初始化奇妙小屏幕控制器项目

核桃派软件源代码/tests/test_debian_closure.py

@@ -0,0 +1,60 @@
+from __future__ import annotations
+
+from scripts.debian_closure import (
+    PackageRecord,
+    parse_control_stanzas,
+    parse_dependency_field,
+    resolve_closure,
+)
+
+
+def package(name: str, dependencies: str = "", *, version: str = "1") -> PackageRecord:
+    return PackageRecord(
+        name=name,
+        version=version,
+        architecture="arm64",
+        dependencies=parse_dependency_field(dependencies),
+        provides=(),
+    )
+
+
+def test_control_parser_joins_continuation_lines():
+    stanzas = parse_control_stanzas(
+        "Package: demo\nVersion: 1\nDepends: first,\n second | third\n\n"
+    )
+    assert stanzas == [
+        {"Package": "demo", "Version": "1", "Depends": "first, second | third"}
+    ]
+
+
+def test_dependency_parser_filters_other_architectures_and_normalizes_qualifiers():
+    groups = parse_dependency_field(
+        "base:any (>= 1), wrong [amd64], choice [arm64] | fallback, native:native"
+    )
+    assert [[item.name for item in group] for group in groups] == [
+        ["base"],
+        ["choice", "fallback"],
+        ["native"],
+    ]
+
+
+def test_resolver_uses_installed_packages_and_recurses_only_for_missing_groups():
+    local = {"app": package("app", "base, codec (= 2), optional | fallback")}
+    available = {
+        "codec": package("codec", "runtime", version="2"),
+        "runtime": package("runtime"),
+        "fallback": package("fallback"),
+    }
+    selected, unresolved = resolve_closure(
+        ["app"], {"base": "1", "optional": "5"}, local, available
+    )
+    assert unresolved == []
+    assert set(selected) == {"app", "codec", "runtime"}
+
+
+def test_resolver_reports_an_unavailable_dependency():
+    selected, unresolved = resolve_closure(
+        ["app"], {}, {"app": package("app", "missing")}, {}
+    )
+    assert set(selected) == {"app"}
+    assert unresolved == ["app cannot satisfy: missing"]