rack 2.1.0 changed expires date format from rfc2822 to httpdate

See https://github.com/rack/rack/pull/1144.

Gemfile

@@ -12,6 +12,9 @@ gem "rake", ">= 11.1"
 gem "capybara", ">= 3.26"
 gem "selenium-webdriver", ">= 3.141.592"
 
+# TODO: Remove the line once next version has released.
+gem "rack", github: "rack/rack", ref: "1b82d84"
+
 gem "rack-cache", "~> 1.2"
 gem "sass-rails"
 gem "turbolinks", "~> 5"

Gemfile.lock

@@ -14,6 +14,13 @@ GIT
       event_emitter
       websocket
 
+GIT
+  remote: https://github.com/rack/rack.git
+  revision: 1b82d84d80c7d02a04122517da4a3874e5b78ba7
+  ref: 1b82d84
+  specs:
+    rack (2.2.0)
+
 PATH
   remote: .
   specs:
@@ -367,7 +374,6 @@ GEM
       thor
     raabro (1.1.6)
     racc (1.4.16)
-    rack (2.0.8)
     rack-cache (1.10.0)
       rack (>= 0.4)
     rack-protection (2.0.7)
@@ -575,6 +581,7 @@ DEPENDENCIES
   queue_classic!
   qunit-selenium
   racc (>= 1.4.6)
+  rack!
   rack-cache (~> 1.2)
   rails!
   rake (>= 11.1)

actionpack/test/dispatch/cookies_test.rb

@@ -413,13 +413,13 @@ class CookiesTest < ActionController::TestCase
 
   def test_setting_cookie_for_fourteen_days
     get :authenticate_for_fourteen_days
-    assert_cookie_header "user_name=david; path=/; expires=Mon, 10 Oct 2005 05:00:00 -0000; SameSite=Lax"
+    assert_cookie_header "user_name=david; path=/; expires=Mon, 10 Oct 2005 05:00:00 GMT; SameSite=Lax"
     assert_equal({ "user_name" => "david" }, @response.cookies)
   end
 
   def test_setting_cookie_for_fourteen_days_with_symbols
     get :authenticate_for_fourteen_days_with_symbols
-    assert_cookie_header "user_name=david; path=/; expires=Mon, 10 Oct 2005 05:00:00 -0000; SameSite=Lax"
+    assert_cookie_header "user_name=david; path=/; expires=Mon, 10 Oct 2005 05:00:00 GMT; SameSite=Lax"
     assert_equal({ "user_name" => "david" }, @response.cookies)
   end
 
@@ -454,7 +454,7 @@ class CookiesTest < ActionController::TestCase
   def test_multiple_cookies
     get :set_multiple_cookies
     assert_equal 2, @response.cookies.size
-    assert_cookie_header "user_name=david; path=/; expires=Mon, 10 Oct 2005 05:00:00 -0000; SameSite=Lax\nlogin=XJ-122; path=/; SameSite=Lax"
+    assert_cookie_header "user_name=david; path=/; expires=Mon, 10 Oct 2005 05:00:00 GMT; SameSite=Lax\nlogin=XJ-122; path=/; SameSite=Lax"
     assert_equal({ "login" => "XJ-122", "user_name" => "david" }, @response.cookies)
   end
 
@@ -465,14 +465,14 @@ class CookiesTest < ActionController::TestCase
   def test_expiring_cookie
     request.cookies[:user_name] = "Joe"
     get :logout
-    assert_cookie_header "user_name=; path=/; max-age=0; expires=Thu, 01 Jan 1970 00:00:00 -0000; SameSite=Lax"
+    assert_cookie_header "user_name=; path=/; max-age=0; expires=Thu, 01 Jan 1970 00:00:00 GMT; SameSite=Lax"
     assert_equal({ "user_name" => nil }, @response.cookies)
   end
 
   def test_delete_cookie_with_path
     request.cookies[:user_name] = "Joe"
     get :delete_cookie_with_path
-    assert_cookie_header "user_name=; path=/beaten; max-age=0; expires=Thu, 01 Jan 1970 00:00:00 -0000; SameSite=Lax"
+    assert_cookie_header "user_name=; path=/beaten; max-age=0; expires=Thu, 01 Jan 1970 00:00:00 GMT; SameSite=Lax"
   end
 
   def test_delete_unexisting_cookie
@@ -749,7 +749,7 @@ class CookiesTest < ActionController::TestCase
   def test_delete_and_set_cookie
     request.cookies[:user_name] = "Joe"
     get :delete_and_set_cookie
-    assert_cookie_header "user_name=david; path=/; expires=Mon, 10 Oct 2005 05:00:00 -0000; SameSite=Lax"
+    assert_cookie_header "user_name=david; path=/; expires=Mon, 10 Oct 2005 05:00:00 GMT; SameSite=Lax"
     assert_equal({ "user_name" => "david" }, @response.cookies)
   end
 
@@ -991,7 +991,7 @@ class CookiesTest < ActionController::TestCase
     request.cookies[:user_name] = "Joe"
     get :delete_cookie_with_domain
     assert_response :success
-    assert_cookie_header "user_name=; domain=.nextangle.com; path=/; max-age=0; expires=Thu, 01 Jan 1970 00:00:00 -0000; SameSite=Lax"
+    assert_cookie_header "user_name=; domain=.nextangle.com; path=/; max-age=0; expires=Thu, 01 Jan 1970 00:00:00 GMT; SameSite=Lax"
   end
 
   def test_cookie_with_all_domain_option_and_tld_length
@@ -1025,7 +1025,7 @@ class CookiesTest < ActionController::TestCase
     request.cookies[:user_name] = "Joe"
     get :delete_cookie_with_domain_and_tld
     assert_response :success
-    assert_cookie_header "user_name=; domain=.nextangle.com; path=/; max-age=0; expires=Thu, 01 Jan 1970 00:00:00 -0000; SameSite=Lax"
+    assert_cookie_header "user_name=; domain=.nextangle.com; path=/; max-age=0; expires=Thu, 01 Jan 1970 00:00:00 GMT; SameSite=Lax"
   end
 
   def test_cookie_with_several_preset_domains_using_one_of_these_domains
@@ -1054,7 +1054,7 @@ class CookiesTest < ActionController::TestCase
     request.cookies[:user_name] = "Joe"
     get :delete_cookie_with_domains
     assert_response :success
-    assert_cookie_header "user_name=; domain=example2.com; path=/; max-age=0; expires=Thu, 01 Jan 1970 00:00:00 -0000; SameSite=Lax"
+    assert_cookie_header "user_name=; domain=example2.com; path=/; max-age=0; expires=Thu, 01 Jan 1970 00:00:00 GMT; SameSite=Lax"
   end
 
   def test_deletings_cookie_with_several_preset_domains_using_other_domain
@@ -1062,7 +1062,7 @@ class CookiesTest < ActionController::TestCase
     request.cookies[:user_name] = "Joe"
     get :delete_cookie_with_domains
     assert_response :success
-    assert_cookie_header "user_name=; path=/; max-age=0; expires=Thu, 01 Jan 1970 00:00:00 -0000; SameSite=Lax"
+    assert_cookie_header "user_name=; path=/; max-age=0; expires=Thu, 01 Jan 1970 00:00:00 GMT; SameSite=Lax"
   end
 
   def test_cookies_hash_is_indifferent_access
@@ -1207,7 +1207,7 @@ class CookiesTest < ActionController::TestCase
   def test_vanilla_cookie_with_expires_set_relatively
     travel_to Time.utc(2017, 8, 15) do
       get :cookie_expires_in_two_hours
-      assert_cookie_header "user_name=assain; path=/; expires=Tue, 15 Aug 2017 02:00:00 -0000; SameSite=Lax"
+      assert_cookie_header "user_name=assain; path=/; expires=Tue, 15 Aug 2017 02:00:00 GMT; SameSite=Lax"
     end
   end
 

actionpack/test/dispatch/response_test.rb

@@ -238,7 +238,7 @@ class ResponseTest < ActiveSupport::TestCase
     @response.set_cookie("user_name", value: "david", path: "/")
     @response.set_cookie("login", value: "foo&bar", path: "/", expires: Time.utc(2005, 10, 10, 5))
     _status, headers, _body = @response.to_a
-    assert_equal "user_name=david; path=/\nlogin=foo%26bar; path=/; expires=Mon, 10 Oct 2005 05:00:00 -0000", headers["Set-Cookie"]
+    assert_equal "user_name=david; path=/\nlogin=foo%26bar; path=/; expires=Mon, 10 Oct 2005 05:00:00 GMT", headers["Set-Cookie"]
     assert_equal({ "login" => "foo&bar", "user_name" => "david" }, @response.cookies)
   end
 

actionpack/test/dispatch/session/cookie_store_test.rb

@@ -300,7 +300,7 @@ class CookieStoreTest < ActionDispatch::IntegrationTest
       time = Time.local(2008, 4, 24)
 
       Time.stub :now, time do
-        expected_expiry = (time + 5.hours).gmtime.strftime("%a, %d %b %Y %H:%M:%S -0000")
+        expected_expiry = (time + 5.hours).gmtime.strftime("%a, %d %b %Y %H:%M:%S GMT")
 
         get "/set_session_value"
 
@@ -311,7 +311,7 @@ class CookieStoreTest < ActionDispatch::IntegrationTest
       # Second request does not access the session
       time = time + 3.hours
       Time.stub :now, time do
-        expected_expiry = (time + 5.hours).gmtime.strftime("%a, %d %b %Y %H:%M:%S -0000")
+        expected_expiry = (time + 5.hours).gmtime.strftime("%a, %d %b %Y %H:%M:%S GMT")
 
         get "/no_session_access"
 
@@ -327,7 +327,7 @@ class CookieStoreTest < ActionDispatch::IntegrationTest
       time = Time.local(2017, 11, 12)
 
       Time.stub :now, time do
-        expected_expiry = (time + 5.hours).gmtime.strftime("%a, %d %b %Y %H:%M:%S -0000")
+        expected_expiry = (time + 5.hours).gmtime.strftime("%a, %d %b %Y %H:%M:%S GMT")
 
         get "/set_session_value"
         get "/get_session_value"