[webui] Add tests for check_user action

This should help to cover the proxy mode authentification

src/api/test/functional/webui/webui_controller_test.rb

@@ -0,0 +1,41 @@
+require_relative '../../test_helper'
+
+class Webui::WebuiControllerTest < Webui::IntegrationTest
+  setup do
+    @before = CONFIG['proxy_auth_mode']
+    # Fake proxy mode
+    CONFIG['proxy_auth_mode'] = :on
+  end
+
+  teardown do
+    CONFIG['proxy_auth_mode'] = @before
+  end
+
+  def test_check_user_in_proxy
+    use_js
+
+    # No user set by proxy
+    visit search_path
+    page.must_have_text "Log In"
+
+    # Existing OBS user
+    page.driver.add_header('X_USERNAME', 'tom')
+
+    visit search_path
+    assert_equal "tom", find('#link-to-user-home').text, "Should log in existing users"
+
+    # New OBS user
+    page.driver.add_header('X_USERNAME', 'new_user')
+    page.driver.add_header('X_EMAIL', 'new_user@obs.com')
+    page.driver.add_header('X_FIRSTNAME', 'Bob')
+    page.driver.add_header('X_LASTNAME', 'Geldof')
+
+    visit search_path
+
+    user = User.find_by(login: "new_user")
+    assert user, "Should create a new user"
+    assert_equal "Bob Geldof", user.realname
+    assert_equal "new_user@obs.com", user.email
+    assert_equal "new_user", find('#link-to-user-home').text, "Should log in new user"
+  end
+end