import { merge } from '../../src/lib/merge';


describe(`File Importing`, () => {

    it('should merge', async () => {

        const a = {
            a: 1,
            b: 2,
            ar: [
                1,
                2
            ]
        };

        const b = {
            a: 2,
            c: 3,
            ar: [
                3,
                4
            ]
        }

        const merged = merge([a, b]);
        expect(merged).toHaveProperty('a', 2);
        expect(merged).toHaveProperty('c', 3);
        expect(merged).toHaveProperty('ar', [ 3, 4]);

    });

    it('should merge and concat array with option set', async () => {

        const a = {
            a: 1,
            b: 2,
            ar: [
                1,
                2
            ]
        };

        const b = {
            a: 2,
            c: 3,
            ar: [
                3,
                4
            ]
        }

        const merged = merge([a, b], { concatArrays: true });
        expect(merged).toHaveProperty('a', 2);
        expect(merged).toHaveProperty('c', 3);
        expect(merged).toHaveProperty('ar', [ 1, 2, 3, 4]);

    });


    it('should merge and overwrite property when overwrite option set', async () => {

        const a = {
            a: 1,
            b: 2,
            c: {
                c1: 1,
                c2: 2,
            },
            ar: [
                1,
                2
            ]
        };

        const b = {
            a: 2,
            c: {
                c3: 3,
                c4: 4,
            },
            ar: [
                3,
                4
            ]
        }

        const merged = merge([a, b], { concatArrays: false, overwrite: true });
        expect(merged).toHaveProperty('a', 2);
        expect(merged).toHaveProperty('c', { c3: 3, c4: 4 });
        expect(merged).toHaveProperty('ar', [ 3, 4]);

    });

    it('should merge and overwrite property when overwrite option set and concat arrays when concatArrays true', async () => {

        const a = {
            a: 1,
            b: 2,
            c: {
                c1: 1,
                c2: 2,
            },
            ar: [
                1,
                2
            ]
        };

        const b = {
            a: 2,
            c: {
                c3: 3,
                c4: 4,
            },
            ar: [
                3,
                4
            ]
        }

        const merged = merge([a, b], { concatArrays: true, overwrite: true });
        expect(merged).toHaveProperty('a', 2);
        expect(merged).toHaveProperty('c', { c3: 3, c4: 4 });
        expect(merged).toHaveProperty('ar', [ 1, 2, 3, 4]);

    });    

});