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-rw-r--r--tests/test_alternatives.py85
1 files changed, 85 insertions, 0 deletions
diff --git a/tests/test_alternatives.py b/tests/test_alternatives.py
new file mode 100644
index 0000000..2a42d69
--- /dev/null
+++ b/tests/test_alternatives.py
@@ -0,0 +1,85 @@
+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