1 files changed, 138 insertions, 0 deletions
diff --git a/activerecord/test/cases/integration_test.rb b/activerecord/test/cases/integration_test.rb
new file mode 100644
index 0000000000..2e71b1a40d
--- /dev/null
+++ b/activerecord/test/cases/integration_test.rb
@@ -0,0 +1,138 @@
+# encoding: utf-8
+
+require 'cases/helper'
+require 'models/company'
+require 'models/developer'
+require 'models/car'
+require 'models/bulb'
+require 'models/owner'
+
+class IntegrationTest < ActiveRecord::TestCase
+  fixtures :companies, :developers, :owners
+
+  def test_to_param_should_return_string
+    assert_kind_of String, Client.first.to_param
+  end
+
+  def test_to_param_returns_nil_if_not_persisted
+    client = Client.new
+    assert_equal nil, client.to_param
+  end
+
+  def test_to_param_returns_id_if_not_persisted_but_id_is_set
+    client = Client.new
+    client.id = 1
+    assert_equal '1', client.to_param
+  end
+
+  def test_to_param_class_method
+    firm = Firm.find(4)
+    assert_equal '4-flamboyant-software', firm.to_param
+  end
+
+  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_multibyte_character
+    firm = Firm.find(4)
+    firm.name = "戦場ヶ原 ひたぎ"
+    assert_equal '4', 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
+
+  def test_to_param_class_method_uses_default_if_not_persisted
+    firm = Firm.new(name: 'Fancy Shirts')
+    assert_equal nil, firm.to_param
+  end
+
+  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
+    dev = Developer.first
+    assert_equal "developers/#{dev.id}-#{dev.updated_at.utc.to_s(:nsec)}", dev.cache_key
+  end
+
+  def test_cache_key_format_for_existing_record_with_updated_at_and_custom_cache_timestamp_format
+    dev = CachedDeveloper.first
+    assert_equal "cached_developers/#{dev.id}-#{dev.updated_at.utc.to_s(:number)}", dev.cache_key
+  end
+
+  def test_cache_key_changes_when_child_touched
+    car = Car.create
+    Bulb.create(car: car)
+
+    key = car.cache_key
+    car.bulb.touch
+    car.reload
+    assert_not_equal key, car.cache_key
+  end
+
+  def test_cache_key_format_for_existing_record_with_nil_updated_timestamps
+    dev = Developer.first
+    dev.update_columns(updated_at: nil, updated_on: nil)
+    assert_match(/\/#{dev.id}$/, dev.cache_key)
+  end
+
+  def test_cache_key_for_updated_on
+    dev = Developer.first
+    dev.updated_at = nil
+    assert_equal "developers/#{dev.id}-#{dev.updated_on.utc.to_s(:nsec)}", dev.cache_key
+  end
+
+  def test_cache_key_for_newer_updated_at
+    dev = Developer.first
+    dev.updated_at += 3600
+    assert_equal "developers/#{dev.id}-#{dev.updated_at.utc.to_s(:nsec)}", dev.cache_key
+  end
+
+  def test_cache_key_for_newer_updated_on
+    dev = Developer.first
+    dev.updated_on += 3600
+    assert_equal "developers/#{dev.id}-#{dev.updated_on.utc.to_s(:nsec)}", dev.cache_key
+  end
+
+  def test_cache_key_format_is_precise_enough
+    dev = Developer.first
+    key = dev.cache_key
+    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