text: import os
  import textwrap
  import urllib.parse
  
  import pytest
  
  
  @pytest.mark.usefixtures("with_wheel")
  def test_find_links_relative_path(script, data):
      """Test find-links as a relative path."""
      result = script.pip(
          "install",
          "parent==0.1",
          "--no-index",
          "--find-links",
          "packages/",
          cwd=data.root,
      )
      dist_info_folder = script.site_packages / "parent-0.1.dist-info"
      initools_folder = script.site_packages / "parent"
      result.did_create(dist_info_folder)
      result.did_create(initools_folder)
  
  
  @pytest.mark.usefixtures("with_wheel")
  def test_find_links_requirements_file_relative_path(script, data):
      """Test find-links as a relative path to a reqs file."""
      script.scratch_path.joinpath("test-req.txt").write_text(
          textwrap.dedent(
              """
          --no-index
          --find-links={}
          parent==0.1
          """.format(
                  data.packages.replace(os.path.sep, "/")
              )
          )
      )
      result = script.pip(
          "install",
          "-r",
          script.scratch_path / "test-req.txt",
          cwd=data.root,
      )
      dist_info_folder = script.site_packages / "parent-0.1.dist-info"
      initools_folder = script.site_packages / "parent"
      result.did_create(dist_info_folder)
      result.did_create(initools_folder)
  
  
  @pytest.mark.usefixtures("with_wheel")
  def test_install_from_file_index_hash_link(script, data):
      """
      Test that a pkg can be installed from a file:// index using a link with a
      hash
      """
      result = script.pip("install", "-i", data.index_url(), "simple==1.0")
      dist_info_folder = script.site_packages / "simple-1.0.dist-info"
      result.did_create(dist_info_folder)
  
  
  @pytest.mark.usefixtures("with_wheel")
  def test_file_index_url_quoting(script, data):
      """
      Test url quoting of file index url with a space
      """
      index_url = data.index_url(urllib.parse.quote("in dex"))
      result = script.pip("install", "-vvv", "--index-url", index_url, "simple")
      result.did_create(script.site_packages / "simple")
      result.did_create(script.site_packages / "simple-1.0.dist-info")
  