Add headless firefox driver to System Tests

3 files changed, 18 insertions, 0 deletions

diff --git a/actionpack/test/abstract_unit.rb b/actionpack/test/abstract_unit.rb
index 5262e85a28..55ad9c245e 100644
--- a/actionpack/test/abstract_unit.rb
+++ b/actionpack/test/abstract_unit.rb
@@ -453,3 +453,7 @@ end
 class DrivenBySeleniumWithHeadlessChrome < ActionDispatch::SystemTestCase
   driven_by :selenium, using: :headless_chrome
 end
+
+class DrivenBySeleniumWithHeadlessFirefox < ActionDispatch::SystemTestCase
+  driven_by :selenium, using: :headless_firefox
+end
diff --git a/actionpack/test/dispatch/system_testing/driver_test.rb b/actionpack/test/dispatch/system_testing/driver_test.rb
index 75feae6fe0..fcdaf7fb4c 100644
--- a/actionpack/test/dispatch/system_testing/driver_test.rb
+++ b/actionpack/test/dispatch/system_testing/driver_test.rb
@@ -25,6 +25,14 @@ class DriverTest < ActiveSupport::TestCase
     assert_equal ({ url: "http://example.com/wd/hub" }), driver.instance_variable_get(:@options)
   end
 
+  test "initializing the driver with a headless firefox" do
+    driver = ActionDispatch::SystemTesting::Driver.new(:selenium, using: :headless_firefox, screen_size: [1400, 1400], options: { url: "http://example.com/wd/hub" })
+    assert_equal :selenium, driver.instance_variable_get(:@name)
+    assert_equal :headless_firefox, driver.instance_variable_get(:@browser)
+    assert_equal [1400, 1400], driver.instance_variable_get(:@screen_size)
+    assert_equal ({ url: "http://example.com/wd/hub" }), driver.instance_variable_get(:@options)
+  end
+
   test "initializing the driver with a poltergeist" do
     driver = ActionDispatch::SystemTesting::Driver.new(:poltergeist, screen_size: [1400, 1400], options: { js_errors: false })
     assert_equal :poltergeist, driver.instance_variable_get(:@name)
diff --git a/actionpack/test/dispatch/system_testing/system_test_case_test.rb b/actionpack/test/dispatch/system_testing/system_test_case_test.rb
index c6a6aef92b..b078a5abc5 100644
--- a/actionpack/test/dispatch/system_testing/system_test_case_test.rb
+++ b/actionpack/test/dispatch/system_testing/system_test_case_test.rb
@@ -28,6 +28,12 @@ class SetDriverToSeleniumHeadlessChromeTest < DrivenBySeleniumWithHeadlessChrome
   end
 end
 
+class SetDriverToSeleniumHeadlessFirefoxTest < DrivenBySeleniumWithHeadlessFirefox
+  test "uses selenium headless firefox" do
+    assert_equal :selenium, Capybara.current_driver
+  end
+end
+
 class SetHostTest < DrivenByRackTest
   test "sets default host" do
     assert_equal "http://127.0.0.1", Capybara.app_host