Add ssh command to ping the plugin

Fixes: QTBI-1544
Change-Id: Ie9ad33b5873a133665dda21ece3f80d0e552b5da
Reviewed-by: Frederik Gladhorn <[email protected]>

Author: jujokini

src/main/java/com/googlesource/gerrit/plugins/qtcodereview/QtCommandPing.java

@@ -0,0 +1,20 @@
+//
+// Copyright (C) 2018 The Qt Company
+//
+
+package com.googlesource.gerrit.plugins.qtcodereview;
+
+import com.google.gerrit.sshd.SshCommand;
+import com.google.gerrit.sshd.CommandMetaData;
+
+@CommandMetaData(name="ping", description="Ping the SSH Command interface")
+class QtCommandPing extends SshCommand {
+    @Override
+    protected void run() {
+        stdout.print(String.format("Pong\n  username=%s\n  name=%s\n  email=%s\n",
+                                    user.asIdentifiedUser().getUserName(),
+                                    user.asIdentifiedUser().getName(),
+                                    user.asIdentifiedUser().getNameEmail()));
+    }
+}
+

src/main/java/com/googlesource/gerrit/plugins/qtcodereview/QtSshModule.java

@@ -10,6 +10,6 @@ class QtSshModule extends PluginCommandModule {
 
     @Override
     protected void configureCommands() {
-
+        command(QtCommandPing.class);
     }
 }

src/test/java/com/googlesource/gerrit/plugins/qtcodereview/QtCodeReviewIT.java

@@ -8,7 +8,7 @@
 import com.google.gerrit.acceptance.PushOneCommit;
 import com.google.gerrit.acceptance.RestResponse;
 import com.google.gerrit.acceptance.TestPlugin;
-
+import com.google.gerrit.acceptance.UseSsh;
 import com.google.gerrit.reviewdb.client.Change;
 
 import org.eclipse.jgit.revwalk.RevCommit;
@@ -22,15 +22,17 @@
     sshModule = "com.googlesource.gerrit.plugins.qtcodereview.QtSshModule"
 )
 
+@UseSsh
 public class QtCodeReviewIT extends LightweightPluginDaemonTest {
 
     protected static final String R_HEADS = "refs/heads/";
     protected static final String R_STAGING = "refs/staging/";
     protected static final String R_PUSH = "refs/for/";
 
     @Test
-    public void dummyTest() {
-
+    public void pingSSHTest() throws Exception {
+        assertThat(adminSshSession.exec("gerrit-plugin-qt-workflow ping")).contains("Pong");
+        assertThat(adminSshSession.getError()).isNull();
     }