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