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f50830eae4
* tests: run on pyodide Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com> * ci: use cibuildwheel for pyodide test Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com> * tests: revert changes to test_embed Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com> --------- Signed-off-by: Henry Schreiner <henryschreineriii@gmail.com>
298 lines
7.1 KiB
Python
298 lines
7.1 KiB
Python
from __future__ import annotations
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import sys
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from contextlib import redirect_stderr, redirect_stdout
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from io import StringIO
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import pytest
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from pybind11_tests import iostream as m
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def test_captured(capsys):
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msg = "I've been redirected to Python, I hope!"
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m.captured_output(msg)
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stdout, stderr = capsys.readouterr()
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assert stdout == msg
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assert not stderr
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m.captured_output_default(msg)
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stdout, stderr = capsys.readouterr()
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assert stdout == msg
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assert not stderr
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m.captured_err(msg)
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stdout, stderr = capsys.readouterr()
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assert not stdout
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assert stderr == msg
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def test_captured_large_string(capsys):
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# Make this bigger than the buffer used on the C++ side: 1024 chars
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msg = "I've been redirected to Python, I hope!"
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msg = msg * (1024 // len(msg) + 1)
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m.captured_output_default(msg)
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stdout, stderr = capsys.readouterr()
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assert stdout == msg
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assert not stderr
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def test_captured_utf8_2byte_offset0(capsys):
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msg = "\u07ff"
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msg = "" + msg * (1024 // len(msg) + 1)
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m.captured_output_default(msg)
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stdout, stderr = capsys.readouterr()
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assert stdout == msg
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assert not stderr
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def test_captured_utf8_2byte_offset1(capsys):
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msg = "\u07ff"
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msg = "1" + msg * (1024 // len(msg) + 1)
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m.captured_output_default(msg)
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stdout, stderr = capsys.readouterr()
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assert stdout == msg
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assert not stderr
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def test_captured_utf8_3byte_offset0(capsys):
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msg = "\uffff"
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msg = "" + msg * (1024 // len(msg) + 1)
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m.captured_output_default(msg)
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stdout, stderr = capsys.readouterr()
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assert stdout == msg
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assert not stderr
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def test_captured_utf8_3byte_offset1(capsys):
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msg = "\uffff"
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msg = "1" + msg * (1024 // len(msg) + 1)
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m.captured_output_default(msg)
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stdout, stderr = capsys.readouterr()
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assert stdout == msg
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assert not stderr
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def test_captured_utf8_3byte_offset2(capsys):
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msg = "\uffff"
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msg = "12" + msg * (1024 // len(msg) + 1)
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m.captured_output_default(msg)
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stdout, stderr = capsys.readouterr()
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assert stdout == msg
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assert not stderr
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def test_captured_utf8_4byte_offset0(capsys):
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msg = "\U0010ffff"
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msg = "" + msg * (1024 // len(msg) + 1)
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m.captured_output_default(msg)
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stdout, stderr = capsys.readouterr()
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assert stdout == msg
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assert not stderr
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def test_captured_utf8_4byte_offset1(capsys):
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msg = "\U0010ffff"
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msg = "1" + msg * (1024 // len(msg) + 1)
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m.captured_output_default(msg)
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stdout, stderr = capsys.readouterr()
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assert stdout == msg
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assert not stderr
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def test_captured_utf8_4byte_offset2(capsys):
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msg = "\U0010ffff"
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msg = "12" + msg * (1024 // len(msg) + 1)
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m.captured_output_default(msg)
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stdout, stderr = capsys.readouterr()
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assert stdout == msg
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assert not stderr
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def test_captured_utf8_4byte_offset3(capsys):
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msg = "\U0010ffff"
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msg = "123" + msg * (1024 // len(msg) + 1)
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m.captured_output_default(msg)
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stdout, stderr = capsys.readouterr()
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assert stdout == msg
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assert not stderr
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def test_guard_capture(capsys):
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msg = "I've been redirected to Python, I hope!"
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m.guard_output(msg)
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stdout, stderr = capsys.readouterr()
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assert stdout == msg
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assert not stderr
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def test_series_captured(capture):
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with capture:
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m.captured_output("a")
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m.captured_output("b")
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assert capture == "ab"
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def test_flush(capfd):
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msg = "(not flushed)"
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msg2 = "(flushed)"
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with m.ostream_redirect():
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m.noisy_function(msg, flush=False)
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stdout, stderr = capfd.readouterr()
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assert not stdout
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m.noisy_function(msg2, flush=True)
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stdout, stderr = capfd.readouterr()
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assert stdout == msg + msg2
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m.noisy_function(msg, flush=False)
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stdout, stderr = capfd.readouterr()
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assert stdout == msg
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def test_not_captured(capfd):
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msg = "Something that should not show up in log"
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stream = StringIO()
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with redirect_stdout(stream):
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m.raw_output(msg)
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stdout, stderr = capfd.readouterr()
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assert stdout == msg
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assert not stderr
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assert not stream.getvalue()
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stream = StringIO()
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with redirect_stdout(stream):
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m.captured_output(msg)
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stdout, stderr = capfd.readouterr()
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assert not stdout
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assert not stderr
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assert stream.getvalue() == msg
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def test_err(capfd):
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msg = "Something that should not show up in log"
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stream = StringIO()
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with redirect_stderr(stream):
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m.raw_err(msg)
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stdout, stderr = capfd.readouterr()
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assert not stdout
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assert stderr == msg
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assert not stream.getvalue()
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stream = StringIO()
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with redirect_stderr(stream):
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m.captured_err(msg)
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stdout, stderr = capfd.readouterr()
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assert not stdout
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assert not stderr
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assert stream.getvalue() == msg
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def test_multi_captured(capfd):
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stream = StringIO()
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with redirect_stdout(stream):
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m.captured_output("a")
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m.raw_output("b")
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m.captured_output("c")
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m.raw_output("d")
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stdout, stderr = capfd.readouterr()
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assert stdout == "bd"
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assert stream.getvalue() == "ac"
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def test_dual(capsys):
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m.captured_dual("a", "b")
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stdout, stderr = capsys.readouterr()
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assert stdout == "a"
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assert stderr == "b"
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def test_redirect(capfd):
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msg = "Should not be in log!"
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stream = StringIO()
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with redirect_stdout(stream):
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m.raw_output(msg)
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stdout, stderr = capfd.readouterr()
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assert stdout == msg
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assert not stream.getvalue()
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stream = StringIO()
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with redirect_stdout(stream), m.ostream_redirect():
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m.raw_output(msg)
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stdout, stderr = capfd.readouterr()
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assert not stdout
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assert stream.getvalue() == msg
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stream = StringIO()
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with redirect_stdout(stream):
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m.raw_output(msg)
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stdout, stderr = capfd.readouterr()
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assert stdout == msg
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assert not stream.getvalue()
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def test_redirect_err(capfd):
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msg = "StdOut"
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msg2 = "StdErr"
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stream = StringIO()
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with redirect_stderr(stream), m.ostream_redirect(stdout=False):
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m.raw_output(msg)
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m.raw_err(msg2)
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stdout, stderr = capfd.readouterr()
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assert stdout == msg
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assert not stderr
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assert stream.getvalue() == msg2
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def test_redirect_both(capfd):
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msg = "StdOut"
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msg2 = "StdErr"
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stream = StringIO()
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stream2 = StringIO()
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with redirect_stdout(stream), redirect_stderr(stream2), m.ostream_redirect():
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m.raw_output(msg)
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m.raw_err(msg2)
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stdout, stderr = capfd.readouterr()
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assert not stdout
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assert not stderr
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assert stream.getvalue() == msg
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assert stream2.getvalue() == msg2
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@pytest.mark.skipif(sys.platform.startswith("emscripten"), reason="Requires threads")
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def test_threading():
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with m.ostream_redirect(stdout=True, stderr=False):
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# start some threads
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threads = []
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# start some threads
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for _j in range(20):
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threads.append(m.TestThread())
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# give the threads some time to fail
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threads[0].sleep()
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# stop all the threads
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for t in threads:
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t.stop()
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for t in threads:
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t.join()
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# if a thread segfaults, we don't get here
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assert True
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