typed-utilities/build/__tests__/sequenceId.test.js

Strongly typed general purpose utilities

"use strict";

var _ = require("..");

describe(`sequenceId`, () => {
  describe(`sequenceIdGenerator`, () => {
    test(`unbounded`, () => {
      const seq = (0, _.nextify)((0, _.sequenceIdGenerator)(`test`));
      const ids = (0, _.range)(10).map(() => seq());
      expect(ids).toEqual([`test-0`, `test-1`, `test-2`, `test-3`, `test-4`, `test-5`, `test-6`, `test-7`, `test-8`, `test-9`]);
    });
    test(`bounded`, () => {
      const seq = (0, _.nextify)((0, _.sequenceIdGenerator)(`test`, 5));
      const ids = (0, _.range)(5).map(() => seq());
      expect(ids).toEqual([`test-0`, `test-1`, `test-2`, `test-3`, `test-4`]);
      expect(() => seq()).toThrow();
    });
  });
  describe(`sequenceIdFn`, () => {
    test(`unbounded`, () => {
      const seq = (0, _.sequenceIdFn)(`test`);
      const ids = (0, _.range)(10).map(() => seq());
      expect(ids).toEqual([`test-0`, `test-1`, `test-2`, `test-3`, `test-4`, `test-5`, `test-6`, `test-7`, `test-8`, `test-9`]);
    });
    test(`bounded`, () => {
      const seq = (0, _.sequenceIdFn)(`test`, 5);
      const ids = (0, _.range)(5).map(() => seq());
      expect(ids).toEqual([`test-0`, `test-1`, `test-2`, `test-3`, `test-4`]);
      expect(() => seq()).toThrow();
    });
  });
});
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