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// Copyright 2020 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package eventsource
import (
"bytes"
"testing"
)
func Test_wrapNewlines(t *testing.T) {
tests := []struct {
name string
prefix string
value string
output string
}{
{
"check no new lines",
"prefix: ",
"value",
"prefix: value\n",
},
{
"check simple newline",
"prefix: ",
"value1\nvalue2",
"prefix: value1\nprefix: value2\n",
},
{
"check pathological newlines",
"p: ",
"\n1\n\n2\n3\n",
"p: \np: 1\np: \np: 2\np: 3\np: \n",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
w := &bytes.Buffer{}
gotSum, err := wrapNewlines(w, []byte(tt.prefix), []byte(tt.value))
if err != nil {
t.Errorf("wrapNewlines() error = %v", err)
return
}
if gotSum != int64(len(tt.output)) {
t.Errorf("wrapNewlines() = %v, want %v", gotSum, int64(len(tt.output)))
}
if gotW := w.String(); gotW != tt.output {
t.Errorf("wrapNewlines() = %v, want %v", gotW, tt.output)
}
})
}
}
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