45 lines
1.7 KiB
V
45 lines
1.7 KiB
V
module main
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import os
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import term
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// //////////////////////////////////////////////////////////////////
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// / This file will get compiled as part of the main program,
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// / for a _test.v file.
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// / The methods defined here are called back by the test program's
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// / assert statements, on each success/fail. The goal is to make
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// / customizing the look & feel of the assertions results easier,
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// / since it is done in normal V code, instead of in embedded C ...
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// //////////////////////////////////////////////////////////////////
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// TODO copy pasta builtin.v fn ___print_assert_failure
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fn cb_assertion_failed(i &VAssertMetaInfo) {
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use_color := term.can_show_color_on_stderr()
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use_relative_paths := match os.getenv('VERROR_PATHS') {
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'absolute' { false }
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else { true }
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}
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final_filename := if use_relative_paths { i.fpath } else { os.real_path(i.fpath) }
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final_funcname := i.fn_name.replace('main.', '').replace('__', '.')
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final_src := if use_color { term.bold(i.src) } else { i.src }
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eprintln('')
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eprintln('$final_filename:${i.line_nr+1}: failed assert in function $final_funcname')
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eprintln('Source : `$final_src`')
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if i.op.len > 0 && i.op != 'call' {
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mut slvalue := '$i.lvalue'
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mut srvalue := '$i.rvalue'
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lpostfix := if slvalue == i.llabel { '.' } else { '<= `$i.llabel`' }
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rpostfix := if srvalue == i.rlabel { '.' } else { '<= `$i.rlabel`' }
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if use_color {
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slvalue = term.bold(term.yellow(slvalue))
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srvalue = term.bold(term.yellow(srvalue))
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}
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eprintln(' left value: $slvalue $lpostfix')
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eprintln(' right value: $srvalue $rpostfix')
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}
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}
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fn cb_assertion_ok(i &VAssertMetaInfo) {
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// do nothing for now on an OK assertion
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// println('OK ${(i.line_nr+1):5d}|${i.src}')
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}
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