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106 lines
3.1 KiB
Python
106 lines
3.1 KiB
Python
"""Tests for diff module."""
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from __future__ import (absolute_import, division, print_function)
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__metaclass__ = type
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import os
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import subprocess
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import pytest
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from ansible_test._internal.util import (
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to_text,
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to_bytes,
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)
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from ansible_test._internal.diff import (
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parse_diff,
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FileDiff,
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)
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def get_diff(base, head=None):
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"""Return a git diff between the base and head revision.
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:type base: str
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:type head: str | None
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:rtype: list[str]
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"""
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if not head or head == 'HEAD':
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head = to_text(subprocess.check_output(['git', 'rev-parse', 'HEAD'])).strip()
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cache = '/tmp/git-diff-cache-%s-%s.log' % (base, head)
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if os.path.exists(cache):
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with open(cache, 'rb') as cache_fd:
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lines = to_text(cache_fd.read()).splitlines()
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else:
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lines = to_text(subprocess.check_output(['git', 'diff', base, head]), errors='replace').splitlines()
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with open(cache, 'wb') as cache_fd:
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cache_fd.write(to_bytes('\n'.join(lines)))
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assert lines
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return lines
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def get_parsed_diff(base, head=None):
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"""Return a parsed git diff between the base and head revision.
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:type base: str
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:type head: str | None
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:rtype: list[FileDiff]
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"""
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lines = get_diff(base, head)
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items = parse_diff(lines)
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assert items
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for item in items:
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assert item.headers
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assert item.is_complete
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item.old.format_lines()
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item.new.format_lines()
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for line_range in item.old.ranges:
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assert line_range[1] >= line_range[0] > 0
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for line_range in item.new.ranges:
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assert line_range[1] >= line_range[0] > 0
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return items
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RANGES_TO_TEST = (
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('f31421576b00f0b167cdbe61217c31c21a41ac02', 'HEAD'),
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('b8125ac1a61f2c7d1de821c78c884560071895f1', '32146acf4e43e6f95f54d9179bf01f0df9814217')
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)
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@pytest.mark.parametrize("base, head", RANGES_TO_TEST)
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def test_parse_diff(base, head):
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"""Integration test to verify parsing of ansible/ansible history."""
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get_parsed_diff(base, head)
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def test_parse_delete():
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"""Integration test to verify parsing of a deleted file."""
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commit = 'ee17b914554861470b382e9e80a8e934063e0860'
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items = get_parsed_diff(commit + '~', commit)
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deletes = [item for item in items if not item.new.exists]
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assert len(deletes) == 1
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assert deletes[0].old.path == 'lib/ansible/plugins/connection/nspawn.py'
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assert deletes[0].new.path == 'lib/ansible/plugins/connection/nspawn.py'
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def test_parse_rename():
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"""Integration test to verify parsing of renamed files."""
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commit = '16a39639f568f4dd5cb233df2d0631bdab3a05e9'
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items = get_parsed_diff(commit + '~', commit)
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renames = [item for item in items if item.old.path != item.new.path and item.old.exists and item.new.exists]
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assert len(renames) == 2
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assert renames[0].old.path == 'test/integration/targets/eos_eapi/tests/cli/badtransport.yaml'
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assert renames[0].new.path == 'test/integration/targets/eos_eapi/tests/cli/badtransport.1'
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assert renames[1].old.path == 'test/integration/targets/eos_eapi/tests/cli/zzz_reset.yaml'
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assert renames[1].new.path == 'test/integration/targets/eos_eapi/tests/cli/zzz_reset.1'
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