require File.dirname(__FILE__) + '/../test_helper'

class EnumerateByTest < ActiveRecord::TestCase
  def test_should_raise_exception_if_invalid_option_specified
    assert_raise(ArgumentError) { Color.enumerate_by(:id, :invalid => true) }
  end
end

class ModelWithoutEnumerationTest < ActiveRecord::TestCase
  def test_should_not_be_an_enumeration
    assert !Car.enumeration?
  end
  
  def test_should_be_able_to_bootstrap
    Car.class_eval do
      extend EnumerateBy::Bootstrapped
    end
    
    Car.bootstrap(
      {:id => 1, :name => 'Ford Mustang'},
      {:id => 2, :name => 'Ford Explorer'}
    )
    
    assert_equal 2, Car.count
  end
end

class EnumerationByDefaultTest < ActiveRecord::TestCase
  def setup
    @color = Color.new
  end
  
  def test_should_not_have_an_id
    assert @color.id.blank?
  end
  
  def test_should_not_have_a_name
    assert @color.name.blank?
  end
  
  def test_should_not_have_an_enumerator
    assert @color.enumerator.blank?
  end
  
  def test_should_have_empty_stringify
    assert_equal '', @color.to_s
  end
end

class EnumerationTest < ActiveRecord::TestCase
  def test_should_be_an_enumeration
    assert Color.enumeration?
  end
  
  def test_should_have_an_enumerator_attribute
    assert_equal :name, Color.enumerator_attribute
  end
  
  def test_should_perform_caching
    assert Color.perform_enumerator_caching
  end
  
  def test_should_have_a_cache_store
    assert_instance_of ActiveSupport::Cache::MemoryStore, Color.enumerator_cache_store
  end
  
  def test_should_require_a_name
    color = new_color(:name => nil)
    assert !color.valid?
    assert color.errors.invalid?(:name)
  end
  
  def test_should_require_a_unique_name
    color = create_color(:name => 'red')
    
    second_color = new_color(:name => 'red')
    assert !second_color.valid?
    assert second_color.errors.invalid?(:name)
  end
end

class EnumerationWithRecordsTest < ActiveRecord::TestCase
  def setup
    @red = create_color(:name => 'red')
    @green = create_color(:name => 'green')
  end
  
  def test_should_index_by_enumerator
    assert_equal @red, Color['red']
  end
  
  def test_should_allow_finding_by_enumerator
    assert_equal @red, Color.find_by_enumerator('red')
  end
  
  def test_should_allow_finding_by_enumerator_with_nil
    assert_nil Color.find_by_enumerator(nil)
  end
  
  def test_should_find_nothing_if_finding_by_unknown_enumerator
    assert_nil Color.find_by_enumerator('invalid')
  end
  
  def test_should_raise_exception_for_invalid_index
    assert_raise(ActiveRecord::RecordNotFound) {Color['white']}
  end
  
  def test_should_allow_finding_all_by_enumerator
    assert_equal [@red, @green], Color.find_all_by_enumerator(['red', 'green'])
  end
  
  def test_should_allow_finding_all_by_enumerator_with_nil
    assert_equal [], Color.find_all_by_enumerator(nil)
  end
  
  def test_should_find_nothing_if_finding_all_by_unknown_enumerator
    assert_equal [], Color.find_all_by_enumerator('invalid')
  end
  
  def test_should_raise_exception_find_finding_all_by_unknown_enumerator!
    assert_raise(ActiveRecord::RecordNotFound) { Color.find_all_by_enumerator!('invalid') }
  end
  
  def test_should_raise_exception_if_only_some_found_when_finding_all_by_enumerator!
    assert_raise(ActiveRecord::RecordNotFound) { Color.find_all_by_enumerator!(['red', 'invalid']) }
  end
end

class EnumerationAfterBeingCreatedTest < ActiveRecord::TestCase
  def setup
    @red = create_color(:name => 'red')
    @green = create_color(:name => 'green')
    @blue = create_color(:name => 'blue')
  end
  
  def test_should_have_an_enumerator
    assert_equal 'red', @red.enumerator
  end
  
  def test_should_allow_equality_with_enumerator
    assert @red == 'red'
  end
  
  def test_should_allow_equality_with_record
    assert @red == @red
  end
  
  def test_should_allow_equality_with_strings
    assert 'red' == @red
  end
  
  def test_should_raise_exception_on_quality_with_invalid_enumerator
    assert_raise(ActiveRecord::RecordNotFound) {@red == 'invalid'}
  end
  
  def test_should_be_found_in_a_list_of_valid_names
    assert @red.in?('red')
  end
  
  def test_should_not_be_found_in_a_list_of_invalid_names
    assert !@red.in?('blue', 'green')
  end
  
  def test_should_stringify_enumerator
    assert_equal 'red', @red.to_s
    assert_equal 'red', @red.to_str
  end
end

class EnumerationWithCachingTest < ActiveRecord::TestCase
  def setup
    @red = create_color(:name => 'red')
    
    EnumerateBy.perform_caching = true
  end
  
  def test_should_perform_enumerator_caching
    assert Color.perform_enumerator_caching
  end
  
  def test_should_cache_all_finder_queries
   assert_queries(1) { Color.find(@red.id) }
   assert_queries(0) { Color.find(@red.id) }
   
   assert_queries(1) { Color.all }
   assert_queries(0) { Color.all }
  end
  
  def test_should_cache_exist_queries
    assert_queries(1) { Color.exists?(:name => 'red') }
    assert_queries(0) { Color.exists?(:name => 'red') }
  end
  
  def test_should_cache_calculate_queries
    assert_queries(1) { Color.minimum('id') }
    assert_queries(0) { Color.minimum('id') }
  end
  
  def test_should_skip_cache_when_in_uncached_block
    Color.uncached do
     assert_queries(1) { Color.find(@red.id) }
     assert_queries(1) { Color.find(@red.id) }
    end
  end
  
  def teardown
    EnumerateBy.perform_caching = false
  end
end

class EnumerationWithoutCachingTest < ActiveRecord::TestCase
  def setup
    @red = create_color(:name => 'red')
    
    EnumerateBy.perform_caching = true
    @original_perform_caching = Color.perform_enumerator_caching
    Color.perform_enumerator_caching = false
  end
  
  def test_should_not_cache_finder_queries
   assert_queries(1) { Color.find(@red.id) }
   assert_queries(1) { Color.find(@red.id) }
   
   assert_queries(1) { Color.all }
   assert_queries(1) { Color.all }
  end
  
  def test_should_not_cache_exist_queries
    assert_queries(1) { Color.exists?(:name => 'red') }
    assert_queries(1) { Color.exists?(:name => 'red') }
  end
  
  def test_should_not_cache_calculate_queries
    assert_queries(1) { Color.minimum('id') }
    assert_queries(1) { Color.minimum('id') }
  end
  
  def teardown
    EnumerateBy.perform_caching = false
    Color.perform_enumerator_caching = @original_perform_caching
  end
end

class EnumerationBootstrappedTest < ActiveRecord::TestCase
  def setup
    @red, @green = Color.bootstrap(
      {:id => 1, :name => 'red'},
      {:id => 2, :name => 'green'}
    )
  end
  
  def test_should_not_raise_exception_if_id_not_specified
    assert_nothing_raised { Color.bootstrap({:name => 'red'}, {:name => 'green'}) }
    assert_equal 2, Color.count
  end
  
  def test_should_raise_exception_if_validation_fails
    assert_raise(ActiveRecord::RecordInvalid) { Color.bootstrap({:id => 1, :name => nil}, {:id => 2, :name => 'green'}) }
  end
  
  def test_should_flatten_bootstrap_records
    Color.bootstrap(
      [{:id => 1, :name => 'red'}],
      [{:id => 2, :name => 'green'}]
    )
    assert_equal 2, Color.count
  end
  
  def test_should_create_records
    assert_equal @red, Color.find(1)
    assert_equal 'red', @red.name
    
    assert_equal @green, Color.find(2)
    assert_equal 'green', @green.name
  end
end

class EnumerationBootstrappedWithExistingRecordsTest < ActiveRecord::TestCase
  def setup
    @red = create_color(:name => 'RED')
    @green = create_color(:name => 'GREEN')
  
    Color.bootstrap(
      {:id => @red.id, :name => 'red'},
      {:id => @green.id, :name => 'green'}
    )
    
    @red.reload
    @green.reload
  end
  
  def test_should_synchronize_all_attributes
    assert_equal 'red', @red.name
    assert_equal 'green', @green.name
  end
end

class EnumerationBootstrappedWithDefaultsTest < ActiveRecord::TestCase
  def setup
    @red = create_color(:name => 'RED', :html => '#f00')
    @green = create_color(:name => 'GREEN')
  
    Color.bootstrap(
      {:id => @red.id, :name => 'red', :defaults => {:html => '#ff0000'}},
      {:id => @green.id, :name => 'green', :defaults => {:html => '#00ff00'}}
    )
    
    @red.reload
    @green.reload
  end
  
  def test_should_update_all_non_default_attributes
    assert_equal 'red', @red.name
    assert_equal 'green', @green.name
  end
  
  def test_should_not_update_default_attributes_if_defined
    assert_equal '#f00', @red.html
  end
  
  def test_should_update_default_attributes_if_not_defined
    assert_equal '#00ff00', @green.html
  end
end

class EnumerationFastBootstrappedTest < ActiveRecord::TestCase
  def setup
    @result = Color.fast_bootstrap(
      {:id => 1, :name => 'red'},
      {:id => 2, :name => 'green'}
    )
  end
  
  def test_should_not_raise_exception_if_id_not_specified
    assert_nothing_raised { Color.fast_bootstrap({:name => 'red'}, {:name => 'green'}) }
    assert_equal 2, Color.count
  end
  
  def test_should_raise_exception_if_query_fails
    assert_raise(ActiveRecord::StatementInvalid) { Color.fast_bootstrap({:id => 1, :name => nil}, {:id => 2, :name => 'green'}) }
  end
  
  def test_should_flatten_bootstrap_records
    Color.bootstrap(
      [{:id => 1, :name => 'red'}],
      [{:id => 2, :name => 'green'}]
    )
    assert_equal 2, Color.count
  end
  
  def test_should_create_records
    assert @result
    assert_not_nil Color.find_by_name('red')
    assert_not_nil Color.find_by_name('green')
  end
end

class EnumeratioFastBootstrappedWithExistingRecordsTest < ActiveRecord::TestCase
  def setup
    @red = create_color(:name => 'RED')
    @green = create_color(:name => 'GREEN')
  
    Color.fast_bootstrap(
      {:id => @red.id, :name => 'red'},
      {:id => @green.id, :name => 'green'}
    )
    
    @red.reload
    @green.reload
  end
  
  def test_should_synchronize_all_attributes
    assert_equal 'red', @red.name
    assert_equal 'green', @green.name
  end
end

class EnumerationFastBootstrappedWithDefaultsTest < ActiveRecord::TestCase
  def setup
    @red = create_color(:name => 'RED', :html => '#f00')
    @green = create_color(:name => 'GREEN')
  
    Color.fast_bootstrap(
      {:id => @red.id, :name => 'red', :defaults => {:html => '#ff0000'}},
      {:id => @green.id, :name => 'green', :defaults => {:html => '#00ff00'}}
    )
    
    @red.reload
    @green.reload
  end
  
  def test_should_update_all_non_default_attributes
    assert_equal 'red', @red.name
    assert_equal 'green', @green.name
  end
  
  def test_should_not_update_default_attributes_if_defined
    assert_equal '#f00', @red.html
  end
  
  def test_should_update_default_attributes_if_not_defined
    assert_equal '#00ff00', @green.html
  end
end