Remove obsolete and disabled tests for glibc IMC startup hack

tests/startup_message/test_startup.py

-# Copyright (c) 2011 The Native Client Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-import os
-import struct
-import subprocess
-import tempfile
-import unittest
-
-import naclimc
-import nacl_launcher
-
-
-def MakeFileHandlePair():
-  # Make read/write file handle pair.  This is like creating a pipe
-  # FD pair, but without a pipe buffer limit.
-  fd, filename = tempfile.mkstemp(prefix="shell_test_")
-  try:
-    write_fh = os.fdopen(fd, "w", 0)
-    read_fh = open(filename, "r")
-  finally:
-    os.unlink(filename)
-  return write_fh, read_fh
-
-
-class TestStartupMessage(unittest.TestCase):
-
-  def assertIn(self, x, y):
-    if x not in y:
-      raise AssertionError("%r not in %r" % (x, y))
-
-  def test_args_message(self):
-    lib_dir = os.environ["NACL_LIBRARY_DIR"]
-    write_fh, read_fh = MakeFileHandlePair()
-    proc, [fd1, fd2] = nacl_launcher.SpawnSelLdrWithSockets(
-        ["-s", "-a",
-         "--", os.path.join(lib_dir, "runnable-ld.so"),
-         # The remaining arguments are not used, because they are
-         # overridden by the message we send:
-         "this-arg-is-not-used"],
-        [nacl_launcher.NACL_PLUGIN_BOUND_SOCK,
-         nacl_launcher.NACL_PLUGIN_ASYNC_TO_CHILD_FD],
-        stdout=write_fh)
-    argv = ["unused-argv0", "--library-path", lib_dir,
-            os.environ["HELLO_WORLD_PROG"]]
-    envv = []
-    fd2.imc_sendmsg(nacl_launcher.PackArgsMessage(argv, envv), tuple([]))
-    self.assertEquals(proc.wait(), 0)
-    self.assertEquals(read_fh.read(), "Hello, World!\n")
-
-  def _TryStartupMessage(self, message, expected_line):
-    lib_dir = os.environ["NACL_LIBRARY_DIR"]
-    write_fh, read_fh = MakeFileHandlePair()
-    proc, [fd1, fd2] = nacl_launcher.SpawnSelLdrWithSockets(
-        ["-s", "-a",
-         "--", os.path.join(lib_dir, "runnable-ld.so"),
-         "this-arg-is-not-used"],
-        [nacl_launcher.NACL_PLUGIN_BOUND_SOCK,
-         nacl_launcher.NACL_PLUGIN_ASYNC_TO_CHILD_FD],
-        stderr=write_fh)
-    if message is not None:
-      fd2.imc_sendmsg(message, tuple([]))
-    del fd2
-    self.assertEquals(proc.wait(), 127)
-    output_lines = read_fh.read().split("\n")
-    self.assertIn(expected_line, output_lines)
-
-  def test_error_on_eof(self):
-    self._TryStartupMessage(None, "Error receiving startup message (5)")
-
-  def test_error_on_missing_tag(self):
-    self._TryStartupMessage(
-        "", "Startup message (0 bytes) lacks the expected tag")
-
-  def test_error_on_missing_body(self):
-    self._TryStartupMessage("ARGS", "Startup message too small (4 bytes)")
-
-  def test_error_on_truncated_body(self):
-    data = nacl_launcher.PackArgsMessage(["a", "b", "c"], [])
-    self._TryStartupMessage(
-        data[:-1], "Unterminated argument string in startup message")
-    data = nacl_launcher.PackArgsMessage(["a", "b", "c"], ["e", "f"])
-    self._TryStartupMessage(
-        data[:-1], "Unterminated environment string in startup message")
-
-  def test_error_on_excess_data(self):
-    data = nacl_launcher.PackArgsMessage(["a", "b"], ["c", "d"])
-    self._TryStartupMessage(
-        data + "x", "Excess data (1 bytes) in startup message body")
-
-  def test_error_on_overly_large_array_sizes(self):
-    self._TryStartupMessage(
-        struct.pack("4sII", "ARGS", 0x20000, 0),
-        "Unterminated argument string in startup message")
-    self._TryStartupMessage(
-        struct.pack("4sII", "ARGS", 0x20000, -0x18000 & 0xffffffff),
-        "Unterminated argument string in startup message")
-
-
-if __name__ == "__main__":
-  unittest.main()