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copied!<p>Here'a how to get association metadata.</p> <p>Mongoid::Relations::Reflections#reflect_on_all_associations - see <a href="http://rdoc.info/github/mongoid/mongoid/Mongoid/Relations/Reflections" rel="nofollow">http://rdoc.info/github/mongoid/mongoid/Mongoid/Relations/Reflections</a></p> <p>Note that if you want to supply more than one macro as an argument to reflect_on_all_associations as currently written, the macros have to be args. If you want to supply an array, it has to be splatted, e.g. *macros, as in the following test.</p> <p>The following is for "the old API," so you should use the above instead.</p> <p>Mongoid::Relations::ClassMethods::associations - see <a href="http://rdoc.info/github/mongoid/mongoid/Mongoid/Relations/ClassMethods:associations" rel="nofollow">http://rdoc.info/github/mongoid/mongoid/Mongoid/Relations/ClassMethods:associations</a></p> <p>test/unit/cali_test.rb</p> <pre><code>require 'test_helper' class CaliTest < ActiveSupport::TestCase def setup Cali.delete_all end test "mongoid fields" do address = Address.new(state: 'NJ', city: 'New Providence') cali = Cali.create(address: address) assert_equal(1, Cali.count) macros = [:has_one, :has_many, :belongs_to, :has_and_belongs_to_many, :embeds_one, :embeds_many, :embedded_in] puts "Cali.reflect_on_all_associations(*macros):#{Cali.reflect_on_all_associations(*macros).inspect}" puts "Address.reflect_on_all_associations(*macros):#{Address.reflect_on_all_associations(*macros).inspect}" #puts "Old API - Cali.associations:#{Cali.associations}" #puts "Old API - Address.associations:#{Address.associations}" end end </code></pre> <p>test output</p> <pre><code>Run options: --name=test_mongoid_fields # Running tests: Cali.reflect_on_all_associations(*macros):[#<Mongoid::Relations::Metadata class_name: Address, cyclic: No, dependent: None, inverse_of: N/A, key: address, macro: embeds_one, name: address, order: nil, polymorphic: No, relation: Mongoid::Relations::Embedded::One, setter: address=, versioned: No> ] Address.reflect_on_all_associations(*macros):[#<Mongoid::Relations::Metadata class_name: Cali, cyclic: No, dependent: None, inverse_of: address, key: cali, macro: embedded_in, name: cali, order: nil, polymorphic: No, relation: Mongoid::Relations::Embedded::In, setter: cali=, versioned: No> ] . Finished tests in 0.008605s, 116.2115 tests/s, 116.2115 assertions/s. 1 tests, 1 assertions, 0 failures, 0 errors, 0 skips </code></pre>

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