feat: complete SOP version management

internal/knowledge/handler_test.go

@@ -0,0 +1,23 @@
+package knowledge
+
+import "testing"
+
+func TestValidateContent(t *testing.T) {
+	tests := []struct {
+		name    string
+		content map[string]interface{}
+		wantErr bool
+	}{
+		{name: "valid", content: map[string]interface{}{"standard_copy": "标准表达", "risk_note": "风险提示"}},
+		{name: "missing standard copy", content: map[string]interface{}{"risk_note": "风险提示"}, wantErr: true},
+		{name: "blank standard copy", content: map[string]interface{}{"standard_copy": "  "}, wantErr: true},
+		{name: "invalid risk note", content: map[string]interface{}{"standard_copy": "标准表达", "risk_note": 1}, wantErr: true},
+	}
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			if err := validateContent(test.content); (err != nil) != test.wantErr {
+				t.Fatalf("validateContent() error = %v, wantErr %v", err, test.wantErr)
+			}
+		})
+	}
+}