const models = require('vn-loopback/server/server').models;

describe('invoiceIn unbilledClients()', () => {
    it('should return all unbilled clients in a date range', async() => {
        const tx = await models.InvoiceIn.beginTransaction({});
        const options = {transaction: tx};
        const ctx = {
            args: {
                from: new Date().setMonth(new Date().getMonth() - 12),
                to: new Date(),
                filter: {}
            }
        };

        try {
            const result = await models.InvoiceIn.unbilledClients(ctx, options);

            expect(result.length).toBeGreaterThan(0);

            await tx.rollback();
        } catch (e) {
            await tx.rollback();
            throw e;
        }
    });

    it('should throw an error if a date range is not in args', async() => {
        let error;
        const tx = await models.InvoiceIn.beginTransaction({});
        const options = {transaction: tx};
        const ctx = {
            args: {
                filter: {}
            }
        };

        try {
            await models.InvoiceIn.unbilledClients(ctx, options);
            await tx.rollback();
        } catch (e) {
            error = e;
            await tx.rollback();
        }

        expect(error.message).toEqual(`Insert a date range`);
    });
});