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# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
import unittest
from allura.lib.diff import HtmlSideBySideDiff
class TestHtmlSideBySideDiff(unittest.TestCase):
def setUp(self):
self.diff = HtmlSideBySideDiff()
def test_render_change(self):
html = self.diff._render_change(
'aline', 'aline <span class="diff-add">bline</span>',
1, 2,'aclass', 'bclass')
expected = '''
<tr>
<td class="lineno">1</td>
<td class="aclass"><pre>aline</pre></td>
<td class="lineno">2</td>
<td class="bclass"><pre>aline <span class="diff-add">bline</span></pre></td>
</tr>'''.strip()
self.assertEqual(html, expected)
def test_render_change_default_args(self):
html = self.diff._render_change('aline', 'bline')
expected = '''
<tr>
<td class="lineno"></td>
<td><pre>aline</pre></td>
<td class="lineno"></td>
<td><pre>bline</pre></td>
</tr>'''.strip()
self.assertEqual(html, expected)
def test_preprocess(self):
d = self.diff
self.assertEquals(d._preprocess(None), None)
self.assertEquals(d._preprocess('<br> '), '<br>&nbsp;')
self.assertEquals(d._preprocess('\ttabbed'), ' tabbed')
# test non default tab size
d = HtmlSideBySideDiff(2)
self.assertEquals(d._preprocess('\ttabbed'), ' tabbed')
def test_replace_marks(self):
line, flag = self.diff._replace_marks('\0+line added\1')
self.assertEquals(line, 'line added')
self.assertEquals(flag, 'diff-add')
line, flag = self.diff._replace_marks('\0-line removed\1')
self.assertEquals(line, 'line removed')
self.assertEquals(flag, 'diff-rem')
line, flag = self.diff._replace_marks('\0^line changed\1')
self.assertEquals(line, '<span class="diff-chg">line changed</span>')
self.assertEquals(flag, 'diff-chg')
line, flag = self.diff._replace_marks('chunk \0+add\1ed')
self.assertEquals(line, 'chunk <span class="diff-add">add</span>ed')
self.assertEquals(flag, 'diff-chg')
line, flag = self.diff._replace_marks('chunk \0-remov\1ed')
self.assertEquals(line, 'chunk <span class="diff-rem">remov</span>ed')
self.assertEquals(flag, 'diff-chg')
line, flag = self.diff._replace_marks('chunk \0^chang\1ed')
self.assertEquals(line, 'chunk <span class="diff-chg">chang</span>ed')
self.assertEquals(flag, 'diff-chg')
def test_make_line(self):
# context separation
d = (None, None, None)
expected = '''
<tr>
<td class="lineno"></td>
<td class="diff-gap"><pre>...</pre></td>
<td class="lineno"></td>
<td class="diff-gap"><pre>...</pre></td>
</tr>'''.strip()
self.assertEquals(self.diff._make_line(d), expected)
# no change
d = ((1, 'aline'), (1, 'aline'), False)
expected = '''
<tr>
<td class="lineno">1</td>
<td><pre>aline</pre></td>
<td class="lineno">1</td>
<td><pre>aline</pre></td>
</tr>'''.strip()
self.assertEquals(self.diff._make_line(d), expected)
# has change
d = ((1, '\0^a\1line'), (1, '\0^b\1line'), True)
expected = '''
<tr>
<td class="lineno">1</td>
<td class="diff-chg"><pre><span class="diff-chg">a</span>line</pre></td>
<td class="lineno">1</td>
<td class="diff-chg"><pre><span class="diff-chg">b</span>line</pre></td>
</tr>'''.strip()
self.assertEquals(self.diff._make_line(d), expected)
def test_make_table(self):
a = 'line 1\nline 2'.split('\n')
b = 'changed line 1\nchanged line 2'.split('\n')
expected = '''
<table class="side-by-side-diff">
<thead>
<th class="lineno"></th>
<th>file a</th>
<th class="lineno"></th>
<th>file b</th>
</thead>
<tr>
<td class="lineno">1</td>
<td class="diff-rem"><pre>line 1</pre></td>
<td class="lineno">1</td>
<td class="diff-add"><pre>changed line 1</pre></td>
</tr>
<tr>
<td class="lineno">2</td>
<td class="diff-rem"><pre>line 2</pre></td>
<td class="lineno">2</td>
<td class="diff-add"><pre>changed line 2</pre></td>
</tr>
</table>
'''.strip()
html = self.diff.make_table(a, b, 'file a', 'file b')
self.assertEquals(html, expected)