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# encoding=utf-8
from typing import List, NamedTuple
import pytest
from pytest_mypy_plugins import utils
from pytest_mypy_plugins.utils import (
OutputMatcher,
TypecheckAssertionError,
assert_expected_matched_actual,
extract_output_matchers_from_comments,
sorted_by_file_and_line,
)
class ExpectMatchedActualTestData(NamedTuple):
source_lines: List[str]
actual_lines: List[str]
expected_message_lines: List[str]
def test_render_template_with_None_value() -> None:
# Given
template = "{{ a }} {{ b }}"
data = {"a": None, "b": 99}
# When
actual = utils.render_template(template=template, data=data)
# Then
assert actual == "None 99"
expect_matched_actual_data = [
ExpectMatchedActualTestData(
[
'''reveal_type(42) # N: Revealed type is "Literal['foo']?"''',
'''reveal_type("foo") # N: Revealed type is "Literal[42]?"''',
],
['''main:1: note: Revealed type is "Literal[42]?"''', '''main:2: note: Revealed type is "Literal['foo']?"'''],
[
"""Invalid output: """,
"""Actual:""",
""" main:1: note: Revealed type is "Literal[42]?" (diff)""",
""" main:2: note: Revealed type is "Literal['foo']?" (diff)""",
"""Expected:""",
""" main:1: note: Revealed type is "Literal['foo']?" (diff)""",
""" main:2: note: Revealed type is "Literal[42]?" (diff)""",
"""Alignment of first line difference:""",
''' E: ...ed type is "Literal['foo']?"''',
''' A: ...ed type is "Literal[42]?"''',
""" ^""",
],
),
ExpectMatchedActualTestData(
[
"""reveal_type(42)""",
'''reveal_type("foo") # N: Revealed type is "Literal['foo']?"''',
],
['''main:1: note: Revealed type is "Literal[42]?"''', '''main:2: note: Revealed type is "Literal['foo']?"'''],
[
"""Invalid output: """,
"""Actual:""",
""" main:1: note: Revealed type is "Literal[42]?" (diff)""",
""" main:2: note: Revealed type is "Literal['foo']?" (diff)""",
"""Expected:""",
""" main:2: note: Revealed type is "Literal['foo']?" (diff)""",
"""Alignment of first line difference:""",
''' E: main:2: note: Revealed type is "Literal['foo']?"''',
''' A: main:1: note: Revealed type is "Literal[42]?"''',
""" ^""",
],
),
ExpectMatchedActualTestData(
['''reveal_type(42) # N: Revealed type is "Literal[42]?"''', """reveal_type("foo")"""],
['''main:1: note: Revealed type is "Literal[42]?"''', '''main:2: note: Revealed type is "Literal['foo']?"'''],
[
"""Invalid output: """,
"""Actual:""",
""" main:2: note: Revealed type is "Literal['foo']?" (diff)""",
"""Expected:""",
""" (empty)""",
],
),
ExpectMatchedActualTestData(
['''42 + "foo"'''],
["""main:1: error: Unsupported operand types for + ("int" and "str")"""],
[
"""Output is not expected: """,
"""Actual:""",
""" main:1: error: Unsupported operand types for + ("int" and "str") (diff)""",
"""Expected:""",
""" (empty)""",
],
),
ExpectMatchedActualTestData(
[""" 1 + 1 # E: Unsupported operand types for + ("int" and "int")"""],
[],
[
"""Invalid output: """,
"""Actual:""",
""" (empty)""",
"""Expected:""",
""" main:1: error: Unsupported operand types for + ("int" and "int") (diff)""",
],
),
ExpectMatchedActualTestData(
[
'''reveal_type(42) # N: Revealed type is "Literal[42]?"''',
'''reveal_type("foo") # N: Revealed type is "builtins.int"''',
],
['''main:1: note: Revealed type is "Literal[42]?"''', '''main:2: note: Revealed type is "Literal['foo']?"'''],
[
"""Invalid output: """,
"""Actual:""",
""" ...""",
""" main:2: note: Revealed type is "Literal['foo']?" (diff)""",
"""Expected:""",
""" ...""",
""" main:2: note: Revealed type is "builtins.int" (diff)""",
"""Alignment of first line difference:""",
''' E: ...te: Revealed type is "builtins.int"''',
''' A: ...te: Revealed type is "Literal['foo']?"''',
""" ^""",
],
),
ExpectMatchedActualTestData(
[
'''reveal_type(42) # N: Revealed type is "Literal[42]?"''',
'''reveal_type("foo") # N: Revealed type is "builtins.int"''',
],
['''main:1: note: Revealed type is "Literal[42]?"''', '''main:2: note: Revealed type is "Literal['foo']?"'''],
[
"""Invalid output: """,
"""Actual:""",
""" ...""",
""" main:2: note: Revealed type is "Literal['foo']?" (diff)""",
"""Expected:""",
""" ...""",
""" main:2: note: Revealed type is "builtins.int" (diff)""",
"""Alignment of first line difference:""",
''' E: ...te: Revealed type is "builtins.int"''',
''' A: ...te: Revealed type is "Literal['foo']?"''',
""" ^""",
],
),
ExpectMatchedActualTestData(
[
'''reveal_type(42.0) # N: Revealed type is "builtins.float"''',
'''reveal_type("foo") # N: Revealed type is "builtins.int"''',
'''reveal_type(42) # N: Revealed type is "Literal[42]?"''',
],
[
'''main:1: note: Revealed type is "builtins.float"''',
'''main:2: note: Revealed type is "Literal['foo']?"''',
'''main:3: note: Revealed type is "Literal[42]?"''',
],
[
"""Invalid output: """,
"""Actual:""",
""" ...""",
""" main:2: note: Revealed type is "Literal['foo']?" (diff)""",
""" ...""",
"""Expected:""",
""" ...""",
""" main:2: note: Revealed type is "builtins.int" (diff)""",
""" ...""",
"""Alignment of first line difference:""",
''' E: ...te: Revealed type is "builtins.int"''',
''' A: ...te: Revealed type is "Literal['foo']?"''',
""" ^""",
],
),
]
@pytest.mark.parametrize("source_lines,actual_lines,expected_message_lines", expect_matched_actual_data)
def test_assert_expected_matched_actual_failures(
source_lines: List[str], actual_lines: List[str], expected_message_lines: List[str]
) -> None:
expected: List[OutputMatcher] = extract_output_matchers_from_comments("main", source_lines, False)
expected_error_message = "\n".join(expected_message_lines)
with pytest.raises(TypecheckAssertionError) as e:
assert_expected_matched_actual(expected, actual_lines)
assert e.value.error_message.strip() == expected_error_message.strip()
@pytest.mark.parametrize(
"input_lines",
[
[
'''main:12: error: No overload variant of "f" matches argument type "List[int]"''',
"""main:12: note: Possible overload variants:""",
"""main:12: note: def f(x: int) -> int""",
"""main:12: note: def f(x: str) -> str""",
],
[
'''main_a:12: error: No overload variant of "g" matches argument type "List[int]"''',
'''main_b:12: error: No overload variant of "f" matches argument type "List[int]"''',
"""main_b:12: note: Possible overload variants:""",
"""main_a:12: note: def g(b: int) -> int""",
"""main_a:12: note: def g(a: int) -> int""",
"""main_b:12: note: def f(x: int) -> int""",
"""main_b:12: note: def f(x: str) -> str""",
],
],
)
def test_sorted_by_file_and_line_is_stable(input_lines: List[str]) -> None:
def lines_for_file(lines: List[str], fname: str) -> List[str]:
prefix = f"{fname}:"
return [line for line in lines if line.startswith(prefix)]
files = sorted({line.split(":", maxsplit=1)[0] for line in input_lines})
sorted_lines = sorted_by_file_and_line(input_lines)
for f in files:
assert lines_for_file(sorted_lines, f) == lines_for_file(input_lines, f)
|
