diff --git a/pkg/gee/file_test.go b/pkg/gee/file_test.go
new file mode 100644
index 0000000..8137954
--- /dev/null
+++ b/pkg/gee/file_test.go
@@ -0,0 +1,36 @@
+package gee
+
+import (
+	"os"
+	"testing"
+
+	model "github.com/hahwul/gee/pkg/model"
+)
+
+func TestWriteFile(t *testing.T) {
+	type args struct {
+		line    string
+		options model.Options
+	}
+	tests := []struct {
+		name string
+		args args
+	}{
+		{
+			name: "test removeNewLine",
+			args: args{
+				line: "1111",
+				options: model.Options{
+					RemoveNewLine: true,
+				},
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			k, _ := os.OpenFile("gee_testcode_testfile.txt", os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
+			WriteFile(k, tt.args.line, tt.args.options)
+			os.Remove("gee_testcode_testfile.txt")
+		})
+	}
+}