salix/loopback/common/methods/vn-model/specs/rewriteDbError.spec.js

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

describe('Model rewriteDbError()', () => {
    it('should extend rewriteDbError properties to any model passed', () => {
        const exampleModel = models.ItemTag;

        expect(exampleModel.rewriteDbError).toBeDefined();
    });

    it('should handle a duplicated warehouse error', async() => {
        const tx = await models.Ticket.beginTransaction({});

        let error;

        try {
            const options = {transaction: tx};

            const itemTag = {itemFk: 1, tagFk: 56, value: 'Ranged weapon', priority: 1};
            await models.ItemTag.create(itemTag, options);

            await tx.rollback();
        } catch (e) {
            await tx.rollback();
            error = e;
        }

        expect(error.message).toEqual(`The tag or priority can't be repeated for an item`);
    });
});