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documentend_test.go
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documentend_test.go
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package lolhtml_test
import (
"bytes"
"testing"
"github.com/coolspring8/go-lolhtml"
)
func TestDocumentEnd_AppendToEmptyDoc(t *testing.T) {
var buf bytes.Buffer
w, err := lolhtml.NewWriter(
&buf,
&lolhtml.Handlers{
DocumentContentHandler: []lolhtml.DocumentContentHandler{
{
DocumentEndHandler: func(docEnd *lolhtml.DocumentEnd) lolhtml.RewriterDirective {
if err := docEnd.AppendAsHTML("<!--appended text-->"); err != nil {
t.Error(err)
}
if err := docEnd.AppendAsText("hello & world"); err != nil {
t.Error(err)
}
return lolhtml.Continue
},
},
},
},
)
if err != nil {
t.Error(err)
}
if _, err = w.Write([]byte("")); err != nil {
t.Error(err)
}
if err = w.Close(); err != nil {
t.Error(err)
}
wantedText := "<!--appended text-->hello & world"
if finalText := buf.String(); finalText != wantedText {
t.Errorf("want %s got %s \n", wantedText, finalText)
}
}
func TestDocumentEnd_AppendAtEnd(t *testing.T) {
var buf bytes.Buffer
w, err := lolhtml.NewWriter(
&buf,
&lolhtml.Handlers{
DocumentContentHandler: []lolhtml.DocumentContentHandler{
{
DocumentEndHandler: func(docEnd *lolhtml.DocumentEnd) lolhtml.RewriterDirective {
if err := docEnd.AppendAsHTML("<!--appended text-->"); err != nil {
t.Error(err)
}
if err := docEnd.AppendAsText("hello & world"); err != nil {
t.Error(err)
}
return lolhtml.Continue
},
},
},
},
)
if err != nil {
t.Error(err)
}
if _, err = w.Write([]byte("<html><div>Hello</div></html>")); err != nil {
t.Error(err)
}
if err = w.Close(); err != nil {
t.Error(err)
}
wantedText := "<html><div>Hello</div></html><!--appended text-->hello & world"
if finalText := buf.String(); finalText != wantedText {
t.Errorf("want %s got %s \n", wantedText, finalText)
}
}