v/cmd/v/help/help_test.v

import os

fn test_help() {
	vexe := os.getenv('VEXE')
	res := os.execute('"$vexe" help')
	assert res.exit_code == 0
	assert res.output.starts_with('V is a tool for managing V source code.')
}

fn test_help_as_short_option() {
	vexe := os.getenv('VEXE')
	res := os.execute('"$vexe" -h')
	assert res.exit_code == 0
	assert res.output.starts_with('V is a tool for managing V source code.')
}

fn test_help_as_long_option() {
	vexe := os.getenv('VEXE')
	res := os.execute('"$vexe" --help')
	assert res.exit_code == 0
	assert res.output.starts_with('V is a tool for managing V source code.')
}