Add LiveQuery

spec/Subscription.spec.js

@@ -0,0 +1,123 @@
+var Subscription = require('../src/LiveQuery/Subscription').Subscription;
+
+describe('Subscription', function() {
+
+  beforeEach(function() {
+    var mockError = jasmine.createSpy('error');
+    jasmine.mockLibrary('../src/LiveQuery/PLog', 'error', mockError);
+  });
+
+  it('can be initialized', function() {
+    var subscription = new Subscription('className', { key : 'value' }, 'hash');
+
+    expect(subscription.className).toBe('className');
+    expect(subscription.query).toEqual({ key : 'value' });
+    expect(subscription.hash).toBe('hash');
+    expect(subscription.clientRequestIds.size).toBe(0);
+  });
+
+  it('can check it has subscribing clients', function() {
+    var subscription = new Subscription('className', { key : 'value' }, 'hash');
+
+    expect(subscription.hasSubscribingClient()).toBe(false);
+  });
+
+  it('can check it does not have subscribing clients', function() {
+    var subscription = new Subscription('className', { key : 'value' }, 'hash');
+    subscription.addClientSubscription(1, 1);
+
+    expect(subscription.hasSubscribingClient()).toBe(true);
+  });
+
+  it('can add one request for one client', function() {
+    var subscription = new Subscription('className', { key : 'value' }, 'hash');
+    subscription.addClientSubscription(1, 1);
+
+    expect(subscription.clientRequestIds.size).toBe(1);
+    expect(subscription.clientRequestIds.get(1)).toEqual([1]);
+  });
+
+  it('can add requests for one client', function() {
+    var subscription = new Subscription('className', { key : 'value' }, 'hash');
+    subscription.addClientSubscription(1, 1);
+    subscription.addClientSubscription(1, 2);
+
+    expect(subscription.clientRequestIds.size).toBe(1);
+    expect(subscription.clientRequestIds.get(1)).toEqual([1, 2]);
+  });
+
+  it('can add requests for clients', function() {
+    var subscription = new Subscription('className', { key : 'value' }, 'hash');
+    subscription.addClientSubscription(1, 1);
+    subscription.addClientSubscription(1, 2);
+    subscription.addClientSubscription(2, 2);
+    subscription.addClientSubscription(2, 3);
+
+    expect(subscription.clientRequestIds.size).toBe(2);
+    expect(subscription.clientRequestIds.get(1)).toEqual([1, 2]);
+    expect(subscription.clientRequestIds.get(2)).toEqual([2, 3]);
+  });
+
+  it('can delete requests for nonexistent client', function() {
+    var subscription = new Subscription('className', { key : 'value' }, 'hash');
+    subscription.deleteClientSubscription(1, 1);
+
+    var PLog =require('../src/LiveQuery/PLog');
+    expect(PLog.error).toHaveBeenCalled();
+  });
+
+  it('can delete nonexistent request for one client', function() {
+    var subscription = new Subscription('className', { key : 'value' }, 'hash');
+    subscription.addClientSubscription(1, 1);
+    subscription.deleteClientSubscription(1, 2);
+
+    var PLog =require('../src/LiveQuery/PLog');
+    expect(PLog.error).toHaveBeenCalled();
+    expect(subscription.clientRequestIds.size).toBe(1);
+    expect(subscription.clientRequestIds.get(1)).toEqual([1]);
+  });
+
+  it('can delete some requests for one client', function() {
+    var subscription = new Subscription('className', { key : 'value' }, 'hash');
+    subscription.addClientSubscription(1, 1);
+    subscription.addClientSubscription(1, 2);
+    subscription.deleteClientSubscription(1, 2);
+
+    var PLog =require('../src/LiveQuery/PLog');
+    expect(PLog.error).not.toHaveBeenCalled();
+    expect(subscription.clientRequestIds.size).toBe(1);
+    expect(subscription.clientRequestIds.get(1)).toEqual([1]);
+  });
+
+  it('can delete all requests for one client', function() {
+    var subscription = new Subscription('className', { key : 'value' }, 'hash');
+    subscription.addClientSubscription(1, 1);
+    subscription.addClientSubscription(1, 2);
+    subscription.deleteClientSubscription(1, 1);
+    subscription.deleteClientSubscription(1, 2);
+
+    var PLog =require('../src/LiveQuery/PLog');
+    expect(PLog.error).not.toHaveBeenCalled();
+    expect(subscription.clientRequestIds.size).toBe(0);
+  });
+
+  it('can delete requests for multiple clients', function() {
+    var subscription = new Subscription('className', { key : 'value' }, 'hash');
+    subscription.addClientSubscription(1, 1);
+    subscription.addClientSubscription(1, 2);
+    subscription.addClientSubscription(2, 1);
+    subscription.addClientSubscription(2, 2);
+    subscription.deleteClientSubscription(1, 2);
+    subscription.deleteClientSubscription(2, 1);
+    subscription.deleteClientSubscription(2, 2);
+
+    var PLog =require('../src/LiveQuery/PLog');
+    expect(PLog.error).not.toHaveBeenCalled();
+    expect(subscription.clientRequestIds.size).toBe(1);
+    expect(subscription.clientRequestIds.get(1)).toEqual([1]);
+  });
+
+  afterEach(function(){
+    jasmine.restoreLibrary('../src/LiveQuery/PLog', 'error');
+  });
+});