distribution/digest/verifiers_test.go
Stephen J Day 9159833265
digest: remove error return from Digest.Verifier
Signed-off-by: Stephen J Day <stephen.day@docker.com>
2016-12-15 16:43:59 -08:00

67 lines
1.4 KiB
Go

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