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 +1,47 @@
+package mergo_test
+
+import (
+	"testing"
+
+	"github.com/imdario/mergo"
+)
+
+func TestIssue123(t *testing.T) {
+	src := map[string]interface{}{
+		"col1": nil,
+		"col2": 4,
+		"col3": nil,
+	}
+	dst := map[string]interface{}{
+		"col1": 2,
+		"col2": 3,
+		"col3": 3,
+	}
+
+	// Expected behavior
+	if err := mergo.Merge(&dst, src, mergo.WithOverride); err != nil {
+		t.Fatal(err)
+	}
+	testCases := []struct {
+		key      string
+		expected interface{}
+	}{
+		{
+			"col1",
+			nil,
+		},
+		{
+			"col2",
+			4,
+		},
+		{
+			"col3",
+			nil,
+		},
+	}
+	for _, tC := range testCases {
+		if dst[tC.key] != tC.expected {
+			t.Fatalf("expected %v in dst[%q], got %v", tC.expected, tC.key, dst[tC.key])
+		}
+	}
+}