Adding upstream version 4.5.0+dfsg.

Signed-off-by: Daniel Baumann <daniel@debian.org>

tests/check_added_large_files_test.py

@@ -0,0 +1,134 @@
+from __future__ import annotations
+
+import shutil
+
+import pytest
+
+from pre_commit_hooks.check_added_large_files import find_large_added_files
+from pre_commit_hooks.check_added_large_files import main
+from pre_commit_hooks.util import cmd_output
+from testing.util import git_commit
+
+
+def test_nothing_added(temp_git_dir):
+    with temp_git_dir.as_cwd():
+        assert find_large_added_files(['f.py'], 0) == 0
+
+
+def test_adding_something(temp_git_dir):
+    with temp_git_dir.as_cwd():
+        temp_git_dir.join('f.py').write("print('hello world')")
+        cmd_output('git', 'add', 'f.py')
+
+        # Should fail with max size of 0
+        assert find_large_added_files(['f.py'], 0) == 1
+
+
+def test_add_something_giant(temp_git_dir):
+    with temp_git_dir.as_cwd():
+        temp_git_dir.join('f.py').write('a' * 10000)
+
+        # Should not fail when not added
+        assert find_large_added_files(['f.py'], 0) == 0
+
+        cmd_output('git', 'add', 'f.py')
+
+        # Should fail with strict bound
+        assert find_large_added_files(['f.py'], 0) == 1
+
+        # Should also fail with actual bound
+        assert find_large_added_files(['f.py'], 9) == 1
+
+        # Should pass with higher bound
+        assert find_large_added_files(['f.py'], 10) == 0
+
+
+def test_enforce_all(temp_git_dir):
+    with temp_git_dir.as_cwd():
+        temp_git_dir.join('f.py').write('a' * 10000)
+
+        # Should fail, when not staged with enforce_all
+        assert find_large_added_files(['f.py'], 0, enforce_all=True) == 1
+
+        # Should pass, when not staged without enforce_all
+        assert find_large_added_files(['f.py'], 0, enforce_all=False) == 0
+
+
+def test_added_file_not_in_pre_commits_list(temp_git_dir):
+    with temp_git_dir.as_cwd():
+        temp_git_dir.join('f.py').write("print('hello world')")
+        cmd_output('git', 'add', 'f.py')
+
+        # Should pass even with a size of 0
+        assert find_large_added_files(['g.py'], 0) == 0
+
+
+def test_integration(temp_git_dir):
+    with temp_git_dir.as_cwd():
+        assert main(argv=[]) == 0
+
+        temp_git_dir.join('f.py').write('a' * 10000)
+        cmd_output('git', 'add', 'f.py')
+
+        # Should not fail with default
+        assert main(argv=['f.py']) == 0
+
+        # Should fail with --maxkb
+        assert main(argv=['--maxkb', '9', 'f.py']) == 1
+
+
+def has_gitlfs():
+    return shutil.which('git-lfs') is not None
+
+
+xfailif_no_gitlfs = pytest.mark.xfail(
+    not has_gitlfs(), reason='This test requires git-lfs',
+)
+
+
+@xfailif_no_gitlfs
+def test_allows_gitlfs(temp_git_dir):  # pragma: no cover
+    with temp_git_dir.as_cwd():
+        cmd_output('git', 'lfs', 'install', '--local')
+        temp_git_dir.join('f.py').write('a' * 10000)
+        cmd_output('git', 'lfs', 'track', 'f.py')
+        cmd_output('git', 'add', '--', '.')
+        # Should succeed
+        assert main(('--maxkb', '9', 'f.py')) == 0
+
+
+@xfailif_no_gitlfs
+def test_moves_with_gitlfs(temp_git_dir):  # pragma: no cover
+    with temp_git_dir.as_cwd():
+        cmd_output('git', 'lfs', 'install', '--local')
+        cmd_output('git', 'lfs', 'track', 'a.bin', 'b.bin')
+        # First add the file we're going to move
+        temp_git_dir.join('a.bin').write('a' * 10000)
+        cmd_output('git', 'add', '--', '.')
+        git_commit('-am', 'foo')
+        # Now move it and make sure the hook still succeeds
+        cmd_output('git', 'mv', 'a.bin', 'b.bin')
+        assert main(('--maxkb', '9', 'b.bin')) == 0
+
+
+@xfailif_no_gitlfs
+def test_enforce_allows_gitlfs(temp_git_dir):  # pragma: no cover
+    with temp_git_dir.as_cwd():
+        cmd_output('git', 'lfs', 'install', '--local')
+        temp_git_dir.join('f.py').write('a' * 10000)
+        cmd_output('git', 'lfs', 'track', 'f.py')
+        cmd_output('git', 'add', '--', '.')
+        # With --enforce-all large files on git lfs should succeed
+        assert main(('--enforce-all', '--maxkb', '9', 'f.py')) == 0
+
+
+@xfailif_no_gitlfs
+def test_enforce_allows_gitlfs_after_commit(temp_git_dir):  # pragma: no cover
+    with temp_git_dir.as_cwd():
+        cmd_output('git', 'lfs', 'install', '--local')
+        temp_git_dir.join('f.py').write('a' * 10000)
+        cmd_output('git', 'lfs', 'track', 'f.py')
+        cmd_output('git', 'add', '--', '.')
+        git_commit('-am', 'foo')
+        # With --enforce-all large files on git lfs should succeed
+        assert main(('--enforce-all', '--maxkb', '9', 'f.py')) == 0