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87 lines
2.3 KiB
Python
87 lines
2.3 KiB
Python
from __future__ import annotations
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import os
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import sys
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from pathlib import Path
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from typing import Any
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from typing import Callable
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from typing import Coroutine
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import coverage
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import gdb
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import pytest
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PWNDBG_ROOT = os.environ["TEST_PWNDBG_ROOT"]
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# Prepare the test host environment for the Debugger API tests.
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host_home = f"{PWNDBG_ROOT}/tests/"
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if host_home not in sys.path:
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sys.path.append(host_home)
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import host
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class _GDBController(host.Controller):
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async def launch(self, binary_path: Path) -> None:
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"""
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Launch the given binary.
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GDB hides the asynchronous heavy lifting from us, so this call is
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synchronous.
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"""
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os.environ["PWNDBG_IN_TEST"] = "1"
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gdb.execute(f"file {binary_path}")
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gdb.execute("set exception-verbose on")
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gdb.execute("set width 80")
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gdb.execute("set context-reserve-lines never")
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os.environ["COLUMNS"] = "80"
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gdb.execute("starti " + " ".join(args))
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def _start(outer: Callable[[host.Controller], Coroutine[Any, Any, None]]) -> None:
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# The GDB controller is entirely synchronous, so keep advancing the
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# corountine unconditionally until it ends..
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coroutine = outer(_GDBController())
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try:
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coroutine.send(None)
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except StopIteration:
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pass
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host.start = _start
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# Start the test, proper.
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use_pdb = os.environ.get("USE_PDB") == "1"
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sys._pwndbg_unittest_run = True # type: ignore[attr-defined]
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test = os.environ["PWNDBG_LAUNCH_TEST"]
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args = [test, "-vvv", "-s", "--showlocals", "--color=yes"]
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if use_pdb:
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args.append("--pdb")
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print(f"Launching pytest with args: {args}")
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return_code = pytest.main(args)
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if return_code != 0:
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print("-" * 80)
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print("If you want to debug tests locally, run ./tests.sh with the --pdb flag")
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print("-" * 80)
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# We must call these functions manually to flush the code coverage data to disk since the sys.exit() call
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# might've been replaced by os._exit() in gdbinit.py.
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# https://github.com/nedbat/coveragepy/issues/310
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if (cov := coverage.Coverage.current()) is not None:
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cov.stop()
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cov.save()
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# `sys.exit` triggers a GDB detach, while `os._exit` does not.
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# This allows the debugging session to remain at the same PC location,
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# which is useful for attaching to qemu-system multiple times.
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sys.stdout.flush()
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sys.stderr.flush()
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os._exit(return_code)
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