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tooling: add tools/compare_v_performance_between_commits

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easily compare v performance/size across commits.

* fix eprintln on linux (it now uses stderr, and flushes it).

* flag: cleaner usage information.
This commit is contained in:
Delyan Angelov
2019-09-28 14:17:16 +03:00
committed by Alexander Medvednikov
parent 5c79c0e743
commit 366c50674c
6 changed files with 361 additions and 44 deletions
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16
vlib/flag/flag_test.v
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@ -145,6 +145,7 @@ fn test_finalize_returns_error_for_unknown_flags() {
fn test_allow_to_build_usage_message() {
mut fp := flag.new_flag_parser([]string)
fp.limit_free_args(1, 4)
fp.application('flag_tool')
fp.version('v0.0.0')
fp.description('some short information about this tool')
@ -158,13 +159,14 @@ fn test_allow_to_build_usage_message() {
usage := fp.usage()
mut all_strings_found := true
for s in ['flag_tool', 'v0.0.0',
'an_int <int>', 'a_bool', 'bool_without', 'a_float <float>', 'a_string <arg>',
'an_int <int>', 'a_bool', 'bool_without', 'a_float <float>', 'a_string <string>:not_stuff',
'some int to define',
'some bool to define',
'this should appear on the next line',
'some float as well',
'your credit card number',
'usage', 'options:', 'description:',
'The arguments should be at least 1 and at most 4 in number.',
'Usage', 'Options:', 'Description:',
'some short information about this tool'] {
if !usage.contains(s) {
eprintln(' missing \'$s\' in usage message')
@ -181,7 +183,7 @@ fn test_if_no_description_given_usage_message_does_not_contain_descpription() {
fp.bool('a_bool', false, '')
assert !fp.usage().contains('description:')
assert !fp.usage().contains('Description:')
}
fn test_if_no_options_given_usage_message_does_not_contain_options() {
@ -189,7 +191,7 @@ fn test_if_no_options_given_usage_message_does_not_contain_options() {
fp.application('flag_tool')
fp.version('v0.0.0')
assert !fp.usage().contains('options:')
assert !fp.usage().contains('Options:')
}
fn test_free_args_could_be_limited() {
@ -206,7 +208,7 @@ fn test_error_for_to_few_free_args() {
mut fp1 := flag.new_flag_parser(['a', 'b', 'c'])
fp1.limit_free_args(5, 6)
args := fp1.finalize() or {
assert err == 'Expect at least 5 arguments'
assert err.starts_with('Expected at least 5 arguments')
return
}
assert args.len < 0 // expect an error and need to use args
@ -216,7 +218,7 @@ fn test_error_for_to_much_free_args() {
mut fp1 := flag.new_flag_parser(['a', 'b', 'c'])
fp1.limit_free_args(1, 2)
args := fp1.finalize() or {
assert err == 'Expect at most 2 arguments'
assert err.starts_with('Expected at most 2 arguments')
return
}
assert args.len < 0 // expect an error and need to use args
@ -226,7 +228,7 @@ fn test_could_expect_no_free_args() {
mut fp1 := flag.new_flag_parser(['a'])
fp1.limit_free_args(0, 0)
args := fp1.finalize() or {
assert err == 'Expect no arguments'
assert err.starts_with('Expected no arguments')
return
}
assert args.len < 0 // expect an error and need to use args