denoland-deno/testing/asserts_test.ts

// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.

import { assertStrContains, assertMatch } from "./asserts.ts";
import { test, assert } from "./mod.ts";
// import { assertEqual as prettyAssertEqual } from "./pretty.ts";
// import "./format_test.ts";
// import "./diff_test.ts";
// import "./pretty_test.ts";

test(function testingAssertStringContains() {
  assertStrContains("Denosaurus", "saur");
  assertStrContains("Denosaurus", "Deno");
  assertStrContains("Denosaurus", "rus");
});

test(function testingAssertStringContainsThrow() {
  let didThrow = false;
  try {
    assertStrContains("Denosaurus from Jurassic", "Raptor");
  } catch (e) {
    assert(
      e.message ===
        `actual: "Denosaurus from Jurassic" expected to contains: "Raptor"`
    );
    didThrow = true;
  }
  assert(didThrow);
});

test(function testingAssertStringMatching() {
  assertMatch("foobar@deno.com", RegExp(/[a-zA-Z]+@[a-zA-Z]+.com/));
});

test(function testingAssertStringMatchingThrows() {
  let didThrow = false;
  try {
    assertMatch("Denosaurus from Jurassic", RegExp(/Raptor/));
  } catch (e) {
    assert(
      e.message ===
        `actual: "Denosaurus from Jurassic" expected to match: "/Raptor/"`
    );
    didThrow = true;
  }
  assert(didThrow);
});