@giancosta86/more-jest/dist/equality.js

TypeScript utilities for Jest

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Equality = void 0;
const globals_1 = require("@jest/globals");
const swan_lake_1 = require("@giancosta86/swan-lake");
function createEqualityTesterFor(classType) {
    return function (left, right) {
        if (!(left instanceof classType) || !(right instanceof classType)) {
            return;
        }
        return swan_lake_1.Optional.equals(left, right);
    };
}
var Equality;
(function (Equality) {
    function addTesterFor(classType) {
        const equalityTester = createEqualityTesterFor(classType);
        globals_1.expect.addEqualityTesters([equalityTester]);
    }
    Equality.addTesterFor = addTesterFor;
    function test(factory, differentFactory) {
        describe("equality", () => {
            it("should work", () => {
                const left = factory();
                const right = factory();
                (0, globals_1.expect)(left).toEqual(right);
                (0, globals_1.expect)(right).toEqual(left);
            });
            it("should support arrays", () => {
                const leftArray = [factory()];
                const rightArray = [factory()];
                (0, globals_1.expect)(leftArray).toEqual(rightArray);
                (0, globals_1.expect)(rightArray).toEqual(leftArray);
            });
            it("should detect differences", () => {
                const value = factory();
                const different = differentFactory();
                (0, globals_1.expect)(value).not.toEqual(different);
                (0, globals_1.expect)(different).not.toEqual(value);
            });
            it("should detect undefined", () => {
                const value = factory();
                (0, globals_1.expect)(value).not.toEqual(undefined);
                (0, globals_1.expect)(undefined).not.toEqual(value);
            });
        });
    }
    Equality.test = test;
})(Equality = exports.Equality || (exports.Equality = {}));
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