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# ==================================================================================================================== #
# Authors: #
# Patrick Lehmann #
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# License: #
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# Copyright 2023-2024 Patrick Lehmann - Bötzingen, Germany #
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# Licensed under the Apache License, Version 2.0 (the "License"); #
# you may not use this file except in compliance with the License. #
# You may obtain a copy of the License at #
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# SPDX-License-Identifier: Apache-2.0 #
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"""
**A Sphinx extension providing code coverage details embedded in documentation pages.**
"""
from pathlib import Path
from pyTooling.Configuration.JSON import Configuration
from pyTooling.Decorators import export, readonly
from sphinx_reports.Common import ReportExtensionError
from sphinx_reports.DataModel.CodeCoverage import PackageCoverage, ModuleCoverage, AggregatedCoverage
[docs]
@export
class CodeCoverageError(ReportExtensionError):
pass
[docs]
@export
class Analyzer:
"""
An analyzer to read and transform code coverage data from JSON format to a generic data model.
Coverage.py can provide collected statement and branch coverage metrics as JSON data, which can be converted to a
generic code coverage model.
"""
_packageName: str
_coverageReport: Configuration
[docs]
def __init__(self, packageName: str, jsonCoverageFile: Path) -> None:
"""
Read a JSON file containing code coverage metrics generated by Coverage.py.
:param packageName: Name of the Python package that was analyzed.
:param jsonCoverageFile: JSON file containing statement and/or branch coverage.
:raises CodeCoverageError: If JSON file doesn't exist.
"""
if not jsonCoverageFile.exists():
raise CodeCoverageError(f"JSON coverage report '{jsonCoverageFile}' not found.") from FileNotFoundError(jsonCoverageFile)
self._packageName = packageName
self._coverageReport = Configuration(jsonCoverageFile)
# if int(self._coverageReport["format"]) != 2:
# raise CodeCoverageError(f"File format of '{jsonCoverageFile}' is not supported.")
@readonly
def PackageName(self) -> str:
"""
Read-only property to access the analyzed package's name.
:return: Name of the analyzed package.
"""
return self._packageName
@readonly
def JSONCoverageFile(self) -> Path:
"""
Read-only property to access the parsed JSON file.
:return: Path to the parsed JSON file.
"""
return self._coverageReport.ConfigFile
@readonly
def CoverageReport(self) -> Configuration:
return self._coverageReport
def Convert(self) -> PackageCoverage:
rootPackageCoverage = PackageCoverage(self._packageName, Path("__init__.py"))
for statusRecord in self._coverageReport["files"]:
moduleFile = Path(statusRecord.Key)
coverageSummary = statusRecord["summary"]
moduleName = moduleFile.stem
modulePath = moduleFile.parent.parts[1:]
currentCoverageObject: AggregatedCoverage = rootPackageCoverage
for packageName in modulePath:
try:
currentCoverageObject = currentCoverageObject[packageName]
except KeyError:
currentCoverageObject = PackageCoverage(packageName, moduleFile, currentCoverageObject)
if moduleName != "__init__":
currentCoverageObject = ModuleCoverage(moduleName, moduleFile, currentCoverageObject)
currentCoverageObject._totalStatements = int(coverageSummary["num_statements"])
currentCoverageObject._excludedStatements = int(coverageSummary["excluded_lines"])
currentCoverageObject._coveredStatements = int(coverageSummary["covered_lines"])
currentCoverageObject._missingStatements = int(coverageSummary["missing_lines"])
currentCoverageObject._totalBranches = int(coverageSummary["num_branches"])
currentCoverageObject._coveredBranches = int(coverageSummary["covered_branches"])
currentCoverageObject._partialBranches = int(coverageSummary["num_partial_branches"])
currentCoverageObject._missingBranches = int(coverageSummary["missing_branches"])
currentCoverageObject._coverage = float(coverageSummary["percent_covered"]) / 100.0
return rootPackageCoverage