SnowLuma v2.4.2 source snapshot

packages/bridge/tests/hook-runtime-dir.test.ts

@@ -0,0 +1,85 @@
+import { describe, expect, it } from 'vitest';
+import { resolveHookRuntimeDir } from '../src/hook-runtime-dir';
+
+function procReader(files: Record<string, string>) {
+    return (file: string): string => {
+        const value = files[file];
+
+        if (value === undefined) {
+            throw new Error(`missing fixture: ${file}`);
+        }
+
+        return value;
+    };
+}
+
+describe('resolveHookRuntimeDir — Linux target process ownership', () => {
+    it('uses the QQ process runtime directory instead of the supervisor user directory', () => {
+        expect(
+            resolveHookRuntimeDir(46301, {
+                platform: 'linux',
+                env: { XDG_RUNTIME_DIR: '/run/user/0' },
+                ownUid: 0,
+                readText: procReader({
+                    '/proc/46301/environ': 'HOME=/home/rikka\0XDG_RUNTIME_DIR=/run/user/1000\0',
+                    '/proc/46301/status': 'Name:\tqq\nUid:\t1000\t1000\t1000\t1000\n',
+                }),
+            }),
+        ).toBe('/run/user/1000');
+    });
+
+    it('falls back to the QQ process uid when its environment has no runtime directory', () => {
+        expect(
+            resolveHookRuntimeDir(46301, {
+                platform: 'linux',
+                env: { XDG_RUNTIME_DIR: '/run/user/0' },
+                ownUid: 0,
+                readText: procReader({
+                    '/proc/46301/environ': 'HOME=/home/rikka\0',
+                    '/proc/46301/status': 'Name:\tqq\nUid:\t1000\t1000\t1000\t1000\n',
+                }),
+            }),
+        ).toBe('/tmp/snowluma-1000');
+    });
+
+    it('fails visibly when target ownership cannot be determined', () => {
+        expect(() =>
+            resolveHookRuntimeDir(46301, {
+                platform: 'linux',
+                env: { XDG_RUNTIME_DIR: '/run/user/0' },
+                ownUid: 0,
+                readText: () => {
+                    throw new Error('permission denied');
+                },
+            }),
+        ).toThrow(/cannot resolve hook runtime directory.*permission denied/);
+    });
+
+    it('uses the current convention when the target disappears during discovery', () => {
+        const gone = Object.assign(new Error('process disappeared'), { code: 'ENOENT' });
+        expect(
+            resolveHookRuntimeDir(46301, {
+                platform: 'linux',
+                env: { XDG_RUNTIME_DIR: '/run/user/0' },
+                ownUid: 0,
+                readText: () => {
+                    throw gone;
+                },
+            }),
+        ).toBe('/run/user/0');
+    });
+
+    it('honours an explicit runtime directory inherited by the QQ process', () => {
+        expect(
+            resolveHookRuntimeDir(46301, {
+                platform: 'linux',
+                env: {},
+                ownUid: 0,
+                readText: procReader({
+                    '/proc/46301/environ': 'SNOWLUMA_HOOK_RUNTIME_DIR=/srv/snowluma-hook\0',
+                    '/proc/46301/status': 'Uid:\t1000\t1000\t1000\t1000\n',
+                }),
+            }),
+        ).toBe('/srv/snowluma-hook');
+    });
+});