syncthing/meta/gofmt_test.go

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// Copyright (C) 2015 The Syncthing Authors.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at https://mozilla.org/MPL/2.0/.
package meta
import (
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"fmt"
"os"
"os/exec"
"path/filepath"
"strings"
"testing"
)
var gofmtCheckDirs = []string{".", "../cmd", "../lib", "../test", "../script"}
// Checks that files are properly gofmt:ed.
func TestCheckGoFmt(t *testing.T) {
for _, dir := range gofmtCheckDirs {
err := filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
if err != nil {
return err
}
if path == ".git" {
return filepath.SkipDir
}
if filepath.Ext(path) != ".go" || strings.HasSuffix(path, ".pb.go") {
return nil
}
cmd := exec.Command("gofmt", "-s", "-d", path)
bs, err := cmd.CombinedOutput()
if err != nil {
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return fmt.Errorf("%w: %s", err, string(bs))
}
if len(bs) != 0 {
t.Errorf("File %s is not formatted correctly:\n\n%s", path, string(bs))
}
return nil
})
if err != nil {
t.Fatal(err)
}
}
}