52 lines
1.1 KiB
Go
52 lines
1.1 KiB
Go
// Copyright 2017 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package cache
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import (
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"fmt"
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"os"
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"testing"
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)
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func TestHash(t *testing.T) {
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oldSalt := hashSalt
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hashSalt = nil
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defer func() {
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hashSalt = oldSalt
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}()
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h, _ := NewHash("alice")
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h.Write([]byte("hello world"))
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sum := fmt.Sprintf("%x", h.Sum())
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want := "b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9"
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if sum != want {
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t.Errorf("hash(hello world) = %v, want %v", sum, want)
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}
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}
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func TestHashFile(t *testing.T) {
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f, err := os.CreateTemp("", "cmd-go-test-")
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if err != nil {
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t.Fatal(err)
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}
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name := f.Name()
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fmt.Fprintf(f, "hello world")
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defer os.Remove(name)
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if err := f.Close(); err != nil {
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t.Fatal(err)
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}
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var h ActionID // make sure hash result is assignable to ActionID
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h, err = FileHash(name)
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if err != nil {
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t.Fatal(err)
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}
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sum := fmt.Sprintf("%x", h)
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want := "b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380ee9088f7ace2efcde9"
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if sum != want {
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t.Errorf("hash(hello world) = %v, want %v", sum, want)
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}
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}
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