result=filter('<pre><code class="gnuplot">This is a test</code></pre>')
expect(result.to_html).toeq('<pre class="code highlight js-syntax-highlight plaintext" lang="plaintext" v-pre="true"><code>This is a test</code></pre>')
expect(result.to_html).toeq('<pre class="code highlight js-syntax-highlight plaintext" lang="plaintext" v-pre="true"><code><span id="LC1" class="line" lang="plaintext">This is a test</span></code></pre>')
code=%Q{-<span id="LC9" class="line"> <span class="k">raise</span> <span class="s2">"System commands must be given as an array of strings"</span></span>\n}
code=%Q{-<span id="LC9" class="line" lang="ruby"> <span class="k">raise</span> <span class="s2">"System commands must be given as an array of strings"</span></span>\n}
expect(subject[4].text).toeq(code)
end
it'highlights and marks added lines'do
code=%Q{+<span id="LC9" class="line"> <span class="k">raise</span> <span class="no"><span class='idiff left'>RuntimeError</span></span><span class="p"><span class='idiff'>,</span></span><span class='idiff right'> </span><span class="s2">"System commands must be given as an array of strings"</span></span>\n}
code=%Q{+<span id="LC9" class="line" lang="ruby"> <span class="k">raise</span> <span class="no"><span class='idiff left'>RuntimeError</span></span><span class="p"><span class='idiff'>,</span></span><span class='idiff right'> </span><span class="s2">"System commands must be given as an array of strings"</span></span>\n}