diff options
Diffstat (limited to 'activerecord/test/cases/migration/change_schema_test.rb')
-rw-r--r-- | activerecord/test/cases/migration/change_schema_test.rb | 324 |
1 files changed, 324 insertions, 0 deletions
diff --git a/activerecord/test/cases/migration/change_schema_test.rb b/activerecord/test/cases/migration/change_schema_test.rb new file mode 100644 index 0000000000..ab61a4dcef --- /dev/null +++ b/activerecord/test/cases/migration/change_schema_test.rb @@ -0,0 +1,324 @@ +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(foo id), connection.columns(:testings).map(&:name).sort + 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) || current_adapter?(: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) or current_adapter?(: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(foo testing_id), connection.columns(:testings).map(&:name).sort + 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(foo testingid), connection.columns(:testings).map(&:name).sort + 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) + refute 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) + refute connection.column_exists?(:testings, :foo, :integer) + + assert connection.column_exists?(:testings, :bar, :decimal) + refute 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 + end + + assert connection.column_exists?(:testings, :foo, :string, :limit => 100) + refute connection.column_exists?(:testings, :foo, :string, :limit => 50) + assert connection.column_exists?(:testings, :bar, :decimal, :precision => 8, :scale => 2) + refute connection.column_exists?(:testings, :bar, :decimal, :precision => 10, :scale => 2) + 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 |