564 строки
21 KiB
Python
Executable File
564 строки
21 KiB
Python
Executable File
#!/usr/bin/python
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# Copyright 2015 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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# pylint: disable=protected-access
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import unittest
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from xml.etree import ElementTree
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import emma_coverage_stats
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from pylib.constants import host_paths
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with host_paths.SysPath(host_paths.PYMOCK_PATH):
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import mock # pylint: disable=import-error
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EMPTY_COVERAGE_STATS_DICT = {
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'files': {},
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'patch': {
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'incremental': {
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'covered': 0, 'total': 0
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}
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}
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}
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class _EmmaHtmlParserTest(unittest.TestCase):
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"""Tests for _EmmaHtmlParser.
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Uses modified EMMA report HTML that contains only the subset of tags needed
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for test verification.
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"""
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def setUp(self):
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self.emma_dir = 'fake/dir/'
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self.parser = emma_coverage_stats._EmmaHtmlParser(self.emma_dir)
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self.simple_html = '<TR><TD CLASS="p">Test HTML</TD></TR>'
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self.index_html = (
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'<HTML>'
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'<BODY>'
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'<TABLE CLASS="hdft" CELLSPACING="0" WIDTH="100%">'
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'</TABLE>'
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'<TABLE CELLSPACING="0" WIDTH="100%">'
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'</TABLE>'
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'<TABLE CLASS="it" CELLSPACING="0">'
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'</TABLE>'
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'<TABLE CELLSPACING="0" WIDTH="100%">'
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'<TR>'
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'<TH CLASS="f">name</TH>'
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'<TH>class, %</TH>'
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'<TH>method, %</TH>'
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'<TH>block, %</TH>'
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'<TH>line, %</TH>'
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'</TR>'
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'<TR CLASS="o">'
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'<TD><A HREF="_files/0.html"'
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'>org.chromium.chrome.browser</A></TD>'
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'<TD CLASS="h">0% (0/3)</TD>'
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'</TR>'
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'<TR>'
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'<TD><A HREF="_files/1.html"'
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'>org.chromium.chrome.browser.tabmodel</A></TD>'
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'<TD CLASS="h">0% (0/8)</TD>'
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'</TR>'
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'</TABLE>'
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'<TABLE CLASS="hdft" CELLSPACING="0" WIDTH="100%">'
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'</TABLE>'
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'</BODY>'
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'</HTML>'
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)
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self.package_1_class_list_html = (
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'<HTML>'
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'<BODY>'
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'<TABLE CLASS="hdft" CELLSPACING="0" WIDTH="100%">'
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'</TABLE>'
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'<TABLE CELLSPACING="0" WIDTH="100%">'
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'</TABLE>'
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'<TABLE CELLSPACING="0" WIDTH="100%">'
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'<TR>'
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'<TH CLASS="f">name</TH>'
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'<TH>class, %</TH>'
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'<TH>method, %</TH>'
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'<TH>block, %</TH>'
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'<TH>line, %</TH>'
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'</TR>'
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'<TR CLASS="o">'
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'<TD><A HREF="1e.html">IntentHelper.java</A></TD>'
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'<TD CLASS="h">0% (0/3)</TD>'
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'<TD CLASS="h">0% (0/9)</TD>'
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'<TD CLASS="h">0% (0/97)</TD>'
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'<TD CLASS="h">0% (0/26)</TD>'
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'</TR>'
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'</TABLE>'
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'<TABLE CLASS="hdft" CELLSPACING="0" WIDTH="100%">'
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'</TABLE>'
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'</BODY>'
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'</HTML>'
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)
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self.package_2_class_list_html = (
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'<HTML>'
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'<BODY>'
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'<TABLE CLASS="hdft" CELLSPACING="0" WIDTH="100%">'
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'</TABLE>'
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'<TABLE CELLSPACING="0" WIDTH="100%">'
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'</TABLE>'
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'<TABLE CELLSPACING="0" WIDTH="100%">'
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'<TR>'
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'<TH CLASS="f">name</TH>'
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'<TH>class, %</TH>'
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'<TH>method, %</TH>'
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'<TH>block, %</TH>'
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'<TH>line, %</TH>'
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'</TR>'
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'<TR CLASS="o">'
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'<TD><A HREF="1f.html">ContentSetting.java</A></TD>'
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'<TD CLASS="h">0% (0/1)</TD>'
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'</TR>'
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'<TR>'
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'<TD><A HREF="20.html">DevToolsServer.java</A></TD>'
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'</TR>'
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'<TR CLASS="o">'
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'<TD><A HREF="21.html">FileProviderHelper.java</A></TD>'
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'</TR>'
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'<TR>'
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'<TD><A HREF="22.html">ContextualMenuBar.java</A></TD>'
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'</TR>'
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'<TR CLASS="o">'
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'<TD><A HREF="23.html">AccessibilityUtil.java</A></TD>'
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'</TR>'
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'<TR>'
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'<TD><A HREF="24.html">NavigationPopup.java</A></TD>'
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'</TR>'
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'</TABLE>'
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'<TABLE CLASS="hdft" CELLSPACING="0" WIDTH="100%">'
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'</TABLE>'
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'</BODY>'
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'</HTML>'
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)
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self.partially_covered_tr_html = (
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'<TR CLASS="p">'
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'<TD CLASS="l" TITLE="78% line coverage (7 out of 9)">108</TD>'
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'<TD TITLE="78% line coverage (7 out of 9 instructions)">'
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'if (index < 0 || index = mSelectors.size()) index = 0;</TD>'
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'</TR>'
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)
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self.covered_tr_html = (
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'<TR CLASS="c">'
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'<TD CLASS="l">110</TD>'
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'<TD> if (mSelectors.get(index) != null) {</TD>'
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'</TR>'
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)
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self.not_executable_tr_html = (
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'<TR>'
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'<TD CLASS="l">109</TD>'
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'<TD> </TD>'
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'</TR>'
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)
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self.tr_with_extra_a_tag = (
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'<TR CLASS="z">'
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'<TD CLASS="l">'
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'<A name="1f">54</A>'
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'</TD>'
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'<TD> }</TD>'
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'</TR>'
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)
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def testInit(self):
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emma_dir = self.emma_dir
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parser = emma_coverage_stats._EmmaHtmlParser(emma_dir)
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self.assertEqual(parser._base_dir, emma_dir)
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self.assertEqual(parser._emma_files_path, 'fake/dir/_files')
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self.assertEqual(parser._index_path, 'fake/dir/index.html')
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def testFindElements_basic(self):
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read_values = [self.simple_html]
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found, _ = MockOpenForFunction(self.parser._FindElements, read_values,
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file_path='fake', xpath_selector='.//TD')
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self.assertIs(type(found), list)
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self.assertIs(type(found[0]), ElementTree.Element)
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self.assertEqual(found[0].text, 'Test HTML')
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def testFindElements_multipleElements(self):
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multiple_trs = self.not_executable_tr_html + self.covered_tr_html
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read_values = ['<div>' + multiple_trs + '</div>']
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found, _ = MockOpenForFunction(self.parser._FindElements, read_values,
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file_path='fake', xpath_selector='.//TR')
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self.assertEquals(2, len(found))
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def testFindElements_noMatch(self):
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read_values = [self.simple_html]
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found, _ = MockOpenForFunction(self.parser._FindElements, read_values,
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file_path='fake', xpath_selector='.//TR')
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self.assertEqual(found, [])
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def testFindElements_badFilePath(self):
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with self.assertRaises(IOError):
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with mock.patch('os.path.exists', return_value=False):
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self.parser._FindElements('fake', xpath_selector='//tr')
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def testGetPackageNameToEmmaFileDict_basic(self):
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expected_dict = {
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'org.chromium.chrome.browser.AccessibilityUtil.java':
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'fake/dir/_files/23.html',
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'org.chromium.chrome.browser.ContextualMenuBar.java':
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'fake/dir/_files/22.html',
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'org.chromium.chrome.browser.tabmodel.IntentHelper.java':
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'fake/dir/_files/1e.html',
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'org.chromium.chrome.browser.ContentSetting.java':
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'fake/dir/_files/1f.html',
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'org.chromium.chrome.browser.DevToolsServer.java':
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'fake/dir/_files/20.html',
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'org.chromium.chrome.browser.NavigationPopup.java':
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'fake/dir/_files/24.html',
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'org.chromium.chrome.browser.FileProviderHelper.java':
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'fake/dir/_files/21.html'}
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read_values = [self.index_html, self.package_1_class_list_html,
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self.package_2_class_list_html]
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return_dict, mock_open = MockOpenForFunction(
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self.parser.GetPackageNameToEmmaFileDict, read_values)
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self.assertDictEqual(return_dict, expected_dict)
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self.assertEqual(mock_open.call_count, 3)
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calls = [mock.call('fake/dir/index.html'),
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mock.call('fake/dir/_files/1.html'),
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mock.call('fake/dir/_files/0.html')]
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mock_open.assert_has_calls(calls)
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def testGetPackageNameToEmmaFileDict_noPackageElements(self):
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self.parser._FindElements = mock.Mock(return_value=[])
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return_dict = self.parser.GetPackageNameToEmmaFileDict()
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self.assertDictEqual({}, return_dict)
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def testGetLineCoverage_status_basic(self):
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line_coverage = self.GetLineCoverageWithFakeElements([self.covered_tr_html])
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self.assertEqual(line_coverage[0].covered_status,
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emma_coverage_stats.COVERED)
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def testGetLineCoverage_status_statusMissing(self):
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line_coverage = self.GetLineCoverageWithFakeElements(
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[self.not_executable_tr_html])
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self.assertEqual(line_coverage[0].covered_status,
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emma_coverage_stats.NOT_EXECUTABLE)
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def testGetLineCoverage_fractionalCoverage_basic(self):
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line_coverage = self.GetLineCoverageWithFakeElements([self.covered_tr_html])
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self.assertEqual(line_coverage[0].fractional_line_coverage, 1.0)
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def testGetLineCoverage_fractionalCoverage_partial(self):
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line_coverage = self.GetLineCoverageWithFakeElements(
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[self.partially_covered_tr_html])
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self.assertEqual(line_coverage[0].fractional_line_coverage, 0.78)
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def testGetLineCoverage_lineno_basic(self):
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line_coverage = self.GetLineCoverageWithFakeElements([self.covered_tr_html])
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self.assertEqual(line_coverage[0].lineno, 110)
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def testGetLineCoverage_lineno_withAlternativeHtml(self):
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line_coverage = self.GetLineCoverageWithFakeElements(
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[self.tr_with_extra_a_tag])
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self.assertEqual(line_coverage[0].lineno, 54)
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def testGetLineCoverage_source(self):
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self.parser._FindElements = mock.Mock(
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return_value=[ElementTree.fromstring(self.covered_tr_html)])
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line_coverage = self.parser.GetLineCoverage('fake_path')
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self.assertEqual(line_coverage[0].source,
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' if (mSelectors.get(index) != null) {')
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def testGetLineCoverage_multipleElements(self):
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line_coverage = self.GetLineCoverageWithFakeElements(
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[self.covered_tr_html, self.partially_covered_tr_html,
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self.tr_with_extra_a_tag])
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self.assertEqual(len(line_coverage), 3)
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def GetLineCoverageWithFakeElements(self, html_elements):
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"""Wraps GetLineCoverage so mock HTML can easily be used.
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Args:
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html_elements: List of strings each representing an HTML element.
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Returns:
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A list of LineCoverage objects.
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"""
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elements = [ElementTree.fromstring(string) for string in html_elements]
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with mock.patch('emma_coverage_stats._EmmaHtmlParser._FindElements',
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return_value=elements):
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return self.parser.GetLineCoverage('fake_path')
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class _EmmaCoverageStatsTest(unittest.TestCase):
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"""Tests for _EmmaCoverageStats."""
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def setUp(self):
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self.good_source_to_emma = {
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'/path/to/1/File1.java': '/emma/1.html',
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'/path/2/File2.java': '/emma/2.html',
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'/path/2/File3.java': '/emma/3.html'
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}
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self.line_coverage = [
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emma_coverage_stats.LineCoverage(
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1, '', emma_coverage_stats.COVERED, 1.0),
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emma_coverage_stats.LineCoverage(
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2, '', emma_coverage_stats.COVERED, 1.0),
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emma_coverage_stats.LineCoverage(
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3, '', emma_coverage_stats.NOT_EXECUTABLE, 1.0),
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emma_coverage_stats.LineCoverage(
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4, '', emma_coverage_stats.NOT_COVERED, 1.0),
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emma_coverage_stats.LineCoverage(
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5, '', emma_coverage_stats.PARTIALLY_COVERED, 0.85),
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emma_coverage_stats.LineCoverage(
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6, '', emma_coverage_stats.PARTIALLY_COVERED, 0.20)
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]
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self.lines_for_coverage = [1, 3, 5, 6]
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with mock.patch('emma_coverage_stats._EmmaHtmlParser._FindElements',
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return_value=[]):
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self.simple_coverage = emma_coverage_stats._EmmaCoverageStats(
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'fake_dir', {})
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def testInit(self):
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coverage_stats = self.simple_coverage
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self.assertIsInstance(coverage_stats._emma_parser,
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emma_coverage_stats._EmmaHtmlParser)
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self.assertIsInstance(coverage_stats._source_to_emma, dict)
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def testNeedsCoverage_withExistingJavaFile(self):
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test_file = '/path/to/file/File.java'
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with mock.patch('os.path.exists', return_value=True):
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self.assertTrue(
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emma_coverage_stats._EmmaCoverageStats.NeedsCoverage(test_file))
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def testNeedsCoverage_withNonJavaFile(self):
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test_file = '/path/to/file/File.c'
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with mock.patch('os.path.exists', return_value=True):
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self.assertFalse(
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emma_coverage_stats._EmmaCoverageStats.NeedsCoverage(test_file))
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def testNeedsCoverage_fileDoesNotExist(self):
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test_file = '/path/to/file/File.java'
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with mock.patch('os.path.exists', return_value=False):
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self.assertFalse(
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emma_coverage_stats._EmmaCoverageStats.NeedsCoverage(test_file))
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def testGetPackageNameFromFile_basic(self):
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test_file_text = """// Test Copyright
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package org.chromium.chrome.browser;
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import android.graphics.RectF;"""
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result_package, _ = MockOpenForFunction(
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emma_coverage_stats._EmmaCoverageStats.GetPackageNameFromFile,
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[test_file_text], file_path='/path/to/file/File.java')
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self.assertEqual(result_package, 'org.chromium.chrome.browser.File.java')
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def testGetPackageNameFromFile_noPackageStatement(self):
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result_package, _ = MockOpenForFunction(
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emma_coverage_stats._EmmaCoverageStats.GetPackageNameFromFile,
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['not a package statement'], file_path='/path/to/file/File.java')
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self.assertIsNone(result_package)
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def testGetSummaryStatsForLines_basic(self):
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covered, total = self.simple_coverage.GetSummaryStatsForLines(
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self.line_coverage)
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self.assertEqual(covered, 3.05)
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self.assertEqual(total, 5)
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def testGetSourceFileToEmmaFileDict(self):
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package_names = {
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'/path/to/1/File1.java': 'org.fake.one.File1.java',
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'/path/2/File2.java': 'org.fake.File2.java',
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'/path/2/File3.java': 'org.fake.File3.java'
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}
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package_to_emma = {
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'org.fake.one.File1.java': '/emma/1.html',
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'org.fake.File2.java': '/emma/2.html',
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'org.fake.File3.java': '/emma/3.html'
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}
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with mock.patch('os.path.exists', return_value=True):
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coverage_stats = self.simple_coverage
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coverage_stats._emma_parser.GetPackageNameToEmmaFileDict = mock.MagicMock(
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return_value=package_to_emma)
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coverage_stats.GetPackageNameFromFile = lambda x: package_names[x]
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result_dict = coverage_stats._GetSourceFileToEmmaFileDict(
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package_names.keys())
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self.assertDictEqual(result_dict, self.good_source_to_emma)
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def testGetCoverageDictForFile(self):
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line_coverage = self.line_coverage
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self.simple_coverage._emma_parser.GetLineCoverage = lambda x: line_coverage
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self.simple_coverage._source_to_emma = {'/fake/src': 'fake/emma'}
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lines = self.lines_for_coverage
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expected_dict = {
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'absolute': {
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'covered': 3.05,
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'total': 5
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},
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'incremental': {
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'covered': 2.05,
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'total': 3
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},
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'source': [
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{
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'line': line_coverage[0].source,
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'coverage': line_coverage[0].covered_status,
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'changed': True,
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'fractional_coverage': line_coverage[0].fractional_line_coverage,
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},
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{
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'line': line_coverage[1].source,
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'coverage': line_coverage[1].covered_status,
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'changed': False,
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'fractional_coverage': line_coverage[1].fractional_line_coverage,
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},
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{
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'line': line_coverage[2].source,
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'coverage': line_coverage[2].covered_status,
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'changed': True,
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'fractional_coverage': line_coverage[2].fractional_line_coverage,
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},
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{
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'line': line_coverage[3].source,
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'coverage': line_coverage[3].covered_status,
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'changed': False,
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'fractional_coverage': line_coverage[3].fractional_line_coverage,
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},
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{
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'line': line_coverage[4].source,
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'coverage': line_coverage[4].covered_status,
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'changed': True,
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'fractional_coverage': line_coverage[4].fractional_line_coverage,
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},
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{
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'line': line_coverage[5].source,
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'coverage': line_coverage[5].covered_status,
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'changed': True,
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'fractional_coverage': line_coverage[5].fractional_line_coverage,
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}
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]
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}
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result_dict = self.simple_coverage.GetCoverageDictForFile(
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'/fake/src', lines)
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self.assertDictEqual(result_dict, expected_dict)
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def testGetCoverageDictForFile_emptyCoverage(self):
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expected_dict = {
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'absolute': {'covered': 0, 'total': 0},
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|
'incremental': {'covered': 0, 'total': 0},
|
|
'source': []
|
|
}
|
|
self.simple_coverage._emma_parser.GetLineCoverage = lambda x: []
|
|
self.simple_coverage._source_to_emma = {'fake_dir': 'fake/emma'}
|
|
result_dict = self.simple_coverage.GetCoverageDictForFile('fake_dir', {})
|
|
self.assertDictEqual(result_dict, expected_dict)
|
|
|
|
def testGetCoverageDictForFile_missingCoverage(self):
|
|
self.simple_coverage._source_to_emma = {}
|
|
result_dict = self.simple_coverage.GetCoverageDictForFile('fake_file', {})
|
|
self.assertIsNone(result_dict)
|
|
|
|
def testGetCoverageDict_basic(self):
|
|
files_for_coverage = {
|
|
'/path/to/1/File1.java': [1, 3, 4],
|
|
'/path/2/File2.java': [1, 2]
|
|
}
|
|
self.simple_coverage._source_to_emma = {
|
|
'/path/to/1/File1.java': 'emma_1',
|
|
'/path/2/File2.java': 'emma_2'
|
|
}
|
|
coverage_info = {
|
|
'emma_1': [
|
|
emma_coverage_stats.LineCoverage(
|
|
1, '', emma_coverage_stats.COVERED, 1.0),
|
|
emma_coverage_stats.LineCoverage(
|
|
2, '', emma_coverage_stats.PARTIALLY_COVERED, 0.5),
|
|
emma_coverage_stats.LineCoverage(
|
|
3, '', emma_coverage_stats.NOT_EXECUTABLE, 1.0),
|
|
emma_coverage_stats.LineCoverage(
|
|
4, '', emma_coverage_stats.COVERED, 1.0)
|
|
],
|
|
'emma_2': [
|
|
emma_coverage_stats.LineCoverage(
|
|
1, '', emma_coverage_stats.NOT_COVERED, 1.0),
|
|
emma_coverage_stats.LineCoverage(
|
|
2, '', emma_coverage_stats.COVERED, 1.0)
|
|
]
|
|
}
|
|
expected_dict = {
|
|
'files': {
|
|
'/path/2/File2.java': {
|
|
'absolute': {'covered': 1, 'total': 2},
|
|
'incremental': {'covered': 1, 'total': 2},
|
|
'source': [{'changed': True, 'coverage': 0,
|
|
'line': '', 'fractional_coverage': 1.0},
|
|
{'changed': True, 'coverage': 1,
|
|
'line': '', 'fractional_coverage': 1.0}]
|
|
},
|
|
'/path/to/1/File1.java': {
|
|
'absolute': {'covered': 2.5, 'total': 3},
|
|
'incremental': {'covered': 2, 'total': 2},
|
|
'source': [{'changed': True, 'coverage': 1,
|
|
'line': '', 'fractional_coverage': 1.0},
|
|
{'changed': False, 'coverage': 2,
|
|
'line': '', 'fractional_coverage': 0.5},
|
|
{'changed': True, 'coverage': -1,
|
|
'line': '', 'fractional_coverage': 1.0},
|
|
{'changed': True, 'coverage': 1,
|
|
'line': '', 'fractional_coverage': 1.0}]
|
|
}
|
|
},
|
|
'patch': {'incremental': {'covered': 3, 'total': 4}}
|
|
}
|
|
# Return the relevant coverage info for each file.
|
|
self.simple_coverage._emma_parser.GetLineCoverage = (
|
|
lambda x: coverage_info[x])
|
|
result_dict = self.simple_coverage.GetCoverageDict(files_for_coverage)
|
|
self.assertDictEqual(result_dict, expected_dict)
|
|
|
|
def testGetCoverageDict_noCoverage(self):
|
|
result_dict = self.simple_coverage.GetCoverageDict({})
|
|
self.assertDictEqual(result_dict, EMPTY_COVERAGE_STATS_DICT)
|
|
|
|
|
|
class EmmaCoverageStatsGenerateCoverageReport(unittest.TestCase):
|
|
"""Tests for GenerateCoverageReport."""
|
|
|
|
def testGenerateCoverageReport_missingJsonFile(self):
|
|
with self.assertRaises(IOError):
|
|
with mock.patch('os.path.exists', return_value=False):
|
|
emma_coverage_stats.GenerateCoverageReport('', '', '')
|
|
|
|
def testGenerateCoverageReport_invalidJsonFile(self):
|
|
with self.assertRaises(ValueError):
|
|
with mock.patch('os.path.exists', return_value=True):
|
|
MockOpenForFunction(emma_coverage_stats.GenerateCoverageReport, [''],
|
|
line_coverage_file='', out_file_path='',
|
|
coverage_dir='')
|
|
|
|
|
|
def MockOpenForFunction(func, side_effects, **kwargs):
|
|
"""Allows easy mock open and read for callables that open multiple files.
|
|
|
|
Will mock the python open function in a way such that each time read() is
|
|
called on an open file, the next element in |side_effects| is returned. This
|
|
makes it easier to test functions that call open() multiple times.
|
|
|
|
Args:
|
|
func: The callable to invoke once mock files are setup.
|
|
side_effects: A list of return values for each file to return once read.
|
|
Length of list should be equal to the number calls to open in |func|.
|
|
**kwargs: Keyword arguments to be passed to |func|.
|
|
|
|
Returns:
|
|
A tuple containing the return value of |func| and the MagicMock object used
|
|
to mock all calls to open respectively.
|
|
"""
|
|
mock_open = mock.mock_open()
|
|
mock_open.side_effect = [mock.mock_open(read_data=side_effect).return_value
|
|
for side_effect in side_effects]
|
|
with mock.patch('__builtin__.open', mock_open):
|
|
return func(**kwargs), mock_open
|
|
|
|
|
|
if __name__ == '__main__':
|
|
# Suppress logging messages.
|
|
unittest.main(buffer=True)
|