mirror of https://github.com/gohugoio/hugo.git
86 lines
3.5 KiB
Go
86 lines
3.5 KiB
Go
// Copyright 2016 The Hugo Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package strings
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import (
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"html/template"
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"reflect"
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"strings"
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"testing"
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)
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func TestTruncate(t *testing.T) {
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t.Parallel()
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var err error
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cases := []struct {
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v1 interface{}
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v2 interface{}
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v3 interface{}
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want interface{}
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isErr bool
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}{
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{10, "I am a test sentence", nil, template.HTML("I am a …"), false},
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{10, "", "I am a test sentence", template.HTML("I am a"), false},
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{10, "", "a b c d e f g h i j k", template.HTML("a b c d e"), false},
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{12, "", "<b>Should be escaped</b>", template.HTML("<b>Should be"), false},
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{10, template.HTML(" <a href='#'>Read more</a>"), "I am a test sentence", template.HTML("I am a <a href='#'>Read more</a>"), false},
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{20, template.HTML("I have a <a href='/markdown'>Markdown link</a> inside."), nil, template.HTML("I have a <a href='/markdown'>Markdown …</a>"), false},
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{10, "IamanextremelylongwordthatjustgoesonandonandonjusttoannoyyoualmostasifIwaswritteninGermanActuallyIbettheresagermanwordforthis", nil, template.HTML("Iamanextre …"), false},
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{10, template.HTML("<p>IamanextremelylongwordthatjustgoesonandonandonjusttoannoyyoualmostasifIwaswritteninGermanActuallyIbettheresagermanwordforthis</p>"), nil, template.HTML("<p>Iamanextre …</p>"), false},
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{13, template.HTML("With <a href=\"/markdown\">Markdown</a> inside."), nil, template.HTML("With <a href=\"/markdown\">Markdown …</a>"), false},
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{14, "Hello中国 Good 好的", nil, template.HTML("Hello中国 Good 好 …"), false},
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{15, "", template.HTML("A <br> tag that's not closed"), template.HTML("A <br> tag that's"), false},
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{14, template.HTML("<p>Hello中国 Good 好的</p>"), nil, template.HTML("<p>Hello中国 Good 好 …</p>"), false},
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{2, template.HTML("<p>P1</p><p>P2</p>"), nil, template.HTML("<p>P1 …</p>"), false},
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{3, template.HTML(strings.Repeat("<p>P</p>", 20)), nil, template.HTML("<p>P</p><p>P</p><p>P …</p>"), false},
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{18, template.HTML("<p>test <b>hello</b> test something</p>"), nil, template.HTML("<p>test <b>hello</b> test …</p>"), false},
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{4, template.HTML("<p>a<b><i>b</b>c d e</p>"), nil, template.HTML("<p>a<b><i>b</b>c …</p>"), false},
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{10, nil, nil, template.HTML(""), true},
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{nil, nil, nil, template.HTML(""), true},
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}
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for i, c := range cases {
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var result template.HTML
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if c.v2 == nil {
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result, err = ns.Truncate(c.v1)
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} else if c.v3 == nil {
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result, err = ns.Truncate(c.v1, c.v2)
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} else {
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result, err = ns.Truncate(c.v1, c.v2, c.v3)
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}
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if c.isErr {
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if err == nil {
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t.Errorf("[%d] Slice didn't return an expected error", i)
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}
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} else {
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if err != nil {
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t.Errorf("[%d] failed: %s", i, err)
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continue
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}
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if !reflect.DeepEqual(result, c.want) {
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t.Errorf("[%d] got '%s' but expected '%s'", i, result, c.want)
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}
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}
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}
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// Too many arguments
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_, err = ns.Truncate(10, " ...", "I am a test sentence", "wrong")
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if err == nil {
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t.Errorf("Should have errored")
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}
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}
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