src/unit/engine/ConfigurablePytestTestEngine.php [28:97]:
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    return new ExecFuture('%C', $cmd_line);
  }

  public function parseTestResults($junit_tmp, $cover_tmp) {
    $parser = new ArcanistXUnitTestResultParser();
    $results = $parser->parseTestResults(
      Filesystem::readFile($junit_tmp));

    if ($this->getEnableCoverage() !== false) {
      $coverage_report = $this->readCoverage($cover_tmp);
      foreach ($results as $result) {
          $result->setCoverage($coverage_report);
      }
    }

    return $results;
  }

  public function readCoverage($path) {
    $coverage_data = Filesystem::readFile($path);
    if (empty($coverage_data)) {
       return array();
    }

    $coverage_dom = new DOMDocument();
    $coverage_dom->loadXML($coverage_data);

    $paths = $this->getPaths();
    $reports = array();
    $classes = $coverage_dom->getElementsByTagName('class');

    foreach ($classes as $class) {
      // filename is actually python module path with ".py" at the end,
      // e.g.: tornado.web.py
      $relative_path = explode('.', $class->getAttribute('filename'));
      array_pop($relative_path);
      $relative_path = implode('/', $relative_path);

      // first we check if the path is a directory (a Python package), if it is
      // set relative and absolute paths to have __init__.py at the end.
      $absolute_path = Filesystem::resolvePath($relative_path);
      if (is_dir($absolute_path)) {
        $relative_path .= '/__init__.py';
        $absolute_path .= '/__init__.py';
      }

      // then we check if the path with ".py" at the end is file (a Python
      // submodule), if it is - set relative and absolute paths to have
      // ".py" at the end.
      if (is_file($absolute_path.'.py')) {
        $relative_path .= '.py';
        $absolute_path .= '.py';
      }

      if (!file_exists($absolute_path)) {
        continue;
      }

      if (!in_array($relative_path, $paths)) {
        continue;
      }

      // get total line count in file
      $line_count = count(file($absolute_path));

      $coverage = '';
      $start_line = 1;
      $lines = $class->getElementsByTagName('line');
      for ($ii = 0; $ii < $lines->length; $ii++) {
        $line = $lines->item($ii);
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src/unit/engine/PytestTestEngine.php [48:117]:
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    return new ExecFuture('%C', $cmd_line);
  }

  public function parseTestResults($junit_tmp, $cover_tmp) {
    $parser = new ArcanistXUnitTestResultParser();
    $results = $parser->parseTestResults(
      Filesystem::readFile($junit_tmp));

    if ($this->getEnableCoverage() !== false) {
      $coverage_report = $this->readCoverage($cover_tmp);
      foreach ($results as $result) {
          $result->setCoverage($coverage_report);
      }
    }

    return $results;
  }

  public function readCoverage($path) {
    $coverage_data = Filesystem::readFile($path);
    if (empty($coverage_data)) {
       return array();
    }

    $coverage_dom = new DOMDocument();
    $coverage_dom->loadXML($coverage_data);

    $paths = $this->getPaths();
    $reports = array();
    $classes = $coverage_dom->getElementsByTagName('class');

    foreach ($classes as $class) {
      // filename is actually python module path with ".py" at the end,
      // e.g.: tornado.web.py
      $relative_path = explode('.', $class->getAttribute('filename'));
      array_pop($relative_path);
      $relative_path = implode('/', $relative_path);

      // first we check if the path is a directory (a Python package), if it is
      // set relative and absolute paths to have __init__.py at the end.
      $absolute_path = Filesystem::resolvePath($relative_path);
      if (is_dir($absolute_path)) {
        $relative_path .= '/__init__.py';
        $absolute_path .= '/__init__.py';
      }

      // then we check if the path with ".py" at the end is file (a Python
      // submodule), if it is - set relative and absolute paths to have
      // ".py" at the end.
      if (is_file($absolute_path.'.py')) {
        $relative_path .= '.py';
        $absolute_path .= '.py';
      }

      if (!file_exists($absolute_path)) {
        continue;
      }

      if (!in_array($relative_path, $paths)) {
        continue;
      }

      // get total line count in file
      $line_count = count(file($absolute_path));

      $coverage = '';
      $start_line = 1;
      $lines = $class->getElementsByTagName('line');
      for ($ii = 0; $ii < $lines->length; $ii++) {
        $line = $lines->item($ii);
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