163a43629c
Although `flat_map` is equivalent to `map` + `flatten(1)` (note the level 1) we can apply this same refactoring to all cases.
48 lines
1.6 KiB
Ruby
48 lines
1.6 KiB
Ruby
# frozen_string_literal: true
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require 'rails_helper'
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describe Gitlab::Prometheus::MetricGroup do
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describe '.common_metrics' do
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let!(:project_metric) { create(:prometheus_metric) }
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let!(:common_metric_group_a) { create(:prometheus_metric, :common, group: :aws_elb) }
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let!(:common_metric_group_b_q1) { create(:prometheus_metric, :common, group: :kubernetes) }
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let!(:common_metric_group_b_q2) { create(:prometheus_metric, :common, group: :kubernetes) }
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subject { described_class.common_metrics }
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it 'returns exactly two groups' do
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expect(subject.map(&:name)).to contain_exactly(
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'Response metrics (AWS ELB)', 'System metrics (Kubernetes)')
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end
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it 'returns exactly three metric queries' do
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expect(subject.flat_map(&:metrics).map(&:id)).to contain_exactly(
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common_metric_group_a.id, common_metric_group_b_q1.id,
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common_metric_group_b_q2.id)
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end
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it 'orders by priority' do
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priorities = subject.map(&:priority)
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names = subject.map(&:name)
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expect(priorities).to eq([10, 5])
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expect(names).to eq(['Response metrics (AWS ELB)', 'System metrics (Kubernetes)'])
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end
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end
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describe '.for_project' do
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let!(:other_project) { create(:project) }
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let!(:project_metric) { create(:prometheus_metric) }
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let!(:common_metric) { create(:prometheus_metric, :common, group: :aws_elb) }
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subject do
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described_class.for_project(other_project)
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.flat_map(&:metrics)
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.map(&:id)
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end
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it 'returns exactly one common metric' do
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is_expected.to contain_exactly(common_metric.id)
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end
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end
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end
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