@itexpert-dev/components-key-value-storage/src/componentsKeyValueStorage/componentsKeyValueStorage.spec.ts

wrapper for components storage

import {ComponentsKeyValueStorage} from './componentsKeyValueStorage'
import {IAppendComponentParams} from "./IAppendComponentParams";
import {Component} from "@angular/core";

describe("tests for component key-value storage", ()=>{
    let testStorage : any;
    let testKey = 'test';

    beforeEach(function() {
        testStorage = new ComponentsKeyValueStorage();
    });

    describe('get component from store', ()=>{

        it('should try get data from inner store by key',()=>{

            spyOn(testStorage.storage, 'get').and.returnValue('value');
            let result = testStorage.getComponent(testKey);
            //
            expect(testStorage.storage.get).toHaveBeenCalled();
            expect(testStorage.storage.get).toHaveBeenCalledWith(testKey);
            expect(testStorage.storage.get.calls.argsFor(0)).toEqual([testKey]);
            expect(result).toBe('value');
        })
    });

    describe('remove component from store', ()=>{

        it('should try remove component from inner store by key',()=>{

            spyOn(testStorage.storage, 'remove');
            let result = testStorage.removeComponent(testKey);
            //
            expect(testStorage.storage.remove).toHaveBeenCalled();
            expect(testStorage.storage.remove).toHaveBeenCalledWith(testKey);
        })
    });

    describe('add component to store', ()=>{

        it('should try add components to inner store ',()=>{
            let comp1Name = 'comp1';
            let comp1 : IAppendComponentParams = {
                componentName: comp1Name,
                force: true,
                component: { selector: comp1Name} as Component
            };

            let comp2Name = 'comp2';
            let comp2 : IAppendComponentParams = {
                componentName: comp2Name,
                force: true,
                component: { selector: comp2Name} as Component
            };

            let comp3Name = 'comp3';
            let comp3 : IAppendComponentParams = {
                componentName: comp3Name,
                force: true,
                component: { selector: comp3Name} as Component
            };

            spyOn(testStorage.storage, 'add');
            testStorage.addComponent(comp1, comp2, comp3);
            //
            expect(testStorage.storage.add.calls.count()).toBe(3);

            let args1stCall = testStorage.storage.add.calls.argsFor(0);
            expect(args1stCall[0].value.selector).toEqual(comp1Name);
            expect(args1stCall[0].key).toEqual(comp1Name);

            let args2stCall = testStorage.storage.add.calls.argsFor(1);
            expect(args2stCall[0].value.selector).toEqual(comp2Name);
            expect(args2stCall[0].key).toEqual(comp2Name);

            let args3stCall = testStorage.storage.add.calls.argsFor(2);
            expect(args3stCall[0].value.selector).toEqual(comp3Name);
            expect(args3stCall[0].key).toEqual(comp3Name);
        })
    });

});