Initial Commit

packages/networking/drive/drive-plugin-cache/tests/setup/fake-cache.ts

@@ -0,0 +1,64 @@
+import type { CacheSetOptions, CacheStats } from "@suaveplan/cache";
+import { AbstractCache } from "@suaveplan/cache";
+
+/**
+ * In-memory `AbstractCache<Uint8Array>` used by every middleware/handle/plugin
+ * unit test. Tracks every call shape (key, value, signal) so tests can assert
+ * the exact arguments the middleware forwarded into the cache surface.
+ *
+ * This is a real class, not a mock — no `vi.mock`/`jest.mock` involved.
+ */
+export class FakeCache extends AbstractCache<Uint8Array> {
+    public store = new Map<string, Uint8Array>();
+    public getCalls: { key: string; signal?: AbortSignal }[] = [];
+    public setCalls: { key: string; value: Uint8Array }[] = [];
+    public deleteCalls: string[] = [];
+    public clearCalls = 0;
+    public throwOnGet: Error | undefined;
+    public throwOnSet: Error | undefined;
+    public throwOnDelete: Error | undefined;
+
+    public async get(
+        key: string,
+        signal?: AbortSignal
+    ): Promise<Uint8Array | undefined> {
+        this.getCalls.push({ key, signal });
+        if (this.throwOnGet !== undefined) throw this.throwOnGet;
+        return this.store.get(key);
+    }
+
+    public async set(
+        key: string,
+        value: Uint8Array,
+        _options?: CacheSetOptions
+    ): Promise<void> {
+        this.setCalls.push({ key, value });
+        if (this.throwOnSet !== undefined) throw this.throwOnSet;
+        this.store.set(key, value);
+    }
+
+    public async delete(key: string): Promise<boolean> {
+        this.deleteCalls.push(key);
+        if (this.throwOnDelete !== undefined) throw this.throwOnDelete;
+        return this.store.delete(key);
+    }
+
+    public async clear(): Promise<void> {
+        this.clearCalls += 1;
+        this.store.clear();
+    }
+
+    public async has(key: string): Promise<boolean> {
+        return this.store.has(key);
+    }
+
+    public getStats(): CacheStats {
+        return {
+            hits: 0,
+            misses: 0,
+            size: this.store.size,
+            hitRate: 0,
+            evictions: 0,
+        };
+    }
+}