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// Copyright (c) 2019-2021 Alexander Medvednikov. All rights reserved.
// Use of this source code is governed by an MIT license
// that can be found in the LICENSE file.
import os
import term
import benchmark
import v.ast
import v.fmt
import v.parser
import v.pref
import v.util.diff
const (
error_missing_vexe = 1
error_failed_tests = 2
fpref = &pref.Preferences{
is_fmt: true
}
)
fn test_vlib_fmt() {
$if !vfmt_everything ? {
return
}
fmt_message := "checking that all V source files are vfmt'ed"
eprintln(term.header(fmt_message, '-'))
vexe := os.getenv('VEXE')
if vexe.len == 0 || !os.exists(vexe) {
eprintln('VEXE must be set')
exit(error_missing_vexe)
}
vroot := os.dir(vexe)
tmpfolder := os.temp_dir()
diff_cmd := diff.find_working_diff_command() or { '' }
mut fmt_bench := benchmark.new_benchmark()
os.chdir(vroot) or {}
input_files := os.walk_ext('vlib/v/', '.v').filter(!it.contains('/tests/'))
fmt_bench.set_total_expected_steps(input_files.len)
for istep, ipath in input_files {
fmt_bench.cstep = istep
fmt_bench.step()
ifilename := os.file_name(ipath)
opath := ipath
expected_ocontent := os.read_file(opath) or {
fmt_bench.fail()
eprintln(fmt_bench.step_message_fail('cannot read from $opath'))
continue
}
table := ast.new_table()
file_ast := parser.parse_file(ipath, table, .parse_comments, fpref)
result_ocontent := fmt.fmt(file_ast, table, fpref, false)
if expected_ocontent != result_ocontent {
fmt_bench.fail()
eprintln(fmt_bench.step_message_fail('file $ipath after formatting, does not look as expected.'))
if diff_cmd == '' {
eprintln('>> sorry, but no working "diff" CLI command can be found')
continue
}
vfmt_result_file := os.join_path(tmpfolder, 'vfmt_run_over_$ifilename')
os.write_file(vfmt_result_file, result_ocontent) or { panic(err) }
eprintln(diff.color_compare_files(diff_cmd, opath, vfmt_result_file))
continue
}
fmt_bench.ok()
eprintln(fmt_bench.step_message_ok('$ipath'))
}
fmt_bench.stop()
eprintln(term.h_divider('-'))
eprintln(fmt_bench.total_message(fmt_message))
if fmt_bench.nfail > 0 {
exit(error_failed_tests)
}
}
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