1 files changed, 105 insertions, 0 deletions
diff --git a/spec/lib/gitlab/zentao/client_spec.rb b/spec/lib/gitlab/zentao/client_spec.rb
new file mode 100644
index 00000000000..e3a335c1e89
--- /dev/null
+++ b/spec/lib/gitlab/zentao/client_spec.rb
@@ -0,0 +1,105 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Gitlab::Zentao::Client do
+  subject(:integration) { described_class.new(zentao_integration) }
+
+  let(:zentao_integration) { create(:zentao_integration) }
+  let(:mock_get_products_url) { integration.send(:url, "products/#{zentao_integration.zentao_product_xid}") }
+
+  describe '#new' do
+    context 'if integration is nil' do
+      let(:zentao_integration) { nil }
+
+      it 'raises ConfigError' do
+        expect { integration }.to raise_error(described_class::ConfigError)
+      end
+    end
+
+    context 'integration is provided' do
+      it 'is initialized successfully' do
+        expect { integration }.not_to raise_error
+      end
+    end
+  end
+
+  describe '#fetch_product' do
+    let(:mock_headers) do
+      {
+        headers: {
+          'Content-Type' => 'application/json',
+          'Token' => zentao_integration.api_token
+        }
+      }
+    end
+
+    context 'with valid product' do
+      let(:mock_response) { { 'id' => zentao_integration.zentao_product_xid } }
+
+      before do
+        WebMock.stub_request(:get, mock_get_products_url)
+               .with(mock_headers).to_return(status: 200, body: mock_response.to_json)
+      end
+
+      it 'fetches the product' do
+        expect(integration.fetch_product(zentao_integration.zentao_product_xid)).to eq mock_response
+      end
+    end
+
+    context 'with invalid product' do
+      before do
+        WebMock.stub_request(:get, mock_get_products_url)
+               .with(mock_headers).to_return(status: 404, body: {}.to_json)
+      end
+
+      it 'fetches the empty product' do
+        expect(integration.fetch_product(zentao_integration.zentao_product_xid)).to eq({})
+      end
+    end
+
+    context 'with invalid response' do
+      before do
+        WebMock.stub_request(:get, mock_get_products_url)
+               .with(mock_headers).to_return(status: 200, body: '[invalid json}')
+      end
+
+      it 'fetches the empty product' do
+        expect(integration.fetch_product(zentao_integration.zentao_product_xid)).to eq({})
+      end
+    end
+  end
+
+  describe '#ping' do
+    let(:mock_headers) do
+      {
+        headers: {
+          'Content-Type' => 'application/json',
+          'Token' => zentao_integration.api_token
+        }
+      }
+    end
+
+    context 'with valid resource' do
+      before do
+        WebMock.stub_request(:get, mock_get_products_url)
+               .with(mock_headers).to_return(status: 200, body: { 'deleted' => '0' }.to_json)
+      end
+
+      it 'responds with success' do
+        expect(integration.ping[:success]).to eq true
+      end
+    end
+
+    context 'with deleted resource' do
+      before do
+        WebMock.stub_request(:get, mock_get_products_url)
+               .with(mock_headers).to_return(status: 200, body: { 'deleted' => '1' }.to_json)
+      end
+
+      it 'responds with unsuccess' do
+        expect(integration.ping[:success]).to eq false
+      end
+    end
+  end
+end