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

Applicaster Zapp React Native utilities package

import { pathOr } from "../pathOr";

test("example 1", () => {
  const defaultValue = "defaultValue";
  const path = ["a", "b", "c"];
  const xs = { a: { b: { c: 1 } } };

  const output = 1;

  expect(pathOr(defaultValue, path, xs)).toEqual(output);
});

test("example 2", () => {
  const defaultValue = "defaultValue";
  const path = ["a", "b"];
  const xs = { a: { b: { c: 1 } } };

  const output = { c: 1 };

  expect(pathOr(defaultValue, path, xs)).toEqual(output);
});

test("example 3", () => {
  const defaultValue = "defaultValue";
  const path = ["a", "b", "x"];
  const xs = { a: { b: { c: 1 } } };

  expect(pathOr(defaultValue, path, xs)).toBe(defaultValue);
});

test("example 4", () => {
  const defaultValue = "defaultValue";
  const path = ["a", "b", "c"];
  const xs = undefined;

  expect(pathOr(defaultValue, path, xs)).toBe(defaultValue);
});