test: add unit tests for event content

unmarshaller

server/src/api/event_content_unmarshaller_test.go

@@ -0,0 +1,60 @@
+package api
+
+import (
+	"github.com/google/uuid"
+	"github.com/stretchr/testify/assert"
+	"reflect"
+	"testing"
+)
+
+type TestStruct struct {
+	ID string `json:"id"`
+}
+
+func TestCorrectString(t *testing.T) {
+	given := "TEST_STRING"
+	actual, err := unmarshal[string](given)
+
+	assert.NoError(t, err)
+	assert.Equal(t, given, *actual)
+}
+
+func TestCorrectStringSlice(t *testing.T) {
+	s := "TEST_STRING"
+	given := []*string{&s}
+	actual, err := unmarshalSlice[string](given)
+
+	assert.NoError(t, err)
+	assert.Equal(t, given, actual)
+}
+
+func TestCorrectEmptySlice(t *testing.T) {
+	var given []*string
+	actual, err := unmarshalSlice[string](given)
+
+	assert.NoError(t, err)
+	assert.Equal(t, given, actual)
+}
+
+func TestCorrectUUID(t *testing.T) {
+	given, _ := uuid.NewRandom()
+	actual, err := unmarshal[uuid.UUID](given)
+
+	assert.NoError(t, err)
+	assert.Equal(t, given, *actual)
+}
+
+func TestCorrectInterfaceTypeStruct(t *testing.T) {
+	given := "TEST_ID"
+	actual, err := unmarshal[TestStruct](reflect.ValueOf(TestStruct{ID: given}).Interface())
+
+	assert.NoError(t, err)
+	assert.Equal(t, given, actual.ID)
+}
+
+func TestNil(t *testing.T) {
+	actual, err := unmarshal[TestStruct](nil)
+
+	assert.NoError(t, err)
+	assert.Nil(t, actual)
+}