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# SPDX-FileCopyrightText: David Fritzsche
# SPDX-License-Identifier: CC0-1.0
from typing import List, Tuple
import pytest
from pytest_mypy_testing.message import Message, Severity
from pytest_mypy_testing.output_processing import (
OutputMismatch,
diff_message_sequences,
iter_msg_seq_diff_chunks,
)
ERROR = Severity.ERROR
NOTE = Severity.NOTE
WARNING = Severity.WARNING
MSGS_DIFF_A_SINGLE = [Message("z.py", 15, 1, NOTE, "diff-a")]
MSGS_DIFF_B_SINGLE = [Message("z.py", 15, 1, NOTE, "diff-b")]
MSGS_DIFF_A_MULTI = [
Message("z.py", 25, 1, NOTE, "diff-a"),
Message("z.py", 25, 1, NOTE, "diff-a error"),
]
MSGS_DIFF_B_MULTI = [Message("z.py", 25, 1, NOTE, "diff-b")]
MSGS_UNEXPECTED_A_SINGLE = [
Message("z.py", 35, 1, NOTE, "unexpected"),
]
MSGS_UNEXPECTED_A_MULTI = [
Message("z.py", 45, 1, NOTE, "unexpected"),
Message("z.py", 45, 1, ERROR, "unexpected error"),
]
MSGS_MISSING_B_SINGLE = [
Message("z.py", 55, 1, NOTE, "missing"),
]
MSGS_MISSING_B_MULTI = [
Message("z.py", 65, 1, ERROR, "missing error"),
Message("z.py", 65, 1, NOTE, "missing note"),
]
A = [
Message("z.py", 10, 3, ERROR, "equal error"),
Message("z.py", 10, 3, NOTE, "equal"),
*MSGS_DIFF_A_SINGLE,
Message("z.py", 20, 1, NOTE, "equal"),
*MSGS_DIFF_A_MULTI,
Message("z.py", 30, 1, NOTE, "equal"),
*MSGS_UNEXPECTED_A_SINGLE,
Message("z.py", 40, 1, NOTE, "equal"),
*MSGS_UNEXPECTED_A_MULTI,
Message("z.py", 50, 1, NOTE, "equal"),
Message("z.py", 60, 1, NOTE, "equal"),
Message("z.py", 70, 1, NOTE, "equal"),
]
B = [
Message("z.py", 10, 3, ERROR, "equal error"),
Message("z.py", 10, 3, NOTE, "equal"),
*MSGS_DIFF_B_SINGLE,
Message("z.py", 20, 1, NOTE, "equal"),
*MSGS_DIFF_B_MULTI,
Message("z.py", 30, 1, NOTE, "equal"),
Message("z.py", 40, 1, NOTE, "equal"),
Message("z.py", 50, 1, NOTE, "equal"),
*MSGS_MISSING_B_SINGLE,
Message("z.py", 60, 1, NOTE, "equal"),
*MSGS_MISSING_B_MULTI,
Message("z.py", 70, 1, NOTE, "equal"),
]
EXPECTED_DIFF_SEQUENCE: List[Tuple[List[Message], List[Message]]] = [
(MSGS_DIFF_A_SINGLE, MSGS_DIFF_B_SINGLE),
(MSGS_DIFF_A_MULTI, MSGS_DIFF_B_MULTI),
(MSGS_UNEXPECTED_A_SINGLE, []),
(MSGS_UNEXPECTED_A_MULTI, []),
([], MSGS_MISSING_B_SINGLE),
([], MSGS_MISSING_B_MULTI),
]
def test_output_mismatch_neither_actual_nor_expected():
with pytest.raises(ValueError):
OutputMismatch()
def test_output_mismatch_actual_lineno_or_severity_without_actual():
msg = Message("z.py", 1, 0, NOTE, "foo")
om = OutputMismatch(expected=[msg])
with pytest.raises(RuntimeError):
om.actual_lineno
with pytest.raises(RuntimeError):
om.actual_severity
def test_output_mismatch_expected_lineno_or_severity_without_expected():
msg = Message("z.py", 1, 0, NOTE, "foo")
om = OutputMismatch(actual=[msg])
with pytest.raises(RuntimeError):
om.expected_lineno
with pytest.raises(RuntimeError):
om.expected_severity
def test_output_mismatch_line_number_mismatch():
msg_a = Message("z.py", 1, 0, NOTE, "foo")
msg_b = Message("z.py", 2, 0, NOTE, "foo")
with pytest.raises(ValueError):
OutputMismatch([msg_a], [msg_b])
def test_output_mismatch_with_actual_and_expected():
actual = Message("z.py", 17, 3, NOTE, "bar")
expected = Message("z.py", 17, 3, NOTE, "foo")
om = OutputMismatch(actual=[actual], expected=[expected])
assert om.lineno == actual.lineno == expected.lineno
assert "note" in om.error_message
assert om.lines
def test_output_mismatch_only_expected():
expected = Message("z.py", 17, 3, NOTE, "foo")
om = OutputMismatch(expected=[expected])
assert om.lineno == expected.lineno
assert "note" in om.error_message
assert "missing" in om.error_message
assert not om.lines
def test_output_mismatch_only_actual():
actual = Message("z.py", 17, 3, NOTE, "foo")
om = OutputMismatch(actual=[actual])
assert om.lineno == actual.lineno
assert "note" in om.error_message
assert "unexpected" in om.error_message
assert not om.lines
def test_iter_diff_sequences():
diff = list(iter_msg_seq_diff_chunks(A, B))
assert diff == EXPECTED_DIFF_SEQUENCE
def test_diff_message_sequences():
expected = [OutputMismatch(a, e) for a, e in EXPECTED_DIFF_SEQUENCE]
actual = diff_message_sequences(A, B)
assert actual == expected
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