feat: Create a RoutingResourceStore that takes routing rules

test/unit/storage/routing/RegexRouterRule.test.ts

@@ -0,0 +1,32 @@
+import type { ResourceStore } from '../../../../src/storage/ResourceStore';
+import { RegexRouterRule } from '../../../../src/storage/routing/RegexRouterRule';
+import { UnsupportedHttpError } from '../../../../src/util/errors/UnsupportedHttpError';
+
+describe('A RegexRouterRule', (): void => {
+  const base = 'http://test.com/';
+  const store: ResourceStore = 'resourceStore' as any;
+
+  it('rejects identifiers not containing the base.', async(): Promise<void> => {
+    const router = new RegexRouterRule(base, {});
+    await expect(router.canHandle({ identifier: { path: 'http://notTest.com/apple' }}))
+      .rejects.toThrow(new UnsupportedHttpError(`Identifiers need to start with http://test.com`));
+  });
+
+  it('rejects identifiers not matching any regex.', async(): Promise<void> => {
+    const router = new RegexRouterRule(base, { pear: store });
+    await expect(router.canHandle({ identifier: { path: `${base}apple/` }}))
+      .rejects.toThrow(new UnsupportedHttpError(`No stored regexes match http://test.com/apple/`));
+  });
+
+  it('accepts identifiers matching any regex.', async(): Promise<void> => {
+    const router = new RegexRouterRule(base, { '^/apple': store });
+    await expect(router.canHandle({ identifier: { path: `${base}apple/` }}))
+      .resolves.toBeUndefined();
+  });
+
+  it('returns the corresponding store.', async(): Promise<void> => {
+    const store2: ResourceStore = 'resourceStore2' as any;
+    const router = new RegexRouterRule(base, { '^/apple': store2, '/pear/': store });
+    await expect(router.handle({ identifier: { path: `${base}apple/` }})).resolves.toBe(store2);
+  });
+});