@@ -319,3 +319,23 @@ func TestAddRequiredHeadersToRedirectedRequests(t *testing.T) {

 		}

 	}

 }

+

+func TestIsSecure(t *testing.T) {

+	tests := []struct {

+		addr               string

+		insecureRegistries []string

+		expected           bool

+	}{

+		{"example.com", []string{}, true},

+		{"example.com", []string{"example.com"}, false},

+		{"localhost", []string{"localhost:5000"}, true},

+		{"localhost:5000", []string{"localhost:5000"}, false},

+		{"localhost", []string{"example.com"}, true},

+		{"127.0.0.1:5000", []string{"127.0.0.1:5000"}, false},

+	}

+	for _, tt := range tests {

+		if sec := IsSecure(tt.addr, tt.insecureRegistries); sec != tt.expected {

+			t.Errorf("IsSecure failed for %q %v, expected %v got %v", tt.addr, tt.insecureRegistries, tt.expected, sec)

+		}

+	}

+}