require 'cases/helper'
module ActiveRecord
class Migration
class ChangeSchemaTest < ActiveRecord::TestCase
attr_reader :connection, :table_name
def setup
super
@connection = ActiveRecord::Base.connection
@table_name = :testings
end
def teardown
super
connection.drop_table :testings rescue nil
ActiveRecord::Base.primary_key_prefix_type = nil
end
def test_create_table_without_id
testing_table_with_only_foo_attribute do
assert_equal connection.columns(:testings).size, 1
end
end
def test_add_column_with_primary_key_attribute
testing_table_with_only_foo_attribute do
connection.add_column :testings, :id, :primary_key
assert_equal connection.columns(:testings).size, 2
end
end
def test_create_table_adds_id
connection.create_table :testings do |t|
t.column :foo, :string
end
assert_equal %w(id foo), connection.columns(:testings).map(&:name)
end
def test_create_table_with_not_null_column
connection.create_table :testings do |t|
t.column :foo, :string, :null => false
end
assert_raises(ActiveRecord::StatementInvalid) do
connection.execute "insert into testings (foo) values (NULL)"
end
end
def test_create_table_with_defaults
# MySQL doesn't allow defaults on TEXT or BLOB columns.
mysql = current_adapter?(:MysqlAdapter, :Mysql2Adapter)
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
t.column :five, :text, :default => "hello" unless mysql
end
columns = 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" }
five = columns.detect { |c| c.name == "five" } unless mysql
assert_equal "hello", one.default
assert_equal true, two.default
assert_equal false, three.default
assert_equal 1, four.default
assert_equal "hello", five.default unless mysql
end
def test_create_table_with_limits
connection.create_table :testings do |t|
t.column :foo, :string, :limit => 255
t.column :default_int, :integer
t.column :one_int, :integer, :limit => 1
t.column :four_int, :integer, :limit => 4
t.column :eight_int, :integer, :limit => 8
end
columns = connection.columns(:testings)
foo = columns.detect { |c| c.name == "foo" }
assert_equal 255, foo.limit
default = columns.detect { |c| c.name == "default_int" }
one = columns.detect { |c| c.name == "one_int" }
four = columns.detect { |c| c.name == "four_int" }
eight = columns.detect { |c| c.name == "eight_int" }
if current_adapter?(:PostgreSQLAdapter)
assert_equal 'integer', default.sql_type
assert_equal 'smallint', one.sql_type
assert_equal 'integer', four.sql_type
assert_equal 'bigint', eight.sql_type
elsif current_adapter?(:MysqlAdapter, :Mysql2Adapter)
assert_match 'int(11)', default.sql_type
assert_match 'tinyint', one.sql_type
assert_match 'int', four.sql_type
assert_match 'bigint', eight.sql_type
elsif current_adapter?(:OracleAdapter)
assert_equal 'NUMBER(38)', default.sql_type
assert_equal 'NUMBER(1)', one.sql_type
assert_equal 'NUMBER(4)', four.sql_type
assert_equal 'NUMBER(8)', eight.sql_type
end
end
def test_create_table_with_primary_key_prefix_as_table_name_with_underscore
ActiveRecord::Base.primary_key_prefix_type = :table_name_with_underscore
connection.create_table :testings do |t|
t.column :foo, :string
end
assert_equal %w(testing_id foo), connection.columns(:testings).map(&:name)
end
def test_create_table_with_primary_key_prefix_as_table_name
ActiveRecord::Base.primary_key_prefix_type = :table_name
connection.create_table :testings do |t|
t.column :foo, :string
end
assert_equal %w(testingid foo), connection.columns(:testings).map(&:name)
end
def test_create_table_raises_when_redefining_primary_key_column
error = assert_raise(ArgumentError) do
connection.create_table :testings do |t|
t.column :id, :string
end
end
assert_equal "you can't redefine the primary key column 'id'. To define a custom primary key, pass { id: false } to create_table.", error.message
end
def test_create_table_raises_when_redefining_custom_primary_key_column
error = assert_raise(ArgumentError) do
connection.create_table :testings, primary_key: :testing_id do |t|
t.column :testing_id, :string
end
end
assert_equal "you can't redefine the primary key column 'testing_id'. To define a custom primary key, pass { id: false } to create_table.", error.message
end
def test_create_table_with_timestamps_should_create_datetime_columns
connection.create_table table_name do |t|
t.timestamps
end
created_columns = connection.columns(table_name)
created_at_column = created_columns.detect {|c| c.name == 'created_at' }
updated_at_column = created_columns.detect {|c| c.name == 'updated_at' }
assert created_at_column.null
assert updated_at_column.null
end
def test_create_table_with_timestamps_should_create_datetime_columns_with_options
connection.create_table table_name do |t|
t.timestamps :null => false
end
created_columns = connection.columns(table_name)
created_at_column = created_columns.detect {|c| c.name == 'created_at' }
updated_at_column = created_columns.detect {|c| c.name == 'updated_at' }
assert !created_at_column.null
assert !updated_at_column.null
end
def test_create_table_without_a_block
connection.create_table table_name
end
def test_add_column_not_null_without_default
# Sybase, and SQLite3 will not allow you to add a NOT NULL
# column to a table without a default value.
if current_adapter?(:SybaseAdapter, :SQLite3Adapter)
skip "not supported on #{connection.class}"
end
connection.create_table :testings do |t|
t.column :foo, :string
end
connection.add_column :testings, :bar, :string, :null => false
assert_raise(ActiveRecord::StatementInvalid) do
connection.execute "insert into testings (foo, bar) values ('hello', NULL)"
end
end
def test_add_column_not_null_with_default
connection.create_table :testings do |t|
t.column :foo, :string
end
con = connection
connection.enable_identity_insert("testings", true) if current_adapter?(:SybaseAdapter)
connection.execute "insert into testings (#{con.quote_column_name('id')}, #{con.quote_column_name('foo')}) values (1, 'hello')"
connection.enable_identity_insert("testings", false) if current_adapter?(:SybaseAdapter)
assert_nothing_raised {connection.add_column :testings, :bar, :string, :null => false, :default => "default" }
assert_raises(ActiveRecord::StatementInvalid) do
unless current_adapter?(:OpenBaseAdapter)
connection.execute "insert into testings (#{con.quote_column_name('id')}, #{con.quote_column_name('foo')}, #{con.quote_column_name('bar')}) values (2, 'hello', NULL)"
else
connection.insert("INSERT INTO testings (#{con.quote_column_name('id')}, #{con.quote_column_name('foo')}, #{con.quote_column_name('bar')}) VALUES (2, 'hello', NULL)",
"Testing Insert","id",2)
end
end
end
def test_change_column_quotes_column_names
connection.create_table :testings do |t|
t.column :select, :string
end
connection.change_column :testings, :select, :string, :limit => 10
# Oracle needs primary key value from sequence
if current_adapter?(:OracleAdapter)
connection.execute "insert into testings (id, #{connection.quote_column_name('select')}) values (testings_seq.nextval, '7 chars')"
else
connection.execute "insert into testings (#{connection.quote_column_name('select')}) values ('7 chars')"
end
end
def test_keeping_default_and_notnull_constaint_on_change
connection.create_table :testings do |t|
t.column :title, :string
end
person_klass = Class.new(ActiveRecord::Base)
person_klass.table_name = 'testings'
person_klass.connection.add_column "testings", "wealth", :integer, :null => false, :default => 99
person_klass.reset_column_information
assert_equal 99, person_klass.columns_hash["wealth"].default
assert_equal false, person_klass.columns_hash["wealth"].null
# Oracle needs primary key value from sequence
if current_adapter?(:OracleAdapter)
assert_nothing_raised {person_klass.connection.execute("insert into testings (id, title) values (testings_seq.nextval, 'tester')")}
else
assert_nothing_raised {person_klass.connection.execute("insert into testings (title) values ('tester')")}
end
# change column default to see that column doesn't lose its not null definition
person_klass.connection.change_column_default "testings", "wealth", 100
person_klass.reset_column_information
assert_equal 100, person_klass.columns_hash["wealth"].default
assert_equal false, person_klass.columns_hash["wealth"].null
# rename column to see that column doesn't lose its not null and/or default definition
person_klass.connection.rename_column "testings", "wealth", "money"
person_klass.reset_column_information
assert_nil person_klass.columns_hash["wealth"]
assert_equal 100, person_klass.columns_hash["money"].default
assert_equal false, person_klass.columns_hash["money"].null
# change column
person_klass.connection.change_column "testings", "money", :integer, :null => false, :default => 1000
person_klass.reset_column_information
assert_equal 1000, person_klass.columns_hash["money"].default
assert_equal false, person_klass.columns_hash["money"].null
# change column, make it nullable and clear default
person_klass.connection.change_column "testings", "money", :integer, :null => true, :default => nil
person_klass.reset_column_information
assert_nil person_klass.columns_hash["money"].default
assert_equal true, person_klass.columns_hash["money"].null
# change_column_null, make it not nullable and set null values to a default value
person_klass.connection.execute('UPDATE testings SET money = NULL')
person_klass.connection.change_column_null "testings", "money", false, 2000
person_klass.reset_column_information
assert_nil person_klass.columns_hash["money"].default
assert_equal false, person_klass.columns_hash["money"].null
assert_equal 2000, connection.select_values("SELECT money FROM testings").first.to_i
end
def test_column_exists
connection.create_table :testings do |t|
t.column :foo, :string
end
assert connection.column_exists?(:testings, :foo)
assert_not connection.column_exists?(:testings, :bar)
end
def test_column_exists_with_type
connection.create_table :testings do |t|
t.column :foo, :string
t.column :bar, :decimal, :precision => 8, :scale => 2
end
assert connection.column_exists?(:testings, :foo, :string)
assert_not connection.column_exists?(:testings, :foo, :integer)
assert connection.column_exists?(:testings, :bar, :decimal)
assert_not connection.column_exists?(:testings, :bar, :integer)
end
def test_column_exists_with_definition
connection.create_table :testings do |t|
t.column :foo, :string, limit: 100
t.column :bar, :decimal, precision: 8, scale: 2
t.column :taggable_id, :integer, null: false
t.column :taggable_type, :string, default: 'Photo'
end
assert connection.column_exists?(:testings, :foo, :string, limit: 100)
assert_not connection.column_exists?(:testings, :foo, :string, limit: nil)
assert connection.column_exists?(:testings, :bar, :decimal, precision: 8, scale: 2)
assert_not connection.column_exists?(:testings, :bar, :decimal, precision: nil, scale: nil)
assert connection.column_exists?(:testings, :taggable_id, :integer, null: false)
assert_not connection.column_exists?(:testings, :taggable_id, :integer, null: true)
assert connection.column_exists?(:testings, :taggable_type, :string, default: 'Photo')
assert_not connection.column_exists?(:testings, :taggable_type, :string, default: nil)
end
def test_column_exists_on_table_with_no_options_parameter_supplied
connection.create_table :testings do |t|
t.string :foo
end
connection.change_table :testings do |t|
assert t.column_exists?(:foo)
assert !(t.column_exists?(:bar))
end
end
private
def testing_table_with_only_foo_attribute
connection.create_table :testings, :id => false do |t|
t.column :foo, :string
end
yield
end
end
end
end
