1
0
Fork 0
mirror of https://github.com/rails/rails.git synced 2022-11-09 12:12:34 -05:00
rails--rails/activerecord/test/cases/migration/columns_test.rb

307 lines
12 KiB
Ruby
Raw Normal View History

require "cases/migration/helper"
module ActiveRecord
class Migration
class ColumnsTest < ActiveRecord::TestCase
include ActiveRecord::Migration::TestHelper
self.use_transactional_tests = false
# FIXME: this is more of an integration test with AR::Base and the
# schema modifications. Maybe we should move this?
def test_add_rename
add_column "test_models", "girlfriend", :string
TestModel.reset_column_information
2016-08-06 13:37:57 -04:00
TestModel.create girlfriend: "bobette"
rename_column "test_models", "girlfriend", "exgirlfriend"
TestModel.reset_column_information
bob = TestModel.first
assert_equal "bobette", bob.exgirlfriend
end
# FIXME: another integration test. We should decouple this from the
# AR::Base implementation.
def test_rename_column_using_symbol_arguments
add_column :test_models, :first_name, :string
2016-08-06 13:37:57 -04:00
TestModel.create first_name: "foo"
rename_column :test_models, :first_name, :nick_name
TestModel.reset_column_information
assert TestModel.column_names.include?("nick_name")
assert_equal ["foo"], TestModel.all.map(&:nick_name)
end
# FIXME: another integration test. We should decouple this from the
# AR::Base implementation.
def test_rename_column
add_column "test_models", "first_name", "string"
2016-08-06 13:37:57 -04:00
TestModel.create first_name: "foo"
rename_column "test_models", "first_name", "nick_name"
TestModel.reset_column_information
assert TestModel.column_names.include?("nick_name")
assert_equal ["foo"], TestModel.all.map(&:nick_name)
end
def test_rename_column_preserves_default_value_not_null
2016-08-06 13:37:57 -04:00
add_column "test_models", "salary", :integer, default: 70000
default_before = connection.columns("test_models").find { |c| c.name == "salary" }.default
assert_equal "70000", default_before
2013-03-28 12:15:08 -04:00
rename_column "test_models", "salary", "annual_salary"
2013-03-28 12:15:08 -04:00
assert TestModel.column_names.include?("annual_salary")
default_after = connection.columns("test_models").find { |c| c.name == "annual_salary" }.default
assert_equal "70000", default_after
end
2015-12-15 17:01:30 -05:00
if current_adapter?(:Mysql2Adapter)
def test_mysql_rename_column_preserves_auto_increment
rename_column "test_models", "id", "id_test"
assert connection.columns("test_models").find { |c| c.name == "id_test" }.auto_increment?
TestModel.reset_column_information
ensure
rename_column "test_models", "id_test", "id"
end
end
def test_rename_nonexistent_column
exception = if current_adapter?(:PostgreSQLAdapter, :OracleAdapter)
ActiveRecord::StatementInvalid
else
ActiveRecord::ActiveRecordError
end
assert_raise(exception) do
rename_column "test_models", "nonexistent", "should_fail"
end
end
def test_rename_column_with_sql_reserved_word
add_column "test_models", "first_name", :string
rename_column "test_models", "first_name", "group"
assert TestModel.column_names.include?("group")
end
def test_rename_column_with_an_index
add_column "test_models", :hat_name, :string
add_index :test_models, :hat_name
assert_equal 1, connection.indexes("test_models").size
rename_column "test_models", "hat_name", "name"
assert_equal ["index_test_models_on_name"], connection.indexes("test_models").map(&:name)
end
def test_rename_column_with_multi_column_index
add_column "test_models", :hat_size, :integer
add_column "test_models", :hat_style, :string, limit: 100
add_index "test_models", ["hat_style", "hat_size"], unique: true
rename_column "test_models", "hat_size", "size"
if current_adapter? :OracleAdapter
assert_equal ["i_test_models_hat_style_size"], connection.indexes("test_models").map(&:name)
else
assert_equal ["index_test_models_on_hat_style_and_size"], connection.indexes("test_models").map(&:name)
end
rename_column "test_models", "hat_style", "style"
if current_adapter? :OracleAdapter
assert_equal ["i_test_models_style_size"], connection.indexes("test_models").map(&:name)
else
assert_equal ["index_test_models_on_style_and_size"], connection.indexes("test_models").map(&:name)
end
end
def test_rename_column_does_not_rename_custom_named_index
add_column "test_models", :hat_name, :string
2016-08-06 13:37:57 -04:00
add_index :test_models, :hat_name, name: "idx_hat_name"
assert_equal 1, connection.indexes("test_models").size
rename_column "test_models", "hat_name", "name"
assert_equal ["idx_hat_name"], connection.indexes("test_models").map(&:name)
end
def test_remove_column_with_index
add_column "test_models", :hat_name, :string
add_index :test_models, :hat_name
assert_equal 1, connection.indexes("test_models").size
2012-01-12 17:47:36 -05:00
remove_column("test_models", "hat_name")
assert_equal 0, connection.indexes("test_models").size
end
def test_remove_column_with_multi_column_index
add_column "test_models", :hat_size, :integer
2016-08-06 13:37:57 -04:00
add_column "test_models", :hat_style, :string, limit: 100
add_index "test_models", ["hat_style", "hat_size"], unique: true
assert_equal 1, connection.indexes("test_models").size
remove_column("test_models", "hat_size")
# Every database and/or database adapter has their own behavior
# if it drops the multi-column index when any of the indexed columns dropped by remove_column.
if current_adapter?(:PostgreSQLAdapter, :OracleAdapter)
assert_equal [], connection.indexes("test_models").map(&:name)
else
assert_equal ["index_test_models_on_hat_style_and_hat_size"], connection.indexes("test_models").map(&:name)
end
end
def test_change_type_of_not_null_column
2016-08-06 13:37:57 -04:00
change_column "test_models", "updated_at", :datetime, null: false
change_column "test_models", "updated_at", :datetime, null: false
TestModel.reset_column_information
assert_equal false, TestModel.columns_hash["updated_at"].null
ensure
2016-08-06 13:37:57 -04:00
change_column "test_models", "updated_at", :datetime, null: true
end
2012-01-12 16:35:09 -05:00
def test_change_column_nullability
add_column "test_models", "funny", :boolean
assert TestModel.columns_hash["funny"].null, "Column 'funny' must initially allow nulls"
2016-08-06 13:37:57 -04:00
change_column "test_models", "funny", :boolean, null: false, default: true
2012-01-12 16:35:09 -05:00
TestModel.reset_column_information
assert_not TestModel.columns_hash["funny"].null, "Column 'funny' must *not* allow nulls at this point"
2012-01-12 16:35:09 -05:00
2016-08-06 13:37:57 -04:00
change_column "test_models", "funny", :boolean, null: true
2012-01-12 16:35:09 -05:00
TestModel.reset_column_information
assert TestModel.columns_hash["funny"].null, "Column 'funny' must allow nulls again at this point"
end
def test_change_column
add_column "test_models", "age", :integer
2016-08-06 13:37:57 -04:00
add_column "test_models", "approved", :boolean, default: true
2012-01-12 16:35:09 -05:00
old_columns = connection.columns(TestModel.table_name)
2012-01-12 16:35:09 -05:00
assert old_columns.find { |c| c.name == "age" && c.type == :integer }
2012-01-12 16:35:09 -05:00
change_column "test_models", "age", :string
new_columns = connection.columns(TestModel.table_name)
2012-01-12 16:35:09 -05:00
assert_not new_columns.find { |c| c.name == "age" and c.type == :integer }
assert new_columns.find { |c| c.name == "age" and c.type == :string }
2012-01-12 16:35:09 -05:00
old_columns = connection.columns(TestModel.table_name)
2012-01-12 16:35:09 -05:00
assert old_columns.find { |c|
default = connection.lookup_cast_type_from_column(c).deserialize(c.default)
c.name == "approved" && c.type == :boolean && default == true
2012-01-12 16:35:09 -05:00
}
2016-08-06 13:37:57 -04:00
change_column :test_models, :approved, :boolean, default: false
new_columns = connection.columns(TestModel.table_name)
2012-01-12 16:35:09 -05:00
assert_not new_columns.find { |c|
default = connection.lookup_cast_type_from_column(c).deserialize(c.default)
c.name == "approved" and c.type == :boolean and default == true
}
assert new_columns.find { |c|
default = connection.lookup_cast_type_from_column(c).deserialize(c.default)
c.name == "approved" and c.type == :boolean and default == false
}
2016-08-06 13:37:57 -04:00
change_column :test_models, :approved, :boolean, default: true
2012-01-12 16:35:09 -05:00
end
def test_change_column_with_nil_default
2016-08-06 13:37:57 -04:00
add_column "test_models", "contributor", :boolean, default: true
2012-01-12 16:35:09 -05:00
assert TestModel.new.contributor?
2016-08-06 13:37:57 -04:00
change_column "test_models", "contributor", :boolean, default: nil
2012-01-12 16:35:09 -05:00
TestModel.reset_column_information
assert_not TestModel.new.contributor?
2012-01-12 16:35:09 -05:00
assert_nil TestModel.new.contributor
end
def test_change_column_with_new_default
2016-08-06 13:37:57 -04:00
add_column "test_models", "administrator", :boolean, default: true
2012-01-12 16:35:09 -05:00
assert TestModel.new.administrator?
2016-08-06 13:37:57 -04:00
change_column "test_models", "administrator", :boolean, default: false
2012-01-12 16:35:09 -05:00
TestModel.reset_column_information
assert_not TestModel.new.administrator?
2012-01-12 16:35:09 -05:00
end
def test_change_column_with_custom_index_name
add_column "test_models", "category", :string
add_index :test_models, :category, name: "test_models_categories_idx"
assert_equal ["test_models_categories_idx"], connection.indexes("test_models").map(&:name)
change_column "test_models", "category", :string, null: false, default: "article"
assert_equal ["test_models_categories_idx"], connection.indexes("test_models").map(&:name)
end
def test_change_column_with_long_index_name
table_name_prefix = "test_models_"
long_index_name = table_name_prefix + ("x" * (connection.allowed_index_name_length - table_name_prefix.length))
add_column "test_models", "category", :string
add_index :test_models, :category, name: long_index_name
change_column "test_models", "category", :string, null: false, default: "article"
assert_equal [long_index_name], connection.indexes("test_models").map(&:name)
end
2012-01-12 16:35:09 -05:00
def test_change_column_default
add_column "test_models", "first_name", :string
connection.change_column_default "test_models", "first_name", "Tester"
assert_equal "Tester", TestModel.new.first_name
end
def test_change_column_default_to_null
add_column "test_models", "first_name", :string
connection.change_column_default "test_models", "first_name", nil
assert_nil TestModel.new.first_name
end
def test_change_column_default_with_from_and_to
add_column "test_models", "first_name", :string
connection.change_column_default "test_models", "first_name", from: nil, to: "Tester"
assert_equal "Tester", TestModel.new.first_name
end
2012-01-12 18:43:41 -05:00
def test_remove_column_no_second_parameter_raises_exception
assert_raise(ArgumentError) { connection.remove_column("funny") }
end
def test_removing_and_renaming_column_preserves_custom_primary_key
connection.create_table "my_table", primary_key: "my_table_id", force: true do |t|
t.integer "col_one"
t.string "col_two", limit: 128, null: false
end
remove_column("my_table", "col_two")
rename_column("my_table", "col_one", "col_three")
assert_equal "my_table_id", connection.primary_key("my_table")
ensure
connection.drop_table(:my_table) rescue nil
end
def test_column_with_index
connection.create_table "my_table", force: true do |t|
t.string :item_number, index: true
end
assert connection.index_exists?("my_table", :item_number, name: :index_my_table_on_item_number)
ensure
connection.drop_table(:my_table) rescue nil
end
end
end
end