112 lines
4.5 KiB
Ruby
112 lines
4.5 KiB
Ruby
require "cases/helper"
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require 'models/default'
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require 'models/entrant'
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class DefaultTest < ActiveRecord::TestCase
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def test_nil_defaults_for_not_null_columns
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column_defaults =
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if current_adapter?(:MysqlAdapter) && (Mysql.client_version < 50051 || (50100..50122).include?(Mysql.client_version))
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{ 'id' => nil, 'name' => '', 'course_id' => nil }
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else
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{ 'id' => nil, 'name' => nil, 'course_id' => nil }
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end
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column_defaults.each do |name, default|
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column = Entrant.columns_hash[name]
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assert !column.null, "#{name} column should be NOT NULL"
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assert_equal default, column.default, "#{name} column should be DEFAULT #{default.inspect}"
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end
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end
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if current_adapter?(:PostgreSQLAdapter, :FirebirdAdapter, :OpenBaseAdapter, :OracleAdapter)
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def test_default_integers
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default = Default.new
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assert_instance_of Fixnum, default.positive_integer
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assert_equal 1, default.positive_integer
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assert_instance_of Fixnum, default.negative_integer
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assert_equal(-1, default.negative_integer)
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assert_instance_of BigDecimal, default.decimal_number
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assert_equal BigDecimal.new("2.78"), default.decimal_number
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end
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end
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if current_adapter?(:PostgreSQLAdapter)
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def test_multiline_default_text
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# older postgres versions represent the default with escapes ("\\012" for a newline)
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assert( "--- []\n\n" == Default.columns_hash['multiline_default'].default ||
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"--- []\\012\\012" == Default.columns_hash['multiline_default'].default)
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end
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end
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end
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if current_adapter?(:MysqlAdapter)
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class DefaultsTestWithoutTransactionalFixtures < ActiveRecord::TestCase
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# ActiveRecord::Base#create! (and #save and other related methods) will
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# open a new transaction. When in transactional fixtures mode, this will
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# cause ActiveRecord to create a new savepoint. However, since MySQL doesn't
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# support DDL transactions, creating a table will result in any created
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# savepoints to be automatically released. This in turn causes the savepoint
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# release code in AbstractAdapter#transaction to fail.
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#
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# We don't want that to happen, so we disable transactional fixtures here.
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self.use_transactional_fixtures = false
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# MySQL 5 and higher is quirky with not null text/blob columns.
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# With MySQL Text/blob columns cannot have defaults. If the column is not
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# null MySQL will report that the column has a null default
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# but it behaves as though the column had a default of ''
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def test_mysql_text_not_null_defaults
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klass = Class.new(ActiveRecord::Base)
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klass.table_name = 'test_mysql_text_not_null_defaults'
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klass.connection.create_table klass.table_name do |t|
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t.column :non_null_text, :text, :null => false
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t.column :non_null_blob, :blob, :null => false
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t.column :null_text, :text, :null => true
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t.column :null_blob, :blob, :null => true
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end
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assert_equal '', klass.columns_hash['non_null_blob'].default
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assert_equal '', klass.columns_hash['non_null_text'].default
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assert_equal nil, klass.columns_hash['null_blob'].default
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assert_equal nil, klass.columns_hash['null_text'].default
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assert_nothing_raised do
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instance = klass.create!
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assert_equal '', instance.non_null_text
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assert_equal '', instance.non_null_blob
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assert_nil instance.null_text
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assert_nil instance.null_blob
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end
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ensure
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klass.connection.drop_table(klass.table_name) rescue nil
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end
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# MySQL uses an implicit default 0 rather than NULL unless in strict mode.
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# We use an implicit NULL so schema.rb is compatible with other databases.
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def test_mysql_integer_not_null_defaults
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klass = Class.new(ActiveRecord::Base)
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klass.table_name = 'test_integer_not_null_default_zero'
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klass.connection.create_table klass.table_name do |t|
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t.column :zero, :integer, :null => false, :default => 0
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t.column :omit, :integer, :null => false
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end
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assert_equal 0, klass.columns_hash['zero'].default
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assert !klass.columns_hash['zero'].null
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# 0 in MySQL 4, nil in 5.
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assert [0, nil].include?(klass.columns_hash['omit'].default)
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assert !klass.columns_hash['omit'].null
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assert_raise(ActiveRecord::StatementInvalid) { klass.create! }
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assert_nothing_raised do
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instance = klass.create!(:omit => 1)
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assert_equal 0, instance.zero
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assert_equal 1, instance.omit
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end
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ensure
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klass.connection.drop_table(klass.table_name) rescue nil
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end
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end
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end
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