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I'm new in unit testing using Jasmine and Karma. My question is very much similar to this:

How to unit test return value of function - Angular (Jasmine/Karma)

But mine is different as I want to check the length of the returned value instead of the value itself. I've a method which takes n as a number. If the number is below 10 then the method should return the same number but with a preceding 0 as string. Valid range is 0 to 12 (actually it is a part of month picker component. I'm trying to achieve MM format.). For e.g if 5 is input then the returned value should be 05 as string. Here's the code:

I'm generating QR codes from my Angular web app. I'm using the npm package ngx-qrcode2 to generate the QR code.

Is there a way with this npm package or another npm package to store a JSON object in the QR. Then read QR,and extract the JSON using the qr reader zxing/ngx-scanner.

Currently, I'm able to achieve this if I convert the JSON to a string, store that string in the QR and then when I read it, a parse it back to a JSON.

This is what I have done so far.

TO GENERATE THE QR CODE https://stackblitz.com/edit/angular-ja13vl

TO READ THE QR CODE https://stackblitz.com/edit/angular-qr-reader

In my test I'm importing a JSON file to set a mock value (which would usually be passed in to my component as an @Input()).

It was my impression that Angular tests would reset component variables before each test runs if beforeEach is used; therefore, changing the value of a component variable inside one test shouldn't affect other tests in the same testbed.

However, I'm finding that when a variable value is changed in a test it isn't being reset by the beforeEach before the next test runs.

mock_board.json

I want to add an autocomplete field to a page in my angular app.

I added below in my template.

Blaze DS enables Flex to invoke remote Java methods. It supports translation of object returned from the server into corresponding action-script object and conversion of action-script object to java object as method argument.More details: https://dzone.com/refcardz/getting-started-blazeds

How can I use it for angular-Java which can automatically map angular type-script object to java bean object while making a server call. It can avoid hassle of converting json-string to Java Bean Object and vice versa.

I have got the following by googling on SO: how can I talk to a blazeds endpoint without flash

Still looking for more information on the same.

I'm trying to unit test a (angular 2) component with routerLink and routerLinkActive but all test cases fail with following error message. (Note: I have stubbed the router and other related dependencies. Here's the reference that I used for the same.).

Cannot read property 'subscribe' of undefined

I have also noticed that when routerLink and routerLinkActive are removed from my template, all test cases will run without any errors.

I think the error is caused by either RouterTestingModule or SharedModule(contains component for displaying and validating password input field). So I tried removing or adding them to find which is actually causing the problem. Here's what I observed.

• I get 'Cannot read property 'subscribe' of undefined' if RouterTestingModule or SharedModule is present.
• I do not get any error linked to router only if I remove both RouterTestingModule and SharedModules but the elements from the SharedModules would not get loaded in the component and some test cases still fail because of that.

TestBed configuration:

I am using angularjs with spring mvc in my application. It is a single page application where there is a login button and multiple tabs. Tabs are not visible unless the user logs in. After user logs in, the tabs will be visible (login button will not be visible) and user can navigate and use features under any tab. The URL of all these actions will be same (Ex: www.xyz.com/context/).

I have problem with session management here. If the session expires when the user is in any of these tabs, say tab no. 3, the page should be reset to initial state where login button is visible and tabs are not.

I have configured spring session management like below