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from typing import Optional
from debputy.plugin.api import virtual_path_def, VirtualPath
from debputy.plugin.api.test_api import (
initialize_plugin_under_test,
build_virtual_file_system,
)
def test_lua_plugin_deduplicate_lua_files_no_lua() -> None:
plugin = initialize_plugin_under_test()
no_lua_files_fs = build_virtual_file_system(
[
"usr/bin/foo",
"usr/share/lua5.2/foo/", # Said no lua files, not no lua paths :)
]
)
path_count = sum((1 for _ in no_lua_files_fs.all_paths()), start=0)
plugin.run_package_processor("deduplicate-lua-files", no_lua_files_fs)
# The plugin does nothing if there are no lua files
assert path_count == sum((1 for _ in no_lua_files_fs.all_paths()), start=0)
assert not any(f.is_symlink for f in no_lua_files_fs.all_paths())
def _resolve_lua_symlink(v: VirtualPath) -> Optional[VirtualPath]:
# TODO: This should probably be in the VirtualPath API (after some corner case tests/improvements)
assert v.is_symlink
target = v.readlink()
parent = v.parent_dir
assert parent is not None
return parent.lookup(target)
def test_lua_plugin_deduplicate_lua_files_lua_differ() -> None:
plugin = initialize_plugin_under_test()
# Long to test more than one iteration
base_content = "a" * 10000
fs = build_virtual_file_system(
[
virtual_path_def("usr/share/lua/5.2/foo.lua", content=base_content),
virtual_path_def("usr/share/lua/5.3/foo.lua", content=base_content),
virtual_path_def("usr/share/lua/5.4/foo.lua", content=base_content),
virtual_path_def("usr/share/lua/5.2/bar.lua", content=base_content + "unique for 5.2"),
virtual_path_def("usr/share/lua/5.3/bar.lua", content=base_content + "unique for 5.3"),
# Deliberately shorter to test different parse lengths
virtual_path_def("usr/share/lua/5.4/bar.lua", content="unique for 5.4"),
virtual_path_def("usr/share/lua/5.2/foo5.2.lua", content="unrelated"),
virtual_path_def("usr/share/lua/5.3/foo5.3.lua", content="unrelated"),
virtual_path_def("usr/share/lua/5.4/foo5.4.lua", content="unrelated"),
]
)
plugin.run_package_processor("deduplicate-lua-files", fs)
foo52_lua = fs.lookup("/usr/share/lua/5.2/foo.lua")
# This should be there and unchanged
assert foo52_lua is not None and foo52_lua.is_file
# These should be symlinks to foo52_lua
for foo5x_lua_path in ["/usr/share/lua/5.3/foo.lua", "/usr/share/lua/5.4/foo.lua"]:
foo5x_lua = fs.lookup(foo5x_lua_path)
assert foo5x_lua_path is not None and foo5x_lua.is_symlink
target_path = _resolve_lua_symlink(foo5x_lua)
assert target_path.path == foo52_lua.path
# These should be unchanged
for path_stem in [
"5.2/bar.lua",
"5.3/bar.lua",
"5.4/bar.lua",
"5.2/foo5.2.lua",
"5.3/foo5.3.lua",
"5.4/foo5.4.lua",
]:
unique_file = fs.lookup(f"/usr/share/lua/{path_stem}")
assert unique_file is not None and unique_file.is_file
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