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- require "cases/helper"
- require 'models/default'
- require 'models/entrant'
- class DefaultTest < ActiveRecord::TestCase
- def test_nil_defaults_for_not_null_columns
- puts "Mysql VERSION #{Mysql.client_version}"
- # raise
- column_defaults =
- if current_adapter?(:MysqlAdapter) && (Mysql.client_version < 50051 || (50100..50122).include?(Mysql.client_version))
- { 'id' => nil, 'name' => '', 'course_id' => nil }
- else
- { 'id' => nil, 'name' => nil, 'course_id' => nil }
- end
- column_defaults.each do |name, default|
- column = Entrant.columns_hash[name]
- assert !column.null, "#{name} column should be NOT NULL"
- assert_equal default, column.default, "#{name} column should be DEFAULT #{default.inspect}"
- end
- end
- if current_adapter?(:MysqlAdapter)
- # MySQL 5 and higher is quirky with not null text/blob columns.
- # With MySQL Text/blob columns cannot have defaults. If the column is
- # not null MySQL will report that the column has a null default
- # but it behaves as though the column had a default of ''
- def test_mysql_text_not_null_defaults
- klass = Class.new(ActiveRecord::Base)
- klass.table_name = 'test_mysql_text_not_null_defaults'
- klass.connection.create_table klass.table_name do |t|
- t.column :non_null_text, :text, :null => false
- t.column :non_null_blob, :blob, :null => false
- t.column :null_text, :text, :null => true
- t.column :null_blob, :blob, :null => true
- end
- assert_equal '', klass.columns_hash['non_null_blob'].default
- assert_equal '', klass.columns_hash['non_null_text'].default
- assert_equal nil, klass.columns_hash['null_blob'].default
- assert_equal nil, klass.columns_hash['null_text'].default
- assert_nothing_raised do
- instance = klass.create!
- assert_equal '', instance.non_null_text
- assert_equal '', instance.non_null_blob
- assert_nil instance.null_text
- assert_nil instance.null_blob
- end
- ensure
- klass.connection.drop_table(klass.table_name) rescue nil
- end
- # MySQL uses an implicit default 0 rather than NULL unless in strict mode.
- # We use an implicit NULL so schema.rb is compatible with other databases.
- def test_mysql_integer_not_null_defaults
- klass = Class.new(ActiveRecord::Base)
- klass.table_name = 'test_integer_not_null_default_zero'
- klass.connection.create_table klass.table_name do |t|
- t.column :zero, :integer, :null => false, :default => 0
- t.column :omit, :integer, :null => false
- end
- assert_equal 0, klass.columns_hash['zero'].default
- assert !klass.columns_hash['zero'].null
- # 0 in MySQL 4, nil in 5.
- assert [0, nil].include?(klass.columns_hash['omit'].default)
- assert !klass.columns_hash['omit'].null
- assert_raise(ActiveRecord::StatementInvalid) { klass.create! }
- assert_nothing_raised do
- instance = klass.create!(:omit => 1)
- assert_equal 0, instance.zero
- assert_equal 1, instance.omit
- end
- ensure
- klass.connection.drop_table(klass.table_name) rescue nil
- end
- end
- if current_adapter?(:PostgreSQLAdapter, :SQLServerAdapter, :FirebirdAdapter, :OpenBaseAdapter, :OracleAdapter)
- def test_default_integers
- default = Default.new
- assert_instance_of Fixnum, default.positive_integer
- assert_equal 1, default.positive_integer
- assert_instance_of Fixnum, default.negative_integer
- assert_equal -1, default.negative_integer
- assert_instance_of BigDecimal, default.decimal_number
- assert_equal BigDecimal.new("2.78"), default.decimal_number
- end
- end
- if current_adapter?(:PostgreSQLAdapter)
- def test_multiline_default_text
- # older postgres versions represent the default with escapes ("\\012" for a newline)
- assert ( "--- []\n\n" == Default.columns_hash['multiline_default'].default ||
- "--- []\\012\\012" == Default.columns_hash['multiline_default'].default)
- end
- end
- end
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