(
tmpdir, # type: Any
venv, # type: bool
layout, # type: Layout.Value
installable_type, # type: InstallableType.Value
)
| 40 | ], |
| 41 | ) |
| 42 | def test_setproctitle( |
| 43 | tmpdir, # type: Any |
| 44 | venv, # type: bool |
| 45 | layout, # type: Layout.Value |
| 46 | installable_type, # type: InstallableType.Value |
| 47 | ): |
| 48 | # type: (...) -> None |
| 49 | |
| 50 | pid_file = os.path.join(str(tmpdir), "pid") |
| 51 | os.mkfifo(pid_file) |
| 52 | |
| 53 | src = os.path.join(str(tmpdir), "src") |
| 54 | with safe_open(os.path.join(src, "app.py"), "w") as fp: |
| 55 | fp.write( |
| 56 | dedent( |
| 57 | """\ |
| 58 | from __future__ import print_function |
| 59 | |
| 60 | import os |
| 61 | import threading |
| 62 | |
| 63 | # Indicate PEX boot is complete and we've reached user code. |
| 64 | with open({pid_file!r}, "w") as fp: |
| 65 | print(str(os.getpid()), file=fp) |
| 66 | |
| 67 | # Run forever to ensure there is time to read out our `ps` info. |
| 68 | cv = threading.Condition() |
| 69 | with cv: |
| 70 | cv.wait() |
| 71 | """.format( |
| 72 | pid_file=pid_file |
| 73 | ) |
| 74 | ) |
| 75 | ) |
| 76 | |
| 77 | build_pex_args = [ |
| 78 | "-D", |
| 79 | src, |
| 80 | "-m", |
| 81 | "app", |
| 82 | "--layout", |
| 83 | layout.value, |
| 84 | get_installable_type_flag(installable_type), |
| 85 | ] |
| 86 | if venv: |
| 87 | build_pex_args.append("--venv") |
| 88 | |
| 89 | def grab_ps( |
| 90 | pex, # type: str |
| 91 | *extra_pex_args # type: str |
| 92 | ): |
| 93 | # type: (...) -> Tuple[Text, Text] |
| 94 | run_pex_command(args=build_pex_args + ["-o", pex] + list(extra_pex_args)).assert_success() |
| 95 | |
| 96 | process = subprocess.Popen(args=[sys.executable, pex, "--some", "arguments", "here"]) |
| 97 | try: |
| 98 | # N.B.: We need to block on receiving the pid via fifo to prove that the PEX runtime has |
| 99 | # finished booting and completed any and all re-execs and landed in user code. |
nothing calls this directly
no test coverage detected