js-data-projection/src/definitions/validate-projection-schema-definition.spec.js

import {expect} from 'chai';
import {format} from '@e22m4u/js-format';
import {validateProjectionSchemaDefinition} from './validate-projection-schema-definition.js';

describe('validateProjectionSchemaDefinition', function () {
  it('should require the first argument to be an object', function () {
    const throwable = v => () => validateProjectionSchemaDefinition(v);
    const error = s =>
      format(
        'Projection schema definition must be an Object, but %s was given.',
        s,
      );
    expect(throwable('str')).to.throw(error('"str"'));
    expect(throwable('')).to.throw(error('""'));
    expect(throwable(10)).to.throw(error('10'));
    expect(throwable(0)).to.throw(error('0'));
    expect(throwable(true)).to.throw(error('true'));
    expect(throwable(false)).to.throw(error('false'));
    expect(throwable([])).to.throw(error('Array'));
    expect(throwable(null)).to.throw(error('null'));
    expect(throwable(undefined)).to.throw(error('undefined'));
    throwable({name: 'mySchema', schema: {}})();
  });

  it('should require the "name" option to be a string', function () {
    const throwable = v => () =>
      validateProjectionSchemaDefinition({name: v, schema: {}});
    const error = s =>
      format(
        'Projection schema name must be a non-empty String, but %s was given.',
        s,
      );
    expect(throwable('')).to.throw(error('""'));
    expect(throwable(10)).to.throw(error('10'));
    expect(throwable(0)).to.throw(error('0'));
    expect(throwable([])).to.throw(error('Array'));
    expect(throwable({})).to.throw(error('Object'));
    expect(throwable(null)).to.throw(error('null'));
    expect(throwable(undefined)).to.throw(error('undefined'));
    throwable('mySchema')();
  });

  it('should require the "schema" option to be an object', function () {
    const throwable = v => () =>
      validateProjectionSchemaDefinition({name: 'mySchema', schema: v});
    const error = s =>
      format('Projection schema must be an Object, but %s was given.', s);
    expect(throwable('str')).to.throw(error('"str"'));
    expect(throwable('')).to.throw(error('""'));
    expect(throwable(10)).to.throw(error('10'));
    expect(throwable(0)).to.throw(error('0'));
    expect(throwable([])).to.throw(error('Array'));
    expect(throwable(null)).to.throw(error('null'));
    expect(throwable(undefined)).to.throw(error('undefined'));
    throwable({})();
  });

  it('should validate the projection schema', function () {
    const throwable = () =>
      validateProjectionSchemaDefinition({name: 'mySchema', schema: {foo: 10}});
    expect(throwable).to.throw(
      'Field options must be a Boolean or an Object, but 10 was given.',
    );
  });
});