main: check that code is formatted in unit test

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Jason A. Donenfeld 2021-05-07 12:56:10 +02:00
parent 39e0b6dade
commit 4e9e5dad09
2 changed files with 48 additions and 1 deletions

View File

@ -10,7 +10,7 @@ MAKEFLAGS += --no-print-directory
generate-version-and-build:
@export GIT_CEILING_DIRECTORIES="$(realpath $(CURDIR)/..)" && \
tag="$$(git describe --dirty 2>/dev/null)" && \
ver="$$(printf 'package main\nconst Version = "%s"\n' "$$tag")" && \
ver="$$(printf 'package main\n\nconst Version = "%s"\n' "$$tag")" && \
[ "$$(cat version.go 2>/dev/null)" != "$$ver" ] && \
echo "$$ver" > version.go && \
git update-index --assume-unchanged version.go || true

47
format_test.go Normal file
View File

@ -0,0 +1,47 @@
/* SPDX-License-Identifier: MIT
*
* Copyright (C) 2021 WireGuard LLC. All Rights Reserved.
*/
package main
import (
"bytes"
"go/format"
"io/fs"
"os"
"path/filepath"
"sync"
"testing"
)
func TestFormatting(t *testing.T) {
var wg sync.WaitGroup
filepath.WalkDir(".", func(path string, d fs.DirEntry, err error) error {
if err != nil {
t.Errorf("unable to walk %s: %v", path, err)
return nil
}
if d.IsDir() || filepath.Ext(path) != ".go" {
return nil
}
wg.Add(1)
go func(path string) {
defer wg.Done()
src, err := os.ReadFile(path)
if err != nil {
t.Errorf("unable to read %s: %v", path, err)
return
}
formatted, err := format.Source(src)
if err != nil {
t.Errorf("unable to format %s: %v", path, err)
return
}
if !bytes.Equal(src, formatted) {
t.Errorf("unformatted code: %s", path)
}
}(path)
return nil
})
wg.Wait()
}