mirror of
https://github.com/jspsych/jsPsych.git
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8cfbba526a
Instead of a global `jsPsych` object, there is a `JsPsych` class now which can be instantiated with the parameters that were previously accepted by `jsPsych.init`. Upon instantiation, the `JsPsych` class also instantiates classes for stateful modules (`jsPsych.data` and `jsPsych.pluginAPI`) and passes relevant `JsPsych` instance information to them. Plugins are expected to be classes now that are instantiated for each trial and receive the `JsPsych` instance as their only constructor argument.
64 lines
1.5 KiB
TypeScript
64 lines
1.5 KiB
TypeScript
import { deepCopy, flatten, unique } from "../../src/modules/utils";
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describe("unique", function () {
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test("generates unique array when there are duplicates", function () {
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var arr = [1, 1, 2, 2, 3, 3];
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var out = unique(arr);
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expect(out).toEqual([1, 2, 3]);
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expect(out).not.toEqual(arr);
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});
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test("generates same array when there are no duplicates", function () {
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var arr = [1, 2, 3];
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var out = unique(arr);
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expect(out).toEqual(arr);
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});
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});
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describe("flatten", function () {
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test("generates flat array from flat input", function () {
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var arr = [1, 1, 2, 2, 3, 3];
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var out = flatten(arr);
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expect(out).toEqual(arr);
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});
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test("generates flat array from nested input", function () {
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var arr = [1, [1, 2, 2], [3], 3];
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var out = flatten(arr);
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expect(out).toEqual([1, 1, 2, 2, 3, 3]);
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});
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});
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describe("deepCopy", function () {
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test("works for objects", function () {
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var o = { a: 1, b: { c: 2, d: 3 } };
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var o2 = deepCopy(o);
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o2.b.c = 4;
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expect(o.b.c).toBe(2);
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});
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test("works for objects with arrays", function () {
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var o = { a: 1, b: [2, 3] };
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var o2 = deepCopy(o);
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o2.b[0] = 4;
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expect(JSON.stringify(o2.b)).toBe(JSON.stringify([4, 3]));
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expect(o.b[0]).toBe(2);
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});
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test("works for objects with functions", function () {
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var c = 0;
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var o = {
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a: 1,
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b: function () {
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c = 2;
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},
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};
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var o2 = deepCopy(o);
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o2.b = function () {
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c = 1;
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};
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o.b();
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expect(c).toBe(2);
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o2.b();
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expect(c).toBe(1);
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});
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});
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