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// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package template
import (
"bytes"
"testing"
)
func TestClone(t *testing.T) {
tests := []struct {
input, want, wantClone string
}{
{
`Hello, {{if true}}{{"<World>"}}{{end}}!`,
"Hello, <World>!",
"Hello, <World>!",
},
{
`Hello, {{if false}}{{.X}}{{else}}{{"<World>"}}{{end}}!`,
"Hello, <World>!",
"Hello, <World>!",
},
{
`Hello, {{with "<World>"}}{{.}}{{end}}!`,
"Hello, <World>!",
"Hello, <World>!",
},
{
`{{range .}}<p>{{.}}</p>{{end}}`,
"<p>foo</p><p><bar></p><p>baz</p>",
"<p>foo</p><p><bar></p><p>baz</p>",
},
{
`Hello, {{"<World>" | html}}!`,
"Hello, <World>!",
"Hello, <World>!",
},
{
`Hello{{if 1}}, World{{else}}{{template "d"}}{{end}}!`,
"Hello, World!",
"Hello, World!",
},
}
for _, test := range tests {
s, err := New("s").Parse(test.input)
if err != nil {
t.Errorf("input=%q: unexpected parse error %v", test.input, err)
}
d, _ := New("d").Parse(test.input)
// Hack: just replace the root of the tree.
d.text.Root = cloneList(s.text.Root)
if want, got := s.text.Root.String(), d.text.Root.String(); want != got {
t.Errorf("want %q, got %q", want, got)
}
err = escapeTemplates(d, "d")
if err != nil {
t.Errorf("%q: failed to escape: %s", test.input, err)
continue
}
if want, got := "s", s.Name(); want != got {
t.Errorf("want %q, got %q", want, got)
continue
}
if want, got := "d", d.Name(); want != got {
t.Errorf("want %q, got %q", want, got)
continue
}
data := []string{"foo", "<bar>", "baz"}
var b bytes.Buffer
d.Execute(&b, data)
if got := b.String(); got != test.wantClone {
t.Errorf("input=%q: want %q, got %q", test.input, test.wantClone, got)
}
// Make sure escaping d did not affect s.
b.Reset()
s.text.Execute(&b, data)
if got := b.String(); got != test.want {
t.Errorf("input=%q: want %q, got %q", test.input, test.want, got)
}
}
}
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