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// Copyright 2018 The Gitea Authors. All rights reserved.
// Copyright 2024 The Forgejo Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package util_test
import (
"bytes"
"crypto/rand"
"regexp"
"strings"
"testing"
"code.gitea.io/gitea/modules/optional"
"code.gitea.io/gitea/modules/test"
"code.gitea.io/gitea/modules/util"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestURLJoin(t *testing.T) {
type test struct {
Expected string
Base string
Elements []string
}
newTest := func(expected, base string, elements ...string) test {
return test{Expected: expected, Base: base, Elements: elements}
}
for _, test := range []test{
newTest("https://try.gitea.io/a/b/c",
"https://try.gitea.io", "a/b", "c"),
newTest("https://try.gitea.io/a/b/c",
"https://try.gitea.io/", "/a/b/", "/c/"),
newTest("https://try.gitea.io/a/c",
"https://try.gitea.io/", "/a/./b/", "../c/"),
newTest("a/b/c",
"a", "b/c/"),
newTest("a/b/d",
"a/", "b/c/", "/../d/"),
newTest("https://try.gitea.io/a/b/c#d",
"https://try.gitea.io", "a/b", "c#d"),
newTest("/a/b/d",
"/a/", "b/c/", "/../d/"),
newTest("/a/b/c",
"/a", "b/c/"),
newTest("/a/b/c#hash",
"/a", "b/c#hash"),
} {
assert.Equal(t, test.Expected, util.URLJoin(test.Base, test.Elements...))
}
}
func TestIsEmptyString(t *testing.T) {
cases := []struct {
s string
expected bool
}{
{"", true},
{" ", true},
{" ", true},
{" a", false},
}
for _, v := range cases {
assert.Equal(t, v.expected, util.IsEmptyString(v.s))
}
}
func Test_NormalizeEOL(t *testing.T) {
data1 := []string{
"",
"This text starts with empty lines",
"another",
"",
"",
"",
"Some other empty lines in the middle",
"more.",
"And more.",
"Ends with empty lines too.",
"",
"",
"",
}
data2 := []string{
"This text does not start with empty lines",
"another",
"",
"",
"",
"Some other empty lines in the middle",
"more.",
"And more.",
"Ends without EOLtoo.",
}
buildEOLData := func(data []string, eol string) []byte {
return []byte(strings.Join(data, eol))
}
dos := buildEOLData(data1, "\r\n")
unix := buildEOLData(data1, "\n")
mac := buildEOLData(data1, "\r")
assert.Equal(t, unix, util.NormalizeEOL(dos))
assert.Equal(t, unix, util.NormalizeEOL(mac))
assert.Equal(t, unix, util.NormalizeEOL(unix))
dos = buildEOLData(data2, "\r\n")
unix = buildEOLData(data2, "\n")
mac = buildEOLData(data2, "\r")
assert.Equal(t, unix, util.NormalizeEOL(dos))
assert.Equal(t, unix, util.NormalizeEOL(mac))
assert.Equal(t, unix, util.NormalizeEOL(unix))
assert.Equal(t, []byte("one liner"), util.NormalizeEOL([]byte("one liner")))
assert.Equal(t, []byte("\n"), util.NormalizeEOL([]byte("\n")))
assert.Equal(t, []byte("\ntwo liner"), util.NormalizeEOL([]byte("\ntwo liner")))
assert.Equal(t, []byte("two liner\n"), util.NormalizeEOL([]byte("two liner\n")))
assert.Equal(t, []byte{}, util.NormalizeEOL([]byte{}))
assert.Equal(t, []byte("mix\nand\nmatch\n."), util.NormalizeEOL([]byte("mix\r\nand\rmatch\n.")))
}
func Test_RandomInt(t *testing.T) {
randInt, err := util.CryptoRandomInt(255)
assert.GreaterOrEqual(t, randInt, int64(0))
assert.LessOrEqual(t, randInt, int64(255))
require.NoError(t, err)
}
func Test_RandomString(t *testing.T) {
str1, err := util.CryptoRandomString(32)
require.NoError(t, err)
matches, err := regexp.MatchString(`^[a-zA-Z0-9]{32}$`, str1)
require.NoError(t, err)
assert.True(t, matches)
str2, err := util.CryptoRandomString(32)
require.NoError(t, err)
matches, err = regexp.MatchString(`^[a-zA-Z0-9]{32}$`, str1)
require.NoError(t, err)
assert.True(t, matches)
assert.NotEqual(t, str1, str2)
str3, err := util.CryptoRandomString(256)
require.NoError(t, err)
matches, err = regexp.MatchString(`^[a-zA-Z0-9]{256}$`, str3)
require.NoError(t, err)
assert.True(t, matches)
str4, err := util.CryptoRandomString(256)
require.NoError(t, err)
matches, err = regexp.MatchString(`^[a-zA-Z0-9]{256}$`, str4)
require.NoError(t, err)
assert.True(t, matches)
assert.NotEqual(t, str3, str4)
}
func Test_RandomBytes(t *testing.T) {
bytes1, err := util.CryptoRandomBytes(32)
require.NoError(t, err)
bytes2, err := util.CryptoRandomBytes(32)
require.NoError(t, err)
assert.NotEqual(t, bytes1, bytes2)
bytes3, err := util.CryptoRandomBytes(256)
require.NoError(t, err)
bytes4, err := util.CryptoRandomBytes(256)
require.NoError(t, err)
assert.NotEqual(t, bytes3, bytes4)
}
func TestOptionalBoolParse(t *testing.T) {
assert.Equal(t, optional.None[bool](), util.OptionalBoolParse(""))
assert.Equal(t, optional.None[bool](), util.OptionalBoolParse("x"))
assert.Equal(t, optional.Some(false), util.OptionalBoolParse("0"))
assert.Equal(t, optional.Some(false), util.OptionalBoolParse("f"))
assert.Equal(t, optional.Some(false), util.OptionalBoolParse("False"))
assert.Equal(t, optional.Some(true), util.OptionalBoolParse("1"))
assert.Equal(t, optional.Some(true), util.OptionalBoolParse("t"))
assert.Equal(t, optional.Some(true), util.OptionalBoolParse("True"))
}
// Test case for any function which accepts and returns a single string.
type StringTest struct {
in, out string
}
var upperTests = []StringTest{
{"", ""},
{"ONLYUPPER", "ONLYUPPER"},
{"abc", "ABC"},
{"AbC123", "ABC123"},
{"azAZ09_", "AZAZ09_"},
{"longStrinGwitHmixofsmaLLandcAps", "LONGSTRINGWITHMIXOFSMALLANDCAPS"},
{"long\u0250string\u0250with\u0250nonascii\u2C6Fchars", "LONG\u0250STRING\u0250WITH\u0250NONASCII\u2C6FCHARS"},
{"\u0250\u0250\u0250\u0250\u0250", "\u0250\u0250\u0250\u0250\u0250"},
{"a\u0080\U0010FFFF", "A\u0080\U0010FFFF"},
{"lél", "LéL"},
}
func TestToUpperASCII(t *testing.T) {
for _, tc := range upperTests {
assert.Equal(t, util.ToUpperASCII(tc.in), tc.out)
}
}
func BenchmarkToUpper(b *testing.B) {
for _, tc := range upperTests {
b.Run(tc.in, func(b *testing.B) {
for i := 0; i < b.N; i++ {
util.ToUpperASCII(tc.in)
}
})
}
}
func TestToTitleCase(t *testing.T) {
assert.Equal(t, `Foo Bar Baz`, util.ToTitleCase(`foo bar baz`))
assert.Equal(t, `Foo Bar Baz`, util.ToTitleCase(`FOO BAR BAZ`))
}
func TestToPointer(t *testing.T) {
assert.Equal(t, "abc", *util.ToPointer("abc"))
assert.Equal(t, 123, *util.ToPointer(123))
abc := "abc"
assert.NotSame(t, &abc, util.ToPointer(abc))
val123 := 123
assert.NotSame(t, &val123, util.ToPointer(val123))
}
func TestReserveLineBreakForTextarea(t *testing.T) {
assert.Equal(t, "test\ndata", util.ReserveLineBreakForTextarea("test\r\ndata"))
assert.Equal(t, "test\ndata\n", util.ReserveLineBreakForTextarea("test\r\ndata\r\n"))
}
const (
testPublicKey = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAOhB7/zzhC+HXDdGOdLwJln5NYwm6UNXx3chmQSVTG4\n"
testPrivateKey = `-----BEGIN OPENSSH PRIVATE KEY-----
b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAAAMwAAAAtz
c2gtZWQyNTUxOQAAACADoQe/884Qvh1w3RjnS8CZZ+TWMJulDV8d3IZkElUxuAAA
AIggISIjICEiIwAAAAtzc2gtZWQyNTUxOQAAACADoQe/884Qvh1w3RjnS8CZZ+TW
MJulDV8d3IZkElUxuAAAAEAAAQIDBAUGBwgJCgsMDQ4PEBESExQVFhcYGRobHB0e
HwOhB7/zzhC+HXDdGOdLwJln5NYwm6UNXx3chmQSVTG4AAAAAAECAwQF
-----END OPENSSH PRIVATE KEY-----` + "\n"
)
func TestGeneratingEd25519Keypair(t *testing.T) {
defer test.MockProtect(&rand.Reader)()
// Only 32 bytes needs to be provided to generate a ed25519 keypair.
// And another 32 bytes are required, which is included as random value
// in the OpenSSH format.
b := make([]byte, 64)
for i := 0; i < 64; i++ {
b[i] = byte(i)
}
rand.Reader = bytes.NewReader(b)
publicKey, privateKey, err := util.GenerateSSHKeypair()
require.NoError(t, err)
assert.EqualValues(t, testPublicKey, string(publicKey))
assert.EqualValues(t, testPrivateKey, string(privateKey))
}
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