78 lines
2.4 KiB
Python
78 lines
2.4 KiB
Python
from __future__ import absolute_import
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# System modules
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import os
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import sys
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# Third-party modules
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import six
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# LLDB Modules
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import lldb
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from .lldbtest import *
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from . import lldbutil
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from lldbsuite.test.decorators import *
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@skipIfRemote
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@skipIfWindows # llvm.org/pr22274: need a pexpect replacement for windows
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class PExpectTest(TestBase):
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NO_DEBUG_INFO_TESTCASE = True
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PROMPT = "(lldb) "
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def expect_prompt(self):
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self.child.expect_exact(self.PROMPT)
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def launch(self, executable=None, extra_args=None, timeout=30, dimensions=None):
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logfile = getattr(sys.stdout, 'buffer',
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sys.stdout) if self.TraceOn() else None
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args = ['--no-lldbinit', '--no-use-colors']
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for cmd in self.setUpCommands():
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args += ['-O', cmd]
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if executable is not None:
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args += ['--file', executable]
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if extra_args is not None:
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args.extend(extra_args)
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env = dict(os.environ)
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env["TERM"]="vt100"
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import pexpect
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self.child = pexpect.spawn(
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lldbtest_config.lldbExec, args=args, logfile=logfile,
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timeout=timeout, dimensions=dimensions, env=env)
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self.expect_prompt()
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for cmd in self.setUpCommands():
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self.child.expect_exact(cmd)
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self.expect_prompt()
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if executable is not None:
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self.child.expect_exact("target create")
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self.child.expect_exact("Current executable set to")
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self.expect_prompt()
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def expect(self, cmd, substrs=None):
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self.assertNotIn('\n', cmd)
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# If 'substrs' is a string then this code would just check that every
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# character of the string is in the output.
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assert not isinstance(substrs, six.string_types), \
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"substrs must be a collection of strings"
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self.child.sendline(cmd)
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if substrs is not None:
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for s in substrs:
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self.child.expect_exact(s)
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self.expect_prompt()
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def quit(self, gracefully=True):
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self.child.sendeof()
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self.child.close(force=not gracefully)
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self.child = None
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def cursor_forward_escape_seq(self, chars_to_move):
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"""
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Returns the escape sequence to move the cursor forward/right
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by a certain amount of characters.
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"""
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return b"\x1b\[" + str(chars_to_move).encode("utf-8") + b"C"
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