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I tried all the possibilities to mock location.pathname This is my code

if(typeof location !== undefined) {
    this.setParentPath(location.pathname);
}

This is one of the possibility I used to cover the location as undefined

it('should gets the parentPath without location', async () => {
        const locationSpy = jest.spyOn(location);
        locationSpy.mockImplementation(() => undefined);
        await asyncMount(
            <Provider UsersStore={UsersStore} AppStore={AppStore}>
                <Users />
            </Provider>,
        );

        expect(UsersStore.tppPath).toEqual('');
    });

It's giving me this error

Error: Cannot spy the undefined property because it is not a function; undefined given instead
at ModuleMockerClass.spyOn (/Users/arpit/Documents/prakhar/new/developer-portal/node_modules/jest-mock/build/index.js:789:15)
at Object.<anonymous> (/Users/arpit/Documents/prakhar/new/developer-portal/src/components/users/Users.spec.jsx:190:38)
at Object.asyncJestTest (/Users/arpit/Documents/prakhar/new/developer-portal/node_modules/jest-jasmine2/build/jasmineAsyncInstall.js:100:37)
at /Users/arpit/Documents/prakhar/new/developer-portal/node_modules/jest-jasmine2/build/queueRunner.js:47:12
at new Promise (<anonymous>)
at mapper (/Users/arpit/Documents/prakhar/new/developer-portal/node_modules/jest-jasmine2/build/queueRunner.js:30:19)
at /Users/arpit/Documents/prakhar/new/developer-portal/node_modules/jest-jasmine2/build/queueRunner.js:77:41
at processTicksAndRejections (internal/process/task_queues.js:97:5)

Just focusing on location or window elements for this question though.. Please suggest any solution specific to this only not for any MemoryRouter Or any other react-router component

5
  • Ya that i know that it's not making any sense to use in that way... just using location.pathname.. React gives you that functionality to use these directly Jun 25, 2020 at 17:08
  • Cannot use MemoryRouter though as per my usecase. Jun 25, 2020 at 17:13
  • I have to use window or using location for now.. Jun 25, 2020 at 17:16
  • The question was asked specifically for location.pathname... Jun 25, 2020 at 17:45
  • The question is crystal and clear @jonrshape voting it down doesn't make any sense Jun 25, 2020 at 17:47

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