import { expect, test } from "vitest";
import toStartCase from "./toStartCase";

test.each([
  ["", ""],
  ["a", "A"],
  ["thing", "Thing"],
  ["some_snake_case_thing", "Some Snake Case Thing"],
  ["Some_Caps_Snake_Case_Thing", "Some Caps Snake Case Thing"],
  ["someCamelCaseThing", "Some Camel Case Thing"],
  ["SomePascalCaseThing", "Some Pascal Case Thing"],
  ["some-kebab-case-thing", "Some Kebab Case Thing"],
  ["some spaced thing", "Some Spaced Thing"],
  ["some-cursed mixOfThings_going_on", "Some Cursed Mix Of Things Going On"],
  ["downloadUrl", "Download Url"],
  ["download_url", "Download Url"],
  ["download_Url", "Download Url"],
  ["Download_Url", "Download Url"],
  ["downloadURL", "Download URL"],
  ["DownloadURL", "Download URL"],
  ["XMLHttpRequest", "XML HTTP Request"],
  ["XmlHTTPRequest", "XML HTTP Request"],
  ["someAI", "Some AI"],
  ["SomeAI", "Some AI"],
  ["v2", "V2"],
  ["V2", "V2"],
  ["flagV2", "Flag V2"],
  ["flag_V2", "Flag V2"],
  ["flag_v2", "Flag V2"],
  ["upgradeOn20230428", "Upgrade On 20230428"],
  ["    spaced -_out -", "Spaced Out"],
  ["enableCrm", "Enable CRM"],
  ["showUiV2", "Show UI V2"],
])("%s -> %s", (input, expected) => {
  expect(toStartCase(input)).toBe(expected);
});