mzeidler
parent
10e267b7b6
commit
76273c3674
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"""
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Tested with coverage 2.85 and pygments 1.0
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TODO:
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+ 'html-output/*,cover' should be deleted
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+ credits for coverage
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+ credits for pygments
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+ 'Install pygments' after ImportError is to less
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+ is the way of determining DIR_CSS_RESOURCE ok?
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+ write plugin test
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+ '.coverage' still exists in py.test execution dir
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"""
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import os
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import sys
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import re
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import shutil
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from StringIO import StringIO
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import py
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try:
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from pygments import highlight
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from pygments.lexers import get_lexer_by_name
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from pygments.formatters import HtmlFormatter
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except ImportError:
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print "Install pygments" # XXX
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sys.exit(0)
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DIR_CUR = str(py.path.local())
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REPORT_FILE = os.path.join(DIR_CUR, '.coverage')
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DIR_ANNOTATE_OUTPUT = os.path.join(DIR_CUR, '.coverage_annotate')
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COVERAGE_MODULES = set()
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# coverage output parsing
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REG_COVERAGE_SUMMARY = re.compile('([a-z_\.]+) +([0-9]+) +([0-9]+) +([0-9]+%)')
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REG_COVERAGE_SUMMARY_TOTAL = re.compile('(TOTAL) +([0-9]+) +([0-9]+) +([0-9]+%)')
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DEFAULT_COVERAGE_OUTPUT = '.coverage_annotation'
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# HTML output specific
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DIR_CSS_RESOURCE = os.path.dirname(__import__('pytest_coverage').__file__)
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CSS_RESOURCE_FILES = ['header_bg.jpg', 'links.gif']
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COVERAGE_TERM_HEADER = "\nCOVERAGE INFORMATION\n" \
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"====================\n"
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HTML_INDEX_HEADER = '''<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<title>py.test - Coverage Index</title>
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<style type="text/css">
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table {
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font-size:0.9em;
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font-family: Arial, Helvetica, verdana sans-serif;
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background-color:#fff;
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border-collapse: collapse;
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width: 500px;
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}
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caption {
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font-size: 25px;
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color: #1ba6b2;
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font-weight: bold;
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text-align: left;
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background: url(header_bg.jpg) no-repeat top left;
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padding: 10px;
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margin-bottom: 2px;
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}
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thead th {
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border-right: 1px solid #fff;
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color:#fff;
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text-align:center;
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padding:2px;
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text-transform:uppercase;
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height:25px;
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background-color: #a3c159;
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font-weight: normal;
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}
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tfoot {
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color:#1ba6b2;
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padding:2px;
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text-transform:uppercase;
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font-size:1.2em;
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font-weigth: bold;
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margin-top:6px;
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border-top: 6px solid #e9f7f6;
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}
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tfoot td {
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text-align: left;
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}
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tbody tr {
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background-color:#fff;
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border-bottom: 1px solid #f0f0f0;
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}
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tbody td {
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color:#414141;
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padding:5px;
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text-align:left;
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}
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tbody th {
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text-align:left;
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padding:2px;
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}
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tbody td a, tbody th a {
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color:#6C8C37;
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text-decoration:none;
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font-weight:normal;
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display:block;
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background: transparent url(links.gif) no-repeat 0% 50%;
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padding-left:15px;
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}
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tbody td a:hover, tbody th a:hover {
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color:#009193;
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text-decoration:none;
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}
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</style>
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</head>
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<body
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<table >
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<caption>Module Coverage</caption>
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<tbody>
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<thead>
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<tr>
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<th>Module</th>
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<th>Statements</th>
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<th>Executed</th>
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<th>Coverage</th>
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</tr>
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</thead>'''
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HTML_INDEX_FOOTER = ''' </tbody>
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</table>
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</body>
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</html>'''
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class CoverageHtmlFormatter(HtmlFormatter):
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"""XXX: doc"""
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def __init__(self, *args, **kwargs):
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HtmlFormatter.__init__(self,*args, **kwargs)
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self.annotation_infos = kwargs.get('annotation_infos')
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def _highlight_lines(self, tokensource):
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"""
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XXX: doc
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"""
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hls = self.hl_lines
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self.annotation_infos = [None] + self.annotation_infos
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hls = [l for l, i in enumerate(self.annotation_infos) if i]
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for i, (t, value) in enumerate(tokensource):
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if t != 1:
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yield t, value
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if i + 1 in hls: # i + 1 because Python indexes start at 0
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if self.annotation_infos[i+1] == "!":
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yield 1, '<span style="background-color:#FFE5E5">%s</span>' \
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% value
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elif self.annotation_infos[i+1] == ">":
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yield 1, '<span style="background-color:#CCFFEB">%s</span>' \
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% value
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else:
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raise ValueError("HHAHA: %s" % self.annotation_infos[i+1])
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else:
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yield 1, value
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def _rename_annotation_files(module_list, dir_annotate_output):
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for m in module_list:
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mod_fpath = os.path.basename(m.__file__)
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if mod_fpath.endswith('pyc'):
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mod_fpath = mod_fpath[:-1]
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old = os.path.join(dir_annotate_output, '%s,cover'% mod_fpath)
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new = os.path.join(dir_annotate_output, '%s,cover'% m.__name__)
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if os.path.isfile(old):
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shutil.move(old, new)
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yield new
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def _generate_module_coverage(mc_path, anotation_infos, src_lines):
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#XXX: doc
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code = "".join(src_lines)
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mc_path = "%s.html" % mc_path
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lexer = get_lexer_by_name("python", stripall=True)
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formatter = CoverageHtmlFormatter(linenos=True, noclasses=True,
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hl_lines=[1], annotation_infos=anotation_infos)
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result = highlight(code, lexer, formatter)
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fp = open(mc_path, 'w')
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fp.write(result)
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fp.close()
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def _parse_modulecoverage(mc_fpath):
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#XXX: doc
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fd = open(mc_fpath, 'r')
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anotate_infos = []
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src_lines = []
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for line in fd.readlines():
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anotate_info = line[0:2].strip()
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if not anotate_info:
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anotate_info = None
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src_line = line[2:]
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anotate_infos.append(anotate_info)
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src_lines.append(src_line)
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return mc_fpath, anotate_infos, src_lines
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def _parse_coverage_summary(fd):
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"""Parses coverage summary output."""
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if hasattr(fd, 'readlines'):
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fd.seek(0)
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for l in fd.readlines():
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m = REG_COVERAGE_SUMMARY.match(l)
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if m:
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# yield name, stmts, execs, cover
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yield m.group(1), m.group(2), m.group(3), m.group(4)
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else:
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m = REG_COVERAGE_SUMMARY_TOTAL.match(l)
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if m:
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# yield name, stmts, execs, cover
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yield m.group(1), m.group(2), m.group(3), m.group(4)
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def _get_coverage_index(mod_name, stmts, execs, cover, annotation_dir):
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"""
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Generates the index page where are all modulare coverage reports are
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linked.
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"""
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if mod_name == 'TOTAL':
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return '<tfoot><tr style="text-align: center;font-weigth:bold;font-size:1.2em; "><td>%s</td><td>%s</td><td>%s</td><td>%s</td></tr></tfoot>\n' % (mod_name, stmts, execs, cover)
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covrep_fpath = os.path.join(annotation_dir, '%s,cover.html' % mod_name)
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assert os.path.isfile(covrep_fpath) == True
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fname = os.path.basename(covrep_fpath)
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modlink = '<a href="%s">%s</a>' % (fname, mod_name)
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return '<tr style="text-align: center;"><td>%s</td><td>%s</td><td>%s</td><td>%s</td></tr>\n' % (modlink, stmts, execs, cover)
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class CoveragePlugin:
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def pytest_addoption(self, parser):
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group = parser.addgroup('coverage options')
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group.addoption('-C', action='store_true', default=False,
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dest = 'coverage',
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help=('displays coverage information.'))
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group.addoption('--coverage-html', action='store', default=False,
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dest='coverage_annotation',
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help='path to the coverage HTML output dir.')
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group.addoption('--coverage-css-resourcesdir', action='store',
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default=DIR_CSS_RESOURCE,
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dest='coverage_css_ressourcedir',
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help='path to dir with css-resources (%s) for '
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'being copied to the HTML output dir.' % \
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", ".join(CSS_RESOURCE_FILES))
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def pytest_configure(self, config):
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if config.getvalue('coverage'):
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try:
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import coverage
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except ImportError:
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raise config.Error("To run use the coverage option you have to install " \
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"Ned Batchelder's coverage: "\
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"http://nedbatchelder.com/code/modules/coverage.html")
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self.coverage = coverage
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self.summary = None
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def pytest_terminal_summary(self, terminalreporter):
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if hasattr(self, 'coverage'):
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self.coverage.stop()
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module_list = [sys.modules[mod] for mod in COVERAGE_MODULES]
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module_list.sort()
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summary_fd = StringIO()
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# get coverage reports by module list
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self.coverage.report(module_list, file=summary_fd)
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summary = COVERAGE_TERM_HEADER + summary_fd.getvalue()
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terminalreporter._tw.write(summary)
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config = terminalreporter.config
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dir_annotate_output = config.getvalue('coverage_annotation')
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if dir_annotate_output:
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if dir_annotate_output == "":
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dir_annotate_output = DIR_ANNOTATE_OUTPUT
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# create dir
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if os.path.isdir(dir_annotate_output):
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shutil.rmtree(dir_annotate_output)
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os.mkdir(dir_annotate_output)
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# generate annotation text files for later parsing
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self.coverage.annotate(module_list, dir_annotate_output)
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# generate the separate module coverage reports
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for mc_fpath in _rename_annotation_files(module_list, \
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dir_annotate_output):
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# mc_fpath, anotate_infos, src_lines from _parse_do
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_generate_module_coverage(*_parse_modulecoverage(mc_fpath))
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# creating contents for the index pagee for coverage report
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idxpage_html = StringIO()
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idxpage_html.write(HTML_INDEX_HEADER)
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total_sum = None
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for args in _parse_coverage_summary(summary_fd):
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# mod_name, stmts, execs, cover = args
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idxpage_html.write(_get_coverage_index(*args, \
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**dict(annotation_dir=dir_annotate_output)))
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idxpage_html.write(HTML_INDEX_FOOTER)
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idx_fpath = os.path.join(dir_annotate_output, 'index.html')
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idx_fd = open(idx_fpath, 'w')
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idx_fd.write(idxpage_html.getvalue())
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idx_fd.close()
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dir_css_resource_dir = config.getvalue('coverage_css_ressourcedir')
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if dir_annotate_output and dir_css_resource_dir != "":
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if not os.path.isdir(dir_css_resource_dir):
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raise config.Error("CSS resource dir not found: '%s'" % \
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dir_css_resource_dir)
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for r in CSS_RESOURCE_FILES:
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src = os.path.join(dir_css_resource_dir, r)
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if os.path.isfile(src):
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dest = os.path.join(dir_annotate_output, r)
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shutil.copy(src, dest)
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def pyevent__collectionstart(self, collector):
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if isinstance(collector, py.__.test.pycollect.Module):
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COVERAGE_MODULES.update(getattr(collector.obj,
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'COVERAGE_MODULES', []))
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def pyevent__testrunstart(self):
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if hasattr(self, 'coverage'):
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self.coverage.erase()
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self.coverage.start()
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# ===============================================================================
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# plugin tests
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# ===============================================================================
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# XXX
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'''
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def test_generic(plugintester):
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plugintester.apicheck(EventlogPlugin)
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testdir = plugintester.testdir()
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testdir.makepyfile("""
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def test_pass():
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pass
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""")
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testdir.runpytest("--eventlog=event.log")
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s = testdir.tmpdir.join("event.log").read()
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assert s.find("TestrunStart") != -1
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assert s.find("ItemTestReport") != -1
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assert s.find("TestrunFinish") != -1
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'''
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After Width: | Height: | Size: 75 B |
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Reference in New Issue