Add tests.

lib/gitlab_post_receive.rb

@@ -16,7 +16,7 @@ class GitlabPostReceive
     # get value from it
     ENV['GL_ID'] = nil
 
-    success = update_redis
+    result = update_redis
 
     begin
       broadcast_message = GitlabNet.new.broadcast_message
@@ -29,7 +29,7 @@ class GitlabPostReceive
       nil
     end
 
-    success
+    result
   end
 
   protected

spec/gitlab_post_receive_spec.rb

@@ -4,18 +4,87 @@ require 'gitlab_post_receive'
 describe GitlabPostReceive do
   let(:repository_path) { "/home/git/repositories" }
   let(:repo_name)   { 'dzaporozhets/gitlab-ci' }
+  let(:actor)   { 'key-123' }
+  let(:changes)   { 'wow' }
   let(:repo_path)  { File.join(repository_path, repo_name) + ".git" }
-  let(:gitlab_post_receive) { GitlabPostReceive.new(repo_path, 'key-123', 'wow') }
+  let(:gitlab_post_receive) { GitlabPostReceive.new(repo_path, actor, changes) }
+  let(:message) { "test " * 10 + "message " * 10 }
 
   before do
     GitlabConfig.any_instance.stub(repos_path: repository_path)
-    Kernel.stub(system: true)
-    GitlabNet.any_instance.stub(broadcast_message: { "message" => "test " * 10 + "message " * 10 })
+    GitlabNet.any_instance.stub(broadcast_message: { "message" => message })
   end
 
-  describe :initialize do
-    it { gitlab_post_receive.repo_path.should == repo_path }
-    it { gitlab_post_receive.changes.should == 'wow' }
-    it { gitlab_post_receive.exec }
+  describe "#exec" do
+
+    before do
+      GitlabConfig.any_instance.stub(redis_command: %w(env -i redis-cli))
+      allow(gitlab_post_receive).to receive(:system).and_return(true)
+    end
+
+    it "resets the GL_ID environment variable" do
+      ENV["GL_ID"] = actor
+
+      gitlab_post_receive.exec
+
+      expect(ENV["GL_ID"]).to be_nil
+    end
+
+    it "prints the broadcast message" do
+      expect(gitlab_post_receive).to receive(:puts).ordered
+      expect(gitlab_post_receive).to receive(:puts).with(
+        "========================================================================"
+      ).ordered
+      expect(gitlab_post_receive).to receive(:puts).ordered
+
+      expect(gitlab_post_receive).to receive(:puts).with(
+        "   test test test test test test test test test test message message"
+      ).ordered
+      expect(gitlab_post_receive).to receive(:puts).with(
+        "    message message message message message message message message"
+      ).ordered
+
+      expect(gitlab_post_receive).to receive(:puts).ordered      
+      expect(gitlab_post_receive).to receive(:puts).with(
+        "========================================================================"
+      ).ordered
+
+      gitlab_post_receive.exec
+    end
+
+    it "pushes a Sidekiq job onto the queue" do
+      expect(gitlab_post_receive).to receive(:system).with(
+        *[
+          *%w(env -i redis-cli rpush resque:gitlab:queue:post_receive), 
+          %Q/{"class":"PostReceive","args":["#{repo_path}","#{actor}","#{changes}"]}/,
+          { err: "/dev/null", out: "/dev/null" }
+        ]
+      ).and_return(true)
+
+      gitlab_post_receive.exec
+    end
+
+    context "when the redis command succeeds" do
+
+      before do
+        allow(gitlab_post_receive).to receive(:system).and_return(true)
+      end
+
+      it "returns true" do
+        expect(gitlab_post_receive.exec).to eq(true)
+      end
+    end
+
+    context "when the redis command fails" do
+
+      before do
+        allow(gitlab_post_receive).to receive(:system).and_return(false)
+        allow($?).to receive(:exitstatus).and_return(nil)
+      end
+
+      it "returns false" do
+        expect(gitlab_post_receive.exec).to eq(false)
+      end
+    end
   end
 end