class ActiveRecord::Migration::ReferencesStatementsTest

Public Instance Methods

setup() click to toggle source
# File activerecord/test/cases/migration/references_statements_test.rb, line 12
def setup
  super
  @table_name = :test_models

  add_column table_name, :supplier_id, :integer
  add_index table_name, :supplier_id
end
test_add_belongs_to_alias() click to toggle source
# File activerecord/test/cases/migration/references_statements_test.rb, line 118
def test_add_belongs_to_alias
  add_belongs_to table_name, :user
  assert column_exists?(table_name, :user_id, :integer)
end
test_create_reference_id_index_even_if_index_option_is_not_passed() click to toggle source
# File activerecord/test/cases/migration/references_statements_test.rb, line 40
def test_create_reference_id_index_even_if_index_option_is_not_passed
  add_reference table_name, :user
  assert index_exists?(table_name, :user_id)
end
test_creates_named_index() click to toggle source
# File activerecord/test/cases/migration/references_statements_test.rb, line 70
def test_creates_named_index
  add_reference table_name, :tag, index: { name: "index_taggings_on_tag_id" }
  assert index_exists?(table_name, :tag_id, name: "index_taggings_on_tag_id")
end
test_creates_named_unique_index() click to toggle source
# File activerecord/test/cases/migration/references_statements_test.rb, line 75
def test_creates_named_unique_index
  add_reference table_name, :tag, index: { name: "index_taggings_on_tag_id", unique: true }
  assert index_exists?(table_name, :tag_id, name: "index_taggings_on_tag_id", unique: true)
end
test_creates_polymorphic_index() click to toggle source
# File activerecord/test/cases/migration/references_statements_test.rb, line 45
def test_creates_polymorphic_index
  add_reference table_name, :taggable, polymorphic: true, index: true
  assert index_exists?(table_name, [:taggable_type, :taggable_id])
end
test_creates_reference_id_column() click to toggle source
# File activerecord/test/cases/migration/references_statements_test.rb, line 20
def test_creates_reference_id_column
  add_reference table_name, :user
  assert column_exists?(table_name, :user_id, :integer)
end
test_creates_reference_id_with_specified_type() click to toggle source
# File activerecord/test/cases/migration/references_statements_test.rb, line 80
def test_creates_reference_id_with_specified_type
  add_reference table_name, :user, type: :string
  assert column_exists?(table_name, :user_id, :string)
end
test_creates_reference_type_column() click to toggle source
# File activerecord/test/cases/migration/references_statements_test.rb, line 30
def test_creates_reference_type_column
  add_reference table_name, :taggable, polymorphic: true
  assert column_exists?(table_name, :taggable_type, :string)
end
test_creates_reference_type_column_with_default() click to toggle source
# File activerecord/test/cases/migration/references_statements_test.rb, line 50
def test_creates_reference_type_column_with_default
  add_reference table_name, :taggable, polymorphic: { default: "Photo" }, index: true
  assert column_exists?(table_name, :taggable_type, :string, default: "Photo")
end
test_creates_reference_type_column_with_not_null() click to toggle source
# File activerecord/test/cases/migration/references_statements_test.rb, line 55
def test_creates_reference_type_column_with_not_null
  connection.create_table table_name, force: true do |t|
    t.references :taggable, null: false, polymorphic: true
  end
  assert column_exists?(table_name, :taggable_id, :integer, null: false)
  assert column_exists?(table_name, :taggable_type, :string, null: false)
end
test_deletes_polymorphic_index() click to toggle source
# File activerecord/test/cases/migration/references_statements_test.rb, line 111
def test_deletes_polymorphic_index
  with_polymorphic_column do
    remove_reference table_name, :supplier, polymorphic: true
    assert_not index_exists?(table_name, [:supplier_id, :supplier_type])
  end
end
test_deletes_reference_id_column() click to toggle source
# File activerecord/test/cases/migration/references_statements_test.rb, line 85
def test_deletes_reference_id_column
  remove_reference table_name, :supplier
  assert_not column_exists?(table_name, :supplier_id, :integer)
end
test_deletes_reference_id_index() click to toggle source
# File activerecord/test/cases/migration/references_statements_test.rb, line 90
def test_deletes_reference_id_index
  remove_reference table_name, :supplier
  assert_not index_exists?(table_name, :supplier_id)
end
test_deletes_reference_type_column() click to toggle source
# File activerecord/test/cases/migration/references_statements_test.rb, line 104
def test_deletes_reference_type_column
  with_polymorphic_column do
    remove_reference table_name, :supplier, polymorphic: true
    assert_not column_exists?(table_name, :supplier_type, :string)
  end
end
test_does_not_create_reference_id_index_if_index_is_false() click to toggle source
# File activerecord/test/cases/migration/references_statements_test.rb, line 35
def test_does_not_create_reference_id_index_if_index_is_false
  add_reference table_name, :user, index: false
  assert_not index_exists?(table_name, :user_id)
end
test_does_not_create_reference_type_column() click to toggle source
# File activerecord/test/cases/migration/references_statements_test.rb, line 25
def test_does_not_create_reference_type_column
  add_reference table_name, :taggable
  assert_not column_exists?(table_name, :taggable_type, :string)
end
test_does_not_delete_reference_type_column() click to toggle source
# File activerecord/test/cases/migration/references_statements_test.rb, line 95
def test_does_not_delete_reference_type_column
  with_polymorphic_column do
    remove_reference table_name, :supplier

    assert_not column_exists?(table_name, :supplier_id, :integer)
    assert column_exists?(table_name, :supplier_type, :string)
  end
end
test_does_not_share_options_with_reference_type_column() click to toggle source
# File activerecord/test/cases/migration/references_statements_test.rb, line 63
def test_does_not_share_options_with_reference_type_column
  add_reference table_name, :taggable, type: :integer, limit: 2, polymorphic: true
  assert column_exists?(table_name, :taggable_id, :integer, limit: 2)
  assert column_exists?(table_name, :taggable_type, :string)
  assert_not column_exists?(table_name, :taggable_type, :string, limit: 2)
end
test_remove_belongs_to_alias() click to toggle source
# File activerecord/test/cases/migration/references_statements_test.rb, line 123
def test_remove_belongs_to_alias
  remove_belongs_to table_name, :supplier
  assert_not column_exists?(table_name, :supplier_id, :integer)
end

Private Instance Methods

with_polymorphic_column() { || ... } click to toggle source
# File activerecord/test/cases/migration/references_statements_test.rb, line 130
def with_polymorphic_column
  add_column table_name, :supplier_type, :string
  add_index table_name, [:supplier_id, :supplier_type]

  yield
end