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164 lines
6.4 KiB
Python
164 lines
6.4 KiB
Python
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# Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0
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# For details: https://bitbucket.org/ned/coveragepy/src/default/NOTICE.txt
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"""Summary reporting"""
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import sys
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from coverage import env
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from coverage.report import Reporter
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from coverage.results import Numbers
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from coverage.misc import NotPython, CoverageException, output_encoding, StopEverything
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class SummaryReporter(Reporter):
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"""A reporter for writing the summary report."""
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def __init__(self, coverage, config):
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super(SummaryReporter, self).__init__(coverage, config)
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self.branches = coverage.data.has_arcs()
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def report(self, morfs, outfile=None):
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"""Writes a report summarizing coverage statistics per module.
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`outfile` is a file object to write the summary to. It must be opened
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for native strings (bytes on Python 2, Unicode on Python 3).
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"""
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if outfile is None:
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outfile = sys.stdout
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def writeout(line):
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"""Write a line to the output, adding a newline."""
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if env.PY2:
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line = line.encode(output_encoding())
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outfile.write(line.rstrip())
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outfile.write("\n")
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fr_analysis = []
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skipped_count = 0
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total = Numbers()
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fmt_err = u"%s %s: %s"
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for fr in self.find_file_reporters(morfs):
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try:
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analysis = self.coverage._analyze(fr)
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nums = analysis.numbers
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total += nums
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if self.config.skip_covered:
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# Don't report on 100% files.
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no_missing_lines = (nums.n_missing == 0)
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no_missing_branches = (nums.n_partial_branches == 0)
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if no_missing_lines and no_missing_branches:
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skipped_count += 1
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continue
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fr_analysis.append((fr, analysis))
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except StopEverything:
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# Don't report this on single files, it's a systemic problem.
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raise
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except Exception:
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report_it = not self.config.ignore_errors
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if report_it:
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typ, msg = sys.exc_info()[:2]
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# NotPython is only raised by PythonFileReporter, which has a
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# should_be_python() method.
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if issubclass(typ, NotPython) and not fr.should_be_python():
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report_it = False
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if report_it:
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writeout(fmt_err % (fr.relative_filename(), typ.__name__, msg))
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# Prepare the formatting strings, header, and column sorting.
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max_name = max([len(fr.relative_filename()) for (fr, analysis) in fr_analysis] + [5])
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fmt_name = u"%%- %ds " % max_name
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fmt_skip_covered = u"\n%s file%s skipped due to complete coverage."
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header = (fmt_name % "Name") + u" Stmts Miss"
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fmt_coverage = fmt_name + u"%6d %6d"
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if self.branches:
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header += u" Branch BrPart"
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fmt_coverage += u" %6d %6d"
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width100 = Numbers.pc_str_width()
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header += u"%*s" % (width100+4, "Cover")
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fmt_coverage += u"%%%ds%%%%" % (width100+3,)
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if self.config.show_missing:
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header += u" Missing"
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fmt_coverage += u" %s"
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rule = u"-" * len(header)
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column_order = dict(name=0, stmts=1, miss=2, cover=-1)
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if self.branches:
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column_order.update(dict(branch=3, brpart=4))
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# Write the header
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writeout(header)
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writeout(rule)
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# `lines` is a list of pairs, (line text, line values). The line text
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# is a string that will be printed, and line values is a tuple of
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# sortable values.
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lines = []
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for (fr, analysis) in fr_analysis:
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try:
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nums = analysis.numbers
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args = (fr.relative_filename(), nums.n_statements, nums.n_missing)
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if self.branches:
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args += (nums.n_branches, nums.n_partial_branches)
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args += (nums.pc_covered_str,)
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if self.config.show_missing:
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missing_fmtd = analysis.missing_formatted()
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if self.branches:
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branches_fmtd = analysis.arcs_missing_formatted()
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if branches_fmtd:
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if missing_fmtd:
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missing_fmtd += ", "
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missing_fmtd += branches_fmtd
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args += (missing_fmtd,)
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text = fmt_coverage % args
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# Add numeric percent coverage so that sorting makes sense.
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args += (nums.pc_covered,)
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lines.append((text, args))
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except Exception:
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report_it = not self.config.ignore_errors
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if report_it:
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typ, msg = sys.exc_info()[:2]
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# NotPython is only raised by PythonFileReporter, which has a
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# should_be_python() method.
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if typ is NotPython and not fr.should_be_python():
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report_it = False
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if report_it:
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writeout(fmt_err % (fr.relative_filename(), typ.__name__, msg))
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# Sort the lines and write them out.
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if getattr(self.config, 'sort', None):
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position = column_order.get(self.config.sort.lower())
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if position is None:
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raise CoverageException("Invalid sorting option: {0!r}".format(self.config.sort))
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lines.sort(key=lambda l: (l[1][position], l[0]))
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for line in lines:
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writeout(line[0])
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# Write a TOTAl line if we had more than one file.
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if total.n_files > 1:
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writeout(rule)
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args = ("TOTAL", total.n_statements, total.n_missing)
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if self.branches:
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args += (total.n_branches, total.n_partial_branches)
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args += (total.pc_covered_str,)
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if self.config.show_missing:
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args += ("",)
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writeout(fmt_coverage % args)
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# Write other final lines.
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if not total.n_files and not skipped_count:
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raise CoverageException("No data to report.")
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if self.config.skip_covered and skipped_count:
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writeout(fmt_skip_covered % (skipped_count, 's' if skipped_count > 1 else ''))
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return total.n_statements and total.pc_covered
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