1 files changed, 51 insertions, 10 deletions
diff --git a/activerecord/test/cases/integration_test.rb b/activerecord/test/cases/integration_test.rb
index f5daca2fa8..07ffcef875 100644
--- a/activerecord/test/cases/integration_test.rb
+++ b/activerecord/test/cases/integration_test.rb
@@ -3,9 +3,10 @@ require 'models/company'
 require 'models/developer'
 require 'models/car'
 require 'models/bulb'
+require 'models/owner'
 
 class IntegrationTest < ActiveRecord::TestCase
-  fixtures :companies, :developers
+  fixtures :companies, :developers, :owners
 
   def test_to_param_should_return_string
     assert_kind_of String, Client.first.to_param
@@ -22,18 +23,53 @@ class IntegrationTest < ActiveRecord::TestCase
     assert_equal '1', client.to_param
   end
 
-  def test_cache_key_for_existing_record_is_not_timezone_dependent
-    ActiveRecord::Base.time_zone_aware_attributes = true
+  def test_to_param_class_method
+    firm = Firm.find(4)
+    assert_equal '4-flamboyant-software', firm.to_param
+  end
 
-    Time.zone = 'UTC'
-    utc_key = Developer.first.cache_key
+  def test_to_param_class_method_truncates
+    firm = Firm.find(4)
+    firm.name = 'a ' * 100
+    assert_equal '4-a-a-a-a-a-a-a-a-a', firm.to_param
+  end
+
+  def test_to_param_class_method_truncates_edge_case
+    firm = Firm.find(4)
+    firm.name = 'David HeinemeierHansson'
+    assert_equal '4-david', firm.to_param
+  end
+
+  def test_to_param_class_method_squishes
+    firm = Firm.find(4)
+    firm.name = "ab \n" * 100
+    assert_equal '4-ab-ab-ab-ab-ab-ab', firm.to_param
+  end
+
+  def test_to_param_class_method_uses_default_if_blank
+    firm = Firm.find(4)
+    firm.name = nil
+    assert_equal '4', firm.to_param
+    firm.name = ' '
+    assert_equal '4', firm.to_param
+  end
 
-    Time.zone = 'EST'
-    est_key = Developer.first.cache_key
+  def test_to_param_class_method_uses_default_if_not_persisted
+    firm = Firm.new(name: 'Fancy Shirts')
+    assert_equal nil, firm.to_param
+  end
 
-    assert_equal utc_key, est_key
-  ensure
-    Time.zone = 'UTC'
+  def test_to_param_with_no_arguments
+    assert_equal 'Firm', Firm.to_param
+  end
+
+  def test_cache_key_for_existing_record_is_not_timezone_dependent
+    utc_key = Developer.first.cache_key
+
+    with_timezone_config zone: "EST" do
+      est_key = Developer.first.cache_key
+      assert_equal utc_key, est_key
+    end
   end
 
   def test_cache_key_format_for_existing_record_with_updated_at
@@ -86,4 +122,9 @@ class IntegrationTest < ActiveRecord::TestCase
     dev.touch
     assert_not_equal key, dev.cache_key
   end
+
+  def test_named_timestamps_for_cache_key
+    owner = owners(:blackbeard)
+    assert_equal "owners/#{owner.id}-#{owner.happy_at.utc.to_s(:nsec)}", owner.cache_key(:updated_at, :happy_at)
+  end
 end