67 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Go
		
	
	
			
		
		
	
	
			67 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Go
		
	
	
| package digest
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| 
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| import (
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| 	"bytes"
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| 	"crypto/rand"
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| 	"io"
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| 	"reflect"
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| 	"testing"
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| )
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| 
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| func TestDigestVerifier(t *testing.T) {
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| 	p := make([]byte, 1<<20)
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| 	rand.Read(p)
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| 	digest := FromBytes(p)
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| 
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| 	verifier := digest.Verifier()
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| 
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| 	io.Copy(verifier, bytes.NewReader(p))
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| 
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| 	if !verifier.Verified() {
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| 		t.Fatalf("bytes not verified")
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| 	}
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| }
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| 
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| // TestVerifierUnsupportedDigest ensures that unsupported digest validation is
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| // flowing through verifier creation.
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| func TestVerifierUnsupportedDigest(t *testing.T) {
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| 	for _, testcase := range []struct {
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| 		Name     string
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| 		Digest   Digest
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| 		Expected interface{} // expected panic target
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| 	}{
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| 		{
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| 			Name:     "Empty",
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| 			Digest:   "",
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| 			Expected: "no ':' separator in digest \"\"",
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| 		},
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| 		{
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| 			Name:     "EmptyAlg",
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| 			Digest:   ":",
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| 			Expected: "empty digest algorithm, validate before calling Algorithm.Hash()",
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| 		},
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| 		{
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| 			Name:     "Unsupported",
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| 			Digest:   Digest("bean:0123456789abcdef"),
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| 			Expected: "bean not available (make sure it is imported)",
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| 		},
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| 		{
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| 			Name:     "Garbage",
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| 			Digest:   Digest("sha256-garbage:pure"),
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| 			Expected: "sha256-garbage not available (make sure it is imported)",
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| 		},
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| 	} {
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| 		t.Run(testcase.Name, func(t *testing.T) {
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| 			expected := testcase.Expected
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| 			defer func() {
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| 				recovered := recover()
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| 				if !reflect.DeepEqual(recovered, expected) {
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| 					t.Fatalf("unexpected recover: %v != %v", recovered, expected)
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| 				}
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| 			}()
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| 
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| 			_ = testcase.Digest.Verifier()
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| 		})
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| 	}
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| }
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