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✏️ test_file_eintr.pyo
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� z fc @ s� d d l Z d d l Z d d l Z d d l Z d d l Z d d l m Z d d l Z d d l Z d d l m Z e j e j d k d � d e j f d � � Y� Z d e f d � � YZ d e f d � � YZ d � Z e d k r� e � n d S( i����N( t run_unittest( t FileIOt posixs tests requires a posix system.t TestFileIOSignalInterruptc B s_ e Z d � Z d � Z d � Z d d e d � Z d � Z d Z d � Z d � Z d � Z RS( c C s d | _ d S( N( t Nonet _process( t self( ( s, /usr/lib64/python2.7/test/test_file_eintr.pyt setUp s c C sJ | j rF | j j � d k rF y | j j � WqF t k rB qF Xn d S( N( R t pollR t killt OSError( R ( ( s, /usr/lib64/python2.7/test/test_file_eintr.pyt tearDown s c C s d S( s� Returns the infile = ... line of code for the reader process. subclasseses should override this to test different IO objects. s9 import _io ;infile = _io.FileIO(sys.stdin.fileno(), "rb")( ( R ( ( s, /usr/lib64/python2.7/test/test_file_eintr.pyt _generate_infile_setup_code' s t c C s� | j j � d k rJ t j d � y | j j � WqJ t k rF qJ Xn | r| | j j � \ } } | | 7} | | 7} n | j d | | j � | j � f � d S( s; A common way to cleanup and fail with useful debug output. Kills the process if it is still running, collects remaining output and fails the test with an error message including the output. Args: why: Text to go after "Error from IO process" in the message. stdout, stderr: standard output and error from the process so far to include in the error message. communicate: bool, when True we call communicate() on the process after killing it to gather additional output. g�������?s/ Error from IO process %s: STDOUT: %sSTDERR: %s N( R R R t timet sleept terminateR t communicatet failt decode( R t whyt stdoutt stderrR t stdout_endt stderr_end( ( s, /usr/lib64/python2.7/test/test_file_eintr.pyt fail_with_process_info/ s c C s� | j � } t j t j d d d | d d | d d g d t j d t j d t j �| _ | j j j t d � � } | d k r� | j d d | �n | j j j | � d } g } xz | s8t j | j j g d d d � \ } } } | j j t j � | d 7} | d k r� | j j � | j d � q� q� W| j j j � } | d k rm| j d d | �n | j j d d � \ } } | j j r�| j d | j j | | d t �n d S( sn Generic buffered read method test harness to validate EINTR behavior. Also validates that Python signal handlers are run during the read. Args: data_to_write: String to write to the child process for reading before sending it a signal, confirming the signal was handled, writing a final newline and closing the infile pipe. read_and_verify_code: Single "line" of code to read from a file object named 'infile' and validate the result. This will be executed as part of a python subprocess fed data_to_write. s -us -cs\ import io, signal, sys ;signal.signal(signal.SIGINT, lambda s, f: sys.stderr.write("$\n")) ;s ;s" sys.stderr.write("Worm Sign!\n") ;s infile.close()t stdinR R s Worm Sign! s while awaiting a signi g�������?i i� s, reader process failed to handle our signals.s $ s while awaiting signalt inputs s exited rc=%dR N( ( ( R t subprocesst Popent syst executablet PIPER R t readt lenR R t writet selectt send_signalt signalt SIGINTR R t readlineR t returncodet False( R t data_to_writet read_and_verify_codet infile_setup_codet worm_signt signals_sentt rlistt _t signal_lineR R ( ( s, /usr/lib64/python2.7/test/test_file_eintr.pyt _test_readingJ s< * s� got = infile.{read_method_name}() ;expected = {expected!r} ;assert got == expected, ("{read_method_name} returned wrong data.\n""got data %r\nexpected %r" % (got, expected))c C s/ | j d d d | j j d d d d � � d S( s1 readline() must handle signals and not lose data.R+ s hello, world!R, t read_method_nameR( t expecteds hello, world! N( R3 t _READING_CODE_TEMPLATEt format( R ( ( s, /usr/lib64/python2.7/test/test_file_eintr.pyt test_readline� s c C s5 | j d d d | j j d d d d d g � � d S( s2 readlines() must handle signals and not lose data.R+ s hello world!R, R4 t readlinesR5 s hello s world! N( R3 R6 R7 ( R ( ( s, /usr/lib64/python2.7/test/test_file_eintr.pyt test_readlines� s c C sZ | j d d d | j j d d d d � � | j d d d | j j d d d d � � d S( s0 readall() must handle signals and not lose data.R+ s hello world!R, R4 t readallR5 s hello world! R! N( R3 R6 R7 ( R ( ( s, /usr/lib64/python2.7/test/test_file_eintr.pyt test_readall� s ( t __name__t __module__R R R t TrueR R3 R6 R8 R: R< ( ( ( s, /usr/lib64/python2.7/test/test_file_eintr.pyR s I t TestBufferedIOSignalInterruptc B s e Z d � Z d � Z RS( c C s d S( s? Returns the infile = ... line of code to make a BufferedReader.se infile = io.open(sys.stdin.fileno(), "rb") ;import _io ;assert isinstance(infile, _io.BufferedReader)( ( R ( ( s, /usr/lib64/python2.7/test/test_file_eintr.pyR � s c C s/ | j d d d | j j d d d d � � d S( s< BufferedReader.read() must handle signals and not lose data.R+ s hello world!R, R4 R! R5 s hello world! N( R3 R6 R7 ( R ( ( s, /usr/lib64/python2.7/test/test_file_eintr.pyR< � s ( R= R> R R< ( ( ( s, /usr/lib64/python2.7/test/test_file_eintr.pyR@ � s t TestTextIOSignalInterruptc B s, e Z d � Z d � Z d � Z d � Z RS( c C s d S( s> Returns the infile = ... line of code to make a TextIOWrapper.sr infile = io.open(sys.stdin.fileno(), "rt", newline=None) ;import _io ;assert isinstance(infile, _io.TextIOWrapper)( ( R ( ( s, /usr/lib64/python2.7/test/test_file_eintr.pyR � s c C s/ | j d d d | j j d d d d � � d S( s1 readline() must handle signals and not lose data.R+ s hello, world!R, R4 R( R5 s hello, world! N( R3 R6 R7 ( R ( ( s, /usr/lib64/python2.7/test/test_file_eintr.pyR8 � s c C s5 | j d d d | j j d d d d d g � � d S( s2 readlines() must handle signals and not lose data.R+ s hello world!R, R4 R9 R5 s hello s world! N( R3 R6 R7 ( R ( ( s, /usr/lib64/python2.7/test/test_file_eintr.pyR: � s c C s/ | j d d d | j j d d d d � � d S( s- read() must handle signals and not lose data.R+ s hello world!R, R4 R! R5 s hello world! N( R3 R6 R7 ( R ( ( s, /usr/lib64/python2.7/test/test_file_eintr.pyR< � s ( R= R> R R8 R: R< ( ( ( s, /usr/lib64/python2.7/test/test_file_eintr.pyRA � s c C sQ g t � j � D]- } t | t � r t | t j � r | ^ q } t | � d S( N( t globalst valuest isinstancet typet issubclasst unittestt TestCaseR ( t tct test_cases( ( s, /usr/lib64/python2.7/test/test_file_eintr.pyt test_main� s -t __main__( t osR$ R& R R t test.test_supportR R RG t _ioR t skipUnlesst nameRH R R@ RA RK R= ( ( ( s, /usr/lib64/python2.7/test/test_file_eintr.pyt <module> s �
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