v/vlib/compiler/preludes/tests_assertions.v

36 lines
1.3 KiB
V

module main
import os
import term
////////////////////////////////////////////////////////////////////
/// This file will get compiled as part of the main program,
/// for a _test.v file.
/// The methods defined here are called back by the test program's
/// assert statements, on each success/fail. The goal is to make
/// customizing the look & feel of the assertions results easier,
/// since it is done in normal V code, instead of in embedded C ...
////////////////////////////////////////////////////////////////////
fn cb_assertion_failed(filename string, line int, sourceline string, funcname string){
color_on := term.can_show_color_on_stderr()
use_relative_paths := match os.getenv('VERROR_PATHS') {
'absolute' { false }
else { true }
}
final_filename := if use_relative_paths { filename } else { os.realpath( filename ) }
final_funcname := funcname.replace('main__','')
mut fail_message := 'FAILED assertion'
if color_on { fail_message = term.bold(term.red(fail_message)) }
eprintln('$final_filename:$line: $fail_message')
eprintln('Function: $final_funcname')
eprintln('Source : $sourceline')
}
fn cb_assertion_ok(filename string, line int, sourceline string, funcname string){
//do nothing for now on an OK assertion
//println('OK ${line:5d}|$sourceline ')
}