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// Copyright 2015 The Hugo Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
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package helpers
import (
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"html/template"
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"strings"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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const tstHTMLContent = "<!DOCTYPE html><html><head><script src=\"http://two/foobar.js\"></script></head><body><nav><ul><li hugo-nav=\"section_0\"></li><li hugo-nav=\"section_1\"></li></ul></nav><article>content <a href=\"http://two/foobar\">foobar</a>. Follow up</article><p>This is some text.<br>And some more.</p></body></html>"
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func TestStripHTML ( t * testing . T ) {
type test struct {
input , expected string
}
data := [ ] test {
{ "<h1>strip h1 tag <h1>" , "strip h1 tag " } ,
{ "<p> strip p tag </p>" , " strip p tag \n" } ,
{ "</br> strip br<br>" , " strip br\n" } ,
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{ "</br> strip br2<br />" , " strip br2\n" } ,
{ "This <strong>is</strong> a\nnewline" , "This is a newline" } ,
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}
for i , d := range data {
output := StripHTML ( d . input )
if d . expected != output {
t . Errorf ( "Test %d failed. Expected %q got %q" , i , d . expected , output )
}
}
}
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func BenchmarkStripHTML ( b * testing . B ) {
b . ResetTimer ( )
for i := 0 ; i < b . N ; i ++ {
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StripHTML ( tstHTMLContent )
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}
}
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func TestStripEmptyNav ( t * testing . T ) {
cleaned := StripEmptyNav ( [ ] byte ( "do<nav>\n</nav>\n\nbedobedo" ) )
assert . Equal ( t , [ ] byte ( "dobedobedo" ) , cleaned )
}
func TestBytesToHTML ( t * testing . T ) {
assert . Equal ( t , template . HTML ( "dobedobedo" ) , BytesToHTML ( [ ] byte ( "dobedobedo" ) ) )
}
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func TestTruncateWordsToWholeSentence ( t * testing . T ) {
type test struct {
input , expected string
max int
truncated bool
}
data := [ ] test {
{ "a b c" , "a b c" , 12 , false } ,
{ "a b c" , "a b c" , 3 , false } ,
{ "a" , "a" , 1 , false } ,
{ "This is a sentence." , "This is a sentence." , 5 , false } ,
{ "This is also a sentence!" , "This is also a sentence!" , 1 , false } ,
{ "To be. Or not to be. That's the question." , "To be." , 1 , true } ,
{ " \nThis is not a sentence\n " , "This is not a" , 4 , true } ,
}
for i , d := range data {
output , truncated := TruncateWordsToWholeSentence ( strings . Fields ( d . input ) , d . max )
if d . expected != output {
t . Errorf ( "Test %d failed. Expected %q got %q" , i , d . expected , output )
}
if d . truncated != truncated {
t . Errorf ( "Test %d failed. Expected truncated=%t got %t" , i , d . truncated , truncated )
}
}
}
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func TestTruncateWordsByRune ( t * testing . T ) {
type test struct {
input , expected string
max int
truncated bool
}
data := [ ] test {
{ "" , "" , 1 , false } ,
{ "a b c" , "a b c" , 12 , false } ,
{ "a b c" , "a b c" , 3 , false } ,
{ "a" , "a" , 1 , false } ,
{ "Hello 中国" , "" , 0 , true } ,
{ "这是中文，全中文。" , "这是中文，" , 5 , true } ,
{ "Hello 中国" , "Hello 中" , 2 , true } ,
{ "Hello 中国" , "Hello 中国" , 3 , false } ,
{ "Hello中国 Good 好的" , "Hello中国 Good 好" , 9 , true } ,
{ "This is a sentence." , "This is" , 2 , true } ,
{ "This is also a sentence!" , "This" , 1 , true } ,
{ "To be. Or not to be. That's the question." , "To be. Or not" , 4 , true } ,
{ " \nThis is not a sentence\n " , "This is not" , 3 , true } ,
}
for i , d := range data {
output , truncated := TruncateWordsByRune ( strings . Fields ( d . input ) , d . max )
if d . expected != output {
t . Errorf ( "Test %d failed. Expected %q got %q" , i , d . expected , output )
}
if d . truncated != truncated {
t . Errorf ( "Test %d failed. Expected truncated=%t got %t" , i , d . truncated , truncated )
}
}
}
