transition_test.go

Documentation: html/template

		 1  // Copyright 2011 The Go Authors. All rights reserved.
		 2  // Use of this source code is governed by a BSD-style
		 3  // license that can be found in the LICENSE file.
		 4  
		 5  package template
		 6  
		 7  import (
		 8  	"bytes"
		 9  	"strings"
		10  	"testing"
		11  )
		12  
		13  func TestFindEndTag(t *testing.T) {
		14  	tests := []struct {
		15  		s, tag string
		16  		want	 int
		17  	}{
		18  		{"", "tag", -1},
		19  		{"hello </textarea> hello", "textarea", 6},
		20  		{"hello </TEXTarea> hello", "textarea", 6},
		21  		{"hello </textAREA>", "textarea", 6},
		22  		{"hello </textarea", "textareax", -1},
		23  		{"hello </textarea>", "tag", -1},
		24  		{"hello tag </textarea", "tag", -1},
		25  		{"hello </tag> </other> </textarea> <other>", "textarea", 22},
		26  		{"</textarea> <other>", "textarea", 0},
		27  		{"<div> </div> </TEXTAREA>", "textarea", 13},
		28  		{"<div> </div> </TEXTAREA\t>", "textarea", 13},
		29  		{"<div> </div> </TEXTAREA >", "textarea", 13},
		30  		{"<div> </div> </TEXTAREAfoo", "textarea", -1},
		31  		{"</TEXTAREAfoo </textarea>", "textarea", 14},
		32  		{"<</script >", "script", 1},
		33  		{"</script>", "textarea", -1},
		34  	}
		35  	for _, test := range tests {
		36  		if got := indexTagEnd([]byte(test.s), []byte(test.tag)); test.want != got {
		37  			t.Errorf("%q/%q: want\n\t%d\nbut got\n\t%d", test.s, test.tag, test.want, got)
		38  		}
		39  	}
		40  }
		41  
		42  func BenchmarkTemplateSpecialTags(b *testing.B) {
		43  
		44  	r := struct {
		45  		Name, Gift string
		46  	}{"Aunt Mildred", "bone china tea set"}
		47  
		48  	h1 := "<textarea> Hello Hello Hello </textarea> "
		49  	h2 := "<textarea> <p> Dear {{.Name}},\n{{with .Gift}}Thank you for the lovely {{.}}. {{end}}\nBest wishes. </p>\n</textarea>"
		50  	html := strings.Repeat(h1, 100) + h2 + strings.Repeat(h1, 100) + h2
		51  
		52  	var buf bytes.Buffer
		53  	for i := 0; i < b.N; i++ {
		54  		tmpl := Must(New("foo").Parse(html))
		55  		if err := tmpl.Execute(&buf, r); err != nil {
		56  			b.Fatal(err)
		57  		}
		58  		buf.Reset()
		59  	}
		60  }
		61
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