import textwrap from typing import Mapping from debputy.maintscript_snippet import MaintscriptSnippetContainer from debputy.packager_provided_files import PackagerProvidedFile from debputy.packages import BinaryPackage from debputy.packaging.alternatives import process_alternatives from debputy.plugin.api import virtual_path_def, VirtualPath from debputy.plugin.api.impl import plugin_metadata_for_debputys_own_plugin from debputy.plugin.api.impl_types import PackagerProvidedFileClassSpec from debputy.plugin.api.test_api import build_virtual_file_system def _ppf_for(pkg: BinaryPackage, path: VirtualPath) -> PackagerProvidedFile: plugin_metadata = plugin_metadata_for_debputys_own_plugin() return PackagerProvidedFile( path, pkg.name, "irrelevant", "irrelevant", PackagerProvidedFileClassSpec( plugin_metadata, "alternatives", "DEBIAN/alternatives", 0o0644, None, False, False, None, False, True, None, None, False, ), ) def test_alternatives( package_single_foo_arch_all_cxt_amd64: Mapping[str, BinaryPackage], ) -> None: pkg = package_single_foo_arch_all_cxt_amd64["foo"] debian_dir = build_virtual_file_system( [ virtual_path_def( "alternatives", fs_path="debian/alternatives", content=textwrap.dedent( """\ Name: x-terminal-emulator Link: /usr/bin/x-terminal-emulator Alternative: /usr/bin/xterm Dependents: /usr/share/man/man1/x-terminal-emulator.1.gz x-terminal-emulator.1.gz /usr/share/man/man1/xterm.1.gz Priority: 20 """ ), ), ] ) fs_root = build_virtual_file_system( [ "./usr/bin/xterm", "./usr/share/man/man1/xterm.1.gz", ] ) reserved_ppfs = {"alternatives": [_ppf_for(pkg, debian_dir["alternatives"])]} maintscript_snippets = { "prerm": MaintscriptSnippetContainer(), "postinst": MaintscriptSnippetContainer(), } process_alternatives( pkg, fs_root, reserved_ppfs, maintscript_snippets, ) prerm = maintscript_snippets["prerm"].generate_snippet(reverse=True) postinst = maintscript_snippets["postinst"].generate_snippet(reverse=True) assert "--remove x-terminal-emulator /usr/bin/xterm" in prerm assert ( "--install /usr/bin/x-terminal-emulator x-terminal-emulator /usr/bin/xterm 20" ) in postinst