@applicaster/zapp-react-native-utils/booleanUtils/__tests__/toBoolean.test.ts

Applicaster Zapp React Native utilities package

import { toBoolean } from "..";

describe("toBoolean", () => {
  it("return boolean if input is boolean", () => {
    const inputs = [true, false];
    expect.assertions(inputs.length);

    inputs.forEach((input) => {
      const output = toBoolean(input);
      expect(output).toBe(input);
    });
  });

  it("return undefined if input is not a boolean", () => {
    const inputs = [
      "vfdvf",
      null,
      undefined,
      NaN,
      "",
      {},
      { test: 1 },
      [],
      [1],
      "true",
      "false",
    ];

    expect.assertions(inputs.length);

    inputs.forEach((input) => {
      const output = toBoolean(input);
      expect(output).toBeUndefined();
    });
  });
});