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// Copyright (C) 2021 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import {
arrayOf,
num,
oneOf,
record,
requiredStr,
runValidator,
ValidatedType,
ValidationError
} from './validators';
const colors = ['RED', 'GREEN', 'BLUE'] as const;
type Color = typeof colors[number];
const point = record({
id: requiredStr,
color: oneOf<Color>(colors, 'RED'),
x: num(),
y: num(1),
properties: record({mass: num(10)})
});
type Point = ValidatedType<typeof point>;
const nested =
record({deeply: record({nested: record({array: arrayOf(point)})})});
test('validator ensures presence of required fields', () => {
expect(() => {
runValidator(point, {});
}).toThrow(ValidationError);
});
test('validator ensures correct type of required fields', () => {
expect(() => {
runValidator(point, {id: 0});
}).toThrow(ValidationError);
});
test('validator fills default values', () => {
const p: Point = runValidator(point, {id: 'test'}).result;
expect(p.color).toEqual('RED');
expect(p.x).toEqual(0);
expect(p.y).toEqual(1);
expect(p.properties.mass).toEqual(10);
});
test('validator uses provided values', () => {
const p: Point =
runValidator(
point,
{id: 'test', x: 100, y: 200, color: 'GREEN', properties: {mass: 20}})
.result;
expect(p.color).toEqual('GREEN');
expect(p.x).toEqual(100);
expect(p.y).toEqual(200);
expect(p.properties.mass).toEqual(20);
});
test('validator keeps information about extra and invalid keys', () => {
const result = runValidator(point, {
id: 'test',
x: 'should not be a string',
extra: 'should not be here',
properties: {mass: 'should be a number', weight: 'should not be here'}
});
expect(result.extraKeys).toContain('extra');
expect(result.extraKeys).toContain('properties.weight');
expect(result.invalidKeys).toContain('x');
expect(result.invalidKeys).toContain('properties.mass');
});
test('validator correctly keeps track of path when reporting keys', () => {
const result = runValidator(nested, {
extra1: 0,
deeply: {
extra2: 1,
nested: {
array: [
{id: 'point1', x: 'should not be a string'},
{id: 'point2', extra3: 'should not be here'}
]
}
}
});
expect(result.extraKeys).toContain('extra1');
expect(result.extraKeys).toContain('deeply.extra2');
expect(result.extraKeys).toContain('deeply.nested.array[1].extra3');
expect(result.invalidKeys).toContain('deeply.nested.array[0].x');
});
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