72 lines
1.8 KiB
Go
72 lines
1.8 KiB
Go
package continuity
|
|
|
|
import (
|
|
"fmt"
|
|
"reflect"
|
|
"testing"
|
|
|
|
"github.com/opencontainers/go-digest"
|
|
)
|
|
|
|
// TestUniqifyDigests ensures that we deterministically sort digest entries
|
|
// for a resource.
|
|
func TestUniqifyDigests(t *testing.T) {
|
|
for _, testcase := range []struct {
|
|
description string
|
|
input [][]digest.Digest // input is a series of digest collections from separate resources.
|
|
expected []digest.Digest
|
|
err error
|
|
}{
|
|
{
|
|
description: "simple merge",
|
|
input: [][]digest.Digest{
|
|
{"sha1:abc", "sha256:def"},
|
|
{"sha1:abc", "sha256:def"},
|
|
},
|
|
expected: []digest.Digest{"sha1:abc", "sha256:def"},
|
|
},
|
|
{
|
|
description: "simple reversed order",
|
|
input: [][]digest.Digest{
|
|
{"sha1:abc", "sha256:def"},
|
|
{"sha256:def", "sha1:abc"},
|
|
},
|
|
expected: []digest.Digest{"sha1:abc", "sha256:def"},
|
|
},
|
|
{
|
|
description: "conflicting values for sha1",
|
|
input: [][]digest.Digest{
|
|
{"sha1:abc", "sha256:def"},
|
|
{"sha256:def", "sha1:def"},
|
|
},
|
|
err: fmt.Errorf("conflicting digests for sha1 found"),
|
|
},
|
|
} {
|
|
fatalf := func(format string, args ...interface{}) {
|
|
t.Fatalf(testcase.description+": "+format, args...)
|
|
}
|
|
|
|
var assembled []digest.Digest
|
|
|
|
for _, ds := range testcase.input {
|
|
assembled = append(assembled, ds...)
|
|
}
|
|
|
|
merged, err := uniqifyDigests(assembled...)
|
|
if err != testcase.err {
|
|
if testcase.err == nil {
|
|
fatalf("unexpected error uniqifying digests: %v", err)
|
|
}
|
|
|
|
if err != testcase.err && err.Error() != testcase.err.Error() {
|
|
// compare by string till we create nice error type
|
|
fatalf("unexpected error uniqifying digests: %v != %v", err, testcase.err)
|
|
}
|
|
}
|
|
|
|
if !reflect.DeepEqual(merged, testcase.expected) {
|
|
fatalf("unexpected uniquification: %v != %v", merged, testcase.expected)
|
|
}
|
|
|
|
}
|
|
}
|