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Artem Akymenko
d8fcfb1cce
- Add .gitattributes with text=auto eol=lf for all text files - Renormalize all files in index to LF line endings - Fixes massive whitespace-only diffs between main and feature branch
86 lines
2.5 KiB
Python
86 lines
2.5 KiB
Python
"""Contract tests for error hierarchy.
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These tests verify that the error hierarchy satisfies the architectural requirements:
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- All errors inherit from EngineError
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- EngineError inherits from Exception
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- Each error type is properly classified
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"""
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import pytest
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from abogen.tts_plugin.errors import (
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CancelledError,
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ConfigurationError,
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EngineError,
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InternalError,
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InvalidInputError,
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ModelLoadError,
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ModelNotFoundError,
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NetworkError,
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)
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class TestErrorHierarchyContract:
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"""Contract tests for the error hierarchy."""
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def test_engine_error_is_exception(self) -> None:
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assert issubclass(EngineError, Exception)
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def test_all_errors_inherit_from_engine_error(self) -> None:
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error_classes = [
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ModelNotFoundError,
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ModelLoadError,
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NetworkError,
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InvalidInputError,
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ConfigurationError,
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CancelledError,
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InternalError,
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]
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for error_class in error_classes:
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assert issubclass(error_class, EngineError), (
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f"{error_class.__name__} must inherit from EngineError"
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)
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def test_all_errors_are_catchable(self) -> None:
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error_classes = [
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EngineError,
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ModelNotFoundError,
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ModelLoadError,
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NetworkError,
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InvalidInputError,
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ConfigurationError,
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CancelledError,
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InternalError,
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]
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for error_class in error_classes:
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with pytest.raises(EngineError):
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raise error_class("test message")
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def test_error_message_preserved(self) -> None:
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msg = "Model not found: bert-base"
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with pytest.raises(ModelNotFoundError, match=msg):
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raise ModelNotFoundError(msg)
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def test_error_can_be_caught_as_engine_error(self) -> None:
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with pytest.raises(EngineError):
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raise ModelNotFoundError("test")
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def test_cancelled_error_is_engine_error(self) -> None:
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"""CancelledError is a subtype of EngineError per architecture spec."""
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assert issubclass(CancelledError, EngineError)
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def test_error_hierarchy_no_cycles(self) -> None:
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"""Verify no circular inheritance."""
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error_classes = [
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EngineError,
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ModelNotFoundError,
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ModelLoadError,
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NetworkError,
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InvalidInputError,
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ConfigurationError,
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CancelledError,
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InternalError,
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]
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for cls in error_classes:
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assert cls not in cls.__bases__
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