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ansible/test/units/ansible_test/test_diff.py

179 lines
4.7 KiB
Python

"""Tests for the diff module."""
from __future__ import annotations
import pathlib
import pytest
import typing as t
if t.TYPE_CHECKING: # pragma: no cover
# noinspection PyProtectedMember
from ansible_test._internal.diff import FileDiff
@pytest.fixture()
def diffs(request: pytest.FixtureRequest) -> list[FileDiff]:
"""A fixture which returns the parsed diff associated with the current test."""
return get_parsed_diff(request.node.name.removeprefix('test_'))
def get_parsed_diff(name: str) -> list[FileDiff]:
"""Parse and return the named git diff."""
cache = pathlib.Path(__file__).parent / 'diff' / f'{name}.diff'
content = cache.read_text()
lines = content.splitlines()
assert lines
# noinspection PyProtectedMember
from ansible_test._internal.diff import parse_diff
diffs = parse_diff(lines)
assert diffs
for item in diffs:
assert item.headers
assert item.is_complete
item.old.format_lines()
item.new.format_lines()
for line_range in item.old.ranges:
assert line_range[1] >= line_range[0] > 0
for line_range in item.new.ranges:
assert line_range[1] >= line_range[0] > 0
return diffs
def test_add_binary_file(diffs: list[FileDiff]) -> None:
"""Add a binary file."""
assert len(diffs) == 1
assert diffs[0].old.exists
assert diffs[0].new.exists
assert diffs[0].old.path == 'binary.dat'
assert diffs[0].new.path == 'binary.dat'
assert diffs[0].old.eof_newline
assert diffs[0].new.eof_newline
def test_add_text_file(diffs: list[FileDiff]) -> None:
"""Add a new file."""
assert len(diffs) == 1
assert not diffs[0].old.exists
assert diffs[0].new.exists
assert diffs[0].old.path == 'test.txt'
assert diffs[0].new.path == 'test.txt'
assert diffs[0].old.eof_newline
assert diffs[0].new.eof_newline
def test_remove_trailing_newline(diffs: list[FileDiff]) -> None:
"""Remove the trailing newline from a file."""
assert len(diffs) == 1
assert diffs[0].old.exists
assert diffs[0].new.exists
assert diffs[0].old.path == 'test.txt'
assert diffs[0].new.path == 'test.txt'
assert diffs[0].old.eof_newline
assert not diffs[0].new.eof_newline
def test_add_trailing_newline(diffs: list[FileDiff]) -> None:
"""Add a trailing newline to a file."""
assert len(diffs) == 1
assert diffs[0].old.exists
assert diffs[0].new.exists
assert diffs[0].old.path == 'test.txt'
assert diffs[0].new.path == 'test.txt'
assert not diffs[0].old.eof_newline
assert diffs[0].new.eof_newline
def test_add_two_text_files(diffs: list[FileDiff]) -> None:
"""Add two text files."""
assert len(diffs) == 2
assert not diffs[0].old.exists
assert diffs[0].new.exists
assert diffs[0].old.path == 'one.txt'
assert diffs[0].new.path == 'one.txt'
assert diffs[0].old.eof_newline
assert diffs[0].new.eof_newline
assert not diffs[1].old.exists
assert diffs[1].new.exists
assert diffs[1].old.path == 'two.txt'
assert diffs[1].new.path == 'two.txt'
assert diffs[1].old.eof_newline
assert diffs[1].new.eof_newline
def test_context_no_trailing_newline(diffs: list[FileDiff]) -> None:
"""Context without a trailing newline."""
assert len(diffs) == 1
assert diffs[0].old.exists
assert diffs[0].new.exists
assert diffs[0].old.path == 'test.txt'
assert diffs[0].new.path == 'test.txt'
assert not diffs[0].old.eof_newline
assert not diffs[0].new.eof_newline
def test_multiple_context_lines(diffs: list[FileDiff]) -> None:
"""Multiple context lines."""
assert len(diffs) == 1
assert diffs[0].old.exists
assert diffs[0].new.exists
assert diffs[0].old.path == 'test.txt'
assert diffs[0].new.path == 'test.txt'
assert diffs[0].old.eof_newline
assert diffs[0].new.eof_newline
def test_parse_delete(diffs: list[FileDiff]) -> None:
"""Delete files."""
assert len(diffs) == 1
assert diffs[0].old.exists
assert not diffs[0].new.exists
assert diffs[0].old.path == 'changelogs/fragments/79263-runme-sh-logging-3cb482385bd59058.yaml'
assert diffs[0].new.path == 'changelogs/fragments/79263-runme-sh-logging-3cb482385bd59058.yaml'
def test_parse_rename(diffs) -> None:
"""Rename files."""
assert len(diffs) == 2
assert all(item.old.path != item.new.path and item.old.exists and item.new.exists for item in diffs)
assert diffs[0].old.path == 'packaging/debian/ansible-base.dirs'
assert diffs[0].new.path == 'packaging/debian/ansible-core.dirs'
assert diffs[1].old.path == 'packaging/debian/ansible-base.install'
assert diffs[1].new.path == 'packaging/debian/ansible-core.install'