INT-CHORE: Request terminator

Author: BlasiusVonSzerencsi

src/main/request-terminator.js

@@ -0,0 +1,19 @@
+export default class RequestTerminator {
+  constructor() {
+    this.requestMap = {};
+  }
+
+  add(requestId, request) {
+    this.requestMap[requestId] = request;
+  }
+
+  remove(requestId) {
+    delete this.requestMap[requestId];
+  }
+
+  terminate(requestId) {
+    if (this.requestMap[requestId]) {
+      this.requestMap[requestId].abort();
+    }
+  }
+}

test/unit/specs/main/request-terminator.spec.js

@@ -0,0 +1,41 @@
+import sinon from 'sinon';
+import RequestTerminator from '../../../../src/main/request-terminator';
+
+describe('RequestTerminator', () => {
+  let subject;
+
+  beforeEach(() => {
+    subject = new RequestTerminator();
+  });
+
+  describe('#terminate', () => {
+    it('should call abort on the belonging request', () => {
+      const request = { abort() {} };
+      const spy = sinon.spy(request, 'abort');
+
+      subject.add('my-unique-request-id', request);
+      subject.terminate('my-unique-request-id');
+
+      assert(spy.calledOnce);
+    });
+
+    context('when the request could not be found', () => {
+      it('should do nothing', () => {
+        expect(subject.terminate('unknown-request-id')).to.not.throw; // eslint-disable-line
+      });
+    });
+  });
+
+  describe('#remove', () => {
+    it('should remove the request object from the inventory', () => {
+      const request = { abort() {} };
+      const spy = sinon.spy(request, 'abort');
+
+      subject.add('my-unique-request-id', request);
+      subject.remove('my-unique-request-id');
+      subject.terminate('my-unique-request-id');
+
+      assert(spy.notCalled);
+    });
+  });
+});