Matched Metrics tests

1 files changed, 50 insertions, 0 deletions

diff --git a/spec/lib/gitlab/prometheus/queries/matched_metrics_query_spec.rb b/spec/lib/gitlab/prometheus/queries/matched_metrics_query_spec.rb
new file mode 100644
index 00000000000..0aee9d37889
--- /dev/null
+++ b/spec/lib/gitlab/prometheus/queries/matched_metrics_query_spec.rb
@@ -0,0 +1,50 @@
+require 'spec_helper'
+
+describe Gitlab::Prometheus::Queries::MatchedMetricsQuery, lib: true do
+  let(:environment) { create(:environment, slug: 'environment-slug') }
+  let(:deployment) { create(:deployment, environment: environment) }
+
+  let(:client) { double('prometheus_client') }
+  subject { described_class.new(client) }
+
+  around do |example|
+    time_without_subsecond_values = Time.local(2008, 9, 1, 12, 0, 0)
+    Timecop.freeze(time_without_subsecond_values) { example.run }
+  end
+
+  let(:metric_group_class) { Gitlab::Prometheus::MetricGroup }
+  let(:metric_class) { Gitlab::Prometheus::Metric }
+
+  let(:simple_metrics) do
+    [
+      metric_class.new('title', ['metrica', 'metricb'], '1', 'y_label', [{ :query_range => 'avg' }])
+    ]
+  end
+
+  let(:simple_metric_group) do
+    metric_group_class.new('name', 1, simple_metrics)
+  end
+
+  let(:xx) do
+    [{
+       '__name__': 'metrica',
+       'environment': 'mattermost'
+     },
+     {
+       '__name__': 'metricb',
+       'environment': 'mattermost'
+     }]
+  end
+
+  before do
+    allow(metric_group_class).to receive(:all).and_return([simple_metric_group])
+
+    allow(client).to receive(:label_values).and_return(['metrica', 'metricb'])
+    allow(client).to receive(:series).and_return(xx)
+  end
+
+  it "something something" do
+
+    expect(subject.query).to eq("asf")
+  end
+end