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110 lines
3.6 KiB
Go
110 lines
3.6 KiB
Go
// Copyright 2019 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 highlight provides code highlighting.
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package highlight
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import (
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"testing"
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qt "github.com/frankban/quicktest"
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)
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func TestHighlight(t *testing.T) {
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c := qt.New(t)
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lines := `LINE1
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LINE2
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LINE3
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LINE4
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LINE5
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`
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c.Run("Basic", func(c *qt.C) {
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cfg := DefaultConfig
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cfg.NoClasses = false
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h := New(cfg)
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result, _ := h.Highlight(`echo "Hugo Rocks!"`, "bash", "")
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c.Assert(result, qt.Equals, `<div class="highlight"><pre class="chroma"><code class="language-bash" data-lang="bash"><span class="nb">echo</span> <span class="s2">"Hugo Rocks!"</span></code></pre></div>`)
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result, _ = h.Highlight(`echo "Hugo Rocks!"`, "unknown", "")
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c.Assert(result, qt.Equals, `<pre><code class="language-unknown" data-lang="unknown">echo "Hugo Rocks!"</code></pre>`)
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})
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c.Run("Highlight lines, default config", func(c *qt.C) {
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cfg := DefaultConfig
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cfg.NoClasses = false
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h := New(cfg)
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result, _ := h.Highlight(lines, "bash", "linenos=table,hl_lines=2 4-5,linenostart=3")
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c.Assert(result, qt.Contains, "<div class=\"highlight\"><div class=\"chroma\">\n<table class=\"lntable\"><tr><td class=\"lntd\">\n<pre class=\"chroma\"><code><span class")
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c.Assert(result, qt.Contains, "<span class=\"hl\"><span class=\"lnt\">4")
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result, _ = h.Highlight(lines, "bash", "linenos=inline,hl_lines=2")
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c.Assert(result, qt.Contains, "<span class=\"ln\">2</span>LINE2\n</span>")
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c.Assert(result, qt.Not(qt.Contains), "<table")
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result, _ = h.Highlight(lines, "bash", "linenos=true,hl_lines=2")
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c.Assert(result, qt.Contains, "<table")
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c.Assert(result, qt.Contains, "<span class=\"hl\"><span class=\"lnt\">2\n</span>")
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})
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c.Run("Highlight lines, linenumbers default on", func(c *qt.C) {
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cfg := DefaultConfig
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cfg.NoClasses = false
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cfg.LineNos = true
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h := New(cfg)
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result, _ := h.Highlight(lines, "bash", "")
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c.Assert(result, qt.Contains, "<span class=\"lnt\">2\n</span>")
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result, _ = h.Highlight(lines, "bash", "linenos=false,hl_lines=2")
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c.Assert(result, qt.Not(qt.Contains), "class=\"lnt\"")
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})
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c.Run("Highlight lines, linenumbers default on, linenumbers in table default off", func(c *qt.C) {
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cfg := DefaultConfig
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cfg.NoClasses = false
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cfg.LineNos = true
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cfg.LineNumbersInTable = false
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h := New(cfg)
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result, _ := h.Highlight(lines, "bash", "")
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c.Assert(result, qt.Contains, "<span class=\"ln\">2</span>LINE2\n<")
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result, _ = h.Highlight(lines, "bash", "linenos=table")
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c.Assert(result, qt.Contains, "<span class=\"lnt\">1\n</span>")
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})
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c.Run("No language", func(c *qt.C) {
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cfg := DefaultConfig
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cfg.NoClasses = false
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cfg.LineNos = true
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h := New(cfg)
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result, _ := h.Highlight(lines, "", "")
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c.Assert(result, qt.Equals, "<pre><code>LINE1\nLINE2\nLINE3\nLINE4\nLINE5\n</code></pre>")
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})
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c.Run("No language, guess syntax", func(c *qt.C) {
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cfg := DefaultConfig
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cfg.NoClasses = false
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cfg.GuessSyntax = true
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cfg.LineNos = true
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cfg.LineNumbersInTable = false
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h := New(cfg)
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result, _ := h.Highlight(lines, "", "")
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c.Assert(result, qt.Contains, "<span class=\"ln\">2</span>LINE2\n<")
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})
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}
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