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"""Tests for error handling during change collection in show_report()."""
import sys
from unittest.mock import patch
import pytest
from inline_snapshot import snapshot
from inline_snapshot._external._external import External
from inline_snapshot._external._external_file import ExternalFile
from inline_snapshot._inline_snapshot import SnapshotReference
from inline_snapshot.testing import Example
from tests.utils import path_transform
@pytest.mark.skipif(
sys.platform != "linux",
reason="test only on linux to prevent problems with path separators",
)
@pytest.mark.parametrize(
"snapshot_type,expr",
[
(SnapshotReference, "snapshot()"),
(External, "external()"),
(ExternalFile, "external_file('test.txt')"),
],
)
def test_change_collection_error(expr, snapshot_type):
"""RuntimeError includes file and line from snapshot._expr when _changes() raises."""
Example(
f"""\
from inline_snapshot import snapshot,external,external_file
def test_a():
assert "hello" == {expr}
"""
).run_inline(
["--inline-snapshot=report"],
context_managers=[
patch.object(
snapshot_type,
"_changes",
side_effect=ValueError("simulated internal error"),
)
],
raises=path_transform(
snapshot(
{
"SnapshotReference": """\
RuntimeError:
error during change collection for snapshot (snapshot())
snapshot.
file: <tmp>/tests/test_something.py
line: 4
""",
"External": """\
AssertionError:
RuntimeError:
error during change collection for snapshot (external("uuid:"))
snapshot.
file: <tmp>/tests/test_something.py
line: 4
""",
"ExternalFile": """\
AssertionError:
RuntimeError:
error during change collection for snapshot (external_file('<tmp>/tests/test.txt'))
snapshot.
""",
}
)[snapshot_type.__name__]
),
)
|
