| # Copyright 2016 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| import unittest |
| |
| from webkitpy.common.html_diff import HtmlDiffGenerator, html_diff |
| |
| |
| class TestHtmlDiff(unittest.TestCase): |
| |
| def test_html_diff(self): |
| self.assertEqual( |
| html_diff('one\ntoo\nthree\n', 'one\ntwo\nthree\n'), |
| ('<html>\n' |
| '<head>\n' |
| '<style>\n' |
| 'table { white-space: pre-wrap; font-family: monospace; border-collapse: collapse; }\n' |
| 'th { color: #444; background: #eed; text-align: right; vertical-align: baseline; padding: 1px 4px 1px 4px; }\n' |
| '.del { background: #faa; }\n' |
| '.add { background: #afa; }\n' |
| '</style>\n' |
| '</head>\n' |
| '<body><table>' |
| '<tr><th>1<th>1<td>one\n</tr>' |
| '<tr><th>2<th><td class="del">too\n</tr>' |
| '<tr><th><th>2<td class="add">two\n</tr>' |
| '<tr><th>3<th>3<td>three\n</tr>' |
| '</table></body>\n' |
| '</html>\n')) |
| |
| def test_html_diff_same(self): |
| self.assertEqual( |
| HtmlDiffGenerator().generate_tbody(['one line\n'], ['one line\n']), |
| '<tr><th>1<th>1<td>one line\n</tr>') |
| self.assertEqual( |
| HtmlDiffGenerator().generate_tbody(['<script>\n'], ['<script>\n']), |
| '<tr><th>1<th>1<td><script>\n</tr>') |
| |
| def test_html_diff_delete(self): |
| self.assertEqual( |
| HtmlDiffGenerator().generate_tbody(['one line\n'], []), |
| '<tr><th>1<th><td class="del">one line\n</tr>') |
| self.assertEqual( |
| HtmlDiffGenerator().generate_tbody(['</pre>\n'], []), |
| '<tr><th>1<th><td class="del"></pre>\n</tr>') |
| |
| def test_html_diff_insert(self): |
| self.assertEqual( |
| HtmlDiffGenerator().generate_tbody([], ['one line\n']), |
| '<tr><th><th>1<td class="add">one line\n</tr>') |
| self.assertEqual( |
| HtmlDiffGenerator().generate_tbody([], ['<!--\n']), |
| '<tr><th><th>1<td class="add"><!--\n</tr>') |
| |
| def test_html_diff_ending_newline(self): |
| self.assertEqual( |
| HtmlDiffGenerator().generate_tbody(['one line'], ['one line\n']), |
| '<tr><th>1<th><td class="del">one line</tr><tr><th><th>1<td class="add">one line\n</tr>') |
| |
| def test_html_diff_replace_multiple_lines(self): |
| a_lines = [ |
| '1. Beautiful is better than ugly.\n', |
| '2. Explicit is better than implicit.\n', |
| '3. Simple is better than complex.\n', |
| '4. Complex is better than complicated.\n', |
| ] |
| b_lines = [ |
| '1. Beautiful is better than ugly.\n', |
| '3. Simple is better than complex.\n', |
| '4. Complicated is better than complex.\n', |
| '5. Flat is better than nested.\n', |
| ] |
| self.assertEqual(HtmlDiffGenerator().generate_tbody(a_lines, b_lines), ( |
| '<tr><th>1<th>1<td>1. Beautiful is better than ugly.\n</tr>' |
| '<tr><th>2<th><td class="del">2. Explicit is better than implicit.\n</tr>' |
| '<tr><th>3<th><td class="del">3. Simple is better than complex.\n</tr>' |
| '<tr><th>4<th><td class="del">4. Complex is better than complicated.\n</tr>' |
| '<tr><th><th>2<td class="add">3. Simple is better than complex.\n</tr>' |
| '<tr><th><th>3<td class="add">4. Complicated is better than complex.\n</tr>' |
| '<tr><th><th>4<td class="add">5. Flat is better than nested.\n</tr>')) |
| |
| def test_html_diff_context(self): |
| a_lines = [ |
| 'line1\n', |
| 'line2\n', |
| 'line3\n', |
| 'line4\n', |
| 'line5\n', |
| 'line6\n', |
| 'line7\n', |
| 'line8\n', |
| 'line9a\n', |
| 'line10\n', |
| 'line11\n', |
| 'line12\n', |
| 'line13\n', |
| 'line14\n', |
| 'line15a\n', |
| 'line16\n', |
| 'line17\n', |
| 'line18\n', |
| 'line19\n', |
| 'line20\n', |
| 'line21\n', |
| 'line22\n', |
| 'line23\n', |
| ] |
| b_lines = [ |
| 'line1\n', |
| 'line2\n', |
| 'line3\n', |
| 'line4\n', |
| 'line5\n', |
| 'line6\n', |
| 'line7\n', |
| 'line8\n', |
| 'line9b\n', |
| 'line10\n', |
| 'line11\n', |
| 'line12\n', |
| 'line13\n', |
| 'line14\n', |
| 'line15b\n', |
| 'line16\n', |
| 'line17\n', |
| 'line18\n', |
| 'line19\n', |
| 'line20\n', |
| 'line21\n', |
| 'line22\n', |
| 'line23\n', |
| ] |
| self.assertEqual(HtmlDiffGenerator().generate_tbody(a_lines, b_lines), ( |
| '<tr><td colspan=3>\n\n</tr>' |
| '<tr><th>6<th>6<td>line6\n</tr>' |
| '<tr><th>7<th>7<td>line7\n</tr>' |
| '<tr><th>8<th>8<td>line8\n</tr>' |
| '<tr><th>9<th><td class="del">line9a\n</tr>' |
| '<tr><th><th>9<td class="add">line9b\n</tr>' |
| '<tr><th>10<th>10<td>line10\n</tr>' |
| '<tr><th>11<th>11<td>line11\n</tr>' |
| '<tr><th>12<th>12<td>line12\n</tr>' |
| '<tr><th>13<th>13<td>line13\n</tr>' |
| '<tr><th>14<th>14<td>line14\n</tr>' |
| '<tr><th>15<th><td class="del">line15a\n</tr>' |
| '<tr><th><th>15<td class="add">line15b\n</tr>' |
| '<tr><th>16<th>16<td>line16\n</tr>' |
| '<tr><th>17<th>17<td>line17\n</tr>' |
| '<tr><th>18<th>18<td>line18\n</tr>' |
| '<tr><td colspan=3>\n\n</tr>')) |
| |
| def test_html_diff_context_at_edge(self): |
| a_lines = [ |
| 'line1\n', |
| 'line2\n', |
| 'line3\n', |
| 'line4\n', |
| 'line5\n', |
| 'line6\n', |
| 'line7\n', |
| 'line8\n', |
| ] |
| b_lines = [ |
| 'line0\n', |
| 'line1\n', |
| 'line2\n', |
| 'line3\n', |
| 'line4\n', |
| 'line5\n', |
| 'line6\n', |
| 'line7\n', |
| 'line8\n', |
| 'line9\n', |
| ] |
| self.assertEqual(HtmlDiffGenerator().generate_tbody(a_lines, b_lines), ( |
| '<tr><th><th>1<td class="add">line0\n</tr>' |
| '<tr><th>1<th>2<td>line1\n</tr>' |
| '<tr><th>2<th>3<td>line2\n</tr>' |
| '<tr><th>3<th>4<td>line3\n</tr>' |
| '<tr><td colspan=3>\n\n</tr>' |
| '<tr><th>6<th>7<td>line6\n</tr>' |
| '<tr><th>7<th>8<td>line7\n</tr>' |
| '<tr><th>8<th>9<td>line8\n</tr>' |
| '<tr><th><th>10<td class="add">line9\n</tr>')) |
