109 lines
2.6 KiB
Python
109 lines
2.6 KiB
Python
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import pytest
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from pandas.errors import (
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AbstractMethodError,
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UndefinedVariableError,
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)
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import pandas as pd
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@pytest.mark.parametrize(
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"exc",
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[
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"UnsupportedFunctionCall",
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"UnsortedIndexError",
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"OutOfBoundsDatetime",
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"ParserError",
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"PerformanceWarning",
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"DtypeWarning",
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"EmptyDataError",
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"ParserWarning",
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"MergeError",
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"OptionError",
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"NumbaUtilError",
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"DataError",
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"SpecificationError",
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"SettingWithCopyError",
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"SettingWithCopyWarning",
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"NumExprClobberingError",
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"IndexingError",
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"PyperclipException",
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"CSSWarning",
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"ClosedFileError",
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"PossibleDataLossError",
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"IncompatibilityWarning",
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"AttributeConflictWarning",
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"DatabaseError",
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"PossiblePrecisionLoss",
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"CategoricalConversionWarning",
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"InvalidColumnName",
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"ValueLabelTypeMismatch",
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],
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)
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def test_exception_importable(exc):
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from pandas import errors
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err = getattr(errors, exc)
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assert err is not None
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# check that we can raise on them
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msg = "^$"
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with pytest.raises(err, match=msg):
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raise err()
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def test_catch_oob():
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from pandas import errors
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msg = "Out of bounds nanosecond timestamp: 1500-01-01 00:00:00"
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with pytest.raises(errors.OutOfBoundsDatetime, match=msg):
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pd.Timestamp("15000101")
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@pytest.mark.parametrize(
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"is_local",
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[
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True,
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False,
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],
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)
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def test_catch_undefined_variable_error(is_local):
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variable_name = "x"
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if is_local:
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msg = f"local variable '{variable_name}' is not defined"
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else:
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msg = f"name '{variable_name}' is not defined"
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with pytest.raises(UndefinedVariableError, match=msg):
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raise UndefinedVariableError(variable_name, is_local)
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class Foo:
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@classmethod
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def classmethod(cls):
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raise AbstractMethodError(cls, methodtype="classmethod")
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@property
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def property(self):
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raise AbstractMethodError(self, methodtype="property")
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def method(self):
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raise AbstractMethodError(self)
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def test_AbstractMethodError_classmethod():
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xpr = "This classmethod must be defined in the concrete class Foo"
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with pytest.raises(AbstractMethodError, match=xpr):
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Foo.classmethod()
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xpr = "This property must be defined in the concrete class Foo"
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with pytest.raises(AbstractMethodError, match=xpr):
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Foo().property
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xpr = "This method must be defined in the concrete class Foo"
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with pytest.raises(AbstractMethodError, match=xpr):
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Foo().method()
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