92 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			Ruby
		
	
	
	
			
		
		
	
	
			92 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			Ruby
		
	
	
	
| require 'spec_helper'
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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