Move tests to cases

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@8660 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

1 files changed, 146 insertions, 0 deletions

diff --git a/activerecord/test/cases/attribute_methods_test.rb b/activerecord/test/cases/attribute_methods_test.rb
new file mode 100755
index 0000000000..4a09a4d63e
--- /dev/null
+++ b/activerecord/test/cases/attribute_methods_test.rb
@@ -0,0 +1,146 @@
+require 'abstract_unit'
+require 'fixtures/topic'
+
+class AttributeMethodsTest < ActiveSupport::TestCase
+  fixtures :topics
+  def setup
+    @old_suffixes = ActiveRecord::Base.send(:attribute_method_suffixes).dup
+    @target = Class.new(ActiveRecord::Base)
+    @target.table_name = 'topics'
+  end
+
+  def teardown
+    ActiveRecord::Base.send(:attribute_method_suffixes).clear
+    ActiveRecord::Base.attribute_method_suffix *@old_suffixes
+  end
+
+
+  def test_match_attribute_method_query_returns_match_data
+    assert_not_nil md = @target.match_attribute_method?('title=')
+    assert_equal 'title', md.pre_match
+    assert_equal ['='], md.captures
+
+    %w(_hello_world ist! _maybe?).each do |suffix|
+      @target.class_eval "def attribute#{suffix}(*args) args end"
+      @target.attribute_method_suffix suffix
+
+      assert_not_nil md = @target.match_attribute_method?("title#{suffix}")
+      assert_equal 'title', md.pre_match
+      assert_equal [suffix], md.captures
+    end
+  end
+
+  def test_declared_attribute_method_affects_respond_to_and_method_missing
+    topic = @target.new(:title => 'Budget')
+    assert topic.respond_to?('title')
+    assert_equal 'Budget', topic.title
+    assert !topic.respond_to?('title_hello_world')
+    assert_raise(NoMethodError) { topic.title_hello_world }
+
+    %w(_hello_world _it! _candidate= able?).each do |suffix|
+      @target.class_eval "def attribute#{suffix}(*args) args end"
+      @target.attribute_method_suffix suffix
+
+      meth = "title#{suffix}"
+      assert topic.respond_to?(meth)
+      assert_equal ['title'], topic.send(meth)
+      assert_equal ['title', 'a'], topic.send(meth, 'a')
+      assert_equal ['title', 1, 2, 3], topic.send(meth, 1, 2, 3)
+    end
+  end
+
+  def test_should_unserialize_attributes_for_frozen_records
+    myobj = {:value1 => :value2}
+    topic = Topic.create("content" => myobj)
+    topic.freeze
+    assert_equal myobj, topic.content
+  end
+
+  def test_kernel_methods_not_implemented_in_activerecord
+    %w(test name display y).each do |method|
+      assert_equal false, ActiveRecord::Base.instance_method_already_implemented?(method), "##{method} is defined"
+    end
+  end
+
+  def test_primary_key_implemented
+    assert_equal true, Class.new(ActiveRecord::Base).instance_method_already_implemented?('id')
+  end
+
+  def test_defined_kernel_methods_implemented_in_model
+    %w(test name display y).each do |method|
+      klass = Class.new ActiveRecord::Base
+      klass.class_eval "def #{method}() 'defined #{method}' end"
+      assert_equal true, klass.instance_method_already_implemented?(method), "##{method} is not defined"
+    end
+  end
+
+  def test_defined_kernel_methods_implemented_in_model_abstract_subclass
+    %w(test name display y).each do |method|
+      abstract = Class.new ActiveRecord::Base
+      abstract.class_eval "def #{method}() 'defined #{method}' end"
+      abstract.abstract_class = true
+      klass = Class.new abstract
+      assert_equal true, klass.instance_method_already_implemented?(method), "##{method} is not defined"
+    end
+  end
+
+  def test_raises_dangerous_attribute_error_when_defining_activerecord_method_in_model
+    %w(save create_or_update).each do |method|
+      klass = Class.new ActiveRecord::Base
+      klass.class_eval "def #{method}() 'defined #{method}' end"
+      assert_raises ActiveRecord::DangerousAttributeError do
+        klass.instance_method_already_implemented?(method)
+      end
+    end
+  end
+
+  def test_only_time_related_columns_are_meant_to_be_cached_by_default
+    expected = %w(datetime timestamp time date).sort
+    assert_equal expected, ActiveRecord::Base.attribute_types_cached_by_default.map(&:to_s).sort
+end
+
+  def test_declaring_attributes_as_cached_adds_them_to_the_attributes_cached_by_default
+    default_attributes = Topic.cached_attributes
+    Topic.cache_attributes :replies_count
+    expected = default_attributes + ["replies_count"]
+    assert_equal expected.sort, Topic.cached_attributes.sort
+    Topic.instance_variable_set "@cached_attributes", nil
+  end
+
+  def test_time_related_columns_are_actually_cached
+    column_types = %w(datetime timestamp time date).map(&:to_sym)
+    column_names = Topic.columns.select{|c| column_types.include?(c.type) }.map(&:name)
+
+    assert_equal column_names.sort, Topic.cached_attributes.sort
+    assert_equal time_related_columns_on_topic.sort, Topic.cached_attributes.sort
+  end
+
+  def test_accessing_cached_attributes_caches_the_converted_values_and_nothing_else
+    t = topics(:first)
+    cache = t.instance_variable_get "@attributes_cache"
+
+    assert_not_nil cache
+    assert cache.empty?
+
+    all_columns = Topic.columns.map(&:name)
+    cached_columns = time_related_columns_on_topic
+    uncached_columns =  all_columns - cached_columns
+
+    all_columns.each do |attr_name|
+      attribute_gets_cached = Topic.cache_attribute?(attr_name)
+      val = t.send attr_name unless attr_name == "type"
+      if attribute_gets_cached
+        assert cached_columns.include?(attr_name)
+        assert_equal val, cache[attr_name]
+      else
+        assert uncached_columns.include?(attr_name)
+        assert !cache.include?(attr_name)
+      end
+    end
+  end
+
+  private
+  def time_related_columns_on_topic
+    Topic.columns.select{|c| [:time, :date, :datetime, :timestamp].include?(c.type)}.map(&:name)
+  end
+end