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describe Gitlab::HealthChecks::PrometheusTextFormat do
let(:metric_class) { Gitlab::HealthChecks::Metric }
subject { described_class.new }
describe '#marshal' do
let(:sample_metrics) do
[metric_class.new('metric1', 1),
metric_class.new('metric2', 2)]
end
it 'marshal to text with non repeating type definition' do
expected = <<-EXPECTED.strip_heredoc
# TYPE metric1 gauge
metric1 1
# TYPE metric2 gauge
metric2 2
EXPECTED
expect(subject.marshal(sample_metrics)).to eq(expected)
end
context 'metrics where name repeats' do
let(:sample_metrics) do
[metric_class.new('metric1', 1),
metric_class.new('metric1', 2),
metric_class.new('metric2', 3)]
end
it 'marshal to text with non repeating type definition' do
expected = <<-EXPECTED.strip_heredoc
# TYPE metric1 gauge
metric1 1
metric1 2
# TYPE metric2 gauge
metric2 3
EXPECTED
expect(subject.marshal(sample_metrics)).to eq(expected)
end
end
end
end
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