Test single storage type clearing with Chrome

History.md

@@ -14,6 +14,7 @@ Release date: unreleased
 * Only default puma settings to `queue_requests: false` when using SSL
 * Visibility of descendants of <details> elements is correctly determined when using rack_test
   and the selenium driver with Capybara optimized atoms
+* local/session storage clearance in Chrome when clearing only one of them - Issue #2233
 
 # Version 3.26.0
 Release date: 2019-07-15

lib/capybara/selenium/driver_specializations/chrome_driver.rb

@@ -45,8 +45,8 @@ def reset!
 
     timer = Capybara::Helpers.timer(expire_in: 10)
     begin
-      @browser.navigate.to('about:blank')
       clear_storage unless uniform_storage_clear?
+      @browser.navigate.to('about:blank')
       wait_for_empty_page(timer)
     rescue *unhandled_alert_errors
       accept_unhandled_reset_alert

lib/capybara/selenium/driver_specializations/edge_driver.rb

@@ -39,8 +39,8 @@ def reset!
 
     timer = Capybara::Helpers.timer(expire_in: 10)
     begin
-      @browser.navigate.to('about:blank')
       clear_storage unless uniform_storage_clear?
+      @browser.navigate.to('about:blank')
       wait_for_empty_page(timer)
     rescue *unhandled_alert_errors
       accept_unhandled_reset_alert

spec/selenium_spec_chrome.rb

@@ -28,6 +28,22 @@
   Capybara::Selenium::Driver.new(app, chrome_options.merge(clear_local_storage: false, clear_session_storage: false))
 end
 
+Capybara.register_driver :selenium_chrome_not_clear_session_storage do |app|
+  chrome_options = {
+    browser: :chrome,
+    options: browser_options
+  }
+  Capybara::Selenium::Driver.new(app, chrome_options.merge(clear_session_storage: false))
+end
+
+Capybara.register_driver :selenium_chrome_not_clear_local_storage do |app|
+  chrome_options = {
+    browser: :chrome,
+    options: browser_options
+  }
+  Capybara::Selenium::Driver.new(app, chrome_options.merge(clear_local_storage: false))
+end
+
 Capybara.register_driver :selenium_driver_subclass_with_chrome do |app|
   subclass = Class.new(Capybara::Selenium::Driver)
   subclass.new(app, browser: :chrome, options: browser_options, timeout: 30)
@@ -79,6 +95,26 @@ module TestSessions
         expect(session.evaluate_script('Object.keys(localStorage)')).not_to be_empty
         expect(session.evaluate_script('Object.keys(sessionStorage)')).not_to be_empty
       end
+
+      it 'can not clear session storage' do
+        session = Capybara::Session.new(:selenium_chrome_not_clear_session_storage, TestApp)
+        session.visit('/with_js')
+        session.find(:css, '#set-storage').click
+        session.reset!
+        session.visit('/with_js')
+        expect(session.evaluate_script('Object.keys(localStorage)')).to be_empty
+        expect(session.evaluate_script('Object.keys(sessionStorage)')).not_to be_empty
+      end
+
+      it 'can not clear local storage' do
+        session = Capybara::Session.new(:selenium_chrome_not_clear_local_storage, TestApp)
+        session.visit('/with_js')
+        session.find(:css, '#set-storage').click
+        session.reset!
+        session.visit('/with_js')
+        expect(session.evaluate_script('Object.keys(localStorage)')).not_to be_empty
+        expect(session.evaluate_script('Object.keys(sessionStorage)')).to be_empty
+      end
     end
   end