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Diffstat (limited to 'spec/lib/gitlab/prometheus_spec.rb')
-rw-r--r--spec/lib/gitlab/prometheus_spec.rb143
1 files changed, 0 insertions, 143 deletions
diff --git a/spec/lib/gitlab/prometheus_spec.rb b/spec/lib/gitlab/prometheus_spec.rb
deleted file mode 100644
index 280264188e2..00000000000
--- a/spec/lib/gitlab/prometheus_spec.rb
+++ /dev/null
@@ -1,143 +0,0 @@
-require 'spec_helper'
-
-describe Gitlab::Prometheus, lib: true do
- include PrometheusHelpers
-
- subject { described_class.new(api_url: 'https://prometheus.example.com') }
-
- describe '#ping' do
- it 'issues a "query" request to the API endpoint' do
- req_stub = stub_prometheus_request(prometheus_query_url('1'), body: prometheus_value_body('vector'))
-
- expect(subject.ping).to eq({ "resultType" => "vector", "result" => [{ "metric" => {}, "value" => [1488772511.004, "0.000041021495238095323"] }] })
- expect(req_stub).to have_been_requested
- end
- end
-
- # This shared examples expect:
- # - query_url: A query URL
- # - execute_query: A query call
- shared_examples 'failure response' do
- context 'when request returns 400 with an error message' do
- it 'raises a Gitlab::PrometheusError error' do
- req_stub = stub_prometheus_request(query_url, status: 400, body: { error: 'bar!' })
-
- expect { execute_query }
- .to raise_error(Gitlab::PrometheusError, 'bar!')
- expect(req_stub).to have_been_requested
- end
- end
-
- context 'when request returns 400 without an error message' do
- it 'raises a Gitlab::PrometheusError error' do
- req_stub = stub_prometheus_request(query_url, status: 400)
-
- expect { execute_query }
- .to raise_error(Gitlab::PrometheusError, 'Bad data received')
- expect(req_stub).to have_been_requested
- end
- end
-
- context 'when request returns 500' do
- it 'raises a Gitlab::PrometheusError error' do
- req_stub = stub_prometheus_request(query_url, status: 500, body: { message: 'FAIL!' })
-
- expect { execute_query }
- .to raise_error(Gitlab::PrometheusError, '500 - {"message":"FAIL!"}')
- expect(req_stub).to have_been_requested
- end
- end
- end
-
- describe '#query' do
- let(:prometheus_query) { prometheus_cpu_query('env-slug') }
- let(:query_url) { prometheus_query_url(prometheus_query) }
-
- context 'when request returns vector results' do
- it 'returns data from the API call' do
- req_stub = stub_prometheus_request(query_url, body: prometheus_value_body('vector'))
-
- expect(subject.query(prometheus_query)).to eq [{ "metric" => {}, "value" => [1488772511.004, "0.000041021495238095323"] }]
- expect(req_stub).to have_been_requested
- end
- end
-
- context 'when request returns matrix results' do
- it 'returns nil' do
- req_stub = stub_prometheus_request(query_url, body: prometheus_value_body('matrix'))
-
- expect(subject.query(prometheus_query)).to be_nil
- expect(req_stub).to have_been_requested
- end
- end
-
- context 'when request returns no data' do
- it 'returns []' do
- req_stub = stub_prometheus_request(query_url, body: prometheus_empty_body('vector'))
-
- expect(subject.query(prometheus_query)).to be_empty
- expect(req_stub).to have_been_requested
- end
- end
-
- it_behaves_like 'failure response' do
- let(:execute_query) { subject.query(prometheus_query) }
- end
- end
-
- describe '#query_range' do
- let(:prometheus_query) { prometheus_memory_query('env-slug') }
- let(:query_url) { prometheus_query_range_url(prometheus_query) }
-
- around do |example|
- Timecop.freeze { example.run }
- end
-
- context 'when a start time is passed' do
- let(:query_url) { prometheus_query_range_url(prometheus_query, start: 2.hours.ago) }
-
- it 'passed it in the requested URL' do
- req_stub = stub_prometheus_request(query_url, body: prometheus_values_body('vector'))
-
- subject.query_range(prometheus_query, start: 2.hours.ago)
- expect(req_stub).to have_been_requested
- end
- end
-
- context 'when request returns vector results' do
- it 'returns nil' do
- req_stub = stub_prometheus_request(query_url, body: prometheus_values_body('vector'))
-
- expect(subject.query_range(prometheus_query)).to be_nil
- expect(req_stub).to have_been_requested
- end
- end
-
- context 'when request returns matrix results' do
- it 'returns data from the API call' do
- req_stub = stub_prometheus_request(query_url, body: prometheus_values_body('matrix'))
-
- expect(subject.query_range(prometheus_query)).to eq([
- {
- "metric" => {},
- "values" => [[1488758662.506, "0.00002996364761904785"], [1488758722.506, "0.00003090239047619091"]]
- }
- ])
- expect(req_stub).to have_been_requested
- end
- end
-
- context 'when request returns no data' do
- it 'returns []' do
- req_stub = stub_prometheus_request(query_url, body: prometheus_empty_body('matrix'))
-
- expect(subject.query_range(prometheus_query)).to be_empty
- expect(req_stub).to have_been_requested
- end
- end
-
- it_behaves_like 'failure response' do
- let(:execute_query) { subject.query_range(prometheus_query) }
- end
- end
-end