const stripPrefix = require(`../strip-prefix`).default

describe(`strip-prefix`, () => {
  it(`strips a prefix`, () => {
    expect(stripPrefix(`/foo/bar/`, `/foo`)).toBe(`/bar/`)
  })

  it(`strips first instance only`, () => {
    expect(stripPrefix(`/foo/foo/bar/`, `/foo`)).toBe(`/foo/bar/`)
  })

  it(`strips full instance only`, () => {
    expect(stripPrefix(`/footest/`, `/foo`)).toBe(`/footest/`)
  })

  it(`ignores prefix appearing elsewhere in the string`, () => {
    expect(stripPrefix(`/foo/bar/`, `bar`)).toBe(`/foo/bar/`)
  })

  it(`ignores a non-existent prefix`, () => {
    expect(stripPrefix(`/bar`, `/foo`)).toBe(`/bar`)
  })

  it(`returns input str if no prefix is provided`, () => {
    expect(stripPrefix(`/bar`)).toBe(`/bar`)
  })
})