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# frozen_string_literal: true
number_regex = /\d+\.?\d{0,2}/
memory_human_regex = /#{number_regex}[KMGTPEZ]?B/
percent_regex = /#{number_regex}%/
describe "MemoryProf Minitest" do
specify "with default options", :aggregate_failures do
output = run_minitest("memory_prof", env: {"TEST_MEM_PROF" => "test"})
expect(output).to include("MemoryProf results")
expect(output).to match(/Final RSS: #{memory_human_regex}/)
expect(output).to include("Top 5 examples (by RSS):")
expect(output).to match(/allocates 10_000 objects \(\.\/memory_prof_fixture.rb:\d+\) – \+#{memory_human_regex} \(#{percent_regex}\)/)
expect(output).to match(/allocates 1000 objects \(\.\/memory_prof_fixture.rb:\d+\) – \+#{memory_human_regex} \(#{percent_regex}\)/)
expect(output).to match(/allocates 500 objects \(\.\/memory_prof_fixture.rb:\d+\) – \+#{memory_human_regex} \(#{percent_regex}\)/)
expect(output).to match(/allocates 100 objects \(\.\/memory_prof_fixture.rb:\d+\) – \+#{memory_human_regex} \(#{percent_regex}\)/)
expect(output).to match(/allocates nothing \(\.\/memory_prof_fixture.rb:\d+\) – \+#{memory_human_regex} \(#{percent_regex}\)/)
end
specify "in RSS mode", :aggregate_failures do
output = run_minitest("memory_prof", env: {"TEST_MEM_PROF" => "rss"})
expect(output).to include("MemoryProf results")
expect(output).to match(/Final RSS: #{memory_human_regex}/)
expect(output).to include("Top 5 examples (by RSS):")
expect(output).to match(/allocates 10_000 objects \(\.\/memory_prof_fixture.rb:\d+\) – \+#{memory_human_regex} \(#{percent_regex}\)/)
expect(output).to match(/allocates 1000 objects \(\.\/memory_prof_fixture.rb:\d+\) – \+#{memory_human_regex} \(#{percent_regex}\)/)
expect(output).to match(/allocates 500 objects \(\.\/memory_prof_fixture.rb:\d+\) – \+#{memory_human_regex} \(#{percent_regex}\)/)
expect(output).to match(/allocates 100 objects \(\.\/memory_prof_fixture.rb:\d+\) – \+#{memory_human_regex} \(#{percent_regex}\)/)
expect(output).to match(/allocates nothing \(\.\/memory_prof_fixture.rb:\d+\) – \+#{memory_human_regex} \(#{percent_regex}\)/)
end
if RUBY_ENGINE != "jruby"
specify "in allocations mode", :aggregate_failures do
output = run_minitest("memory_prof", env: {"TEST_MEM_PROF" => "alloc"})
expect(output).to include("MemoryProf results")
expect(output).to match(/Total allocations: #{number_regex}/)
expect(output).to include("Top 5 examples (by allocations):")
expect(output).to match(/allocates 10_000 objects \(\.\/memory_prof_fixture.rb:\d+\) – \+#{number_regex} \(#{percent_regex}\)/)
expect(output).to match(/allocates 1000 objects \(\.\/memory_prof_fixture.rb:\d+\) – \+#{number_regex} \(#{percent_regex}\)/)
expect(output).to match(/allocates 500 objects \(\.\/memory_prof_fixture.rb:\d+\) – \+#{number_regex} \(#{percent_regex}\)/)
expect(output).to match(/allocates 100 objects \(\.\/memory_prof_fixture.rb:\d+\) – \+#{number_regex} \(#{percent_regex}\)/)
expect(output).to match(/allocates nothing \(\.\/memory_prof_fixture.rb:\d+\) – \+#{number_regex} \(#{percent_regex}\)/)
end
end
specify "with top_count", :aggregate_failures do
output = run_minitest("memory_prof", env: {"TEST_MEM_PROF" => "rss", "TEST_MEM_PROF_COUNT" => "3"})
expect(output).to include("MemoryProf results")
expect(output).to match(/Final RSS: #{memory_human_regex}/)
expect(output).to include("Top 3 examples (by RSS):")
end
end
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