44 lines
792 B
Go
44 lines
792 B
Go
package testingutil
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import (
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"os"
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"testing"
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)
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// MustReadFile reads all data from filename. Fail on error.
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func MustReadFile(tb testing.TB, filename string) []byte {
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tb.Helper()
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b, err := os.ReadFile(filename)
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if err != nil {
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tb.Fatal(err)
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}
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return b
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}
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// Getpwd returns the working directory. Fail on error.
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func Getwd(tb testing.TB) string {
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tb.Helper()
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dir, err := os.Getwd()
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if err != nil {
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tb.Fatal(err)
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}
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return dir
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}
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// Setenv sets the environment variable key to value. The returned function reverts it.
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func Setenv(tb testing.TB, key, value string) func() {
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tb.Helper()
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prevValue := os.Getenv(key)
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if err := os.Setenv(key, value); err != nil {
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tb.Fatal(err)
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}
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return func() {
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if err := os.Setenv(key, prevValue); err != nil {
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tb.Fatal(tb)
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}
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}
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}
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