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forgejo/modules/charset/breakwriter_test.go

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1.5 KiB
Go

// Copyright 2022 The Gitea 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 charset
import (
"strings"
"testing"
)
func TestBreakWriter_Write(t *testing.T) {
tests := []struct {
name string
kase string
expect string
wantErr bool
}{
{
name: "noline",
kase: "abcdefghijklmnopqrstuvwxyz",
expect: "abcdefghijklmnopqrstuvwxyz",
},
{
name: "endline",
kase: "abcdefghijklmnopqrstuvwxyz\n",
expect: "abcdefghijklmnopqrstuvwxyz<br>",
},
{
name: "startline",
kase: "\nabcdefghijklmnopqrstuvwxyz",
expect: "<br>abcdefghijklmnopqrstuvwxyz",
},
{
name: "onlyline",
kase: "\n\n\n",
expect: "<br><br><br>",
},
{
name: "empty",
kase: "",
expect: "",
},
{
name: "midline",
kase: "\nabc\ndefghijkl\nmnopqrstuvwxy\nz",
expect: "<br>abc<br>defghijkl<br>mnopqrstuvwxy<br>z",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
buf := &strings.Builder{}
b := &BreakWriter{
Writer: buf,
}
n, err := b.Write([]byte(tt.kase))
if (err != nil) != tt.wantErr {
t.Errorf("BreakWriter.Write() error = %v, wantErr %v", err, tt.wantErr)
return
}
if n != len(tt.kase) {
t.Errorf("BreakWriter.Write() = %v, want %v", n, len(tt.kase))
}
if buf.String() != tt.expect {
t.Errorf("BreakWriter.Write() wrote %q, want %v", buf.String(), tt.expect)
}
})
}
}