test: add tests in setting file (#481)

* test: add tests in setting file

* Add Copyright

* fix: format importation convention

Co-authored-by: Rafael Firmino <rafaelfirmino@gmail.com>

util/setting_test.go

@@ -0,0 +1,40 @@
+// Copyright 2021 The casbin Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package util
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestGetUploadXlsxPath(t *testing.T) {
+	scenarios := []struct {
+		description string
+		input       string
+		expected    interface{}
+	}{
+		{"scenery one", "casdoor", "tmpFiles/casdoor.xlsx"},
+		{"scenery two", "casbin", "tmpFiles/casbin.xlsx"},
+		{"scenery three", "loremIpsum", "tmpFiles/loremIpsum.xlsx"},
+		{"scenery four", "", "tmpFiles/.xlsx"},
+	}
+	for _, scenery := range scenarios {
+		t.Run(scenery.description, func(t *testing.T) {
+			actual := GetUploadXlsxPath(scenery.input)
+			assert.Equal(t, scenery.expected, actual, "The returned value not is expected")
+		})
+	}
+}