76 lines
2 KiB
Ruby
76 lines
2 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe Gitlab::Sherlock::LineProfiler do
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let(:profiler) { described_class.new }
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describe '#profile' do
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it 'runs the profiler when using MRI' do
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allow(profiler).to receive(:mri?).and_return(true)
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allow(profiler).to receive(:profile_mri)
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profiler.profile { 'cats' }
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end
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it 'raises NotImplementedError when profiling an unsupported platform' do
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allow(profiler).to receive(:mri?).and_return(false)
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expect { profiler.profile { 'cats' } }.to raise_error(NotImplementedError)
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end
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end
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describe '#profile_mri' do
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it 'returns an Array containing the return value and profiling samples' do
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allow(profiler).to receive(:lineprof)
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.and_yield
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.and_return({ __FILE__ => [[0, 0, 0, 0]] })
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retval, samples = profiler.profile_mri { 42 }
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expect(retval).to eq(42)
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expect(samples).to eq([])
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end
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end
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describe '#aggregate_rblineprof' do
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let(:raw_samples) do
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{ __FILE__ => [[30000, 30000, 5, 0], [15000, 15000, 4, 0]] }
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end
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it 'returns an Array of FileSample objects' do
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samples = profiler.aggregate_rblineprof(raw_samples)
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expect(samples).to be_an_instance_of(Array)
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expect(samples[0]).to be_an_instance_of(Gitlab::Sherlock::FileSample)
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end
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describe 'the first FileSample object' do
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let(:file_sample) do
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profiler.aggregate_rblineprof(raw_samples)[0]
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end
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it 'uses the correct file path' do
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expect(file_sample.file).to eq(__FILE__)
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end
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it 'contains a list of line samples' do
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line_sample = file_sample.line_samples[0]
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expect(line_sample).to be_an_instance_of(Gitlab::Sherlock::LineSample)
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expect(line_sample.duration).to eq(15.0)
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expect(line_sample.events).to eq(4)
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end
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it 'contains the total file execution time' do
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expect(file_sample.duration).to eq(30.0)
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end
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it 'contains the total amount of file events' do
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expect(file_sample.events).to eq(5)
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end
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end
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end
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end
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