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require 'test/unit'
require 'coderay'
class ExamplesTest < Test::Unit::TestCase
def test_examples
# output as HTML div (using inline CSS styles)
div = CodeRay.scan('puts "Hello, world!"', :ruby).div
assert_equal <<-DIV, div
<div class="CodeRay">
<div class="code"><pre>puts <span style="background-color:hsla(0,100%,50%,0.1);color:#D20"><span style="color:#710">"</span><span style="">Hello, world!</span><span style="color:#710">"</span></span></pre></div>
</div>
DIV
# ...with line numbers
div = CodeRay.scan(<<-CODE.chomp, :ruby).div(:line_numbers => :table)
5.times do
puts 'Hello, world!'
end
CODE
assert_equal <<-DIV, div
<table class="CodeRay"><tr>
<td class="line_numbers" title="double click to toggle" ondblclick="with (this.firstChild.style) { display = (display == '') ? 'none' : '' }"><pre><a href="#n1" name="n1">1</a>
<a href="#n2" name="n2">2</a>
<a href="#n3" name="n3">3</a>
</pre></td>
<td class="code"><pre ondblclick="with (this.style) { overflow = (overflow == 'auto' || overflow == '') ? 'visible' : 'auto' }"><span style="color:#00D;font-weight:bold">5</span>.times <span style="color:#080;font-weight:bold">do</span>
puts <span style="background-color:hsla(0,100%,50%,0.1);color:#D20"><span style="color:#710">'</span><span style="">Hello, world!</span><span style="color:#710">'</span></span>
<span style="color:#080;font-weight:bold">end</span></pre></td>
</tr></table>
DIV
# output as standalone HTML page (using CSS classes)
page = CodeRay.scan('puts "Hello, world!"', :ruby).page
assert_equal <<-PAGE, page
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>CodeRay output</title>
<style type="text/css">
.CodeRay .line_numbers a, .CodeRay .no a {
text-decoration: inherit;
color: inherit;
}
.CodeRay {
background-color: #f8f8f8;
border: 1px solid silver;
font-family: 'Courier New', 'Terminal', monospace;
color: #000;
}
.CodeRay pre { margin: 0px; }
span.CodeRay { white-space: pre; border: 0px; padding: 2px; }
table.CodeRay { border-collapse: collapse; width: 100%; padding: 2px; }
table.CodeRay td { padding: 2px 4px; vertical-align: top; }
.CodeRay .line_numbers, .CodeRay .no {
background-color: #def;
color: gray;
text-align: right;
}
.CodeRay .line_numbers a:target, .CodeRay .no a:target { color: blue; }
.CodeRay .line_numbers .highlighted, .CodeRay .no .highlighted { color: red; }
.CodeRay .no { padding: 0px 4px; }
.CodeRay .code { width: 100%; }
.CodeRay .code pre { overflow: auto; }
.CodeRay .debug { color:white ! important; background:blue ! important; }
.CodeRay .an { color:#007 }
.CodeRay .at { color:#f08 }
.CodeRay .av { color:#700 }
.CodeRay .bi { color:#509; font-weight:bold }
.CodeRay .c { color:#888; }
.CodeRay .c .dl { color:#444; }
.CodeRay .c .ch { color:#444; }
.CodeRay .ch { color:#04D }
.CodeRay .ch .k { color:#04D }
.CodeRay .ch .dl { color:#039 }
.CodeRay .cl { color:#B06; font-weight:bold }
.CodeRay .cm { color:#A08; font-weight:bold }
.CodeRay .co { color:#036; font-weight:bold }
.CodeRay .cr { color:#0A0 }
.CodeRay .cv { color:#369 }
.CodeRay .de { color:#B0B; }
.CodeRay .df { color:#099; font-weight:bold }
.CodeRay .di { color:#088; font-weight:bold }
.CodeRay .dl { color:black }
.CodeRay .do { color:#970 }
.CodeRay .dt { color:#34b }
.CodeRay .ds { color:#D42; font-weight:bold }
.CodeRay .e { color:#666; font-weight:bold }
.CodeRay .en { color:#800; font-weight:bold }
.CodeRay .er { color:#F00; background-color:#FAA }
.CodeRay .ex { color:#C00; font-weight:bold }
.CodeRay .fl { color:#60E; font-weight:bold }
.CodeRay .fu { color:#06B; font-weight:bold }
.CodeRay .gv { color:#d70; font-weight:bold }
.CodeRay .hx { color:#058; font-weight:bold }
.CodeRay .i { color:#00D; font-weight:bold }
.CodeRay .ic { color:#B44; font-weight:bold }
.CodeRay .il { background-color: hsla(0,0%,0%,0.1); color: black }
.CodeRay .il .idl { font-weight: bold; color: #666 }
.CodeRay .idl { font-weight: bold; color: #666; }
.CodeRay .im { color:#f00; }
.CodeRay .in { color:#B2B; font-weight:bold }
.CodeRay .iv { color:#33B }
.CodeRay .la { color:#970; font-weight:bold }
.CodeRay .lv { color:#963 }
.CodeRay .ns { color:#707; font-weight:bold }
.CodeRay .oc { color:#40E; font-weight:bold }
.CodeRay .op { }
.CodeRay .pc { color:#058; font-weight:bold }
.CodeRay .pd { color:#369; font-weight:bold }
.CodeRay .pp { color:#579; }
.CodeRay .ps { color:#00C; font-weight:bold }
.CodeRay .pt { color:#074; font-weight:bold }
.CodeRay .r, .kw { color:#080; font-weight:bold }
.CodeRay .ke { color: #808; }
.CodeRay .ke .dl { color: #606; }
.CodeRay .ke .ch { color: #80f; }
.CodeRay .vl { color: #088; }
.CodeRay .rx { background-color:hsla(300,100%,50%,0.1); color:#808 }
.CodeRay .rx .k { }
.CodeRay .rx .dl { color:#404 }
.CodeRay .rx .mod { color:#C2C }
.CodeRay .rx .fu { color:#404; font-weight: bold }
.CodeRay .s { background-color:hsla(0,100%,50%,0.1); color: #D20; }
.CodeRay .s .k { }
.CodeRay .s .ch { color: #b0b; }
.CodeRay .s .dl { color: #710; }
.CodeRay .sh { background-color:hsla(120,100%,50%,0.1); color:#2B2 }
.CodeRay .sh .k { }
.CodeRay .sh .dl { color:#161 }
.CodeRay .sy { color:#A60 }
.CodeRay .sy .k { color:#A60 }
.CodeRay .sy .dl { color:#630 }
.CodeRay .ta { color:#070 }
.CodeRay .ts { color:#D70; font-weight:bold }
.CodeRay .ty { color:#339; font-weight:bold }
.CodeRay .v { color:#036 }
.CodeRay .xt { color:#444 }
.CodeRay .ins { background: #afa; }
.CodeRay .del { background: #faa; }
.CodeRay .chg { color: #aaf; background: #007; }
.CodeRay .head { color: #f8f; background: #505 }
.CodeRay .head .filename { color: white; }
.CodeRay .ins .ins { color: #080; font-weight:bold }
.CodeRay .del .del { color: #800; font-weight:bold }
.CodeRay .chg .chg { color: #66f; }
.CodeRay .head .head { color: #f4f; }
</style>
</head>
<body style="background-color: white;">
<table class="CodeRay"><tr>
<td class="line_numbers" title="double click to toggle" ondblclick="with (this.firstChild.style) { display = (display == '') ? 'none' : '' }"><pre>
</pre></td>
<td class="code"><pre ondblclick="with (this.style) { overflow = (overflow == 'auto' || overflow == '') ? 'visible' : 'auto' }">puts <span class="s"><span class="dl">"</span><span class="k">Hello, world!</span><span class="dl">"</span></span></pre></td>
</tr></table>
</body>
</html>
PAGE
# keep scanned tokens for later use
tokens = CodeRay.scan('{ "just": "an", "example": 42 }', :json)
assert_equal ["{", :operator, " ", :space, :begin_group, :key,
"\"", :delimiter, "just", :content, "\"", :delimiter,
:end_group, :key, ":", :operator, " ", :space,
:begin_group, :string, "\"", :delimiter, "an", :content,
"\"", :delimiter, :end_group, :string, ",", :operator,
" ", :space, :begin_group, :key, "\"", :delimiter,
"example", :content, "\"", :delimiter, :end_group, :key,
":", :operator, " ", :space, "42", :integer,
" ", :space, "}", :operator], tokens
# produce a token statistic
assert_equal <<-STATISTIC, tokens.statistic
Code Statistics
Tokens 26
Non-Whitespace 15
Bytes Total 31
Token Types (5):
type count ratio size (average)
-------------------------------------------------------------
TOTAL 26 100.00 % 1.2
delimiter 6 23.08 % 1.0
operator 5 19.23 % 1.0
space 5 19.23 % 1.0
begin_group 3 11.54 % 0.0
content 3 11.54 % 4.3
end_group 3 11.54 % 0.0
integer 1 3.85 % 2.0
STATISTIC
# count the tokens
assert_equal 26, tokens.count # => 26
# produce a HTML div, but with CSS classes
div = tokens.div(:css => :class)
assert_equal <<-DIV, div
<div class="CodeRay">
<div class="code"><pre>{ <span class="ke"><span class="dl">"</span><span class="k">just</span><span class="dl">"</span></span>: <span class="s"><span class="dl">"</span><span class="k">an</span><span class="dl">"</span></span>, <span class="ke"><span class="dl">"</span><span class="k">example</span><span class="dl">"</span></span>: <span class="i">42</span> }</pre></div>
</div>
DIV
# highlight a file (HTML div); guess the file type base on the extension
require 'coderay/helpers/file_type'
assert_equal :ruby, CodeRay::FileType[__FILE__]
# get a new scanner for Python
python_scanner = CodeRay.scanner :python
assert_kind_of CodeRay::Scanners::Python, python_scanner
# get a new encoder for terminal
terminal_encoder = CodeRay.encoder :term
assert_kind_of CodeRay::Encoders::Terminal, terminal_encoder
# scanning into tokens
tokens = python_scanner.tokenize 'import this; # The Zen of Python'
assert_equal ["import", :keyword, " ", :space, "this", :include,
";", :operator, " ", :space, "# The Zen of Python", :comment], tokens
# format the tokens
term = terminal_encoder.encode_tokens(tokens)
assert_equal "\e[1;31mimport\e[0m \e[33mthis\e[0m; \e[37m# The Zen of Python\e[0m", term
# re-using scanner and encoder
ruby_highlighter = CodeRay::Duo[:ruby, :div]
div = ruby_highlighter.encode('puts "Hello, world!"')
assert_equal <<-DIV, div
<div class="CodeRay">
<div class="code"><pre>puts <span style="background-color:hsla(0,100%,50%,0.1);color:#D20"><span style="color:#710">"</span><span style="">Hello, world!</span><span style="color:#710">"</span></span></pre></div>
</div>
DIV
end
end
|
