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 ... // ////////////////////////////////////////////////////////////////// // TODO copy pasta builtin.v fn ___print_assert_failure fn cb_assertion_failed(i &VAssertMetaInfo) { use_color := term.can_show_color_on_stderr() use_relative_paths := match os.getenv('VERROR_PATHS') { 'absolute' { false } else { true } } final_filename := if use_relative_paths { i.fpath } else { os.real_path(i.fpath) } final_funcname := i.fn_name.replace('main.', '').replace('__', '.') final_src := if use_color { term.bold(i.src) } else { i.src } eprintln('') eprintln('$final_filename:${i.line_nr+1}: failed assert in function $final_funcname') eprintln('Source : `$final_src`') if i.op.len > 0 && i.op != 'call' { mut slvalue := '$i.lvalue' mut srvalue := '$i.rvalue' // lpostfix := if slvalue == i.llabel { '.' } else { '<= `$i.llabel`' } // rpostfix := if srvalue == i.rlabel { '.' } else { '<= `$i.rlabel`' } if use_color { slvalue = term.bold(term.yellow(slvalue)) srvalue = term.bold(term.yellow(srvalue)) } eprintln(' left value: $slvalue') eprintln(' right value: $srvalue') } } fn cb_assertion_ok(i &VAssertMetaInfo) { // do nothing for now on an OK assertion // println('OK ${(i.line_nr+1):5d}|${i.src}') }