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52 lines
1.0 KiB
52 lines
1.0 KiB
package common
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import (
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"bytes"
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"fmt"
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"io/ioutil"
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"os"
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"testing"
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"time"
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)
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func TestWriteFileAtomic(t *testing.T) {
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data := []byte("Becatron")
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fname := fmt.Sprintf("/tmp/write-file-atomic-test-%v.txt", time.Now().UnixNano())
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err := WriteFileAtomic(fname, data, 0664)
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if err != nil {
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t.Fatal(err)
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}
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rData, err := ioutil.ReadFile(fname)
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if err != nil {
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t.Fatal(err)
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}
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if !bytes.Equal(data, rData) {
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t.Fatalf("data mismatch: %v != %v", data, rData)
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}
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if err := os.Remove(fname); err != nil {
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t.Fatal(err)
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}
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}
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func TestGoPath(t *testing.T) {
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// restore original gopath upon exit
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path := os.Getenv("GOPATH")
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defer func() {
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_ = os.Setenv("GOPATH", path)
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}()
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err := os.Setenv("GOPATH", "~/testgopath")
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if err != nil {
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t.Fatal(err)
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}
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path = gopath()
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if path != "~/testgopath" {
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t.Fatalf("gopath should return GOPATH env var if set, got %v", path)
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}
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os.Unsetenv("GOPATH")
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path = gopath()
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if path == "~/testgopath" || path == "" {
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t.Fatalf("gopath should return go env GOPATH result if env var does not exist, got %v", path)
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}
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}
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