Show nice error message when internal API is unreachable.

3 files changed, 85 insertions, 4 deletions

diff --git a/spec/gitlab_access_spec.rb b/spec/gitlab_access_spec.rb
index 13db4bd..4768c71 100644
--- a/spec/gitlab_access_spec.rb
+++ b/spec/gitlab_access_spec.rb
@@ -5,15 +5,56 @@ describe GitlabAccess do
   let(:repository_path) { "/home/git/repositories" }
   let(:repo_name)   { 'dzaporozhets/gitlab-ci' }
   let(:repo_path)  { File.join(repository_path, repo_name) + ".git" }
-  let(:gitlab_access) { GitlabAccess.new(repo_path, 'key-123', 'wow') }
+  let(:api) do
+    double(GitlabNet).tap do |api|
+      api.stub(check_access: GitAccessStatus.new(true))
+    end
+  end
+  subject do
+    GitlabAccess.new(repo_path, 'key-123', 'wow').tap do |access|
+      access.stub(exec_cmd: :exec_called)
+      access.stub(api: api)
+    end
+  end
 
   before do
     GitlabConfig.any_instance.stub(repos_path: repository_path)
   end
 
   describe :initialize do
-    it { gitlab_access.repo_name.should == repo_name }
-    it { gitlab_access.repo_path.should == repo_path }
-    it { gitlab_access.changes.should == ['wow'] }
+    it { subject.repo_name.should == repo_name }
+    it { subject.repo_path.should == repo_path }
+    it { subject.changes.should == ['wow'] }
+  end
+
+  describe "#exec" do
+    context "access is granted" do
+
+      it "returns true" do
+        expect(subject.exec).to be_true
+      end
+    end
+
+    context "access is denied" do
+
+      before do
+        api.stub(check_access: GitAccessStatus.new(false))
+      end
+
+      it "returns false" do
+        expect(subject.exec).to be_false
+      end
+    end
+
+    context "API connection fails" do
+
+      before do
+        api.stub(:check_access).and_raise(GitlabNet::ApiUnreachableError)
+      end
+
+      it "returns false" do
+        expect(subject.exec).to be_false
+      end
+    end
   end
 end
diff --git a/spec/gitlab_net_spec.rb b/spec/gitlab_net_spec.rb
index e9a9d03..17fb56d 100644
--- a/spec/gitlab_net_spec.rb
+++ b/spec/gitlab_net_spec.rb
@@ -26,6 +26,11 @@ describe GitlabNet, vcr: true do
         gitlab_net.check
       end
     end
+
+    it "raises an exception if the connection fails" do
+      Net::HTTP.any_instance.stub(:request).and_raise(StandardError)
+      expect { gitlab_net.check }.to raise_error(GitlabNet::ApiUnreachableError)
+    end
   end
 
   describe :discover do
@@ -42,6 +47,13 @@ describe GitlabNet, vcr: true do
         gitlab_net.discover('key-126')
       end
     end
+
+    it "raises an exception if the connection fails" do
+      VCR.use_cassette("discover-ok") do
+        Net::HTTP.any_instance.stub(:request).and_raise(StandardError)
+        expect { gitlab_net.discover('key-126') }.to raise_error(GitlabNet::ApiUnreachableError)
+      end
+    end
   end
 
   describe :broadcast_message do
@@ -110,6 +122,13 @@ describe GitlabNet, vcr: true do
         end
       end
     end
+
+    it "raises an exception if the connection fails" do
+      Net::HTTP.any_instance.stub(:request).and_raise(StandardError)
+      expect { 
+        gitlab_net.check_access('git-upload-pack', 'gitlab/gitlabhq.git', 'user-1', changes)
+      }.to raise_error(GitlabNet::ApiUnreachableError)
+    end
   end
 
   describe :host do
diff --git a/spec/gitlab_shell_spec.rb b/spec/gitlab_shell_spec.rb
index 5df2391..4ca7984 100644
--- a/spec/gitlab_shell_spec.rb
+++ b/spec/gitlab_shell_spec.rb
@@ -135,6 +135,27 @@ describe GitlabShell do
         api.should_receive(:discover).with(key_id)
       end
     end
+
+    context "failed connection" do
+      before { 
+        ssh_cmd 'git-upload-pack gitlab-ci.git'
+        api.stub(:check_access).and_raise(GitlabNet::ApiUnreachableError)
+      }
+      after { subject.exec }
+
+      it "should not process the command" do
+        subject.should_not_receive(:process_cmd)
+      end
+
+      it "should not execute the command" do
+        subject.should_not_receive(:exec_cmd)
+      end
+
+      it "should log the failed connection" do
+        message = "gitlab-shell: Failed to connect to internal API"
+        $logger.should_receive(:warn).with(message)
+      end
+    end
   end
 
   describe :validate_access do