alfresco-ng2-components/lib/core/card-view/models/card-view-textitem.model.spec.ts

/*!
 * @license
 * Copyright 2019 Alfresco Software, Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import { PipeTransform } from '@angular/core';
import { CardViewTextItemModel } from './card-view-textitem.model';
import { CardViewTextItemProperties } from '../interfaces/card-view.interfaces';

class TestPipe implements PipeTransform {
    transform(value: string, pipeParam: string): string {
        const paramPostFix = pipeParam ? `-${pipeParam}` : '';
        return `testpiped-${value}${paramPostFix}`;
    }
}

describe('CardViewTextItemModel', () => {

    let properties: CardViewTextItemProperties;

    beforeEach(() => {
        properties = {
            label: 'Tribe',
            value: 'Banuk',
            key: 'tribe'
        };
    });

    describe('displayValue', () => {

        it('should return the value if it is present', () => {
            const itemModel = new CardViewTextItemModel(properties);

            expect(itemModel.displayValue).toBe('Banuk');
        });

        it('should return the default value if the value is not present the first time it loads', () => {
            properties.value = undefined;
            properties.default = 'default-value';
            const itemModel = new CardViewTextItemModel(properties);
            expect(itemModel.displayValue).toBe('default-value');
            itemModel.value = '';
            expect(itemModel.displayValue).toBe('');
        });

        it('should apply a pipe on the value if it is present', () => {
            properties.pipes = [
                { pipe: new TestPipe() }
            ];
            const itemModel = new CardViewTextItemModel(properties);

            expect(itemModel.displayValue).toBe('testpiped-Banuk');
        });

        it('should apply a pipe on the value with parameters if those are present', () => {
            properties.pipes = [
                { pipe: new TestPipe(), params: ['withParams'] }
            ];
            const itemModel = new CardViewTextItemModel(properties);

            expect(itemModel.displayValue).toBe('testpiped-Banuk-withParams');
        });

        it('should apply more pipes on the value with parameters if those are present', () => {
            const pipe: PipeTransform = new TestPipe();
            properties.pipes = [
                { pipe, params: ['1'] },
                { pipe, params: ['2'] },
                { pipe, params: ['3'] }
            ];
            const itemModel = new CardViewTextItemModel(properties);

            expect(itemModel.displayValue).toBe('testpiped-testpiped-testpiped-Banuk-1-2-3');
        });
    });
});