defmodule MockHTTPClient do
  @behaviour #{module}.HTTPClient

  def get("https://www.example.com") do
    {:ok, %Req.Response{status: 200, body: "Some HTML"}}
  end

  def get("https://www.doesntexist.com/some/path") do
    {:ok, %Req.Response{status: 404}}
  end

  def get("https://return.error") do
    {:error, "Boom!"}
  end

  @doc \"\"\"
  It makes no sense to mock get/2, as it is simply for testing
  \"\"\"
  def get(_url, _mock), do: nil
end

defmodule #{module}.HttpClientTest do
  use #{module}.DataCase

  alias #{module}.HTTPClient

  test "get returns the body of the response" do
    {:ok, body} = HTTPClient.get("https://www.example.com", MockHTTPClient)
    assert String.contains?(body, "Some HTML")
  end

  test "get returns :not_found when the response is 404" do
    {:error, :not_found} = HTTPClient.get("https://www.doesntexist.com/some/path", MockHTTPClient)
  end

  test "get returns :not_found for other errors" do
    {:error, :not_found} = HTTPClient.get("https://return.error", MockHTTPClient)
  end
end