// vtest build: tinyc
module main

import v.util.diff
import term
import os

const vexe = @VEXE
const vroot = os.dir(vexe)

fn test_cli_programs() {
    testdata := os.join_path(vroot, 'vlib/cli/testdata')
    mut has_err := false
    for test in os.walk_ext(testdata, '.vv') {
        print(test + ' ')
        out_path := test.all_before_last('.vv') + '.out'
        if !os.exists(out_path) {
            println(term.red('FAIL'))
            eprintln('failed to find output file for `${test}`')
            has_err = true
            continue
        }
        expected_out := os.read_file(out_path)!.replace('\r\n', '\n')
        test_out := os.execute('${vexe} run ${test}').output.replace('\r\n', '\n')
        diff_ := diff.compare_text(expected_out, test_out)!
        if diff_ != '' {
            println(term.red('FAIL'))
            eprintln(diff_)
            has_err = true
        } else {
            println(term.green('OK'))
        }
    }
    assert !has_err
}