JezK
Edit File: adapter_test_sqlserver.rb
require "cases/helper" require 'models/default' require 'models/post' require 'models/task' class SqlServerAdapterTest < ActiveRecord::TestCase class TableWithRealColumn < ActiveRecord::Base; end fixtures :posts, :tasks def setup @connection = ActiveRecord::Base.connection end def teardown @connection.execute("SET LANGUAGE us_english") rescue nil end def test_real_column_has_float_type assert_equal :float, TableWithRealColumn.columns_hash["real_number"].type end # SQL Server 2000 has a bug where some unambiguous date formats are not # correctly identified if the session language is set to german def test_date_insertion_when_language_is_german @connection.execute("SET LANGUAGE deutsch") assert_nothing_raised do Task.create(:starting => Time.utc(2000, 1, 31, 5, 42, 0), :ending => Date.new(2006, 12, 31)) end end def test_indexes_with_descending_order # Make sure we have an index with descending order @connection.execute "CREATE INDEX idx_credit_limit ON accounts (credit_limit DESC)" rescue nil assert_equal ["credit_limit"], @connection.indexes('accounts').first.columns ensure @connection.execute "DROP INDEX accounts.idx_credit_limit" end def test_execute_without_block_closes_statement assert_all_statements_used_are_closed do @connection.execute("SELECT 1") end end def test_execute_with_block_closes_statement assert_all_statements_used_are_closed do @connection.execute("SELECT 1") do |sth| assert !sth.finished?, "Statement should still be alive within block" end end end def test_insert_with_identity_closes_statement assert_all_statements_used_are_closed do @connection.insert("INSERT INTO accounts ([id], [firm_id],[credit_limit]) values (999, 1, 50)") end end def test_insert_without_identity_closes_statement assert_all_statements_used_are_closed do @connection.insert("INSERT INTO accounts ([firm_id],[credit_limit]) values (1, 50)") end end def test_active_closes_statement assert_all_statements_used_are_closed do @connection.active? end end def assert_all_statements_used_are_closed(&block) existing_handles = [] ObjectSpace.each_object(DBI::StatementHandle) {|handle| existing_handles << handle} GC.disable yield used_handles = [] ObjectSpace.each_object(DBI::StatementHandle) {|handle| used_handles << handle unless existing_handles.include? handle} assert_block "No statements were used within given block" do used_handles.size > 0 end ObjectSpace.each_object(DBI::StatementHandle) do |handle| assert_block "Statement should have been closed within given block" do handle.finished? end end ensure GC.enable end end