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import datetime |
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import uuid |
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from decimal import Decimal |
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from typing import ( |
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Any, |
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List, |
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Set, |
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Type, |
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) |
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import pytest |
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from typing_extensions import assert_type |
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from pyiceberg.expressions.literals import ( |
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BinaryLiteral, |
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BooleanLiteral, |
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DateLiteral, |
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DecimalLiteral, |
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DoubleLiteral, |
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FixedLiteral, |
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FloatAboveMax, |
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FloatBelowMin, |
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FloatLiteral, |
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IntAboveMax, |
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IntBelowMin, |
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Literal, |
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LongLiteral, |
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StringLiteral, |
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TimeLiteral, |
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TimestampLiteral, |
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literal, |
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) |
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from pyiceberg.types import ( |
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BinaryType, |
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BooleanType, |
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DateType, |
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DecimalType, |
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DoubleType, |
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FixedType, |
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FloatType, |
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IntegerType, |
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LongType, |
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PrimitiveType, |
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StringType, |
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TimestampType, |
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TimestamptzType, |
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TimeType, |
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UUIDType, |
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) |
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def test_literal_from_none_error() -> None: |
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with pytest.raises(TypeError) as e: |
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literal(None) |
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assert "Invalid literal value: None" in str(e.value) |
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def test_literal_from_nan_error() -> None: |
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with pytest.raises(ValueError) as e: |
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literal(float("nan")) |
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assert "Cannot create expression literal from NaN." in str(e.value) |
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@pytest.mark.parametrize( |
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"literal_class", |
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[ |
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BooleanLiteral, |
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LongLiteral, |
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FloatLiteral, |
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DoubleLiteral, |
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DateLiteral, |
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TimeLiteral, |
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TimestampLiteral, |
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DecimalLiteral, |
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StringLiteral, |
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FixedLiteral, |
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BinaryLiteral, |
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], |
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) |
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def test_literal_classes_with_none_type_error(literal_class: Type[PrimitiveType]) -> None: |
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with pytest.raises(TypeError) as e: |
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literal_class(None) |
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assert "Invalid literal value: None" in str(e.value) |
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@pytest.mark.parametrize("literal_class", [FloatLiteral, DoubleLiteral]) |
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def test_literal_classes_with_nan_value_error(literal_class: Type[PrimitiveType]) -> None: |
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with pytest.raises(ValueError) as e: |
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literal_class(float("nan")) |
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assert "Cannot create expression literal from NaN." in str(e.value) |
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def test_numeric_literal_comparison() -> None: |
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small_lit = literal(10).to(IntegerType()) |
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big_lit = literal(1000).to(IntegerType()) |
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assert small_lit != big_lit |
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assert small_lit == literal(10) |
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assert small_lit < big_lit |
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assert small_lit <= big_lit |
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assert big_lit > small_lit |
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assert big_lit >= small_lit |
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def test_integer_to_long_conversion() -> None: |
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lit = literal(34).to(IntegerType()) |
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long_lit = lit.to(LongType()) |
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assert lit.value == long_lit.value |
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def test_integer_to_float_conversion() -> None: |
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lit = literal(34).to(IntegerType()) |
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float_lit = lit.to(FloatType()) |
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assert lit.value == float_lit.value |
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def test_integer_to_double_conversion() -> None: |
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lit = literal(34).to(IntegerType()) |
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dbl_lit = lit.to(DoubleType()) |
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assert lit.value == dbl_lit.value |
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@pytest.mark.parametrize( |
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"decimal_type, decimal_value", [(DecimalType(9, 0), "34"), (DecimalType(9, 2), "34.00"), (DecimalType(9, 4), "34.0000")] |
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) |
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def test_integer_to_decimal_conversion(decimal_type: DecimalType, decimal_value: str) -> None: |
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lit = literal(34).to(IntegerType()) |
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assert lit.to(decimal_type).value.as_tuple() == Decimal(decimal_value).as_tuple() |
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def test_integer_to_date_conversion() -> None: |
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one_day = "2022-03-28" |
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date_delta = (datetime.date.fromisoformat(one_day) - datetime.date.fromisoformat("1970-01-01")).days |
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date_lit = literal(date_delta).to(DateType()) |
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assert isinstance(date_lit, DateLiteral) |
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assert date_lit.value == date_delta |
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def test_long_to_integer_within_bound() -> None: |
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lit = literal(34).to(LongType()) |
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int_lit = lit.to(IntegerType()) |
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assert lit.value == int_lit.value |
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def test_long_to_integer_outside_bound() -> None: |
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big_lit = literal(IntegerType.max + 1).to(LongType()) |
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above_max_lit = big_lit.to(IntegerType()) |
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assert above_max_lit == IntAboveMax() |
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small_lit = literal(IntegerType.min - 1).to(LongType()) |
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below_min_lit = small_lit.to(IntegerType()) |
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assert below_min_lit == IntBelowMin() |
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def test_long_to_float_conversion() -> None: |
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lit = literal(34).to(LongType()) |
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float_lit = lit.to(FloatType()) |
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assert lit.value == float_lit.value |
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def test_long_to_double_conversion() -> None: |
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lit = literal(34).to(LongType()) |
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dbl_lit = lit.to(DoubleType()) |
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assert lit.value == dbl_lit.value |
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def test_long_to_time() -> None: |
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long_lit = literal(51661919000).to(LongType()) |
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time_lit = long_lit.to(TimeType()) |
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assert isinstance(time_lit, TimeLiteral) |
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assert time_lit.value == long_lit.value |
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def test_long_to_timestamp() -> None: |
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long_lit = literal(1647305201).to(LongType()) |
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timestamp_lit = long_lit.to(TimestampType()) |
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assert timestamp_lit.value == long_lit.value |
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@pytest.mark.parametrize( |
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"decimal_type, decimal_value", [(DecimalType(9, 0), "34"), (DecimalType(9, 2), "34.00"), (DecimalType(9, 4), "34.0000")] |
|
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) |
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|
def test_long_to_decimal_conversion(decimal_type: DecimalType, decimal_value: str) -> None: |
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lit = literal(34).to(LongType()) |
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assert lit.to(decimal_type).value.as_tuple() == Decimal(decimal_value).as_tuple() |
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def test_float_to_double() -> None: |
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|
lit = literal(34.56).to(FloatType()) |
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dbl_lit = lit.to(DoubleType()) |
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assert lit.value == dbl_lit.value |
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@pytest.mark.parametrize( |
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|
"decimal_type, decimal_value", [(DecimalType(9, 1), "34.6"), (DecimalType(9, 2), "34.56"), (DecimalType(9, 4), "34.5600")] |
|
|
) |
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|
def test_float_to_decimal_conversion(decimal_type: DecimalType, decimal_value: str) -> None: |
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lit = literal(34.56).to(FloatType()) |
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assert lit.to(decimal_type).value.as_tuple() == Decimal(decimal_value).as_tuple() |
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def test_double_to_float_within_bound() -> None: |
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lit = literal(34.56).to(DoubleType()) |
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float_lit = lit.to(FloatType()) |
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assert lit.value == float_lit.value |
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def test_double_to_float_outside_bound() -> None: |
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|
big_lit = literal(FloatType.max + 1.0e37).to(DoubleType()) |
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|
above_max_lit = big_lit.to(FloatType()) |
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|
assert above_max_lit == FloatAboveMax() |
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|
small_lit = literal(FloatType.min - 1.0e37).to(DoubleType()) |
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|
below_min_lit = small_lit.to(FloatType()) |
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|
assert below_min_lit == FloatBelowMin() |
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|
@pytest.mark.parametrize( |
|
|
"decimal_type, decimal_value", [(DecimalType(9, 1), "34.6"), (DecimalType(9, 2), "34.56"), (DecimalType(9, 4), "34.5600")] |
|
|
) |
|
|
def test_double_to_decimal_conversion(decimal_type: DecimalType, decimal_value: str) -> None: |
|
|
lit = literal(34.56).to(DoubleType()) |
|
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|
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|
assert lit.to(decimal_type).value.as_tuple() == Decimal(decimal_value).as_tuple() |
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def test_decimal_to_decimal_conversion() -> None: |
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|
lit = literal(Decimal("34.11").quantize(Decimal(".01"))) |
|
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|
|
assert lit.value.as_tuple() == lit.to(DecimalType(9, 2)).value.as_tuple() |
|
|
assert lit.value.as_tuple() == lit.to(DecimalType(11, 2)).value.as_tuple() |
|
|
with pytest.raises(ValueError) as e: |
|
|
_ = lit.to(DecimalType(9, 0)) |
|
|
assert "Could not convert 34.11 into a decimal(9, 0)" in str(e.value) |
|
|
with pytest.raises(ValueError) as e: |
|
|
_ = lit.to(DecimalType(9, 1)) |
|
|
assert "Could not convert 34.11 into a decimal(9, 1)" in str(e.value) |
|
|
with pytest.raises(ValueError) as e: |
|
|
_ = lit.to(DecimalType(9, 3)) |
|
|
assert "Could not convert 34.11 into a decimal(9, 3)" in str(e.value) |
|
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|
|
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|
def test_timestamp_to_date() -> None: |
|
|
epoch_lit = TimestampLiteral(int(datetime.datetime.fromisoformat("1970-01-01T00:00:00.000000+00:00").timestamp() * 1_000_000)) |
|
|
date_lit = epoch_lit.to(DateType()) |
|
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|
|
assert date_lit.value == 0 |
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def test_string_literal() -> None: |
|
|
sqrt2 = literal("1.414").to(StringType()) |
|
|
pi = literal("3.141").to(StringType()) |
|
|
pi_string_lit = StringLiteral("3.141") |
|
|
pi_double_lit = literal(3.141).to(DoubleType()) |
|
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|
|
assert literal("3.141").to(IntegerType()) == literal(3) |
|
|
assert literal("3.141").to(LongType()) == literal(3) |
|
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|
|
assert sqrt2 != pi |
|
|
assert pi != pi_double_lit |
|
|
assert pi == pi_string_lit |
|
|
assert pi == pi |
|
|
assert sqrt2 < pi |
|
|
assert sqrt2 <= pi |
|
|
assert pi > sqrt2 |
|
|
assert pi >= sqrt2 |
|
|
assert str(pi) == "3.141" |
|
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def test_string_to_string_literal() -> None: |
|
|
assert literal("abc") == literal("abc").to(StringType()) |
|
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|
def test_string_to_date_literal() -> None: |
|
|
one_day = "2017-08-18" |
|
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date_lit = literal(one_day).to(DateType()) |
|
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|
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date_delta = (datetime.date.fromisoformat(one_day) - datetime.date.fromisoformat("1970-01-01")).days |
|
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assert date_delta == date_lit.value |
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|
def test_string_to_time_literal() -> None: |
|
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time_str = literal("14:21:01.919") |
|
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time_lit = time_str.to(TimeType()) |
|
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avro_val = 51661919000 |
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assert isinstance(time_lit, TimeLiteral) |
|
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assert avro_val == time_lit.value |
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|
|
def test_string_to_timestamp_literal() -> None: |
|
|
timestamp_str = literal("2017-08-18T14:21:01.919234+00:00") |
|
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timestamp = timestamp_str.to(TimestamptzType()) |
|
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|
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avro_val = 1503066061919234 |
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assert avro_val == timestamp.value |
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timestamp_str = literal("2017-08-18T14:21:01.919234") |
|
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timestamp = timestamp_str.to(TimestampType()) |
|
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assert avro_val == timestamp.value |
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timestamp_str = literal("2017-08-18T14:21:01.919234-07:00") |
|
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timestamp = timestamp_str.to(TimestamptzType()) |
|
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avro_val = 1503091261919234 |
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assert avro_val == timestamp.value |
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|
def test_timestamp_with_zone_without_zone_in_literal() -> None: |
|
|
timestamp_str = literal("2017-08-18T14:21:01.919234") |
|
|
with pytest.raises(ValueError) as e: |
|
|
_ = timestamp_str.to(timestamp_str.to(TimestamptzType())) |
|
|
assert "Missing zone offset: 2017-08-18T14:21:01.919234 (must be ISO-8601)" in str(e.value) |
|
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def test_invalid_timestamp_in_literal() -> None: |
|
|
timestamp_str = literal("abc") |
|
|
with pytest.raises(ValueError) as e: |
|
|
_ = timestamp_str.to(timestamp_str.to(TimestamptzType())) |
|
|
assert "Invalid timestamp with zone: abc (must be ISO-8601)" in str(e.value) |
|
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|
|
|
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|
|
def test_timestamp_without_zone_with_zone_in_literal() -> None: |
|
|
timestamp_str = literal("2017-08-18T14:21:01.919234+07:00") |
|
|
with pytest.raises(ValueError) as e: |
|
|
_ = timestamp_str.to(TimestampType()) |
|
|
assert "Zone offset provided, but not expected: 2017-08-18T14:21:01.919234+07:00" in str(e.value) |
|
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|
|
|
|
|
|
def test_invalid_timestamp_with_zone_in_literal() -> None: |
|
|
timestamp_str = literal("abc") |
|
|
with pytest.raises(ValueError) as e: |
|
|
_ = timestamp_str.to(TimestampType()) |
|
|
assert "Invalid timestamp without zone: abc (must be ISO-8601)" in str(e.value) |
|
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|
|
|
|
|
|
def test_string_to_uuid_literal() -> None: |
|
|
expected = uuid.uuid4() |
|
|
uuid_str = literal(str(expected)) |
|
|
uuid_lit = uuid_str.to(UUIDType()) |
|
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|
|
|
assert expected.bytes == uuid_lit.value |
|
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|
|
|
|
|
|
def test_string_to_decimal_literal() -> None: |
|
|
decimal_str = literal("34.560") |
|
|
decimal_lit = decimal_str.to(DecimalType(9, 3)) |
|
|
|
|
|
assert 3 == abs(decimal_lit.value.as_tuple().exponent) |
|
|
assert Decimal("34.560").as_tuple() == decimal_lit.value.as_tuple() |
|
|
|
|
|
|
|
|
def test_string_to_boolean_literal() -> None: |
|
|
assert literal(True) == literal("true").to(BooleanType()) |
|
|
assert literal(True) == literal("True").to(BooleanType()) |
|
|
assert literal(False) == literal("false").to(BooleanType()) |
|
|
assert literal(False) == literal("False").to(BooleanType()) |
|
|
|
|
|
|
|
|
def test_invalid_string_to_boolean_literal() -> None: |
|
|
invalid_boolean_str = literal("unknown") |
|
|
with pytest.raises(ValueError) as e: |
|
|
_ = invalid_boolean_str.to(BooleanType()) |
|
|
assert "Could not convert unknown into a boolean" in str(e.value) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
def test_python_date_conversion() -> None: |
|
|
one_day_str = "2022-03-28" |
|
|
|
|
|
from_str_lit = literal(one_day_str).to(DateType()) |
|
|
|
|
|
assert isinstance(from_str_lit, DateLiteral) |
|
|
assert from_str_lit.value == 19079 |
|
|
|
|
|
|
|
|
@pytest.mark.parametrize( |
|
|
"lit, primitive_type", |
|
|
[ |
|
|
(literal(True), BooleanType()), |
|
|
(literal(34), IntegerType()), |
|
|
(literal(3400000000), LongType()), |
|
|
(literal(34.11), FloatType()), |
|
|
(literal(3.5028235e38), DoubleType()), |
|
|
(literal(Decimal(34.55).quantize(Decimal("0.01"))), DecimalType(9, 2)), |
|
|
(literal("2017-08-18"), DateType()), |
|
|
(literal("14:21:01.919"), TimeType()), |
|
|
(literal("2017-08-18T14:21:01.919"), TimestampType()), |
|
|
(literal("abc"), StringType()), |
|
|
(literal(uuid.uuid4()), UUIDType()), |
|
|
(literal(bytes([0x01, 0x02, 0x03])), FixedType(3)), |
|
|
], |
|
|
) |
|
|
def test_identity_conversions(lit: Literal[Any], primitive_type: PrimitiveType) -> None: |
|
|
expected = lit.to(primitive_type) |
|
|
assert expected is expected.to(primitive_type) |
|
|
|
|
|
|
|
|
def test_fixed_literal() -> None: |
|
|
fixed_lit012 = literal(bytes([0x00, 0x01, 0x02])) |
|
|
fixed_lit013 = literal(bytes([0x00, 0x01, 0x03])) |
|
|
assert fixed_lit012 == fixed_lit012 |
|
|
assert fixed_lit012 != fixed_lit013 |
|
|
assert fixed_lit012 < fixed_lit013 |
|
|
assert fixed_lit012 <= fixed_lit013 |
|
|
assert fixed_lit013 > fixed_lit012 |
|
|
assert fixed_lit013 >= fixed_lit012 |
|
|
|
|
|
|
|
|
def test_binary_literal() -> None: |
|
|
bin_lit012 = literal(bytes([0x00, 0x01, 0x02])) |
|
|
bin_lit013 = literal(bytes([0x00, 0x01, 0x03])) |
|
|
assert bin_lit012 == bin_lit012 |
|
|
assert bin_lit012 != bin_lit013 |
|
|
assert bin_lit012 < bin_lit013 |
|
|
assert bin_lit012 <= bin_lit013 |
|
|
assert bin_lit013 > bin_lit012 |
|
|
assert bin_lit013 >= bin_lit012 |
|
|
|
|
|
|
|
|
|
|
|
def test_raise_on_comparison_to_none() -> None: |
|
|
bin_lit012 = literal(bytes([0x00, 0x01, 0x02])) |
|
|
fixed_lit012 = literal(bytes([0x00, 0x01, 0x02])) |
|
|
|
|
|
with pytest.raises(AttributeError): |
|
|
_ = bin_lit012 < None |
|
|
|
|
|
with pytest.raises(AttributeError): |
|
|
_ = bin_lit012 <= None |
|
|
|
|
|
with pytest.raises(AttributeError): |
|
|
_ = bin_lit012 > None |
|
|
|
|
|
with pytest.raises(AttributeError): |
|
|
_ = bin_lit012 >= None |
|
|
|
|
|
with pytest.raises(AttributeError): |
|
|
_ = fixed_lit012 < None |
|
|
|
|
|
with pytest.raises(AttributeError): |
|
|
_ = fixed_lit012 <= None |
|
|
|
|
|
with pytest.raises(AttributeError): |
|
|
_ = fixed_lit012 > None |
|
|
|
|
|
with pytest.raises(AttributeError): |
|
|
_ = fixed_lit012 >= None |
|
|
|
|
|
|
|
|
def test_binary_to_fixed() -> None: |
|
|
lit = literal(bytes([0x00, 0x01, 0x02])) |
|
|
fixed_lit = lit.to(FixedType(3)) |
|
|
assert fixed_lit is not None |
|
|
assert lit.value == fixed_lit.value |
|
|
|
|
|
with pytest.raises(TypeError) as e: |
|
|
_ = lit.to(FixedType(4)) |
|
|
assert "Cannot convert BinaryLiteral into fixed[4], different length: 4 <> 3" in str(e.value) |
|
|
|
|
|
|
|
|
def test_binary_to_smaller_fixed_none() -> None: |
|
|
lit = literal(bytes([0x00, 0x01, 0x02])) |
|
|
|
|
|
with pytest.raises(TypeError) as e: |
|
|
_ = lit.to(FixedType(2)) |
|
|
assert "Cannot convert BinaryLiteral into fixed[2], different length: 2 <> 3" in str(e.value) |
|
|
|
|
|
|
|
|
def test_binary_to_uuid() -> None: |
|
|
test_uuid = uuid.uuid4() |
|
|
lit = literal(test_uuid.bytes) |
|
|
uuid_lit = lit.to(UUIDType()) |
|
|
assert uuid_lit is not None |
|
|
assert lit.value == uuid_lit.value |
|
|
assert uuid_lit.value == test_uuid.bytes |
|
|
|
|
|
|
|
|
def test_incompatible_binary_to_uuid() -> None: |
|
|
lit = literal(bytes([0x00, 0x01, 0x02])) |
|
|
with pytest.raises(TypeError) as e: |
|
|
_ = lit.to(UUIDType()) |
|
|
assert "Cannot convert BinaryLiteral into uuid, different length: 16 <> 3" in str(e.value) |
|
|
|
|
|
|
|
|
def test_fixed_to_binary() -> None: |
|
|
lit = literal(bytes([0x00, 0x01, 0x02])).to(FixedType(3)) |
|
|
binary_lit = lit.to(BinaryType()) |
|
|
assert binary_lit is not None |
|
|
assert lit.value == binary_lit.value |
|
|
|
|
|
|
|
|
def test_fixed_to_smaller_fixed_none() -> None: |
|
|
lit = literal(bytes([0x00, 0x01, 0x02])).to(FixedType(3)) |
|
|
with pytest.raises(ValueError) as e: |
|
|
lit.to(lit.to(FixedType(2))) |
|
|
assert "Could not convert b'\\x00\\x01\\x02' into a fixed[2]" in str(e.value) |
|
|
|
|
|
|
|
|
def test_fixed_to_uuid() -> None: |
|
|
test_uuid = uuid.uuid4() |
|
|
lit = literal(test_uuid.bytes).to(FixedType(16)) |
|
|
uuid_lit = lit.to(UUIDType()) |
|
|
assert uuid_lit is not None |
|
|
assert lit.value == uuid_lit.value |
|
|
assert uuid_lit.value == test_uuid.bytes |
|
|
|
|
|
|
|
|
def test_incompatible_fixed_to_uuid() -> None: |
|
|
lit = literal(bytes([0x00, 0x01, 0x02])).to(FixedType(3)) |
|
|
with pytest.raises(TypeError) as e: |
|
|
_ = lit.to(UUIDType()) |
|
|
assert "Cannot convert BinaryLiteral into uuid, different length: 16 <> 3" in str(e.value) |
|
|
|
|
|
|
|
|
def test_above_max_float() -> None: |
|
|
a = FloatAboveMax() |
|
|
|
|
|
assert a == FloatAboveMax() |
|
|
assert str(a) == "FloatAboveMax" |
|
|
assert repr(a) == "FloatAboveMax()" |
|
|
assert a.value == FloatType.max |
|
|
assert a == eval(repr(a)) |
|
|
assert a.to(FloatType()) == FloatAboveMax() |
|
|
|
|
|
|
|
|
def test_below_min_float() -> None: |
|
|
b = FloatBelowMin() |
|
|
|
|
|
assert b == FloatBelowMin() |
|
|
assert str(b) == "FloatBelowMin" |
|
|
assert repr(b) == "FloatBelowMin()" |
|
|
assert b == eval(repr(b)) |
|
|
assert b.value == FloatType.min |
|
|
assert b.to(FloatType()) == FloatBelowMin() |
|
|
|
|
|
|
|
|
def test_above_max_int() -> None: |
|
|
a = IntAboveMax() |
|
|
|
|
|
assert a == IntAboveMax() |
|
|
assert str(a) == "IntAboveMax" |
|
|
assert repr(a) == "IntAboveMax()" |
|
|
assert a.value == IntegerType.max |
|
|
assert a == eval(repr(a)) |
|
|
assert a.to(IntegerType()) == IntAboveMax() |
|
|
|
|
|
|
|
|
def test_below_min_int() -> None: |
|
|
b = IntBelowMin() |
|
|
|
|
|
assert b == IntBelowMin() |
|
|
assert str(b) == "IntBelowMin" |
|
|
assert repr(b) == "IntBelowMin()" |
|
|
assert b == eval(repr(b)) |
|
|
assert b.to(IntegerType()) == IntBelowMin() |
|
|
|
|
|
|
|
|
def test_invalid_boolean_conversions() -> None: |
|
|
assert_invalid_conversions( |
|
|
literal(True), |
|
|
[ |
|
|
IntegerType(), |
|
|
LongType(), |
|
|
FloatType(), |
|
|
DoubleType(), |
|
|
DateType(), |
|
|
TimeType(), |
|
|
TimestampType(), |
|
|
TimestamptzType(), |
|
|
DecimalType(9, 2), |
|
|
StringType(), |
|
|
UUIDType(), |
|
|
BinaryType(), |
|
|
], |
|
|
) |
|
|
|
|
|
|
|
|
def test_invalid_long_conversions() -> None: |
|
|
assert_invalid_conversions( |
|
|
literal(34).to(LongType()), |
|
|
[BooleanType(), StringType(), UUIDType(), FixedType(1), BinaryType()], |
|
|
) |
|
|
|
|
|
|
|
|
@pytest.mark.parametrize( |
|
|
"lit", |
|
|
[ |
|
|
literal(34.11).to(FloatType()), |
|
|
|
|
|
literal(34.11).to(DoubleType()), |
|
|
], |
|
|
) |
|
|
@pytest.mark.parametrize( |
|
|
"test_type", |
|
|
[ |
|
|
BooleanType(), |
|
|
IntegerType(), |
|
|
LongType(), |
|
|
DateType(), |
|
|
TimeType(), |
|
|
TimestampType(), |
|
|
TimestamptzType(), |
|
|
StringType(), |
|
|
UUIDType(), |
|
|
FixedType(1), |
|
|
BinaryType(), |
|
|
], |
|
|
) |
|
|
def test_invalid_float_conversions(lit: Literal[Any], test_type: PrimitiveType) -> None: |
|
|
with pytest.raises(TypeError): |
|
|
_ = lit.to(test_type) |
|
|
|
|
|
|
|
|
@pytest.mark.parametrize("lit", [literal("2017-08-18").to(DateType())]) |
|
|
@pytest.mark.parametrize( |
|
|
"test_type", |
|
|
[ |
|
|
BooleanType(), |
|
|
IntegerType(), |
|
|
LongType(), |
|
|
FloatType(), |
|
|
DoubleType(), |
|
|
TimeType(), |
|
|
TimestampType(), |
|
|
TimestamptzType(), |
|
|
DecimalType(9, 2), |
|
|
StringType(), |
|
|
UUIDType(), |
|
|
FixedType(1), |
|
|
BinaryType(), |
|
|
], |
|
|
) |
|
|
def test_invalid_datetime_conversions(lit: Literal[Any], test_type: PrimitiveType) -> None: |
|
|
assert_invalid_conversions(lit, [test_type]) |
|
|
|
|
|
|
|
|
def test_invalid_time_conversions() -> None: |
|
|
assert_invalid_conversions( |
|
|
literal("14:21:01.919").to(TimeType()), |
|
|
[ |
|
|
BooleanType(), |
|
|
IntegerType(), |
|
|
LongType(), |
|
|
FloatType(), |
|
|
DoubleType(), |
|
|
DateType(), |
|
|
TimestampType(), |
|
|
TimestamptzType(), |
|
|
DecimalType(9, 2), |
|
|
StringType(), |
|
|
UUIDType(), |
|
|
FixedType(1), |
|
|
BinaryType(), |
|
|
], |
|
|
) |
|
|
|
|
|
|
|
|
def test_invalid_timestamp_conversions() -> None: |
|
|
assert_invalid_conversions( |
|
|
literal("2017-08-18T14:21:01.919").to(TimestampType()), |
|
|
[ |
|
|
BooleanType(), |
|
|
IntegerType(), |
|
|
LongType(), |
|
|
FloatType(), |
|
|
DoubleType(), |
|
|
TimeType(), |
|
|
DecimalType(9, 2), |
|
|
StringType(), |
|
|
UUIDType(), |
|
|
FixedType(1), |
|
|
BinaryType(), |
|
|
], |
|
|
) |
|
|
|
|
|
|
|
|
def test_invalid_decimal_conversion_scale() -> None: |
|
|
lit = literal(Decimal("34.11")) |
|
|
with pytest.raises(ValueError) as e: |
|
|
lit.to(DecimalType(9, 4)) |
|
|
assert "Could not convert 34.11 into a decimal(9, 4)" in str(e.value) |
|
|
|
|
|
|
|
|
def test_invalid_decimal_conversions() -> None: |
|
|
assert_invalid_conversions( |
|
|
literal(Decimal("34.11")), |
|
|
[ |
|
|
BooleanType(), |
|
|
DateType(), |
|
|
TimeType(), |
|
|
TimestampType(), |
|
|
TimestamptzType(), |
|
|
StringType(), |
|
|
UUIDType(), |
|
|
FixedType(1), |
|
|
BinaryType(), |
|
|
], |
|
|
) |
|
|
|
|
|
|
|
|
def test_invalid_string_conversions() -> None: |
|
|
assert_invalid_conversions( |
|
|
literal("abc"), |
|
|
[FloatType(), DoubleType(), FixedType(1), BinaryType()], |
|
|
) |
|
|
|
|
|
|
|
|
def test_invalid_uuid_conversions() -> None: |
|
|
assert_invalid_conversions( |
|
|
literal(uuid.uuid4()), |
|
|
[ |
|
|
BooleanType(), |
|
|
IntegerType(), |
|
|
LongType(), |
|
|
FloatType(), |
|
|
DoubleType(), |
|
|
DateType(), |
|
|
TimeType(), |
|
|
TimestampType(), |
|
|
TimestamptzType(), |
|
|
DecimalType(9, 2), |
|
|
StringType(), |
|
|
FixedType(1), |
|
|
], |
|
|
) |
|
|
|
|
|
|
|
|
def test_invalid_fixed_conversions() -> None: |
|
|
assert_invalid_conversions( |
|
|
literal(bytes([0x00, 0x01, 0x02])).to(FixedType(3)), |
|
|
[ |
|
|
BooleanType(), |
|
|
IntegerType(), |
|
|
LongType(), |
|
|
FloatType(), |
|
|
DoubleType(), |
|
|
DateType(), |
|
|
TimeType(), |
|
|
TimestampType(), |
|
|
TimestamptzType(), |
|
|
DecimalType(9, 2), |
|
|
StringType(), |
|
|
UUIDType(), |
|
|
], |
|
|
) |
|
|
|
|
|
|
|
|
def test_invalid_binary_conversions() -> None: |
|
|
assert_invalid_conversions( |
|
|
literal(bytes([0x00, 0x01, 0x02])), |
|
|
[ |
|
|
BooleanType(), |
|
|
IntegerType(), |
|
|
LongType(), |
|
|
FloatType(), |
|
|
DoubleType(), |
|
|
DateType(), |
|
|
TimeType(), |
|
|
TimestampType(), |
|
|
TimestamptzType(), |
|
|
DecimalType(9, 2), |
|
|
StringType(), |
|
|
UUIDType(), |
|
|
], |
|
|
) |
|
|
|
|
|
|
|
|
def assert_invalid_conversions(lit: Literal[Any], types: List[PrimitiveType]) -> None: |
|
|
for type_var in types: |
|
|
with pytest.raises(TypeError): |
|
|
_ = lit.to(type_var) |
|
|
|
|
|
|
|
|
def test_compare_floats() -> None: |
|
|
lhs = literal(18.15).to(FloatType()) |
|
|
rhs = literal(19.25).to(FloatType()) |
|
|
assert lhs != rhs |
|
|
assert lhs < rhs |
|
|
assert lhs <= rhs |
|
|
assert not lhs > rhs |
|
|
assert not lhs >= rhs |
|
|
|
|
|
|
|
|
def test_string_to_int_max_value() -> None: |
|
|
assert isinstance(literal(str(IntegerType.max + 1)).to(IntegerType()), IntAboveMax) |
|
|
|
|
|
|
|
|
def test_string_to_int_min_value() -> None: |
|
|
assert isinstance(literal(str(IntegerType.min - 1)).to(IntegerType()), IntBelowMin) |
|
|
|
|
|
|
|
|
def test_string_to_integer_type_invalid_value() -> None: |
|
|
with pytest.raises(ValueError) as e: |
|
|
_ = literal("abc").to(IntegerType()) |
|
|
assert "Could not convert abc into a int" in str(e.value) |
|
|
|
|
|
|
|
|
def test_string_to_long_type_invalid_value() -> None: |
|
|
with pytest.raises(ValueError) as e: |
|
|
_ = literal("abc").to(LongType()) |
|
|
assert "Could not convert abc into a long" in str(e.value) |
|
|
|
|
|
|
|
|
def test_string_to_date_type_invalid_value() -> None: |
|
|
with pytest.raises(ValueError) as e: |
|
|
_ = literal("abc").to(DateType()) |
|
|
assert "Could not convert abc into a date" in str(e.value) |
|
|
|
|
|
|
|
|
def test_string_to_time_type_invalid_value() -> None: |
|
|
with pytest.raises(ValueError) as e: |
|
|
_ = literal("abc").to(TimeType()) |
|
|
assert "Could not convert abc into a time" in str(e.value) |
|
|
|
|
|
|
|
|
def test_string_to_decimal_type_invalid_value() -> None: |
|
|
with pytest.raises(ValueError) as e: |
|
|
_ = literal("18.15").to(DecimalType(10, 0)) |
|
|
assert "Could not convert 18.15 into a decimal(10, 0), scales differ 0 <> 2" in str(e.value) |
|
|
|
|
|
|
|
|
def test_decimal_literal_increment() -> None: |
|
|
dec = DecimalLiteral(Decimal("10.123")) |
|
|
|
|
|
assert dec.increment() == DecimalLiteral(Decimal("10.124")) |
|
|
assert dec.increment() == DecimalLiteral(Decimal("10.124")) |
|
|
|
|
|
assert dec.increment().value.as_tuple() == Decimal("10.124").as_tuple() |
|
|
|
|
|
|
|
|
def test_decimal_literal_dencrement() -> None: |
|
|
dec = DecimalLiteral(Decimal("10.123")) |
|
|
|
|
|
assert dec.decrement() == DecimalLiteral(Decimal("10.122")) |
|
|
assert dec.decrement() == DecimalLiteral(Decimal("10.122")) |
|
|
|
|
|
assert dec.decrement().value.as_tuple() == Decimal("10.122").as_tuple() |
|
|
|
|
|
|
|
|
def test_uuid_literal_initialization() -> None: |
|
|
test_uuid = uuid.UUID("f79c3e09-677c-4bbd-a479-3f349cb785e7") |
|
|
uuid_literal = literal(test_uuid) |
|
|
assert isinstance(uuid_literal, Literal) |
|
|
assert test_uuid.bytes == uuid_literal.value |
|
|
|
|
|
|
|
|
def test_uuid_to_fixed() -> None: |
|
|
test_uuid = uuid.uuid4() |
|
|
uuid_literal = literal(test_uuid) |
|
|
fixed_literal = uuid_literal.to(FixedType(16)) |
|
|
assert test_uuid.bytes == fixed_literal.value |
|
|
with pytest.raises(TypeError) as e: |
|
|
uuid_literal.to(FixedType(15)) |
|
|
assert "Cannot convert UUIDLiteral into fixed[15], different length: 15 <> 16" in str(e.value) |
|
|
assert isinstance(fixed_literal, FixedLiteral) |
|
|
|
|
|
|
|
|
def test_uuid_to_binary() -> None: |
|
|
test_uuid = uuid.uuid4() |
|
|
uuid_literal = literal(test_uuid) |
|
|
binary_literal = uuid_literal.to(BinaryType()) |
|
|
assert test_uuid.bytes == binary_literal.value |
|
|
assert isinstance(binary_literal, BinaryLiteral) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
assert_type(literal("str"), Literal[str]) |
|
|
assert_type(literal(True), Literal[bool]) |
|
|
assert_type(literal(123), Literal[int]) |
|
|
assert_type(literal(123.4), Literal[float]) |
|
|
assert_type(literal(bytes([0x01, 0x02, 0x03])), Literal[bytes]) |
|
|
assert_type(literal(Decimal("19.25")), Literal[Decimal]) |
|
|
assert_type({literal(1), literal(2), literal(3)}, Set[Literal[int]]) |
|
|
|