98 lines
2.6 KiB
Ruby
98 lines
2.6 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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describe Projects::GrafanaApiController do
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let_it_be(:project) { create(:project) }
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let_it_be(:user) { create(:user) }
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before do
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project.add_reporter(user)
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sign_in(user)
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end
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describe 'GET #proxy' do
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let(:proxy_service) { instance_double(Grafana::ProxyService) }
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let(:params) do
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{
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namespace_id: project.namespace.full_path,
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project_id: project.name,
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proxy_path: 'api/v1/query_range',
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datasource_id: '1',
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query: 'rate(relevant_metric)',
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start: '1570441248',
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end: '1570444848',
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step: '900'
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}
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end
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before do
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allow(Grafana::ProxyService).to receive(:new).and_return(proxy_service)
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allow(proxy_service).to receive(:execute).and_return(service_result)
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end
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shared_examples_for 'error response' do |http_status|
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it "returns #{http_status}" do
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get :proxy, params: params
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expect(response).to have_gitlab_http_status(http_status)
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expect(json_response['status']).to eq('error')
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expect(json_response['message']).to eq('error message')
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end
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end
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context 'with a successful result' do
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let(:service_result) { { status: :success, body: '{}' } }
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it 'returns a grafana datasource response' do
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get :proxy, params: params
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expect(Grafana::ProxyService)
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.to have_received(:new)
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.with(project, '1', 'api/v1/query_range',
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params.slice(:query, :start, :end, :step).stringify_keys)
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expect(response).to have_gitlab_http_status(:ok)
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expect(json_response).to eq({})
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end
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end
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context 'when the request is still unavailable' do
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let(:service_result) { nil }
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it 'returns 204 no content' do
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get :proxy, params: params
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expect(response).to have_gitlab_http_status(:no_content)
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expect(json_response['status']).to eq('processing')
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expect(json_response['message']).to eq('Not ready yet. Try again later.')
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end
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end
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context 'when an error has occurred' do
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context 'with an error accessing grafana' do
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let(:service_result) do
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{
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http_status: :service_unavailable,
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status: :error,
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message: 'error message'
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}
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end
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it_behaves_like 'error response', :service_unavailable
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end
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context 'with a processing error' do
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let(:service_result) do
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{
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status: :error,
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message: 'error message'
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}
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end
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it_behaves_like 'error response', :bad_request
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end
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end
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end
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end
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