42 lines
1.0 KiB
Go
42 lines
1.0 KiB
Go
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package fingerprint
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import (
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"crypto"
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"errors"
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"testing"
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)
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func TestHashFromString(t *testing.T) {
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t.Run("InvalidHashAlgorithm", func(t *testing.T) {
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_, err := HashFromString("invalid-hash-algorithm")
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if !errors.Is(err, errInvalidHashAlgorithm) {
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t.Errorf("Expected error '%v' for invalid hash name, got '%v'", errInvalidHashAlgorithm, err)
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}
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})
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t.Run("ValidHashAlgorithm", func(t *testing.T) {
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h, err := HashFromString("sha-512")
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if err != nil {
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t.Fatalf("Unexpected error for valid hash name, got '%v'", err)
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}
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if h != crypto.SHA512 {
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t.Errorf("Expected hash ID of %d, got %d", int(crypto.SHA512), int(h))
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}
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})
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}
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func TestStringFromHash_Roundtrip(t *testing.T) {
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for _, h := range nameToHash() {
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s, err := StringFromHash(h)
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if err != nil {
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t.Fatalf("Unexpected error for valid hash algorithm, got '%v'", err)
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}
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h2, err := HashFromString(s)
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if err != nil {
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t.Fatalf("Unexpected error for valid hash name, got '%v'", err)
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}
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if h != h2 {
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t.Errorf("Hash value doesn't match, expected: 0x%x, got 0x%x", h, h2)
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}
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}
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}
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