registry/digest/tarsum_test.go
Stephen J Day 8be20212f1 Move tarsum utilities out of common package
In preparation for removing the common package, the tarsum utilities are being
moved to the more relevant digest package. This functionality will probably go
away in the future, but it's maintained here for the time being.

Signed-off-by: Stephen J Day <stephen.day@docker.com>
2015-01-05 16:04:30 -08:00

79 lines
1.9 KiB
Go

package digest
import (
"reflect"
"testing"
)
func TestParseTarSumComponents(t *testing.T) {
for _, testcase := range []struct {
input string
expected TarSumInfo
err error
}{
{
input: "tarsum.v1+sha256:220a60ecd4a3c32c282622a625a54db9ba0ff55b5ba9c29c7064a2bc358b6a3e",
expected: TarSumInfo{
Version: "v1",
Algorithm: "sha256",
Digest: "220a60ecd4a3c32c282622a625a54db9ba0ff55b5ba9c29c7064a2bc358b6a3e",
},
},
{
input: "",
err: InvalidTarSumError{},
},
{
input: "purejunk",
err: InvalidTarSumError{TarSum: "purejunk"},
},
{
input: "tarsum.v23+test:12341234123412341effefefe",
expected: TarSumInfo{
Version: "v23",
Algorithm: "test",
Digest: "12341234123412341effefefe",
},
},
// The following test cases are ported from docker core
{
// Version 0 tarsum
input: "tarsum+sha256:e58fcf7418d4390dec8e8fb69d88c06ec07039d651fedd3aa72af9972e7d046b",
expected: TarSumInfo{
Algorithm: "sha256",
Digest: "e58fcf7418d4390dec8e8fb69d88c06ec07039d651fedd3aa72af9972e7d046b",
},
},
{
// Dev version tarsum
input: "tarsum.dev+sha256:e58fcf7418d4390dec8e8fb69d88c06ec07039d651fedd3aa72af9972e7d046b",
expected: TarSumInfo{
Version: "dev",
Algorithm: "sha256",
Digest: "e58fcf7418d4390dec8e8fb69d88c06ec07039d651fedd3aa72af9972e7d046b",
},
},
} {
tsi, err := ParseTarSum(testcase.input)
if err != nil {
if testcase.err != nil && err == testcase.err {
continue // passes
}
t.Fatalf("unexpected error parsing tarsum: %v", err)
}
if testcase.err != nil {
t.Fatalf("expected error not encountered on %q: %v", testcase.input, testcase.err)
}
if !reflect.DeepEqual(tsi, testcase.expected) {
t.Fatalf("expected tarsum info: %v != %v", tsi, testcase.expected)
}
if testcase.input != tsi.String() {
t.Fatalf("input should equal output: %q != %q", tsi.String(), testcase.input)
}
}
}