v

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