def is_browser_only_failure()

in sync/notify/results.py [0:0]

• 18 lines of code
• 10 McCabe index (conditional complexity)

    def is_browser_only_failure(self, target_browser: str = "firefox") -> bool:
        gh_target = self.statuses[target_browser].get("GitHub")
        gh_other = [self.statuses.get(browser, {}).get("GitHub")
                    for browser in browsers
                    if browser != target_browser]
        if gh_target is None:
            # We don't have enough information to determine GH-only failures
            return False

        if gh_target.head in passing_statuses:
            return False

        if any(item is None or item.head not in passing_statuses for item in gh_other):
            return False

        # If it's passing on all internal platforms, assume a pref has to be
        # set or something. We could do better than this
        gecko_ci_statuses = [status
                             for job_name, status in self.statuses[target_browser].items()
                             if job_name != "GitHub"]
        if (gecko_ci_statuses and
            all(status.head in passing_statuses for status in gecko_ci_statuses)):
            return False

        return True