terriajs/test/Core/ResultSpec.ts

Geospatial data visualization platform.

import TerriaError from "../../lib/Core/TerriaError";
import Result from "../../lib/Core/Result";

describe("Result", function () {
  beforeEach(function () {});

  it("Can create Result without error", function () {
    const result = new Result("what");

    expect(result.ignoreError()).toBe("what");
    expect(result.throwIfError()).toBe("what");
    expect(result.throwIfUndefined()).toBe("what");
    expect(result.error).toBeUndefined();

    let caughtError = false;
    expect(
      result.catchError(() => {
        caughtError = true;
      })
    ).toBe("what");
    expect(caughtError).toBeFalsy();

    const result2 = new Result("what");

    expect(result2.ignoreError()).toBe("what");
    expect(result2.throwIfError()).toBe("what");
    expect(result2.throwIfUndefined()).toBe("what");
    expect(result.error).toBeUndefined();

    let caughtError2 = false;
    expect(
      result2.catchError(() => {
        caughtError2 = true;
      })
    ).toBe("what");
    expect(caughtError2).toBeFalsy();
  });

  it("Can create Result with error", function () {
    const result = new Result(
      "what",
      new TerriaError({ message: "some error" })
    );

    expect(result.ignoreError()).toBe("what");
    expect(result.throwIfError).toThrow();
    expect(result.throwIfUndefined()).toBe("what");
    expect(result.error?.message).toBe("some error");

    let caughtError = false;
    expect(
      result.catchError(() => {
        caughtError = true;
      })
    ).toBe("what");
    expect(caughtError).toBeTruthy();

    const result2 = new Result(undefined, { message: "some error" });

    expect(result2.ignoreError()).toBe(undefined);
    expect(result2.throwIfError).toThrow();
    expect(result2.throwIfUndefined).toThrow();
    expect(result2.error?.message).toBe("some error");

    let caughtError2 = false;
    expect(
      result2.catchError(() => {
        caughtError2 = true;
      })
    ).toBe(undefined);
    expect(caughtError2).toBeTruthy();
  });
});