Merge remote-tracking branch 'origin/master'

CHANGELOG.md

@@ -1,3 +1,11 @@
+## 1.2.18
+
+* [Full Changelog](https://github.com/PostHog/posthog-go/compare/v1.2.17...v1.2.18)
+
+## 1.2.17
+
+* [Full Changelog](https://github.com/PostHog/posthog-go/compare/v1.2.16...v1.2.17)
+
 ## 1.2.16
 
 * [Full Changelog](https://github.com/PostHog/posthog-go/compare/v1.2.15...v1.2.16)

posthog.go

@@ -230,6 +230,9 @@ func (c *client) Enqueue(msg Message) (err error) {
 			}
 			m.Properties["$active_feature_flags"] = featureKeys
 		}
+		if m.Properties == nil {
+			m.Properties = NewProperties()
+		}
 		m.Properties.Merge(c.DefaultEventProperties)
 		c.setLastCapturedEvent(m)
 		msg = m

posthog_test.go

@@ -229,7 +229,33 @@ func ExampleCapture() {
 	//     }
 	//   ]
 	// }
+}
+
+func TestCaptureNoProperties(t *testing.T) {
+	defer func() {
+		// Ensure that the test doesn't panic.
+		if recover() != nil {
+			t.Error("shouldnt have panicked when merging properties into nil properties")
+		}
+	}()
+
+	_, server := mockServer()
+	defer server.Close()
 
+	client, _ := NewWithConfig("Csyjlnlun3OzyNJAafdlv", Config{
+		Endpoint:               server.URL,
+		BatchSize:              1,
+		now:                    mockTime,
+		uid:                    mockId,
+		DefaultEventProperties: NewProperties().Set("service", "api"),
+	})
+	defer client.Close()
+
+	client.Enqueue(Capture{
+		Event:            "Download",
+		DistinctId:       "123456",
+		SendFeatureFlags: false,
+	})
 }
 
 func TestEnqueue(t *testing.T) {

properties.go

@@ -26,6 +26,10 @@ func (p Properties) Set(name string, value interface{}) Properties {
 // Merge adds the properties from the provided `props` into the receiver `p`.
 // If a property in `props` already exists in `p`, its value will be overwritten.
 func (p Properties) Merge(props Properties) Properties {
+	if props == nil {
+		return p
+	}
+
 	for k, v := range props {
 		p[k] = v
 	}

properties_test.go

@@ -44,7 +44,18 @@ func TestPropertiesMerge(t *testing.T) {
 
 	expected := Properties{"title": "A", "value": 0.5, "currency": "USD", "service": "api"}
 
-	if !reflect.DeepEqual(props, Properties{"title": "A", "value": 0.5, "currency": "USD", "service": "api"}) {
+	if !reflect.DeepEqual(props, expected) {
+		t.Errorf("invalid properties produced by merge:\n- expected %#v\n- found: %#v", expected, props)
+	}
+}
+
+func TestPropertiesMergeNil(t *testing.T) {
+	props := NewProperties().Set("title", "A")
+	props.Merge(nil)
+
+	expected := Properties{"title": "A"}
+
+	if !reflect.DeepEqual(props, expected) {
 		t.Errorf("invalid properties produced by merge:\n- expected %#v\n- found: %#v", expected, props)
 	}
 }

version.go

@@ -3,7 +3,7 @@ package posthog
 import "flag"
 
 // Version of the client.
-const Version = "1.2.16"
+const Version = "1.2.18"
 
 // make tests easier by using a constant version
 func getVersion() string {