1 files changed, 50 insertions, 0 deletions
diff --git a/pkg/autoupdate/autoupdate_test.go b/pkg/autoupdate/autoupdate_test.go
new file mode 100644
index 000000000..7a5da5bb0
--- /dev/null
+++ b/pkg/autoupdate/autoupdate_test.go
@@ -0,0 +1,50 @@
+package autoupdate
+
+import (
+	"testing"
+)
+
+func TestValidateImageReference(t *testing.T) {
+	tests := []struct {
+		input string
+		valid bool
+	}{
+		{ // Fully-qualified reference
+			input: "quay.io/foo/bar:tag",
+			valid: true,
+		},
+		{ // Fully-qualified reference in transport notation
+			input: "docker://quay.io/foo/bar:tag",
+			valid: true,
+		},
+		{ // Fully-qualified reference but with digest
+			input: "quay.io/foo/bar@sha256:c9b1b535fdd91a9855fb7f82348177e5f019329a58c53c47272962dd60f71fc9",
+			valid: false,
+		},
+		{ // Reference with missing tag
+			input: "quay.io/foo/bar",
+			valid: false,
+		},
+		{ // Short name
+			input: "alpine",
+			valid: false,
+		},
+		{ // Short name with repo
+			input: "library/alpine",
+			valid: false,
+		},
+		{ // Wrong transport
+			input: "docker-archive:/some/path.tar",
+			valid: false,
+		},
+	}
+
+	for _, test := range tests {
+		err := ValidateImageReference(test.input)
+		if test.valid && err != nil {
+			t.Fatalf("parsing %q should have succeeded: %v", test.input, err)
+		} else if !test.valid && err == nil {
+			t.Fatalf("parsing %q should have failed", test.input)
+		}
+	}
+}