feat(Go-StudyExample):2021/02/09:新增merge源码阅读和单测代码

2021-02-09 16:00:31 +08:00
parent 05f55b0eac
commit cf02f0bf10
51 changed files with 3712 additions and 1 deletions
@@ -0,0 +1,40 @@
+package mergo_test
+
+import (
+	"encoding/json"
+	"testing"
+
+	"github.com/imdario/mergo"
+)
+
+type settings struct {
+	FirstSlice  []string `json:"FirstSlice"`
+	SecondSlice []string `json:"SecondSlice"`
+}
+
+func TestIssue125MergeWithOverwrite(t *testing.T) {
+	var (
+		defaultSettings = settings{
+			FirstSlice:  []string{},
+			SecondSlice: []string{},
+		}
+		something settings
+		data      = `{"FirstSlice":[], "SecondSlice": null}`
+	)
+
+	if err := json.Unmarshal([]byte(data), &something); err != nil {
+		t.Errorf("Error while Unmarshalling maprequest: %s", err)
+	}
+
+	if err := mergo.Merge(&something, defaultSettings, mergo.WithOverrideEmptySlice); err != nil {
+		t.Errorf("Error while merging: %s", err)
+	}
+
+	if something.FirstSlice == nil {
+		t.Error("Invalid merging first slice")
+	}
+
+	if something.SecondSlice == nil {
+		t.Error("Invalid merging second slice")
+	}
+}