diff options
Diffstat (limited to 'activerecord/test/cases/migration/index_test.rb')
| -rw-r--r-- | activerecord/test/cases/migration/index_test.rb | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/activerecord/test/cases/migration/index_test.rb b/activerecord/test/cases/migration/index_test.rb new file mode 100644 index 0000000000..dd9492924c --- /dev/null +++ b/activerecord/test/cases/migration/index_test.rb @@ -0,0 +1,185 @@ +require 'cases/helper' + +module ActiveRecord + class Migration + class IndexTest < ActiveRecord::TestCase + attr_reader :connection, :table_name + + def setup + super + @connection = ActiveRecord::Base.connection + @table_name = :testings + + connection.create_table table_name do |t| + t.column :foo, :string, :limit => 100 + t.column :bar, :string, :limit => 100 + + t.string :first_name + t.string :last_name, :limit => 100 + t.string :key, :limit => 100 + t.boolean :administrator + end + end + + def teardown + super + connection.drop_table :testings rescue nil + ActiveRecord::Base.primary_key_prefix_type = nil + end + + def test_rename_index + skip "not supported on openbase" if current_adapter?(:OpenBaseAdapter) + + # keep the names short to make Oracle and similar behave + connection.add_index(table_name, [:foo], :name => 'old_idx') + connection.rename_index(table_name, 'old_idx', 'new_idx') + + # if the adapter doesn't support the indexes call, pick defaults that let the test pass + refute connection.index_name_exists?(table_name, 'old_idx', false) + assert connection.index_name_exists?(table_name, 'new_idx', true) + end + + def test_double_add_index + skip "not supported on openbase" if current_adapter?(:OpenBaseAdapter) + + connection.add_index(table_name, [:foo], :name => 'some_idx') + assert_raises(ArgumentError) { + connection.add_index(table_name, [:foo], :name => 'some_idx') + } + end + + def test_remove_nonexistent_index + skip "not supported on openbase" if current_adapter?(:OpenBaseAdapter) + + # we do this by name, so OpenBase is a wash as noted above + assert_raise(ArgumentError) { connection.remove_index(table_name, "no_such_index") } + end + + def test_add_index_name_length_limit + good_index_name = 'x' * connection.index_name_length + too_long_index_name = good_index_name + 'x' + + assert_raises(ArgumentError) { + connection.add_index(table_name, "foo", :name => too_long_index_name) + } + + refute connection.index_name_exists?(table_name, too_long_index_name, false) + connection.add_index(table_name, "foo", :name => good_index_name) + + assert connection.index_name_exists?(table_name, good_index_name, false) + connection.remove_index(table_name, :name => good_index_name) + end + + def test_index_symbol_names + connection.add_index table_name, :foo, :name => :symbol_index_name + assert connection.index_exists?(table_name, :foo, :name => :symbol_index_name) + + connection.remove_index table_name, :name => :symbol_index_name + refute connection.index_exists?(table_name, :foo, :name => :symbol_index_name) + end + + def test_index_exists + connection.add_index :testings, :foo + + assert connection.index_exists?(:testings, :foo) + assert !connection.index_exists?(:testings, :bar) + end + + def test_index_exists_on_multiple_columns + connection.add_index :testings, [:foo, :bar] + + assert connection.index_exists?(:testings, [:foo, :bar]) + end + + def test_unique_index_exists + connection.add_index :testings, :foo, :unique => true + + assert connection.index_exists?(:testings, :foo, :unique => true) + end + + def test_named_index_exists + connection.add_index :testings, :foo, :name => "custom_index_name" + + assert connection.index_exists?(:testings, :foo, :name => "custom_index_name") + end + + def test_add_index_attribute_length_limit + connection.add_index :testings, [:foo, :bar], :length => {:foo => 10, :bar => nil} + + assert connection.index_exists?(:testings, [:foo, :bar]) + end + + def test_add_index + connection.add_index("testings", "last_name") + connection.remove_index("testings", "last_name") + + # Orcl nds shrt indx nms. Sybs 2. + # OpenBase does not have named indexes. You must specify a single column name + unless current_adapter?(:SybaseAdapter, :OpenBaseAdapter) + connection.add_index("testings", ["last_name", "first_name"]) + connection.remove_index("testings", :column => ["last_name", "first_name"]) + + # Oracle adapter cannot have specified index name larger than 30 characters + # Oracle adapter is shortening index name when just column list is given + unless current_adapter?(:OracleAdapter) + connection.add_index("testings", ["last_name", "first_name"]) + connection.remove_index("testings", :name => :index_testings_on_last_name_and_first_name) + connection.add_index("testings", ["last_name", "first_name"]) + connection.remove_index("testings", "last_name_and_first_name") + end + connection.add_index("testings", ["last_name", "first_name"]) + connection.remove_index("testings", ["last_name", "first_name"]) + + connection.add_index("testings", ["last_name"], :length => 10) + connection.remove_index("testings", "last_name") + + connection.add_index("testings", ["last_name"], :length => {:last_name => 10}) + connection.remove_index("testings", ["last_name"]) + + connection.add_index("testings", ["last_name", "first_name"], :length => 10) + connection.remove_index("testings", ["last_name", "first_name"]) + + connection.add_index("testings", ["last_name", "first_name"], :length => {:last_name => 10, :first_name => 20}) + connection.remove_index("testings", ["last_name", "first_name"]) + end + + # quoting + # Note: changed index name from "key" to "key_idx" since "key" is a Firebird reserved word + # OpenBase does not have named indexes. You must specify a single column name + unless current_adapter?(:OpenBaseAdapter) + connection.add_index("testings", ["key"], :name => "key_idx", :unique => true) + connection.remove_index("testings", :name => "key_idx", :unique => true) + end + + # Sybase adapter does not support indexes on :boolean columns + # OpenBase does not have named indexes. You must specify a single column + unless current_adapter?(:SybaseAdapter, :OpenBaseAdapter) + connection.add_index("testings", %w(last_name first_name administrator), :name => "named_admin") + connection.remove_index("testings", :name => "named_admin") + end + + # Selected adapters support index sort order + if current_adapter?(:SQLite3Adapter, :MysqlAdapter, :Mysql2Adapter, :PostgreSQLAdapter) + connection.add_index("testings", ["last_name"], :order => {:last_name => :desc}) + connection.remove_index("testings", ["last_name"]) + connection.add_index("testings", ["last_name", "first_name"], :order => {:last_name => :desc}) + connection.remove_index("testings", ["last_name", "first_name"]) + connection.add_index("testings", ["last_name", "first_name"], :order => {:last_name => :desc, :first_name => :asc}) + connection.remove_index("testings", ["last_name", "first_name"]) + connection.add_index("testings", ["last_name", "first_name"], :order => :desc) + connection.remove_index("testings", ["last_name", "first_name"]) + end + end + + def test_add_partial_index + skip 'only on pg' unless current_adapter?(:PostgreSQLAdapter) + + connection.add_index("testings", "last_name", :where => "first_name = 'john doe'") + assert connection.index_exists?("testings", "last_name") + + connection.remove_index("testings", "last_name") + assert !connection.index_exists?("testings", "last_name") + end + end + end +end |