Add TicketStore.Delete function

Author: geoffgarside

memory_store.go

@@ -40,6 +40,13 @@ func (s *MemoryStore) Write(id string, ticket *AuthenticationResponse) error {
 	return nil
 }
 
+func (s *MemoryStore) Delete(id string) error {
+	s.mu.Lock()
+	delete(s.store, id)
+	s.mu.Unlock()
+	return nil
+}
+
 func (s *MemoryStore) Clear() error {
 	s.mu.Lock()
 	s.store = nil

memory_store_test.go

@@ -26,6 +26,14 @@ func TestMemoryStore(t *testing.T) {
 		t.Errorf("Expected retrieved AuthenticationResponse to be %v, got %v", user2, ar)
 	}
 
+	if err := store.Delete("user2"); err != nil {
+		t.Errorf("Error while deleting user2, got %v", err)
+	}
+
+	if _, err := store.Read("user2"); err != ErrInvalidTicket {
+		t.Errorf("Expected store.Read(user2) to fail")
+	}
+
 	if err := store.Clear(); err != nil {
 		t.Errorf("Expected store.Clear() to succeed, got error: %v", err)
 	}

ticket_store.go

@@ -11,5 +11,6 @@ var (
 type TicketStore interface {
 	Read(id string) (*AuthenticationResponse, error)
 	Write(id string, ticket *AuthenticationResponse) error
+	Delete(id string) error
 	Clear() error
 }