# Licensed under the Apache License: http://www.apache.org/licenses/LICENSE-2.0 # For details: https://bitbucket.org/ned/coveragepy/src/default/NOTICE.txt """XML reporting for coverage.py""" import os import os.path import sys import time import xml.dom.minidom from coverage import env from coverage import __url__, __version__, files from coverage.backward import iitems from coverage.misc import isolate_module from coverage.report import Reporter os = isolate_module(os) DTD_URL = ( 'https://raw.githubusercontent.com/cobertura/web/' 'f0366e5e2cf18f111cbd61fc34ef720a6584ba02' '/htdocs/xml/coverage-03.dtd' ) def rate(hit, num): """Return the fraction of `hit`/`num`, as a string.""" if num == 0: return "1" else: return "%.4g" % (float(hit) / num) class XmlReporter(Reporter): """A reporter for writing Cobertura-style XML coverage results.""" def __init__(self, coverage, config): super(XmlReporter, self).__init__(coverage, config) self.source_paths = set() if config.source: for src in config.source: if os.path.exists(src): self.source_paths.add(files.canonical_filename(src)) self.packages = {} self.xml_out = None self.has_arcs = coverage.data.has_arcs() def report(self, morfs, outfile=None): """Generate a Cobertura-compatible XML report for `morfs`. `morfs` is a list of modules or file names. `outfile` is a file object to write the XML to. """ # Initial setup. outfile = outfile or sys.stdout # Create the DOM that will store the data. impl = xml.dom.minidom.getDOMImplementation() self.xml_out = impl.createDocument(None, "coverage", None) # Write header stuff. xcoverage = self.xml_out.documentElement xcoverage.setAttribute("version", __version__) xcoverage.setAttribute("timestamp", str(int(time.time()*1000))) xcoverage.appendChild(self.xml_out.createComment( " Generated by coverage.py: %s " % __url__ )) xcoverage.appendChild(self.xml_out.createComment(" Based on %s " % DTD_URL)) # Call xml_file for each file in the data. self.report_files(self.xml_file, morfs) xsources = self.xml_out.createElement("sources") xcoverage.appendChild(xsources) # Populate the XML DOM with the source info. for path in sorted(self.source_paths): xsource = self.xml_out.createElement("source") xsources.appendChild(xsource) txt = self.xml_out.createTextNode(path) xsource.appendChild(txt) lnum_tot, lhits_tot = 0, 0 bnum_tot, bhits_tot = 0, 0 xpackages = self.xml_out.createElement("packages") xcoverage.appendChild(xpackages) # Populate the XML DOM with the package info. for pkg_name, pkg_data in sorted(iitems(self.packages)): class_elts, lhits, lnum, bhits, bnum = pkg_data xpackage = self.xml_out.createElement("package") xpackages.appendChild(xpackage) xclasses = self.xml_out.createElement("classes") xpackage.appendChild(xclasses) for _, class_elt in sorted(iitems(class_elts)): xclasses.appendChild(class_elt) xpackage.setAttribute("name", pkg_name.replace(os.sep, '.')) xpackage.setAttribute("line-rate", rate(lhits, lnum)) if self.has_arcs: branch_rate = rate(bhits, bnum) else: branch_rate = "0" xpackage.setAttribute("branch-rate", branch_rate) xpackage.setAttribute("complexity", "0") lnum_tot += lnum lhits_tot += lhits bnum_tot += bnum bhits_tot += bhits xcoverage.setAttribute("line-rate", rate(lhits_tot, lnum_tot)) if self.has_arcs: branch_rate = rate(bhits_tot, bnum_tot) else: branch_rate = "0" xcoverage.setAttribute("branch-rate", branch_rate) # Use the DOM to write the output file. out = self.xml_out.toprettyxml() if env.PY2: out = out.encode("utf8") outfile.write(out) # Return the total percentage. denom = lnum_tot + bnum_tot if denom == 0: pct = 0.0 else: pct = 100.0 * (lhits_tot + bhits_tot) / denom return pct def xml_file(self, fr, analysis): """Add to the XML report for a single file.""" # Create the 'lines' and 'package' XML elements, which # are populated later. Note that a package == a directory. filename = fr.filename.replace("\\", "/") for source_path in self.source_paths: if filename.startswith(source_path.replace("\\", "/") + "/"): rel_name = filename[len(source_path)+1:] break else: rel_name = fr.relative_filename() dirname = os.path.dirname(rel_name) or "." dirname = "/".join(dirname.split("/")[:self.config.xml_package_depth]) package_name = dirname.replace("/", ".") if rel_name != fr.filename: self.source_paths.add(fr.filename[:-len(rel_name)].rstrip(r"\/")) package = self.packages.setdefault(package_name, [{}, 0, 0, 0, 0]) xclass = self.xml_out.createElement("class") xclass.appendChild(self.xml_out.createElement("methods")) xlines = self.xml_out.createElement("lines") xclass.appendChild(xlines) xclass.setAttribute("name", os.path.relpath(rel_name, dirname)) xclass.setAttribute("filename", fr.relative_filename().replace("\\", "/")) xclass.setAttribute("complexity", "0") branch_stats = analysis.branch_stats() missing_branch_arcs = analysis.missing_branch_arcs() # For each statement, create an XML 'line' element. for line in sorted(analysis.statements): xline = self.xml_out.createElement("line") xline.setAttribute("number", str(line)) # Q: can we get info about the number of times a statement is # executed? If so, that should be recorded here. xline.setAttribute("hits", str(int(line not in analysis.missing))) if self.has_arcs: if line in branch_stats: total, taken = branch_stats[line] xline.setAttribute("branch", "true") xline.setAttribute( "condition-coverage", "%d%% (%d/%d)" % (100*taken//total, taken, total) ) if line in missing_branch_arcs: annlines = ["exit" if b < 0 else str(b) for b in missing_branch_arcs[line]] xline.setAttribute("missing-branches", ",".join(annlines)) xlines.appendChild(xline) class_lines = len(analysis.statements) class_hits = class_lines - len(analysis.missing) if self.has_arcs: class_branches = sum(t for t, k in branch_stats.values()) missing_branches = sum(t - k for t, k in branch_stats.values()) class_br_hits = class_branches - missing_branches else: class_branches = 0.0 class_br_hits = 0.0 # Finalize the statistics that are collected in the XML DOM. xclass.setAttribute("line-rate", rate(class_hits, class_lines)) if self.has_arcs: branch_rate = rate(class_br_hits, class_branches) else: branch_rate = "0" xclass.setAttribute("branch-rate", branch_rate) package[0][rel_name] = xclass package[1] += class_hits package[2] += class_lines package[3] += class_br_hits package[4] += class_branches