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/*
* BSD 3-Clause License
*
* Copyright (c) 2020, Mapcreator
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
import Trait from '../../src/traits/Trait';
import { fnv32b, hashObject } from '../../src/utils/hash';
import { isNode } from '../../src/utils/node';
import { getTypeName, isParentOf, mix } from '../../src/utils/reflection';
import { encodeQueryString } from '../../src/utils/requests';
import Singleton from '../../src/utils/Singleton';
import StaticClass from '../../src/utils/StaticClass';
import Uuid from '../../src/utils/uuid';
test('fnv32b hashes properly', () => {
expect(fnv32b('Mapcreator')).toEqual('df1d3f67');
});
test('objects are correctly hashed', () => {
const obj1 = { c: 8, b: [{ z: 6, y: 5, x: 4 }, 7], a: 3 };
const obj2 = { a: 3, c: 8, b: [{ z: 6, y: 5, x: 4 }, 7] };
expect(hashObject(obj1)).toEqual(hashObject(obj2));
});
test('nodejs is correctly detected', () => {
expect(isNode()).toBeTruthy();
});
test('isParentOf correctly detects inheritance', () => {
class A {
}
class B extends A {
}
class C extends B {
}
expect(isParentOf(A, C)).toBeTruthy();
expect(isParentOf(A, B)).toBeTruthy();
expect(isParentOf(B, C)).toBeTruthy();
expect(isParentOf(C, C)).toBeTruthy();
expect(isParentOf(B, A)).toBeFalsy();
expect(isParentOf(C, A)).toBeFalsy();
expect(isParentOf(C, B)).toBeFalsy();
});
test('getTypeName correctly returns the name', () => {
class FooBar {
}
expect(getTypeName(FooBar)).toEqual('FooBar');
expect(getTypeName(new FooBar())).toEqual('FooBar');
});
test('encodeQueryString works correctly', () => {
const data = {
foo: 'bar',
beer: '🍻',
obj: { hello: 'world!' },
arr: [1, 2, 3, 4],
};
const query = 'arr[0]=1&arr[1]=2&arr[2]=3&arr[3]=4&beer=%F0%9F%8D%BB&foo=bar&obj[hello]=world!';
expect(encodeQueryString(data)).toEqual(query);
});
test('singleton returns same instance', () => {
class Foo extends Singleton {
}
expect(new Foo()).toEqual(new Foo());
const foo = new Foo();
foo.bar = Math.random();
expect((new Foo()).bar).toEqual(foo.bar);
});
test('static class can\'t be Instantiated', () => {
class Foo extends StaticClass {
}
expect(() => new Foo()).toThrow(Error);
});
test('uuid4 returns a new random uuid', () => {
const iterations = 1000;
const data = [];
for (let i = 0; i < iterations; i++) {
data.push(Uuid.uuid4());
}
const duplicates = data.reduce((out, id, i) => {
if (data.findIndex(z => z === id) !== i) {
out.push(id);
}
return out;
}, []);
expect(duplicates).toEqual([]);
});
test('uuid0 returns a null uuid', () => {
expect(Uuid.nil()).toEqual('0000000-0000-0000-0000-000000000000');
});
test('Traits work correctly', () => {
const uuid4 = Uuid.uuid4();
class Foo extends Trait {
foo () {
return this.bar;
}
}
class Bar extends Trait {
initializer () {
this._bar = uuid4;
}
get bar () {
return this._bar;
}
}
class Baz extends mix(Foo, Bar) {
}
const instance = new Baz();
const cocktail = Object.getPrototypeOf(Baz);
expect(instance.foo()).toEqual(uuid4);
expect(cocktail.name).toEqual('Cocktail_5d296402');
});
test('Mixing can only be done with Traits', () => {
class Foo {
}
class Bar {
}
class Baz extends Trait {
}
expect(() => mix(Foo, Bar)).toThrow(TypeError);
expect(typeof mix(Foo, Baz)).toEqual('function');
});
test('getTypeName correctly gets the type name', () => {
expect(getTypeName(Date)).toEqual('Date');
expect(getTypeName(new Date())).toEqual('Date');
});