budget/test/system/users_test.rb

require "application_system_test_case"

class UsersTest < ApplicationSystemTestCase
  setup do
    @user = users(:one)
  end

  test "visiting the index" do
    login(@user.email)
    visit users_url
    assert_selector "h1", text: "Users"
  end

  test "should create user" do
    visit users_url
    click_on "Sign up"

    stub_environment(REGISTRATION_ALLOWED: "true") do
      fill_in "Email", with: "userthree@example.local"
      fill_in "Password", with: "secret"
      fill_in "Password confirmation", with: "secret"
      click_on "Create User"

      assert_text "User was successfully created"
    end
    click_on "Back"
  end

  test "should update User" do
    login(@user.email)
    visit user_url(@user)
    click_on "Edit this user", match: :first

    fill_in "Email", with: "newemail@example.local"
    fill_in "Password", with: "newpassword"
    fill_in "Password confirmation", with: "newpassword"
    click_on "Update User"

    assert_text "User was successfully updated"
    click_on "Back"
  end

  test "should destroy User" do
    login(@user.email)
    visit user_url(users(:two))
    click_on "Destroy this user", match: :first

    assert_text "User was successfully destroyed"
  end
end