mirror of
https://github.com/sharkdp/hyperfine.git
synced 2024-11-23 04:19:03 +03:00
401 lines
10 KiB
Rust
401 lines
10 KiB
Rust
mod common;
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use common::hyperfine;
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use predicates::prelude::*;
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pub fn hyperfine_debug() -> assert_cmd::Command {
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let mut cmd = hyperfine();
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cmd.arg("--debug-mode");
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cmd
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}
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#[test]
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fn runs_successfully() {
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hyperfine()
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.arg("--runs=2")
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.arg("echo dummy benchmark")
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.assert()
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.success();
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}
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#[test]
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fn one_run_is_supported() {
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hyperfine()
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.arg("--runs=1")
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.arg("echo dummy benchmark")
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.assert()
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.success();
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}
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#[test]
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fn can_run_commands_without_a_shell() {
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hyperfine()
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.arg("--runs=1")
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.arg("--show-output")
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.arg("--shell=none")
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.arg("echo 'hello world' argument2")
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.assert()
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.success()
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.stdout(predicate::str::contains("hello world argument2"));
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}
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#[test]
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fn fails_with_wrong_number_of_command_name_arguments() {
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hyperfine()
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.arg("--command-name=a")
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.arg("--command-name=b")
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.arg("echo a")
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.assert()
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.failure()
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.stderr(predicate::str::contains("Too many --command-name options"));
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}
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#[test]
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fn fails_with_wrong_number_of_prepare_options() {
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hyperfine()
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.arg("--runs=1")
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.arg("--prepare=echo a")
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.arg("--prepare=echo b")
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.arg("echo a")
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.arg("echo b")
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.assert()
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.success();
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hyperfine()
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.arg("--runs=1")
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.arg("--prepare=echo a")
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.arg("--prepare=echo b")
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.arg("echo a")
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.arg("echo b")
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.arg("echo c")
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.assert()
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.failure()
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.stderr(predicate::str::contains(
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"The '--prepare' option has to be provided",
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));
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}
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#[test]
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fn fails_with_duplicate_parameter_names() {
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hyperfine()
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.arg("--parameter-list")
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.arg("x")
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.arg("1,2,3")
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.arg("--parameter-list")
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.arg("x")
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.arg("a,b,c")
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.arg("echo test")
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.assert()
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.failure()
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.stderr(predicate::str::contains("Duplicate parameter names: x"));
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}
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#[test]
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fn fails_for_unknown_command() {
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hyperfine()
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.arg("--runs=1")
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.arg("some-nonexisting-program-b5d9574198b7e4b12a71fa4747c0a577")
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.assert()
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.failure()
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.stderr(predicate::str::contains(
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"Command terminated with non-zero exit code",
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));
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}
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#[test]
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fn fails_for_unknown_command_without_shell() {
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hyperfine()
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.arg("--shell=none")
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.arg("--runs=1")
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.arg("some-nonexisting-program-b5d9574198b7e4b12a71fa4747c0a577")
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.assert()
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.failure()
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.stderr(predicate::str::contains(
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"Failed to run command 'some-nonexisting-program-b5d9574198b7e4b12a71fa4747c0a577'",
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));
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}
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#[cfg(unix)]
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#[test]
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fn fails_for_failing_command_without_shell() {
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hyperfine()
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.arg("--shell=none")
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.arg("--runs=1")
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.arg("false")
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.assert()
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.failure()
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.stderr(predicate::str::contains(
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"Command terminated with non-zero exit code",
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));
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}
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#[test]
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fn fails_for_unknown_setup_command() {
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hyperfine()
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.arg("--runs=1")
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.arg("--setup=some-nonexisting-program-b5d9574198b7e4b12a71fa4747c0a577")
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.arg("echo test")
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.assert()
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.failure()
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.stderr(predicate::str::contains(
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"The setup command terminated with a non-zero exit code.",
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));
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}
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#[test]
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fn fails_for_unknown_cleanup_command() {
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hyperfine()
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.arg("--runs=1")
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.arg("--cleanup=some-nonexisting-program-b5d9574198b7e4b12a71fa4747c0a577")
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.arg("echo test")
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.assert()
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.failure()
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.stderr(predicate::str::contains(
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"The cleanup command terminated with a non-zero exit code.",
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));
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}
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#[test]
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fn fails_for_unknown_prepare_command() {
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hyperfine()
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.arg("--prepare=some-nonexisting-program-b5d9574198b7e4b12a71fa4747c0a577")
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.arg("echo test")
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.assert()
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.failure()
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.stderr(predicate::str::contains(
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"The preparation command terminated with a non-zero exit code.",
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));
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}
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#[cfg(unix)]
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#[test]
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fn can_run_failing_commands_with_ignore_failure_option() {
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hyperfine()
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.arg("false")
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.assert()
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.failure()
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.stderr(predicate::str::contains(
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"Command terminated with non-zero exit code",
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));
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hyperfine()
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.arg("--runs=1")
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.arg("--ignore-failure")
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.arg("false")
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.assert()
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.success();
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}
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#[test]
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fn shows_output_of_benchmarked_command() {
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hyperfine()
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.arg("--runs=2")
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.arg("--command-name=dummy")
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.arg("--show-output")
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.arg("echo 4fd47015")
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.assert()
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.success()
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.stdout(predicate::str::contains("4fd47015").count(2));
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}
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#[test]
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fn runs_commands_using_user_defined_shell() {
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hyperfine()
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.arg("--runs=1")
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.arg("--show-output")
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.arg("--shell")
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.arg("echo 'custom_shell' '--shell-arg'")
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.arg("echo benchmark")
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.assert()
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.success()
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.stdout(
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predicate::str::contains("custom_shell --shell-arg -c echo benchmark").or(
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predicate::str::contains("custom_shell --shell-arg /C echo benchmark"),
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),
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);
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}
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#[test]
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fn can_pass_input_to_command_from_a_file() {
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hyperfine()
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.arg("--runs=1")
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.arg("--input=example_input_file.txt")
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.arg("--show-output")
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.arg("cat")
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.assert()
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.success()
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.stdout(predicate::str::contains("This text is part of a file"));
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}
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#[test]
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fn fails_if_invalid_stdin_data_file_provided() {
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hyperfine()
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.arg("--runs=1")
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.arg("--input=example_non_existent_file.txt")
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.arg("--show-output")
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.arg("cat")
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.assert()
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.failure()
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.stderr(predicate::str::contains(
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"The file 'example_non_existent_file.txt' specified as '--input' does not exist",
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));
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}
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#[test]
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fn returns_mean_time_in_correct_unit() {
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hyperfine_debug()
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.arg("sleep 1.234")
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.assert()
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.success()
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.stdout(predicate::str::contains("Time (mean ± σ): 1.234 s ±"));
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hyperfine_debug()
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.arg("sleep 0.123")
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.assert()
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.success()
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.stdout(predicate::str::contains("Time (mean ± σ): 123.0 ms ±"));
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hyperfine_debug()
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.arg("--time-unit=millisecond")
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.arg("sleep 1.234")
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.assert()
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.success()
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.stdout(predicate::str::contains("Time (mean ± σ): 1234.0 ms ±"));
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}
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#[test]
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fn performs_ten_runs_for_slow_commands() {
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hyperfine_debug()
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.arg("sleep 0.5")
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.assert()
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.success()
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.stdout(predicate::str::contains("10 runs"));
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}
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#[test]
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fn performs_three_seconds_of_benchmarking_for_fast_commands() {
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hyperfine_debug()
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.arg("sleep 0.01")
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.assert()
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.success()
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.stdout(predicate::str::contains("300 runs"));
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}
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#[test]
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fn takes_shell_spawning_time_into_account_for_computing_number_of_runs() {
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hyperfine_debug()
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.arg("--shell=sleep 0.02")
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.arg("sleep 0.01")
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.assert()
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.success()
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.stdout(predicate::str::contains("100 runs"));
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}
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#[test]
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fn takes_preparation_command_into_account_for_computing_number_of_runs() {
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hyperfine_debug()
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.arg("--prepare=sleep 0.02")
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.arg("sleep 0.01")
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.assert()
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.success()
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.stdout(predicate::str::contains("100 runs"));
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// Shell overhead needs to be added to both the prepare command and the actual command,
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// leading to a total benchmark time of (prepare + shell + cmd + shell = 0.1 s)
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hyperfine_debug()
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.arg("--shell=sleep 0.01")
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.arg("--prepare=sleep 0.03")
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.arg("sleep 0.05")
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.assert()
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.success()
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.stdout(predicate::str::contains("30 runs"));
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}
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#[test]
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fn shows_benchmark_comparison_with_relative_times() {
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hyperfine_debug()
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.arg("sleep 1.0")
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.arg("sleep 2.0")
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.arg("sleep 3.0")
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.assert()
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.success()
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.stdout(
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predicate::str::contains("2.00 ± 0.00 times faster")
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.and(predicate::str::contains("3.00 ± 0.00 times faster")),
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);
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}
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#[test]
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fn performs_all_benchmarks_in_parameter_scan() {
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hyperfine_debug()
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.arg("--parameter-scan")
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.arg("time")
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.arg("30")
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.arg("45")
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.arg("--parameter-step-size")
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.arg("5")
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.arg("sleep {time}")
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.assert()
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.success()
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.stdout(
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predicate::str::contains("Benchmark 1: sleep 30")
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.and(predicate::str::contains("Benchmark 2: sleep 35"))
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.and(predicate::str::contains("Benchmark 3: sleep 40"))
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.and(predicate::str::contains("Benchmark 4: sleep 45"))
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.and(predicate::str::contains("Benchmark 5: sleep 50").not()),
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);
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}
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#[test]
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fn intermediate_results_are_not_exported_to_stdout() {
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hyperfine_debug()
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.arg("--style=none") // To only see the Markdown export on stdout
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.arg("--export-markdown")
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.arg("-")
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.arg("sleep 1")
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.arg("sleep 2")
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.assert()
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.success()
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.stdout(
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(predicate::str::contains("sleep 1").count(1))
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.and(predicate::str::contains("sleep 2").count(1)),
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);
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}
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#[test]
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#[cfg(unix)]
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fn exports_intermediate_results_to_file() {
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use tempfile::tempdir;
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let tempdir = tempdir().unwrap();
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let export_path = tempdir.path().join("results.md");
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hyperfine()
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.arg("--runs=1")
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.arg("--export-markdown")
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.arg(&export_path)
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.arg("true")
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.arg("false")
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.assert()
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.failure();
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let contents = std::fs::read_to_string(export_path).unwrap();
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assert!(contents.contains("true"));
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}
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#[test]
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fn unused_parameters_are_shown_in_benchmark_name() {
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hyperfine()
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.arg("--runs=2")
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.arg("--parameter-list")
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.arg("branch")
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.arg("master,feature")
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.arg("echo test")
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.assert()
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.success()
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.stdout(
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predicate::str::contains("echo test (branch = master)")
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.and(predicate::str::contains("echo test (branch = feature)")),
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);
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}
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