mirror of
https://github.com/gohugoio/hugo.git
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47fdfd5196
Changes fall into one of the following: - gofmt -s - receiver name is inconsistent - omit unused 2nd value from range - godoc comment formed incorrectly - err assigned and not used - if block ends with a return statement followed by else
292 lines
8.1 KiB
Go
292 lines
8.1 KiB
Go
// Copyright 2015 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 helpers
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import (
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"fmt"
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"reflect"
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"testing"
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"github.com/alecthomas/chroma/formatters/html"
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"github.com/spf13/viper"
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"github.com/stretchr/testify/require"
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)
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func TestParsePygmentsArgs(t *testing.T) {
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assert := require.New(t)
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for i, this := range []struct {
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in string
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pygmentsStyle string
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pygmentsUseClasses bool
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expect1 interface{}
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}{
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{"", "foo", true, "encoding=utf8,noclasses=false,style=foo"},
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{"style=boo,noclasses=true", "foo", true, "encoding=utf8,noclasses=true,style=boo"},
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{"Style=boo, noClasses=true", "foo", true, "encoding=utf8,noclasses=true,style=boo"},
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{"noclasses=true", "foo", true, "encoding=utf8,noclasses=true,style=foo"},
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{"style=boo", "foo", true, "encoding=utf8,noclasses=false,style=boo"},
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{"boo=invalid", "foo", false, false},
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{"style", "foo", false, false},
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} {
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v := viper.New()
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v.Set("pygmentsStyle", this.pygmentsStyle)
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v.Set("pygmentsUseClasses", this.pygmentsUseClasses)
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spec, err := NewContentSpec(v)
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assert.NoError(err)
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result1, err := spec.createPygmentsOptionsString(this.in)
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if b, ok := this.expect1.(bool); ok && !b {
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if err == nil {
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t.Errorf("[%d] parsePygmentArgs 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] parsePygmentArgs failed: %s", i, err)
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continue
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}
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if result1 != this.expect1 {
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t.Errorf("[%d] parsePygmentArgs got %v but expected %v", i, result1, this.expect1)
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}
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}
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}
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}
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func TestParseDefaultPygmentsArgs(t *testing.T) {
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assert := require.New(t)
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expect := "encoding=utf8,noclasses=false,style=foo"
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for i, this := range []struct {
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in string
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pygmentsStyle interface{}
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pygmentsUseClasses interface{}
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pygmentsOptions string
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}{
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{"", "foo", true, "style=override,noclasses=override"},
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{"", nil, nil, "style=foo,noclasses=false"},
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{"style=foo,noclasses=false", nil, nil, "style=override,noclasses=override"},
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{"style=foo,noclasses=false", "override", false, "style=override,noclasses=override"},
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} {
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v := viper.New()
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v.Set("pygmentsOptions", this.pygmentsOptions)
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if s, ok := this.pygmentsStyle.(string); ok {
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v.Set("pygmentsStyle", s)
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}
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if b, ok := this.pygmentsUseClasses.(bool); ok {
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v.Set("pygmentsUseClasses", b)
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}
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spec, err := NewContentSpec(v)
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assert.NoError(err)
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result, err := spec.createPygmentsOptionsString(this.in)
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if err != nil {
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t.Errorf("[%d] parsePygmentArgs failed: %s", i, err)
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continue
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}
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if result != expect {
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t.Errorf("[%d] parsePygmentArgs got %v but expected %v", i, result, expect)
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}
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}
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}
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type chromaInfo struct {
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classes bool
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lineNumbers bool
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highlightRangesLen int
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highlightRangesStr string
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baseLineNumber int
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}
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func formatterChromaInfo(f *html.Formatter) chromaInfo {
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v := reflect.ValueOf(f).Elem()
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c := chromaInfo{}
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// Hack:
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c.classes = v.FieldByName("classes").Bool()
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c.lineNumbers = v.FieldByName("lineNumbers").Bool()
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c.baseLineNumber = int(v.FieldByName("baseLineNumber").Int())
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vv := v.FieldByName("highlightRanges")
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c.highlightRangesLen = vv.Len()
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c.highlightRangesStr = fmt.Sprint(vv)
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return c
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}
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func TestChromaHTMLHighlight(t *testing.T) {
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assert := require.New(t)
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v := viper.New()
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v.Set("pygmentsUseClasses", true)
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spec, err := NewContentSpec(v)
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assert.NoError(err)
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result, err := spec.Highlight(`echo "Hello"`, "bash", "")
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assert.NoError(err)
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assert.Contains(result, `<code class="language-bash" data-lang="bash"><span class="nb">echo</span><span class=""> </span><span class="s2">"Hello"</span></code>`)
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}
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func TestChromaHTMLFormatterFromOptions(t *testing.T) {
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assert := require.New(t)
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for i, this := range []struct {
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in string
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pygmentsStyle interface{}
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pygmentsUseClasses interface{}
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pygmentsOptions string
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assert func(c chromaInfo)
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}{
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{"", "monokai", true, "style=manni,noclasses=true", func(c chromaInfo) {
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assert.True(c.classes)
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assert.False(c.lineNumbers)
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assert.Equal(0, c.highlightRangesLen)
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}},
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{"", nil, nil, "style=monokai,noclasses=false", func(c chromaInfo) {
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assert.True(c.classes)
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}},
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{"linenos=sure,hl_lines=1 2 3", nil, nil, "style=monokai,noclasses=false", func(c chromaInfo) {
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assert.True(c.classes)
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assert.True(c.lineNumbers)
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assert.Equal(3, c.highlightRangesLen)
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assert.Equal("[[1 1] [2 2] [3 3]]", c.highlightRangesStr)
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assert.Equal(1, c.baseLineNumber)
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}},
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{"linenos=sure,hl_lines=1,linenostart=4", nil, nil, "style=monokai,noclasses=false", func(c chromaInfo) {
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assert.True(c.classes)
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assert.True(c.lineNumbers)
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assert.Equal(1, c.highlightRangesLen)
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// This compansates for https://github.com/alecthomas/chroma/issues/30
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assert.Equal("[[4 4]]", c.highlightRangesStr)
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assert.Equal(4, c.baseLineNumber)
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}},
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{"style=monokai,noclasses=false", nil, nil, "style=manni,noclasses=true", func(c chromaInfo) {
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assert.True(c.classes)
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}},
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{"style=monokai,noclasses=true", "friendly", false, "style=manni,noclasses=false", func(c chromaInfo) {
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assert.False(c.classes)
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}},
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} {
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v := viper.New()
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v.Set("pygmentsOptions", this.pygmentsOptions)
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if s, ok := this.pygmentsStyle.(string); ok {
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v.Set("pygmentsStyle", s)
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}
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if b, ok := this.pygmentsUseClasses.(bool); ok {
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v.Set("pygmentsUseClasses", b)
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}
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spec, err := NewContentSpec(v)
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assert.NoError(err)
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opts, err := spec.parsePygmentsOpts(this.in)
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if err != nil {
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t.Fatalf("[%d] parsePygmentsOpts failed: %s", i, err)
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}
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chromaFormatter, err := spec.chromaFormatterFromOptions(opts)
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if err != nil {
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t.Fatalf("[%d] chromaFormatterFromOptions failed: %s", i, err)
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}
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this.assert(formatterChromaInfo(chromaFormatter.(*html.Formatter)))
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}
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}
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func TestHlLinesToRanges(t *testing.T) {
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var zero [][2]int
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for _, this := range []struct {
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in string
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startLine int
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expected interface{}
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}{
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{"", 1, zero},
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{"1 4", 1, [][2]int{{1, 1}, {4, 4}}},
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{"1 4", 2, [][2]int{{2, 2}, {5, 5}}},
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{"1-4 5-8", 1, [][2]int{{1, 4}, {5, 8}}},
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{" 1 4 ", 1, [][2]int{{1, 1}, {4, 4}}},
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{"1-4 5-8 ", 1, [][2]int{{1, 4}, {5, 8}}},
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{"1-4 5", 1, [][2]int{{1, 4}, {5, 5}}},
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{"4 5-9", 1, [][2]int{{4, 4}, {5, 9}}},
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{" 1 -4 5 - 8 ", 1, true},
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{"a b", 1, true},
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} {
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got, err := hlLinesToRanges(this.startLine, this.in)
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if expectErr, ok := this.expected.(bool); ok && expectErr {
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if err == nil {
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t.Fatal("No error")
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}
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} else if err != nil {
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t.Fatalf("Got error: %s", err)
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} else if !reflect.DeepEqual(this.expected, got) {
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t.Fatalf("Expected\n%v but got\n%v", this.expected, got)
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}
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}
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}
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func BenchmarkChromaHighlight(b *testing.B) {
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assert := require.New(b)
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v := viper.New()
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v.Set("pygmentsstyle", "trac")
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v.Set("pygmentsuseclasses", false)
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v.Set("pygmentsuseclassic", false)
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code := `// GetTitleFunc returns a func that can be used to transform a string to
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// title case.
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//
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// The supported styles are
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//
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// - "Go" (strings.Title)
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// - "AP" (see https://www.apstylebook.com/)
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// - "Chicago" (see http://www.chicagomanualofstyle.org/home.html)
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//
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// If an unknown or empty style is provided, AP style is what you get.
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func GetTitleFunc(style string) func(s string) string {
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switch strings.ToLower(style) {
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case "go":
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return strings.Title
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case "chicago":
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tc := transform.NewTitleConverter(transform.ChicagoStyle)
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return tc.Title
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default:
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tc := transform.NewTitleConverter(transform.APStyle)
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return tc.Title
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}
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}
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`
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spec, err := NewContentSpec(v)
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assert.NoError(err)
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for i := 0; i < b.N; i++ {
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_, err := spec.Highlight(code, "go", "linenos=inline,hl_lines=8 15-17")
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if err != nil {
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b.Fatal(err)
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}
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}
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}
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