insults/tests/languageHelpers.test.js

A random insult generator

import {
  ingify,
  addIndefiniteArticle,
  capitalize,
  pluralize,
  nounify
} from "../src/languageHelpers";

it("capitalizes", () => {
  expect(capitalize("foo")).toBe("Foo");
});

it("adds an indefinite article", () => {
  expect(addIndefiniteArticle("foo")).toBe("a foo");
  expect(addIndefiniteArticle("ant")).toBe("an ant");
  expect(addIndefiniteArticle("use")).toBe("a use");
  expect(addIndefiniteArticle("urine")).toBe("a urine");
  expect(addIndefiniteArticle("ump")).toBe("an ump");
});

it("pluralizes", () => {
  expect(pluralize("foo")).toBe("foos");
  expect(pluralize("fish")).toBe("fishes");
  expect(pluralize("case")).toBe("cases");
});

it("turns verbs to nouns", () => {
  expect(nounify("guzzle")).toBe("guzzler");
  expect(nounify("eat")).toBe("eater");
  expect(nounify("fist")).toBe("fister");
  expect(nounify("slap")).toBe("slapper");
  expect(nounify("poop")).toBe("pooper");
  expect(nounify("violate")).toBe("violator");
  expect(nounify("shit")).toBe("shitter");
});

it("turns words to -ing verbs", () => {
  expect(ingify("guzzle")).toBe("guzzling");
  expect(ingify("eat")).toBe("eating");
  expect(ingify("fist")).toBe("fisting");
  expect(ingify("slap")).toBe("slapping");
});