25fa0442e: Layer already exists
+//        a8c4aeeaa045: Layer already exists
+//        ' stderr = 'errors:
+//        denied: requested access to the resource is denied
+//        unauthorized: authentication required
+//        '
+```
+
 
 ## License
 

src/index.spec.ts

@@ -165,4 +165,29 @@ test("docker-cli-js", (t) => {
     });
   });
 
+  t.test("push intentionally failed, denied repo access", (t) => {
+
+    const docker = new Docker();
+
+    return docker.command("push nginx").then(function(data) {
+      console.log("data = ", data);
+      t.ok(data.login);
+    }, function(rejected) {
+        console.log("rejected = ", rejected);
+        t.ok(/error/.test(rejected));
+      });
+    });
+
+  t.test("push intentionally failed, local image does not exist", (t) => {
+
+    const docker = new Docker();
+
+    return docker.command("push dmarionertfulthestoncoag").then(function(data) {
+      console.log("data = ", data);
+      t.ok(data.login);
+    }, function(rejected) {
+      console.log("rejected = ", rejected);
+      t.ok(/error/.test(rejected));
+    });
+  });
 });

src/index.ts

@@ -138,6 +138,14 @@ const extractResult = function(result: any) {
       run(resultp: any) {
         resultp.login = resultp.raw.trim();
 
+        return resultp;
+      },
+    },
+    {
+      re: / push /,
+      run(resultp: any) {
+        resultp.login = resultp.raw.trim();
+
         return resultp;
       },
     },