Files
Gitea/services/gitdiff/gitdiff_parse_test.go
T
2026-09-12 11:56:25 +00:00

49 lines
1.8 KiB
Go

// Copyright 2026 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package gitdiff
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestTryFixTruncatedString(t *testing.T) {
assert.Equal(t, "", tryFixTruncatedString(""))
t.Run("UTF8", func(t *testing.T) {
s := "🌞a🌛"
assert.Equal(t, s[:1], tryFixTruncatedString(s[:1]))
assert.Equal(t, s[:2], tryFixTruncatedString(s[:2]))
assert.Equal(t, s[:3], tryFixTruncatedString(s[:3]))
assert.Equal(t, "🌞", tryFixTruncatedString(s[:4]))
assert.Equal(t, "🌞a", tryFixTruncatedString(s[:5]))
assert.Equal(t, "🌞a", tryFixTruncatedString(s[:6]))
assert.Equal(t, "🌞a", tryFixTruncatedString(s[:7]))
assert.Equal(t, "🌞a", tryFixTruncatedString(s[:8]))
assert.Equal(t, "🌞a🌛", tryFixTruncatedString(s[:9]))
s = "a🌞🌛"
assert.Equal(t, "a", tryFixTruncatedString(s[:1]))
assert.Equal(t, "a", tryFixTruncatedString(s[:2]))
assert.Equal(t, "a", tryFixTruncatedString(s[:3]))
assert.Equal(t, "a", tryFixTruncatedString(s[:4]))
assert.Equal(t, "a🌞", tryFixTruncatedString(s[:5]))
assert.Equal(t, "a🌞", tryFixTruncatedString(s[:6]))
})
t.Run("Non-UTF8", func(t *testing.T) {
s := "\xff\xee\xff\xeeb\xff\xee\xff\xee"
assert.Equal(t, "\xff", tryFixTruncatedString(s[:1]))
assert.Equal(t, "\xff\xee", tryFixTruncatedString(s[:2]))
assert.Equal(t, "\xff\xee\xff", tryFixTruncatedString(s[:3]))
assert.Equal(t, "\xff\xee\xff\xee", tryFixTruncatedString(s[:4]))
assert.Equal(t, "\xff\xee\xff\xeeb", tryFixTruncatedString(s[:5]))
assert.Equal(t, "\xff\xee\xff\xeeb", tryFixTruncatedString(s[:6]))
assert.Equal(t, "\xff\xee\xff\xeeb", tryFixTruncatedString(s[:7]))
assert.Equal(t, "\xff\xee\xff\xeeb", tryFixTruncatedString(s[:8]))
assert.Equal(t, "\xff\xee\xff\xeeb\xff\xee\xff\xee", tryFixTruncatedString(s[:9]))
})
}