2015-12-10 17:19:38 -05:00
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// 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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2015-09-07 14:41:02 -04:00
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package helpers
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2015-10-12 14:47:06 -04:00
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2015-09-07 14:41:02 -04:00
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import (
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"bytes"
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2015-10-12 14:47:06 -04:00
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"github.com/spf13/viper"
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2016-03-13 17:06:51 -04:00
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"regexp"
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2015-10-12 14:47:06 -04:00
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"testing"
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2015-09-07 14:41:02 -04:00
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)
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// Renders a codeblock using Blackfriday
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func render(input string) string {
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ctx := &RenderingContext{}
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render := getHTMLRenderer(0, ctx)
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2015-09-07 14:41:02 -04:00
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buf := &bytes.Buffer{}
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render.BlockCode(buf, []byte(input), "html")
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return buf.String()
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}
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// Renders a codeblock using Mmark
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func renderWithMmark(input string) string {
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ctx := &RenderingContext{}
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render := getMmarkHtmlRenderer(0, ctx)
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buf := &bytes.Buffer{}
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render.BlockCode(buf, []byte(input), "html", []byte(""), false, false)
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return buf.String()
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}
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func TestCodeFence(t *testing.T) {
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if !HasPygments() {
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t.Skip("Skipping Pygments test as Pygments is not installed or available.")
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return
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}
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type test struct {
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enabled bool
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input, expected string
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}
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// Pygments 2.0 and 2.1 have slightly different outputs so only do partial matching
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data := []test{
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{true, "<html></html>", `(?s)^<div class="highlight"><pre><code class="language-html" data-lang="html">.*?</code></pre></div>\n$`},
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{false, "<html></html>", `(?s)^<pre><code class="language-html">.*?</code></pre>\n$`},
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}
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viper.Reset()
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defer viper.Reset()
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viper.Set("PygmentsStyle", "monokai")
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viper.Set("PygmentsUseClasses", true)
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for i, d := range data {
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viper.Set("PygmentsCodeFences", d.enabled)
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result := render(d.input)
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expectedRe, err := regexp.Compile(d.expected)
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if err != nil {
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t.Fatal("Invalid regexp", err)
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}
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matched := expectedRe.MatchString(result)
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if !matched {
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t.Errorf("Test %d failed. BlackFriday enabled:%t, Expected:\n%q got:\n%q", i, d.enabled, d.expected, result)
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}
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result = renderWithMmark(d.input)
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matched = expectedRe.MatchString(result)
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if !matched {
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t.Errorf("Test %d failed. Mmark enabled:%t, Expected:\n%q got:\n%q", i, d.enabled, d.expected, result)
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}
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}
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}
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