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require 'abstract_unit'
require 'fixtures/person'
require File.dirname(__FILE__) + '/fixtures/migrations/1_people_have_last_names'
require File.dirname(__FILE__) + '/fixtures/migrations/2_we_need_reminders'
if ActiveRecord::Base.connection.supports_migrations?
class Reminder < ActiveRecord::Base; end
class MigrationTest < Test::Unit::TestCase
self.use_transactional_fixtures = false
def setup
end
def teardown
ActiveRecord::Base.connection.initialize_schema_information
ActiveRecord::Base.connection.update "UPDATE schema_info SET version = 0"
Reminder.connection.drop_table("reminders") rescue nil
Reminder.connection.drop_table("people_reminders") rescue nil
Reminder.reset_column_information
Person.connection.remove_column("people", "last_name") rescue nil
Person.connection.remove_column("people", "bio") rescue nil
Person.connection.remove_column("people", "age") rescue nil
Person.connection.remove_column("people", "height") rescue nil
Person.connection.remove_column("people", "birthday") rescue nil
Person.connection.remove_column("people", "favorite_day") rescue nil
Person.connection.remove_column("people", "male") rescue nil
Person.connection.remove_column("people", "administrator") rescue nil
Person.reset_column_information
end
def test_add_index
Person.connection.add_column "people", "last_name", :string
Person.connection.add_column "people", "administrator", :boolean
assert_nothing_raised { Person.connection.add_index("people", "last_name") }
assert_nothing_raised { Person.connection.remove_index("people", "last_name") }
assert_nothing_raised { Person.connection.add_index("people", ["last_name", "first_name"]) }
assert_nothing_raised { Person.connection.remove_index("people", "last_name") }
assert_nothing_raised { Person.connection.add_index("people", %w(last_name first_name administrator), :name => "named_admin") }
assert_nothing_raised { Person.connection.remove_index("people", :name => "named_admin") }
end
def test_create_table_adds_id
Person.connection.create_table :testings do |t|
t.column :foo, :string
end
assert_equal %w(foo id),
Person.connection.columns(:testings).map { |c| c.name }.sort
ensure
Person.connection.drop_table :testings rescue nil
end
def test_create_table_with_not_null_column
Person.connection.create_table :testings do |t|
t.column :foo, :string, :null => false
end
assert_raises(ActiveRecord::StatementInvalid) do
Person.connection.execute "insert into testings (foo) values (NULL)"
end
ensure
Person.connection.drop_table :testings rescue nil
end
def test_create_table_with_defaults
Person.connection.create_table :testings do |t|
t.column :one, :string, :default => "hello"
t.column :two, :boolean, :default => true
t.column :three, :boolean, :default => false
t.column :four, :integer, :default => 1
end
columns = Person.connection.columns(:testings)
one = columns.detect { |c| c.name == "one" }
two = columns.detect { |c| c.name == "two" }
three = columns.detect { |c| c.name == "three" }
four = columns.detect { |c| c.name == "four" }
assert_equal "hello", one.default
assert_equal true, two.default
assert_equal false, three.default
assert_equal 1, four.default
ensure
Person.connection.drop_table :testings rescue nil
end
def test_add_column_not_null
Person.connection.create_table :testings do |t|
t.column :foo, :string
end
Person.connection.add_column :testings, :bar, :string, :null => false
assert_raises(ActiveRecord::StatementInvalid) do
Person.connection.execute "insert into testings (foo, bar) values ('hello', NULL)"
end
ensure
Person.connection.drop_table :testings rescue nil
end
def test_native_types
Person.delete_all
Person.connection.add_column "people", "last_name", :string
Person.connection.add_column "people", "bio", :text
Person.connection.add_column "people", "age", :integer
Person.connection.add_column "people", "height", :float
Person.connection.add_column "people", "birthday", :datetime
Person.connection.add_column "people", "favorite_day", :date
Person.connection.add_column "people", "male", :boolean
assert_nothing_raised { Person.create :first_name => 'bob', :last_name => 'bobsen', :bio => "I was born ....", :age => 18, :height => 1.78, :birthday => 18.years.ago, :favorite_day => 10.days.ago, :male => true }
bob = Person.find(:first)
assert_equal bob.first_name, 'bob'
assert_equal bob.last_name, 'bobsen'
assert_equal bob.bio, "I was born ...."
assert_equal bob.age, 18
assert_equal bob.male?, true
assert_equal String, bob.first_name.class
assert_equal String, bob.last_name.class
assert_equal String, bob.bio.class
assert_equal Fixnum, bob.age.class
assert_equal Time, bob.birthday.class
assert_equal Date, bob.favorite_day.class
assert_equal TrueClass, bob.male?.class
end
def test_add_remove_single_field
assert !Person.column_methods_hash.include?(:last_name)
PeopleHaveLastNames.up
Person.reset_column_information
assert Person.column_methods_hash.include?(:last_name)
PeopleHaveLastNames.down
Person.reset_column_information
assert !Person.column_methods_hash.include?(:last_name)
end
def test_add_rename
Person.delete_all
Person.connection.add_column "people", "girlfriend", :string
Person.create :girlfriend => 'bobette'
begin
Person.connection.rename_column "people", "girlfriend", "exgirlfriend"
Person.reset_column_information
bob = Person.find(:first)
assert_equal "bobette", bob.exgirlfriend
ensure
Person.connection.remove_column("people", "girlfriend") rescue nil
Person.connection.remove_column("people", "exgirlfriend") rescue nil
end
end
def test_change_column
Person.connection.add_column "people", "bio", :string
assert_nothing_raised { Person.connection.change_column "people", "bio", :text }
end
def test_change_column_with_new_default
Person.connection.add_column "people", "administrator", :boolean, :default => 1
Person.reset_column_information
assert Person.new.administrator?
assert_nothing_raised { Person.connection.change_column "people", "administrator", :boolean, :default => 0 }
Person.reset_column_information
assert !Person.new.administrator?
end
def test_add_table
assert_raises(ActiveRecord::StatementInvalid) { Reminder.column_methods_hash }
WeNeedReminders.up
assert Reminder.create("content" => "hello world", "remind_at" => Time.now)
assert_equal "hello world", Reminder.find(:first).content
WeNeedReminders.down
assert_raises(ActiveRecord::StatementInvalid) { Reminder.find(:first) }
end
def test_migrator
assert !Person.column_methods_hash.include?(:last_name)
assert_raises(ActiveRecord::StatementInvalid) { Reminder.column_methods_hash }
ActiveRecord::Migrator.up(File.dirname(__FILE__) + '/fixtures/migrations/')
assert_equal 3, ActiveRecord::Migrator.current_version
Person.reset_column_information
assert Person.column_methods_hash.include?(:last_name)
assert Reminder.create("content" => "hello world", "remind_at" => Time.now)
assert_equal "hello world", Reminder.find(:first).content
ActiveRecord::Migrator.down(File.dirname(__FILE__) + '/fixtures/migrations/')
assert_equal 0, ActiveRecord::Migrator.current_version
Person.reset_column_information
assert !Person.column_methods_hash.include?(:last_name)
assert_raises(ActiveRecord::StatementInvalid) { Reminder.find(:first) }
end
def test_migrator_one_up
assert !Person.column_methods_hash.include?(:last_name)
assert_raises(ActiveRecord::StatementInvalid) { Reminder.column_methods_hash }
ActiveRecord::Migrator.up(File.dirname(__FILE__) + '/fixtures/migrations/', 1)
Person.reset_column_information
assert Person.column_methods_hash.include?(:last_name)
assert_raises(ActiveRecord::StatementInvalid) { Reminder.column_methods_hash }
ActiveRecord::Migrator.up(File.dirname(__FILE__) + '/fixtures/migrations/', 2)
assert Reminder.create("content" => "hello world", "remind_at" => Time.now)
assert_equal "hello world", Reminder.find(:first).content
end
def test_migrator_one_down
ActiveRecord::Migrator.up(File.dirname(__FILE__) + '/fixtures/migrations/')
ActiveRecord::Migrator.down(File.dirname(__FILE__) + '/fixtures/migrations/', 1)
Person.reset_column_information
assert Person.column_methods_hash.include?(:last_name)
assert_raises(ActiveRecord::StatementInvalid) { Reminder.column_methods_hash }
end
def test_migrator_one_up_one_down
ActiveRecord::Migrator.up(File.dirname(__FILE__) + '/fixtures/migrations/', 1)
ActiveRecord::Migrator.down(File.dirname(__FILE__) + '/fixtures/migrations/', 0)
assert !Person.column_methods_hash.include?(:last_name)
assert_raises(ActiveRecord::StatementInvalid) { Reminder.column_methods_hash }
end
def test_migrator_going_down_due_to_version_target
ActiveRecord::Migrator.up(File.dirname(__FILE__) + '/fixtures/migrations/', 1)
ActiveRecord::Migrator.migrate(File.dirname(__FILE__) + '/fixtures/migrations/', 0)
assert !Person.column_methods_hash.include?(:last_name)
assert_raises(ActiveRecord::StatementInvalid) { Reminder.column_methods_hash }
ActiveRecord::Migrator.migrate(File.dirname(__FILE__) + '/fixtures/migrations/')
Person.reset_column_information
assert Person.column_methods_hash.include?(:last_name)
assert Reminder.create("content" => "hello world", "remind_at" => Time.now)
assert_equal "hello world", Reminder.find(:first).content
end
end
end
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