git-server/internal/strutil/strutil_test.go

// Copyright 2020 The Gogs Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.

package strutil

import (
	"testing"

	"github.com/stretchr/testify/assert"
)

func TestToUpperFirst(t *testing.T) {
	tests := []struct {
		name   string
		s      string
		expStr string
	}{
		{
			name: "empty string",
		},
		{
			name:   "first letter is a digit",
			s:      "123 let's go",
			expStr: "123 let's go",
		},
		{
			name:   "lower to upper",
			s:      "this is a sentence",
			expStr: "This is a sentence",
		},
		{
			name:   "already in upper case",
			s:      "Let's go",
			expStr: "Let's go",
		},
	}
	for _, test := range tests {
		t.Run(test.name, func(t *testing.T) {
			assert.Equal(t, test.expStr, ToUpperFirst(test.s))
		})
	}
}