feat: add simple operation handlers

test/unit/ldp/operations/SimpleDeleteOperationHandler.test.ts

@@ -0,0 +1,24 @@
+import { Operation } from '../../../../src/ldp/operations/Operation';
+import { ResourceStore } from '../../../../src/storage/ResourceStore';
+import { SimpleDeleteOperationHandler } from '../../../../src/ldp/operations/SimpleDeleteOperationHandler';
+import { UnsupportedHttpError } from '../../../../src/util/errors/UnsupportedHttpError';
+
+describe('A SimpleDeleteOperationHandler', (): void => {
+  const store = {} as unknown as ResourceStore;
+  const handler = new SimpleDeleteOperationHandler(store);
+  beforeEach(async(): Promise<void> => {
+    // eslint-disable-next-line @typescript-eslint/no-empty-function
+    store.deleteResource = jest.fn(async(): Promise<void> => {});
+  });
+
+  it('only supports GET operations.', async(): Promise<void> => {
+    await expect(handler.canHandle({ method: 'DELETE' } as Operation)).resolves.toBeUndefined();
+    await expect(handler.canHandle({ method: 'GET' } as Operation)).rejects.toThrow(UnsupportedHttpError);
+  });
+
+  it('deletes the resource from the store and returns its identifier.', async(): Promise<void> => {
+    await expect(handler.handle({ target: { path: 'url' }} as Operation)).resolves.toEqual({ identifier: { path: 'url' }});
+    expect(store.deleteResource).toHaveBeenCalledTimes(1);
+    expect(store.deleteResource).toHaveBeenLastCalledWith({ path: 'url' });
+  });
+});