From 666e41811bdd46e24ced8ddd3448243ecb2f45c3 Mon Sep 17 00:00:00 2001
From: Rasmus Dahlberg <rasmus.dahlberg@kau.se>
Date: Tue, 23 Feb 2021 11:07:00 +0100
Subject: added namespace fingerprint

---
 types/namespace_test.go | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

(limited to 'types/namespace_test.go')

diff --git a/types/namespace_test.go b/types/namespace_test.go
index da18b13..e7e89ad 100644
--- a/types/namespace_test.go
+++ b/types/namespace_test.go
@@ -97,6 +97,44 @@ func TestNamespaceString(t *testing.T) {
 	}
 }
 
+func TestFingerprint(t *testing.T) {
+	for _, table := range []struct {
+		description string
+		namespace   *Namespace
+		wantErr     bool
+		wantFpr     [NamespaceFingerprintSize]byte
+	}{
+		{
+			description: "invalid: no fingerprint for type",
+			namespace: &Namespace{
+				Format: NamespaceFormatReserved,
+			},
+			wantErr: true,
+		},
+		{
+			description: "valid: ed25519_v1",
+			namespace:   mustInitNamespaceEd25519V1(t, 0xaf),
+			wantFpr: func() (ret [NamespaceFingerprintSize]byte) {
+				for i, _ := range ret {
+					ret[i] = 0xaf
+				}
+				return
+			}(),
+		},
+	} {
+		fpr, err := table.namespace.Fingerprint()
+		if got, want := err != nil, table.wantErr; got != want {
+			t.Errorf("got error %v but wanted %v in test %q: %v", got, want, table.description, err)
+		}
+		if err != nil {
+			continue
+		}
+		if got, want := *fpr, table.wantFpr; !bytes.Equal(got[:], want[:]) {
+			t.Errorf("got fpr %v but wanted %v in test %q", got, want, table.description)
+		}
+	}
+}
+
 func TestVerify(t *testing.T) {
 	var tests []testCaseNamespace
 	tests = append(tests, test_cases_verify(t)...)
-- 
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