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� Ϫ�f� � � � d Z ddlmZmZmZ ddlmZmZ ddlm Z ddl mZ ddlm Z ddlmZ ddlmZmZ d � Z G d � d� Z G d� d ee� Z G d� dee� Zy)z� Tests for the command-line scripts in the top-level I{bin/} directory. Tests for actual functionality belong elsewhere, written in a way that doesn't involve launching child processes. � )�chdir�devnull�getcwd)�PIPE�Popen)� executable)�FilePath)� getModule)�ZshScriptTestMixin)�SkipTest�TestCasec � � t t d� 5 }t t d� 5 }t t | j gt |� z t ||�� }|j � d }ddd� ddd� S # 1 sw Y �xY w# 1 sw Y S xY w)a� Synchronously run a Python script, with the same Python interpreter that ran the process calling this function, using L{Popen}, using the given command-line arguments, with standard input and standard error both redirected to L{os.devnull}, and return its output as a string. @param script: The path to the script. @type script: L{FilePath} @param args: The command-line arguments to follow the script in its invocation (the desired C{sys.argv[1:]}). @type args: L{tuple} of L{str} @return: the output passed to the proces's C{stdout}, without any messages from C{stderr}. @rtype: L{bytes} �rb�wb)�stdout�stderr�stdinr N)�openr r r �path�listr �communicate)�script�args� nullInput� nullError�processr s �C/usr/lib/python3/dist-packages/twisted/scripts/test/test_scripts.py�outputFromPythonScriptr s� � �$ �g�t� � *� �4���+>� *�)�� ����%��T� �2���� �� �$�$�&�q�)��*� *� �M�*� *�� *� �M�s# �B�AA7�%B�7B �<B�B c �l � e Zd ZdZ ed� j j j d� Zd� Z y)�ScriptTestsMixinzr Mixin for L{TestCase} subclasses which defines a helper function for testing a Twisted-using script. �twisted�binc �� � | j j |� }|j � st d� �ddlm} t |d� }| j t |� |� y)a� Verify that the given script runs and uses the version of Twisted currently being tested. This only works when running tests against a vcs checkout of Twisted, since it relies on the scripts being in the place they are kept in version control, and exercises their logic for finding the right version of Twisted to use in that situation. @param name: A path fragment, relative to the I{bin} directory of a Twisted source checkout, identifying a script to test. @type name: C{str} @raise SkipTest: if the script is not where it is expected to be. �5Script tests do not apply to installed configuration.r )�versionz --versionN) r"