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49 lines
1.7 KiB
Python
49 lines
1.7 KiB
Python
"""Regression test: malformed numeric env vars must not crash config import.
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TEMPERATURE / MAX_TOKENS / MAX_OUTPUT_LENGTH were parsed with bare
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float()/int() at import time, so e.g. MAX_TOKENS=abc crashed every tool with
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ValueError. They now fall back to defaults with a warning.
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"""
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import importlib
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import os
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from pathlib import Path
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import config as cfg
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def test_env_int_falls_back_on_malformed(monkeypatch, capsys):
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monkeypatch.setenv("MAX_TOKENS", "abc")
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assert cfg._env_int("MAX_TOKENS", 4096) == 4096
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assert "invalid MAX_TOKENS" in capsys.readouterr().err
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def test_env_int_parses_valid_value(monkeypatch):
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monkeypatch.setenv("MAX_TOKENS", "123")
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assert cfg._env_int("MAX_TOKENS", 4096) == 123
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def test_env_float_falls_back_on_malformed(monkeypatch, capsys):
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monkeypatch.setenv("TEMPERATURE", "hot")
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assert cfg._env_float("TEMPERATURE", 0.7) == 0.7
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assert "invalid TEMPERATURE" in capsys.readouterr().err
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def test_env_float_parses_valid_value(monkeypatch):
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monkeypatch.setenv("TEMPERATURE", "0.2")
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assert cfg._env_float("TEMPERATURE", 0.7) == 0.2
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def test_module_import_survives_malformed_env(monkeypatch):
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"""Import-time class attributes must not raise on malformed env values."""
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monkeypatch.setenv("MAX_OUTPUT_LENGTH", "lots")
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# Execute a fresh copy under a unique name without replacing the shared
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# config module that implementation modules imported during collection.
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spec = importlib.util.spec_from_file_location(
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"_execution_tools_config_malformed_test",
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Path(cfg.__file__),
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)
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assert spec is not None and spec.loader is not None
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fresh = importlib.util.module_from_spec(spec)
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spec.loader.exec_module(fresh)
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assert fresh.Config.MAX_OUTPUT_LENGTH == 1000
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