search-resource.component.spec.ts

import { Component, Inject, Input, OnInit, ViewChild } from '@angular/core';
import { ComponentFixture, TestBed, waitForAsync } from '@angular/core/testing';
import { FormBuilder, FormGroup, ReactiveFormsModule } from '@angular/forms';
import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
import { MockOntology, ResourcePropertyDefinition } from '@dasch-swiss/dsp-js';
import { ComparisonOperatorAndValue, GreaterThan, LinkedResource, PropertyWithValue, ValueLiteral } from '../operator';
import { SearchResourceComponent } from './search-resource.component';

/**
 * test host component to simulate parent component.
 */
@Component({
    template: `
        <app-search-resource #searchRes [formGroup]="form" [restrictResourceClass]="resClass"></app-search-resource>`
})
class TestHostComponent implements OnInit {

    @ViewChild('searchRes', { static: false }) searchResource: SearchResourceComponent;

    form;

    resClass: string;

    constructor(@Inject(FormBuilder) private _fb: FormBuilder) {
    }

    ngOnInit() {
        this.form = this._fb.group({});
        this.resClass = 'http://0.0.0.0:3333/ontology/0001/anything/v2#Thing';
    }
}

/**
 * test component to simulate ResourceAndPropertySelectionComponent.
 */
@Component({
    selector: 'app-resource-and-property-selection',
    template: ''
})
class TestResourceAndPropertySelectionComponent implements OnInit {

    @Input() formGroup: FormGroup;

    @Input() activeOntology: string;

    @Input() resourceClassRestriction?: string;

    @Input() topLevel;

    // mock ref to child comp.
    resourceClassComponent = {
        selectedResourceClassIri: 'http://0.0.0.0:3333/ontology/0001/anything/v2#Thing'
    };

    // mock ref to child comp.
    propertyComponents = [];

    ngOnInit() {

        const anythingOnto = MockOntology.mockReadOntology('http://0.0.0.0:3333/ontology/0001/anything/v2');

        const linkedResValue = new ComparisonOperatorAndValue(new GreaterThan(), new ValueLiteral('0.5', 'http://www.w3.org/2001/XMLSchema#decimal'));

        const hasDecimal = anythingOnto.properties['http://0.0.0.0:3333/ontology/0001/anything/v2#hasDecimal'];

        const linkedResourceWithVal = new PropertyWithValue(hasDecimal as ResourcePropertyDefinition, linkedResValue, false);

        this.propertyComponents = [{
            getPropertySelectedWithValue: () => linkedResourceWithVal
        }];
    }
}

describe('SearchResourceComponent', () => {
    let testHostComponent: TestHostComponent;
    let testHostFixture: ComponentFixture<TestHostComponent>;

    beforeEach(waitForAsync(() => {

        TestBed.configureTestingModule({
            imports: [
                BrowserAnimationsModule,
                ReactiveFormsModule
            ],
            declarations: [
                SearchResourceComponent,
                TestResourceAndPropertySelectionComponent,
                TestHostComponent
            ]
        })
            .compileComponents();
    }));

    beforeEach(() => {
        testHostFixture = TestBed.createComponent(TestHostComponent);
        testHostComponent = testHostFixture.componentInstance;

        testHostFixture.detectChanges();
    });

    it('should create', () => {
        expect(testHostComponent).toBeTruthy();
        expect(testHostComponent.searchResource).toBeTruthy();
    });

    it('should correctly determine the ontology from the resource class constraint', () => {
        expect(testHostComponent.searchResource.restrictResourceClass).toEqual('http://0.0.0.0:3333/ontology/0001/anything/v2#Thing');
    });

    it('should return a specified resource', () => {

        const linkedRes = testHostComponent.searchResource.getValue();

        expect(linkedRes instanceof LinkedResource).toBeTrue();
        expect((linkedRes as LinkedResource).resourceClass).toEqual('http://0.0.0.0:3333/ontology/0001/anything/v2#Thing');
        expect((linkedRes as LinkedResource).properties.length).toEqual(1);

        expect((linkedRes as LinkedResource).properties[0].property.id).toEqual('http://0.0.0.0:3333/ontology/0001/anything/v2#hasDecimal');

    });

});