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6fcd7e02b8
* docs: add note to docstring * feat: print spawn logs on failure, and fix failure in test The test was failing because it turns out that `tui` won't print letters that must not change, when running an interactive TUI. I changed the error message for something that will force all letters to change. This way it works as expected. Co-authored-by: Jairo Llopis <yajo.sk8@gmail.com>
42 lines
1.5 KiB
Python
42 lines
1.5 KiB
Python
import platform
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import sys
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from pathlib import Path
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import pytest
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from coverage.tracer import CTracer
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from pexpect.popen_spawn import PopenSpawn
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from plumbum.cmd import git
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@pytest.fixture
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def src_repo(tmp_path_factory) -> Path:
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"""Quick helper to avoid creating template repo constantly."""
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result = tmp_path_factory.mktemp("src_repo")
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git("-C", result, "init")
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return result
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@pytest.fixture
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def spawn():
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"""Spawn a copier process TUI to interact with."""
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if platform.system() == "Windows":
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# HACK https://github.com/prompt-toolkit/python-prompt-toolkit/issues/1243#issuecomment-706668723
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# FIXME Use pexpect or wexpect somehow to fix this
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pytest.xfail(
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"pexpect fails on Windows",
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)
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def _spawn(cmd, *, timeout=None, logfile=sys.stderr.buffer, **kwargs) -> PopenSpawn:
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# Disable subprocess timeout if debugging (except coverage), for commodity
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# See https://stackoverflow.com/a/67065084/1468388
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tracer = getattr(sys, "gettrace", lambda: None)()
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if not isinstance(tracer, (CTracer, type(None))):
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timeout = None
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# Using PopenSpawn, although probably it would be best to use pexpect.spawn
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# instead. However, it's working fine and it seems easier to fix in the
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# future to work on Windows (where, this way, spawning actually works; it's just
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# python-prompt-toolkit that rejects displaying a TUI)
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return PopenSpawn(cmd, timeout, logfile=logfile, **kwargs)
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return _spawn
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