diff options
Diffstat (limited to 'tpl/tplimpl/template_func_truncate_test.go')
| -rw-r--r-- | tpl/tplimpl/template_func_truncate_test.go | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/tpl/tplimpl/template_func_truncate_test.go b/tpl/tplimpl/template_func_truncate_test.go new file mode 100644 index 000000000..9c4beecff --- /dev/null +++ b/tpl/tplimpl/template_func_truncate_test.go @@ -0,0 +1,83 @@ +// Copyright 2016 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. + +package tplimpl + +import ( + "html/template" + "reflect" + "strings" + "testing" +) + +func TestTruncate(t *testing.T) { + t.Parallel() + var err error + cases := []struct { + v1 interface{} + v2 interface{} + v3 interface{} + want interface{} + isErr bool + }{ + {10, "I am a test sentence", nil, template.HTML("I am a …"), false}, + {10, "", "I am a test sentence", template.HTML("I am a"), false}, + {10, "", "a b c d e f g h i j k", template.HTML("a b c d e"), false}, + {12, "", "<b>Should be escaped</b>", template.HTML("<b>Should be"), false}, + {10, template.HTML(" <a href='#'>Read more</a>"), "I am a test sentence", template.HTML("I am a <a href='#'>Read more</a>"), false}, + {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}, + {10, "IamanextremelylongwordthatjustgoesonandonandonjusttoannoyyoualmostasifIwaswritteninGermanActuallyIbettheresagermanwordforthis", nil, template.HTML("Iamanextre …"), false}, + {10, template.HTML("<p>IamanextremelylongwordthatjustgoesonandonandonjusttoannoyyoualmostasifIwaswritteninGermanActuallyIbettheresagermanwordforthis</p>"), nil, template.HTML("<p>Iamanextre …</p>"), false}, + {13, template.HTML("With <a href=\"/markdown\">Markdown</a> inside."), nil, template.HTML("With <a href=\"/markdown\">Markdown …</a>"), false}, + {14, "Hello中国 Good 好的", nil, template.HTML("Hello中国 Good 好 …"), false}, + {15, "", template.HTML("A <br> tag that's not closed"), template.HTML("A <br> tag that's"), false}, + {14, template.HTML("<p>Hello中国 Good 好的</p>"), nil, template.HTML("<p>Hello中国 Good 好 …</p>"), false}, + {2, template.HTML("<p>P1</p><p>P2</p>"), nil, template.HTML("<p>P1 …</p>"), false}, + {3, template.HTML(strings.Repeat("<p>P</p>", 20)), nil, template.HTML("<p>P</p><p>P</p><p>P …</p>"), false}, + {18, template.HTML("<p>test <b>hello</b> test something</p>"), nil, template.HTML("<p>test <b>hello</b> test …</p>"), false}, + {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}, + {10, nil, nil, template.HTML(""), true}, + {nil, nil, nil, template.HTML(""), true}, + } + for i, c := range cases { + var result template.HTML + if c.v2 == nil { + result, err = truncate(c.v1) + } else if c.v3 == nil { + result, err = truncate(c.v1, c.v2) + } else { + result, err = truncate(c.v1, c.v2, c.v3) + } + + if c.isErr { + if err == nil { + t.Errorf("[%d] Slice didn't return an expected error", i) + } + } else { + if err != nil { + t.Errorf("[%d] failed: %s", i, err) + continue + } + if !reflect.DeepEqual(result, c.want) { + t.Errorf("[%d] got '%s' but expected '%s'", i, result, c.want) + } + } + } + + // Too many arguments + _, err = truncate(10, " ...", "I am a test sentence", "wrong") + if err == nil { + t.Errorf("Should have errored") + } + +} |