splitster/src/records/test/utils/__tests__/disableByUsage.test.js

Javascript AB testing tool

import disableByUsage from "../disableByUsage";

const override = {
  TEST_1: "__disabled_dev"
};

describe("disableByUsage", () => {
  it("should not touch if already disabled", () => {
    expect(disableByUsage(override)(["TEST_1", { disabled: true }])).toEqual([
      "TEST_1",
      { disabled: true }
    ]);
  });
  it("should not touch if override correctly set", () => {
    expect(disableByUsage(override)(["TEST_1", {}])).toEqual(["TEST_1", {}]);
  });
  it("should not touch if usage not specified", () => {
    expect(disableByUsage(override)(["TEST_XY", {}])).toEqual(["TEST_XY", {}]);
  });
  it("should disable by usage if random if bigger than test usage", () => {
    expect(disableByUsage({}, 50)(["TEST_1", { usage: 70 }])).toEqual([
      "TEST_1",
      { usage: 70 }
    ]);
    expect(disableByUsage({}, 50)(["TEST_1", { usage: 40 }])).toEqual([
      "TEST_1",
      { usage: 40, disabled: true, disabledReason: "usage" }
    ]);
    expect(disableByUsage({}, 50)(["TEST_1", { usage: 50 }])).toEqual([
      "TEST_1",
      { usage: 50, disabled: true, disabledReason: "usage" }
    ]);
  });
});