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81 lines
2.9 KiB
Ruby
81 lines
2.9 KiB
Ruby
require "cases/helper"
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require "models/post"
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require "models/comment"
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require "models/project"
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require "models/developer"
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require "models/computer"
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require "models/company_in_module"
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class AssociationsExtensionsTest < ActiveRecord::TestCase
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fixtures :projects, :developers, :developers_projects, :comments, :posts
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def test_extension_on_has_many
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assert_equal comments(:more_greetings), posts(:welcome).comments.find_most_recent
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end
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def test_extension_on_habtm
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assert_equal projects(:action_controller), developers(:david).projects.find_most_recent
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end
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def test_named_extension_on_habtm
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assert_equal projects(:action_controller), developers(:david).projects_extended_by_name.find_most_recent
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end
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def test_named_two_extensions_on_habtm
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assert_equal projects(:action_controller), developers(:david).projects_extended_by_name_twice.find_most_recent
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assert_equal projects(:active_record), developers(:david).projects_extended_by_name_twice.find_least_recent
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end
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def test_named_extension_and_block_on_habtm
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assert_equal projects(:action_controller), developers(:david).projects_extended_by_name_and_block.find_most_recent
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assert_equal projects(:active_record), developers(:david).projects_extended_by_name_and_block.find_least_recent
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end
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def test_extension_with_scopes
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assert_equal comments(:greetings), posts(:welcome).comments.offset(1).find_most_recent
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assert_equal comments(:greetings), posts(:welcome).comments.not_again.find_most_recent
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end
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def test_marshalling_extensions
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david = developers(:david)
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assert_equal projects(:action_controller), david.projects.find_most_recent
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marshalled = Marshal.dump(david)
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# Marshaling an association shouldn't make it unusable by wiping its reflection.
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assert_not_nil david.association(:projects).reflection
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david_too = Marshal.load(marshalled)
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assert_equal projects(:action_controller), david_too.projects.find_most_recent
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end
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def test_marshalling_named_extensions
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david = developers(:david)
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assert_equal projects(:action_controller), david.projects_extended_by_name.find_most_recent
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marshalled = Marshal.dump(david)
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david = Marshal.load(marshalled)
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assert_equal projects(:action_controller), david.projects_extended_by_name.find_most_recent
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end
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def test_extension_name
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extend!(Developer)
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extend!(MyApplication::Business::Developer)
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assert Object.const_get "DeveloperAssociationNameAssociationExtension"
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assert MyApplication::Business.const_get "DeveloperAssociationNameAssociationExtension"
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end
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def test_proxy_association_after_scoped
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post = posts(:welcome)
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assert_equal post.association(:comments), post.comments.the_association
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assert_equal post.association(:comments), post.comments.where("1=1").the_association
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end
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private
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def extend!(model)
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ActiveRecord::Associations::Builder::HasMany.define_extensions(model, :association_name) {}
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end
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end
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