Add JsonPrintError

json_test.go

@@ -0,0 +1,41 @@
+package commons
+
+import (
+	"log"
+	"fmt"
+	"bytes"
+	"encoding/json"
+	"testing"
+)
+
+func TestJsonPrintError(t *testing.T) {
+
+	jsonstr := `
+	{
+		"name": "George",
+		"age": 87,
+		active": "false",
+		"properties": {
+			"one": "two",
+			"three": "four"
+		}
+	}
+	`
+
+	var buf bytes.Buffer
+	log.SetOutput(&buf)
+
+	content := []byte(jsonstr)
+	var data map[string]any
+	
+	err := json.Unmarshal(content, &data)
+
+	JsonPrintError(err, content)
+
+	errOut := fmt.Sprintf("%s", buf.String())
+
+	if errOut == "" {
+		t.Fatal("should have printed the error")
+	}
+} 
+