List observations.

models/observations.go

@@ -30,6 +30,9 @@ type ObservationsService interface {
 	// Get an observation
 	Get(id int64) (*Observation, error)
 
+	// List all observations
+	List(opt *ObservationListOptions) ([]*Observation, error)
+
 	// Create an observation
 	Create(observation *Observation) (bool, error)
 }
@@ -83,8 +86,33 @@ func (s *observationsService) Create(observation *Observation) (bool, error) {
 	return resp.StatusCode == http.StatusCreated, nil
 }
 
+type ObservationListOptions struct {
+	ListOptions
+}
+
+func (s *observationsService) List(opt *ObservationListOptions) ([]*Observation, error) {
+	url, err := s.client.url(router.Observations, nil, opt)
+	if err != nil {
+		return nil, err
+	}
+
+	req, err := s.client.NewRequest("GET", url.String(), nil)
+	if err != nil {
+		return nil, err
+	}
+
+	var observations []*Observation
+	_, err = s.client.Do(req, &observations)
+	if err != nil {
+		return nil, err
+	}
+
+	return observations, nil
+}
+
 type MockObservationsService struct {
 	Get_    func(id int64) (*Observation, error)
+	List_   func(opt *ObservationListOptions) ([]*Observation, error)
 	Create_ func(observation *Observation) (bool, error)
 }
 
@@ -103,3 +131,10 @@ func (s *MockObservationsService) Create(observation *Observation) (bool, error)
 	}
 	return s.Create_(observation)
 }
+
+func (s *MockObservationsService) List(opt *ObservationListOptions) ([]*Observation, error) {
+	if s.List_ == nil {
+		return nil, nil
+	}
+	return s.List_(opt)
+}

models/observations_test.go

@@ -79,3 +79,36 @@ func TestObservationService_Create(t *testing.T) {
 		t.Errorf("Observations.Create returned %+v, want %+v", observation, want)
 	}
 }
+
+func TestObservationService_List(t *testing.T) {
+	setup()
+	defer teardown()
+
+	want := []*Observation{newObservation()}
+
+	var called bool
+	mux.HandleFunc(urlPath(t, router.Observations, nil), func(w http.ResponseWriter, r *http.Request) {
+		called = true
+		testMethod(t, r, "GET")
+		testFormValues(t, r, values{})
+
+		writeJSON(w, want)
+	})
+
+	observations, err := client.Observations.List(nil)
+	if err != nil {
+		t.Errorf("Observations.List returned error: %v", err)
+	}
+
+	if !called {
+		t.Fatal("!called")
+	}
+
+	for _, u := range want {
+		normalizeTime(&u.CreatedAt, &u.UpdatedAt, &u.DeletedAt)
+	}
+
+	if !reflect.DeepEqual(observations, want) {
+		t.Errorf("Observations.List return %+v, want %+v", observations, want)
+	}
+}