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git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@1402 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
72 lines
2.6 KiB
Ruby
72 lines
2.6 KiB
Ruby
require 'abstract_unit'
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require 'fixtures/post'
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require 'fixtures/comment'
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require 'fixtures/author'
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require 'fixtures/category'
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require 'fixtures/company'
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class EagerAssociationTest < Test::Unit::TestCase
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fixtures :posts, :comments, :authors, :categories, :categories_posts,
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:companies, :accounts
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def test_loading_with_one_association
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posts = Post.find(:all, :include => :comments)
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assert_equal 2, posts.first.comments.size
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assert posts.first.comments.include?(comments(:greetings))
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post = Post.find(:first, :include => :comments, :conditions => "posts.title = 'Welcome to the weblog'")
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assert_equal 2, post.comments.size
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assert post.comments.include?(comments(:greetings))
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end
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def test_with_ordering
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posts = Post.find(:all, :include => :comments, :order => "posts.id DESC")
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assert_equal posts(:authorless), posts[0]
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assert_equal posts(:thinking), posts[1]
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assert_equal posts(:welcome), posts[2]
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end
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def test_loading_with_multiple_associations
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posts = Post.find(:all, :include => [ :comments, :author, :categories ], :order => "posts.id")
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assert_equal 2, posts.first.comments.size
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assert_equal 2, posts.first.categories.size
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assert posts.first.comments.include?(comments(:greetings))
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end
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def test_loading_from_an_association
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posts = authors(:david).posts.find(:all, :include => :comments, :order => "posts.id")
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assert_equal 2, posts.first.comments.size
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end
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def test_loading_with_no_associations
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assert_nil Post.find(posts(:authorless).id, :include => :author).author
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end
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def test_eager_association_loading_with_belongs_to
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comments = Comment.find(:all, :include => :post)
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titles = comments.map { |c| c.post.title }
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assert titles.include?(posts(:welcome).title)
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assert titles.include?(posts(:thinking).title)
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end
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def test_eager_association_loading_with_habtm
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posts = Post.find(:all, :include => :categories, :order => "posts.id")
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assert_equal 2, posts[0].categories.size
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assert_equal 1, posts[1].categories.size
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assert_equal 0, posts[2].categories.size
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assert posts[0].categories.include?(categories(:technology))
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assert posts[1].categories.include?(categories(:general))
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end
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def test_eager_with_inheritance
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posts = SpecialPost.find(:all, :include => [ :comments ])
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end
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def test_eager_with_has_one_dependent_does_not_destroy_dependent
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assert_not_nil companies(:first_firm).account
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f = Firm.find(:first, :include => :account,
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:conditions => ["companies.name = ?", "37signals"])
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assert_not_nil companies(:first_firm, :reload).account
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end
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end
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