114 lines
2.7 KiB
Ruby
114 lines
2.7 KiB
Ruby
require "cases/helper"
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require "models/book"
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module ViewBehavior
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extend ActiveSupport::Concern
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included do
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fixtures :books
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end
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class Ebook < ActiveRecord::Base
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self.primary_key = "id"
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end
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def setup
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super
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@connection = ActiveRecord::Base.connection
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create_view "ebooks", <<-SQL
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SELECT id, name, status FROM books WHERE format = 'ebook'
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SQL
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end
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def teardown
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super
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drop_view "ebooks"
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end
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def test_reading
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books = Ebook.all
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assert_equal [books(:rfr).id], books.map(&:id)
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assert_equal ["Ruby for Rails"], books.map(&:name)
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end
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def test_table_exists
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view_name = Ebook.table_name
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assert @connection.table_exists?(view_name), "'#{view_name}' table should exist"
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end
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def test_column_definitions
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assert_equal([["id", :integer],
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["name", :string],
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["status", :integer]], Ebook.columns.map { |c| [c.name, c.type] })
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end
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def test_attributes
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assert_equal({"id" => 2, "name" => "Ruby for Rails", "status" => 0},
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Ebook.first.attributes)
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end
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def test_does_not_assume_id_column_as_primary_key
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model = Class.new(ActiveRecord::Base) do
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self.table_name = "ebooks"
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end
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assert_nil model.primary_key
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end
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end
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if ActiveRecord::Base.connection.supports_views?
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class ViewWithPrimaryKeyTest < ActiveRecord::TestCase
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include ViewBehavior
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private
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def create_view(name, query)
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@connection.execute "CREATE VIEW #{name} AS #{query}"
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end
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def drop_view(name)
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@connection.execute "DROP VIEW #{name}" if @connection.table_exists? name
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end
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end
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class ViewWithoutPrimaryKeyTest < ActiveRecord::TestCase
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fixtures :books
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class Paperback < ActiveRecord::Base; end
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setup do
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@connection = ActiveRecord::Base.connection
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@connection.execute <<-SQL
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CREATE VIEW paperbacks
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AS SELECT name, status FROM books WHERE format = 'paperback'
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SQL
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end
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teardown do
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@connection.execute "DROP VIEW paperbacks" if @connection.table_exists? "paperbacks"
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end
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def test_reading
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books = Paperback.all
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assert_equal ["Agile Web Development with Rails"], books.map(&:name)
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end
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def test_table_exists
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view_name = Paperback.table_name
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assert @connection.table_exists?(view_name), "'#{view_name}' table should exist"
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end
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def test_column_definitions
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assert_equal([["name", :string],
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["status", :integer]], Paperback.columns.map { |c| [c.name, c.type] })
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end
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def test_attributes
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assert_equal({"name" => "Agile Web Development with Rails", "status" => 0},
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Paperback.first.attributes)
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end
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def test_does_not_have_a_primary_key
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assert_nil Paperback.primary_key
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end
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end
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end
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