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v/vlib/flag/default_flag_options_test.v
2021-08-28 09:39:18 +03:00

36 lines
1.1 KiB
V

import os
const source = 'vlib/flag/testdata/simplest_flag_program.v'
const simple_flag_app_executable = os.real_path(os.join_path(os.cache_dir(), 'simple_flag_app.exe'))
fn testsuite_begin() {
os.chdir(@VMODROOT) or {}
os.rm(simple_flag_app_executable) or {}
res := os.execute('${@VEXE} -o $simple_flag_app_executable $source')
assert res.exit_code == 0
assert os.execute(simple_flag_app_executable).exit_code == 0
}
fn testsuite_end() {
os.rm(simple_flag_app_executable) or {}
assert true
}
fn check_program(opts string, extension string) {
result := source.replace('.v', extension)
res := os.execute('$simple_flag_app_executable $opts')
lines := os.read_lines(result) or { panic(err) }
assert res.exit_code == 0
assert res.output.split_into_lines() == lines
}
fn test_default_builtin_flag_options() {
check_program('', '.out')
check_program(' -- --help', '.dashdash.help.out')
check_program(' -- --version', '.dashdash.version.out')
check_program(' -h', '.help.out')
check_program(' --help', '.help.out')
check_program(' --version', '.version.out')
}