feat: Split up EncodingPathStorage functionality into different classes

test/unit/storage/keyvalue/HashEncodingStorage.test.ts

@@ -0,0 +1,30 @@
+import { HashEncodingStorage } from '../../../../src/storage/keyvalue/HashEncodingStorage';
+import type { KeyValueStorage } from '../../../../src/storage/keyvalue/KeyValueStorage';
+import { NotImplementedHttpError } from '../../../../src/util/errors/NotImplementedHttpError';
+
+describe('A HashEncodingStorage', (): void => {
+  let map: Map<string, string>;
+  let source: KeyValueStorage<string, string>;
+  let storage: HashEncodingStorage<string>;
+
+  beforeEach(async(): Promise<void> => {
+    map = new Map<string, string>();
+    source = map as any;
+    storage = new HashEncodingStorage<string>(source);
+  });
+
+  it('hashes the keys.', async(): Promise<void> => {
+    const key = 'key';
+    const hash = '2c70e12b7a0646f92279f427c7b38e7334d8e5389cff167a1dc30e73f826b683';
+    const data = 'data';
+    await storage.set(key, data);
+    expect(map.size).toBe(1);
+    expect(map.get(hash)).toBe(data);
+    await expect(storage.get(key)).resolves.toBe(data);
+  });
+
+  it('errors when paths should be converted back to keys.', async(): Promise<void> => {
+    await storage.set('key', 'data');
+    await expect(storage.entries().next()).rejects.toThrow(NotImplementedHttpError);
+  });
+});