|
|
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<title>Mu - 090scenario_filesystem_test.mu</title>
<meta name="Generator" content="Vim/7.4">
<meta name="plugin-version" content="vim7.4_v2">
<meta name="syntax" content="none">
<meta name="settings" content="use_css,pre_wrap,no_foldcolumn,expand_tabs,prevent_copy=">
<meta name="colorscheme" content="minimal">
<style type="text/css">
<!--
pre { white-space: pre-wrap; font-family: monospace; color: #eeeeee; background-color: #080808; }
body { font-size: 12pt; font-family: monospace; color: #eeeeee; background-color: #080808; }
* { font-size: 12pt; font-size: 1em; }
.Delimiter { color: #800080; }
.muControl { color: #c0a020; }
.Comment { color: #9090ff; }
.Constant { color: #00a0a0; }
.Special { color: #c00000; }
.muRecipe { color: #ff8700; }
.muScenario { color: #00af00; }
-->
</style>
<script type='text/javascript'>
<!--
-->
</script>
</head>
<body>
<pre id='vimCodeElement'>
<span class="Comment"># Check our support for fake file systems in scenarios.</span>
<span class="muScenario">scenario</span> read-from-fake-file [
<span class="Constant">local-scope</span>
assume-filesystem [
<span class="Constant">[a]</span><span class="Special"> <- </span>[
<span class="Constant"> |xyz|</span>
]
]
contents:&:source:char<span class="Special"> <- </span>start-reading filesystem:&:filesystem, <span class="Constant">[a]</span>
<span class="Constant">1</span>:char/<span class="Special">raw <- </span>read contents
<span class="Constant">2</span>:char/<span class="Special">raw <- </span>read contents
<span class="Constant">3</span>:char/<span class="Special">raw <- </span>read contents
<span class="Constant">4</span>:char/<span class="Special">raw <- </span>read contents
_, <span class="Constant">5</span>:bool/<span class="Special">raw <- </span>read contents
memory-should-contain [
<span class="Constant">1</span><span class="Special"> <- </span><span class="Constant">120</span> <span class="Comment"># x</span>
<span class="Constant">2</span><span class="Special"> <- </span><span class="Constant">121</span> <span class="Comment"># y</span>
<span class="Constant">3</span><span class="Special"> <- </span><span class="Constant">122</span> <span class="Comment"># z</span>
<span class="Constant">4</span><span class="Special"> <- </span><span class="Constant">10</span> <span class="Comment"># newline</span>
<span class="Constant">5</span><span class="Special"> <- </span><span class="Constant">1</span> <span class="Comment"># eof</span>
]
]
<span class="muScenario">scenario</span> write-to-fake-file [
<span class="Constant">local-scope</span>
assume-filesystem [
]
sink:&:sink:char, writer:num/routine<span class="Special"> <- </span>start-writing filesystem:&:filesystem, <span class="Constant">[a]</span>
sink<span class="Special"> <- </span>write sink, <span class="Constant">120/x</span>
sink<span class="Special"> <- </span>write sink, <span class="Constant">121/y</span>
close sink
wait-for-routine writer
contents-read-back:text<span class="Special"> <- </span>slurp filesystem, <span class="Constant">[a]</span>
<span class="Constant">10</span>:bool/<span class="Special">raw <- </span>equal contents-read-back, <span class="Constant">[xy]</span>
memory-should-contain [
<span class="Constant">10</span><span class="Special"> <- </span><span class="Constant">1</span> <span class="Comment"># file contents read back exactly match what was written</span>
]
]
<span class="muScenario">scenario</span> write-to-fake-file-that-exists [
<span class="Constant">local-scope</span>
assume-filesystem [
<span class="Constant">[a]</span><span class="Special"> <- </span><span class="Constant">[]</span>
]
sink:&:sink:char, writer:num/routine<span class="Special"> <- </span>start-writing filesystem:&:filesystem, <span class="Constant">[a]</span>
sink<span class="Special"> <- </span>write sink, <span class="Constant">120/x</span>
sink<span class="Special"> <- </span>write sink, <span class="Constant">121/y</span>
close sink
wait-for-routine writer
contents-read-back:text<span class="Special"> <- </span>slurp filesystem, <span class="Constant">[a]</span>
<span class="Constant">10</span>:bool/<span class="Special">raw <- </span>equal contents-read-back, <span class="Constant">[xy]</span>
memory-should-contain [
<span class="Constant">10</span><span class="Special"> <- </span><span class="Constant">1</span> <span class="Comment"># file contents read back exactly match what was written</span>
]
]
<span class="muScenario">scenario</span> write-to-existing-file-preserves-other-files [
<span class="Constant">local-scope</span>
assume-filesystem [
<span class="Constant">[a]</span><span class="Special"> <- </span><span class="Constant">[]</span>
<span class="Constant">[b]</span><span class="Special"> <- </span>[
<span class="Constant"> |bcd|</span>
]
]
sink:&:sink:char, writer:num/routine<span class="Special"> <- </span>start-writing filesystem:&:filesystem, <span class="Constant">[a]</span>
sink<span class="Special"> <- </span>write sink, <span class="Constant">120/x</span>
sink<span class="Special"> <- </span>write sink, <span class="Constant">121/y</span>
close sink
wait-for-routine writer
contents-read-back:text<span class="Special"> <- </span>slurp filesystem, <span class="Constant">[a]</span>
<span class="Constant">10</span>:bool/<span class="Special">raw <- </span>equal contents-read-back, <span class="Constant">[xy]</span>
other-file-contents:text<span class="Special"> <- </span>slurp filesystem, <span class="Constant">[b]</span>
<span class="Constant">11</span>:bool/<span class="Special">raw <- </span>equal other-file-contents, <span class="Constant">[bcd</span>
<span class="Constant">]</span>
memory-should-contain [
<span class="Constant">10</span><span class="Special"> <- </span><span class="Constant">1</span> <span class="Comment"># file contents read back exactly match what was written</span>
<span class="Constant">11</span><span class="Special"> <- </span><span class="Constant">1</span> <span class="Comment"># other files also continue to persist unchanged</span>
]
]
<span class="muRecipe">def</span> slurp fs:&:filesystem, filename:text<span class="muRecipe"> -> </span>contents:text [
<span class="Constant">local-scope</span>
<span class="Constant">load-ingredients</span>
source:&:source:char<span class="Special"> <- </span>start-reading fs, filename
buf:&:buffer<span class="Special"> <- </span>new-buffer <span class="Constant">30/capacity</span>
<span class="Delimiter">{</span>
c:char, done?:bool, source<span class="Special"> <- </span>read source
<span class="muControl">break-if</span> done?
buf<span class="Special"> <- </span>append buf, c
<span class="muControl">loop</span>
<span class="Delimiter">}</span>
contents<span class="Special"> <- </span>buffer-to-array buf
]
</pre>
</body>
</html>
<!-- vim: set foldmethod=manual : -->
|