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test(cli): read the backtest help without terminal styling

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- colour splits "--start" across escape sequences, so the assertion strips them
This commit is contained in:
Yijia-Xiao
2026-09-18 05:13:46 +00:00
parent c039e39056
commit 76a93d615a
1 changed files with 5 additions and 1 deletions
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6
tests/test_cli_commands.py
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@@ -82,13 +82,17 @@ class _Summary:
def test_every_command_is_registered_when_run_as_a_module(): def test_every_command_is_registered_when_run_as_a_module():
"""README documents `python -m cli.main`, which executes the file top to """README documents `python -m cli.main`, which executes the file top to
bottom, so a command defined after the __main__ block would not exist.""" bottom, so a command defined after the __main__ block would not exist."""
import re
import subprocess import subprocess
import sys import sys
out = subprocess.run([sys.executable, "-m", "cli.main", "backtest", "--help"], out = subprocess.run([sys.executable, "-m", "cli.main", "backtest", "--help"],
capture_output=True, text=True, timeout=120) capture_output=True, text=True, timeout=120)
assert out.returncode == 0, out.stderr[-400:] assert out.returncode == 0, out.stderr[-400:]
assert "--start" in out.stdout # Where the terminal takes colour, help styles each option and splits
# "--start" across escape sequences, so read the text without them.
plain = re.sub(r"\x1b\[[0-9;]*m", "", out.stdout)
assert "--start" in plain
@pytest.mark.unit @pytest.mark.unit