[Lldb-commits] [lldb] r254979 - Refactor ResultsFormatter creation into result_formatter.

Zachary Turner via lldb-commits lldb-commits at lists.llvm.org
Mon Dec 7 17:00:35 PST 2015


I'm going to have to merge this into my patch.  Can you hold off on any
other patches until I get in?

On Mon, Dec 7, 2015 at 4:56 PM Todd Fiala via lldb-commits <
lldb-commits at lists.llvm.org> wrote:

> Author: tfiala
> Date: Mon Dec  7 18:53:56 2015
> New Revision: 254979
>
> URL: http://llvm.org/viewvc/llvm-project?rev=254979&view=rev
> Log:
> Refactor ResultsFormatter creation into result_formatter.
>
> This cleans up dotest.py and is a pre-step for getting
> the test inferior runner to send post-inferior run events
> to the events collector, as this code needs to be accessed
> from within dosep.py.
>
> Modified:
>     lldb/trunk/packages/Python/lldbsuite/test/dotest.py
>     lldb/trunk/packages/Python/lldbsuite/test/result_formatter.py
>
> Modified: lldb/trunk/packages/Python/lldbsuite/test/dotest.py
> URL:
> http://llvm.org/viewvc/llvm-project/lldb/trunk/packages/Python/lldbsuite/test/dotest.py?rev=254979&r1=254978&r2=254979&view=diff
>
> ==============================================================================
> --- lldb/trunk/packages/Python/lldbsuite/test/dotest.py (original)
> +++ lldb/trunk/packages/Python/lldbsuite/test/dotest.py Mon Dec  7
> 18:53:56 2015
> @@ -239,7 +239,6 @@ test_runner_name = None
>  # Test results handling globals
>  results_filename = None
>  results_port = None
> -results_file_object = None
>  results_formatter_name = None
>  results_formatter_object = None
>  results_formatter_options = None
> @@ -910,73 +909,24 @@ def createSocketToLocalPort(port):
>  def setupTestResults():
>      """Sets up test results-related objects based on arg settings."""
>      global results_filename
> -    global results_file_object
>      global results_formatter_name
>      global results_formatter_object
>      global results_formatter_options
>      global results_port
>
> -    default_formatter_name = None
> -    cleanup_func = None
> +    # Setup the results formatter configuration.
> +    config = result_formatter.FormatterConfig()
> +    config.filename = results_filename
> +    config.formatter_name = results_formatter_name
> +    config.formatter_options = results_formatter_options
> +    config.port = results_port
> +
> +    # Create the results formatter.
> +    formatter_spec = result_formatter.create_results_formatter(config)
> +    if formatter_spec is not None and formatter_spec.formatter is not
> None:
> +        results_formatter_object = formatter_spec.formatter
>
> -    if results_filename:
> -        # Open the results file for writing.
> -        if results_filename == 'stdout':
> -            results_file_object = sys.stdout
> -            cleanup_func = None
> -        elif results_filename == 'stderr':
> -            results_file_object = sys.stderr
> -            cleanup_func = None
> -        else:
> -            results_file_object = open(results_filename, "w")
> -            cleanup_func = results_file_object.close
> -        default_formatter_name =
> "lldbsuite.test.result_formatter.XunitFormatter"
> -    elif results_port:
> -        # Connect to the specified localhost port.
> -        results_file_object, cleanup_func = createSocketToLocalPort(
> -            results_port)
> -        default_formatter_name = (
> -            "lldbsuite.test.result_formatter.RawPickledFormatter")
> -
> -    # If we have a results formatter name specified and we didn't specify
> -    # a results file, we should use stdout.
> -    if results_formatter_name is not None and results_file_object is None:
> -        # Use stdout.
> -        results_file_object = sys.stdout
> -        cleanup_func = None
> -
> -    if results_file_object:
> -        # We care about the formatter.  Choose user-specified or, if
> -        # none specified, use the default for the output type.
> -        if results_formatter_name:
> -            formatter_name = results_formatter_name
> -        else:
> -            formatter_name = default_formatter_name
> -
> -        # Create an instance of the class.
> -        # First figure out the package/module.
> -        components = formatter_name.split(".")
> -        module = importlib.import_module(".".join(components[:-1]))
> -
> -        # Create the class name we need to load.
> -        clazz = getattr(module, components[-1])
> -
> -        # Handle formatter options for the results formatter class.
> -        formatter_arg_parser = clazz.arg_parser()
> -        if results_formatter_options and len(results_formatter_options) >
> 0:
> -            command_line_options = results_formatter_options
> -        else:
> -            command_line_options = []
> -
> -        formatter_options = formatter_arg_parser.parse_args(
> -            command_line_options)
> -
> -        # Create the TestResultsFormatter given the processed options.
> -        results_formatter_object = clazz(
> -            results_file_object, formatter_options)
> -
> -        # Start the results formatter session - we'll only have one
> -        # during a given dotest process invocation.
> +        # Send an intialize message to the formatter.
>          initialize_event = EventBuilder.bare_event("initialize")
>          if isMultiprocessTestRunner():
>              if test_runner_name is not None and test_runner_name ==
> "serial":
> @@ -989,19 +939,11 @@ def setupTestResults():
>              worker_count = 1
>          initialize_event["worker_count"] = worker_count
>
> -        results_formatter_object.handle_event(initialize_event)
> -
> -        def shutdown_formatter():
> -            # Tell the formatter to write out anything it may have
> -            # been saving until the very end (e.g. xUnit results
> -            # can't complete its output until this point).
> -            results_formatter_object.send_terminate_as_needed()
> -
> -            # And now close out the output file-like object.
> -            if cleanup_func is not None:
> -                cleanup_func()
> +        formatter_spec.formatter.handle_event(initialize_event)
>
> -        atexit.register(shutdown_formatter)
> +        # Make sure we clean up the formatter on shutdown.
> +        if formatter_spec.cleanup_func is not None:
> +            atexit.register(formatter_spec.cleanup_func)
>
>
>  def getOutputPaths(lldbRootDirectory):
>
> Modified: lldb/trunk/packages/Python/lldbsuite/test/result_formatter.py
> URL:
> http://llvm.org/viewvc/llvm-project/lldb/trunk/packages/Python/lldbsuite/test/result_formatter.py?rev=254979&r1=254978&r2=254979&view=diff
>
> ==============================================================================
> --- lldb/trunk/packages/Python/lldbsuite/test/result_formatter.py
> (original)
> +++ lldb/trunk/packages/Python/lldbsuite/test/result_formatter.py Mon Dec
> 7 18:53:56 2015
> @@ -13,10 +13,12 @@ from __future__ import absolute_import
>
>  # System modules
>  import argparse
> +import importlib
>  import inspect
>  import os
>  import pprint
>  import re
> +import socket
>  import sys
>  import threading
>  import time
> @@ -30,6 +32,122 @@ from six.moves import cPickle
>  # LLDB modules
>
>
> +class FormatterConfig(object):
> +    def __init__(self):
> +        self.filename = None
> +        self.port = None
> +        self.formatter_name = None
> +        self.formatter_options = None
> +
> +
> +class CreatedFormatter(object):
> +    def __init__(self, formatter, cleanup_func):
> +        self.formatter = formatter
> +        self.cleanup_func = cleanup_func
> +
> +
> +def create_results_formatter(config):
> +    """Sets up a test results formatter.
> +
> +    @param config an instance of FormatterConfig
> +    that indicates how to setup the ResultsFormatter.
> +
> +    @return an instance of CreatedFormatter.
> +    """
> +    def create_socket(port):
> +        """Creates a socket to the localhost on the given port.
> +
> +        @param port the port number of the listenering port on
> +        the localhost.
> +
> +        @return (socket object, socket closing function)
> +        """
> +        def socket_closer(open_sock):
> +            """Close down an opened socket properly."""
> +            open_sock.shutdown(socket.SHUT_RDWR)
> +            open_sock.close()
> +
> +        sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
> +        sock.connect(("localhost", port))
> +        return (sock, lambda: socket_closer(sock))
> +
> +    default_formatter_name = None
> +    results_file_object = None
> +    cleanup_func = None
> +
> +    if config.filename:
> +        # Open the results file for writing.
> +        if config.filename == 'stdout':
> +            results_file_object = sys.stdout
> +            cleanup_func = None
> +        elif config.filename == 'stderr':
> +            results_file_object = sys.stderr
> +            cleanup_func = None
> +        else:
> +            results_file_object = open(config.filename, "w")
> +            cleanup_func = results_file_object.close
> +        default_formatter_name = (
> +            "lldbsuite.test.result_formatter.XunitFormatter")
> +    elif config.port:
> +        # Connect to the specified localhost port.
> +        results_file_object, cleanup_func = create_socket(config.port)
> +        default_formatter_name = (
> +            "lldbsuite.test.result_formatter.RawPickledFormatter")
> +
> +    # If we have a results formatter name specified and we didn't specify
> +    # a results file, we should use stdout.
> +    if config.formatter_name is not None and results_file_object is None:
> +        # Use stdout.
> +        results_file_object = sys.stdout
> +        cleanup_func = None
> +
> +    if results_file_object:
> +        # We care about the formatter.  Choose user-specified or, if
> +        # none specified, use the default for the output type.
> +        if config.formatter_name:
> +            formatter_name = config.formatter_name
> +        else:
> +            formatter_name = default_formatter_name
> +
> +        # Create an instance of the class.
> +        # First figure out the package/module.
> +        components = formatter_name.split(".")
> +        module = importlib.import_module(".".join(components[:-1]))
> +
> +        # Create the class name we need to load.
> +        cls = getattr(module, components[-1])
> +
> +        # Handle formatter options for the results formatter class.
> +        formatter_arg_parser = cls.arg_parser()
> +        if config.formatter_options and len(config.formatter_options) > 0:
> +            command_line_options = config.formatter_options
> +        else:
> +            command_line_options = []
> +
> +        formatter_options = formatter_arg_parser.parse_args(
> +            command_line_options)
> +
> +        # Create the TestResultsFormatter given the processed options.
> +        results_formatter_object = cls(results_file_object,
> formatter_options)
> +
> +        def shutdown_formatter():
> +            """Shuts down the formatter when it is no longer needed."""
> +            # Tell the formatter to write out anything it may have
> +            # been saving until the very end (e.g. xUnit results
> +            # can't complete its output until this point).
> +            results_formatter_object.send_terminate_as_needed()
> +
> +            # And now close out the output file-like object.
> +            if cleanup_func is not None:
> +                cleanup_func()
> +
> +        return CreatedFormatter(
> +            results_formatter_object,
> +            shutdown_formatter)
> +    else:
> +        return None
> +
> +
>  class EventBuilder(object):
>      """Helper class to build test result event dictionaries."""
>
>
>
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