c5ce06b87b
Exercise a real child writing beyond pipe capacity on success and failure. Both tests fail on upstream/main and pass with the merged stdout routing. Annotate the matrix rank input for TypeScript 6 checkJs.
33 lines
1007 B
Python
33 lines
1007 B
Python
"""Installer progress must use the stream drained by the desktop updater."""
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import subprocess
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import sys
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import pytest
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from hermes_cli.main_install_repair import _run_install_with_heartbeat
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@pytest.mark.parametrize("exit_code", [0, 7])
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def test_installer_stderr_streams_to_stdout(tmp_path, monkeypatch, capfd, exit_code):
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import hermes_cli.main as main
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monkeypatch.setattr(main, "PROJECT_ROOT", tmp_path)
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# More than a pipe buffer of progress, from a real child on the native host.
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size = 256 * 1024
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cmd = [
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sys.executable,
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"-c",
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f"import sys; sys.stderr.write('x' * {size}); sys.stderr.flush(); sys.exit({exit_code})",
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]
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if exit_code:
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with pytest.raises(subprocess.CalledProcessError) as error:
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_run_install_with_heartbeat(cmd)
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assert error.value.returncode == exit_code
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else:
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_run_install_with_heartbeat(cmd)
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output = capfd.readouterr()
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assert output.out == "x" * size
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assert output.err == ""
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