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rails--rails/activerecord/test/binary_test.rb

54 lines
1.7 KiB
Ruby

require 'abstract_unit'
require 'fixtures/binary'
class BinaryTest < Test::Unit::TestCase
def setup
@data = create_data_fixture
end
def test_load_save
# Without using prepared statements, it makes no sense to test
# BLOB data with SQL Server, because the length of a statement is
# limited to 8KB.
if ActiveRecord::ConnectionAdapters.const_defined? :SQLServerAdapter
return true if ActiveRecord::Base.connection.instance_of?(ActiveRecord::ConnectionAdapters::SQLServerAdapter)
end
# Without using prepared statements, it makes no sense to test
# BLOB data with DB2, because the length of a statement is
# limited to 32KB.
if ActiveRecord::ConnectionAdapters.const_defined? :DB2Adapter
return true if ActiveRecord::Base.connection.instance_of?(ActiveRecord::ConnectionAdapters::DB2Adapter)
end
if ActiveRecord::ConnectionAdapters.const_defined? :OracleAdapter
return true if ActiveRecord::Base.connection.instance_of?(ActiveRecord::ConnectionAdapters::OracleAdapter)
end
bin = Binary.new
bin.data = @data
assert bin.data == @data,
"Assigned data differs from file data"
bin.save
assert bin.data == @data,
"Assigned data differs from file data after save"
db_bin = Binary.find(bin.id)
assert db_bin.data == bin.data,
"Loaded binary data differs from memory version"
assert db_bin.data == File.new(File.dirname(__FILE__)+"/fixtures/associations.png","rb").read,
"Loaded binary data differs from file version"
end
private
def create_data_fixture
Binary.connection.execute("DELETE FROM binaries")
File.new(File.dirname(__FILE__)+"/fixtures/associations.png","rb").read
end
end