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|
# frozen_string_literal: true
require 'spec_helper'
# rubocop:disable Lint/EmptyBlock
RSpec.describe Benchmark::Memory::Job do
describe '#report' do
it 'raises an ArgumentError when no block is specified' do
job = create_job
expect { job.report('riddle me this') }.to raise_error(ArgumentError)
end
it 'adds a task to the list of tasks in the job' do
job = create_job
expect { job.report('riddle me that') {} }.to(
change(job.tasks, :count).by(1)
)
end
end
describe '#run' do
it 'adds an entry to the report for each task' do
job = create_job
job.report('with you') {}
job.report('my brown eyed girl') {}
expect { job.run }.to change(job.full_report.entries, :count).by(2)
end
context 'holding' do
it 'only executes one task for each call to run' do
hold_buffer = StringIO.new
job, output = create_job_and_output
job.report('with you') {}
job.report('my brown eyed girl') {}
job.hold!(hold_buffer)
expect { job.run }.to change(job.full_report.entries, :count).by(1)
output_string = output.string
expect(output_string).to match(/with you/)
expect(output_string).not_to match(/brown eyed girl/)
expect(output_string).to match(/Pausing/)
# Reset for the second run
hold_buffer.rewind
job, output = create_job_and_output
job.report('with you') {}
job.report('my brown eyed girl') {}
job.hold!(hold_buffer)
expect { job.run }.to change(job.full_report.entries, :count).by(2)
output_string = output.string
expect(output_string).not_to match(/with you/)
expect(output_string).to match(/brown eyed girl/)
expect(output_string).not_to match(/Pausing/)
end
end
end
describe '#run_comparison' do
it 'does not run if there are no entries' do
job, output = create_job_and_output
job.run
job.run_comparison
expect(output.string).not_to match(/Comparison/)
end
it 'runs when there are entries and the job is configured to compare' do
job, output = create_job_and_output
job.report('with you') {}
job.report('my brown eyed girl') {}
job.compare!
job.run
job.run_comparison
expect(output.string).to match(/Comparison/)
end
end
describe '#quiet?' do
it 'prevents any output from being written' do
job, output = create_job_and_output(quiet: true)
job.report('with you') {}
job.report('my brown eyed girl') {}
job.compare!
job.run
job.run_comparison
expect(output.string).to be_empty
end
end
def create_job_and_output(quiet: false)
output = StringIO.new
job = Benchmark::Memory::Job.new(output: output, quiet: quiet)
[job, output]
end
def create_job
create_job_and_output.first
end
end
# rubocop:enable Lint/EmptyBlock
|
