92 lines
2.3 KiB
Ruby
92 lines
2.3 KiB
Ruby
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require 'spec_helper'
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describe Gitlab::Metrics::MethodCall do
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let(:method_call) { described_class.new('Foo#bar', 'foo') }
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describe '#measure' do
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it 'measures the performance of the supplied block' do
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method_call.measure { 'foo' }
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expect(method_call.real_time).to be_a_kind_of(Numeric)
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expect(method_call.cpu_time).to be_a_kind_of(Numeric)
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expect(method_call.call_count).to eq(1)
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end
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end
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describe '#to_metric' do
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it 'returns a Metric instance' do
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method_call.measure { 'foo' }
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metric = method_call.to_metric
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expect(metric).to be_an_instance_of(Gitlab::Metrics::Metric)
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expect(metric.series).to eq('foo')
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expect(metric.values[:duration]).to be_a_kind_of(Numeric)
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expect(metric.values[:cpu_duration]).to be_a_kind_of(Numeric)
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expect(metric.values[:call_count]).to an_instance_of(Fixnum)
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expect(metric.tags).to eq({ method: 'Foo#bar' })
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end
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end
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describe '#above_threshold?' do
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it 'returns false when the total call time is not above the threshold' do
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expect(method_call.above_threshold?).to eq(false)
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end
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it 'returns true when the total call time is above the threshold' do
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expect(method_call).to receive(:real_time).and_return(9000)
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expect(method_call.above_threshold?).to eq(true)
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end
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end
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describe '#call_count' do
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context 'without any method calls' do
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it 'returns 0' do
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expect(method_call.call_count).to eq(0)
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end
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end
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context 'with method calls' do
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it 'returns the number of method calls' do
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method_call.measure { 'foo' }
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expect(method_call.call_count).to eq(1)
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end
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end
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end
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describe '#cpu_time' do
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context 'without timings' do
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it 'returns 0.0' do
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expect(method_call.cpu_time).to eq(0.0)
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end
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end
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context 'with timings' do
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it 'returns the total CPU time' do
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method_call.measure { 'foo' }
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expect(method_call.cpu_time >= 0.0).to be(true)
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end
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end
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end
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describe '#real_time' do
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context 'without timings' do
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it 'returns 0.0' do
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expect(method_call.real_time).to eq(0.0)
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end
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end
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context 'with timings' do
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it 'returns the total real time' do
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method_call.measure { 'foo' }
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expect(method_call.real_time >= 0.0).to be(true)
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end
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end
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end
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end
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