1 files changed, 73 insertions, 0 deletions
diff --git a/spec/models/integrations/mock_ci_spec.rb b/spec/models/integrations/mock_ci_spec.rb
new file mode 100644
index 00000000000..d29c63b3a97
--- /dev/null
+++ b/spec/models/integrations/mock_ci_spec.rb
@@ -0,0 +1,73 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Integrations::MockCi do
+  let_it_be(:project) { build(:project) }
+
+  subject(:integration) { described_class.new(project: project, mock_service_url: generate(:url)) }
+
+  include_context Integrations::EnableSslVerification
+
+  describe '#commit_status' do
+    let(:sha) { generate(:sha) }
+
+    def stub_request(*args)
+      WebMock.stub_request(:get, integration.commit_status_path(sha)).to_return(*args)
+    end
+
+    def commit_status
+      integration.commit_status(sha, 'master')
+    end
+
+    it 'returns allowed states' do
+      described_class::ALLOWED_STATES.each do |state|
+        stub_request(status: 200, body: { status: state }.to_json)
+
+        expect(commit_status).to eq(state)
+      end
+    end
+
+    it 'returns :pending for 404 responses' do
+      stub_request(status: 404)
+
+      expect(commit_status).to eq(:pending)
+    end
+
+    it 'returns :error for responses other than 200 or 404' do
+      stub_request(status: 500)
+
+      expect(commit_status).to eq(:error)
+    end
+
+    it 'returns :error for unknown states' do
+      stub_request(status: 200, body: { status: 'unknown' }.to_json)
+
+      expect(commit_status).to eq(:error)
+    end
+
+    it 'returns :error for invalid JSON' do
+      stub_request(status: 200, body: '')
+
+      expect(commit_status).to eq(:error)
+    end
+
+    it 'returns :error for non-hash JSON responses' do
+      stub_request(status: 200, body: 23.to_json)
+
+      expect(commit_status).to eq(:error)
+    end
+
+    it 'returns :error for JSON responses without a status' do
+      stub_request(status: 200, body: { foo: :bar }.to_json)
+
+      expect(commit_status).to eq(:error)
+    end
+
+    it 'returns :error when connection is refused' do
+      stub_request(status: 500).to_raise(Errno::ECONNREFUSED)
+
+      expect(commit_status).to eq(:error)
+    end
+  end
+end