require "cases/helper" require "active_record/connection_adapters/postgresql/utils" class PostgreSQLUtilsTest < ActiveRecord::PostgreSQLTestCase Name = ActiveRecord::ConnectionAdapters::PostgreSQL::Name include ActiveRecord::ConnectionAdapters::PostgreSQL::Utils def test_extract_schema_qualified_name { %(table_name) => [nil,"table_name"], %("table.name") => [nil,"table.name"], %(schema.table_name) => %w{schema table_name}, %("schema".table_name) => %w{schema table_name}, %(schema."table_name") => %w{schema table_name}, %("schema"."table_name") => %w{schema table_name}, %("even spaces".table) => ["even spaces","table"], %(schema."table.name") => ["schema", "table.name"] }.each do |given, expect| assert_equal Name.new(*expect), extract_schema_qualified_name(given) end end end class PostgreSQLNameTest < ActiveRecord::PostgreSQLTestCase Name = ActiveRecord::ConnectionAdapters::PostgreSQL::Name test "represents itself as schema.name" do obj = Name.new("public", "articles") assert_equal "public.articles", obj.to_s end test "without schema, represents itself as name only" do obj = Name.new(nil, "articles") assert_equal "articles", obj.to_s end test "quoted returns a string representation usable in a query" do assert_equal %("articles"), Name.new(nil, "articles").quoted assert_equal %("public"."articles"), Name.new("public", "articles").quoted end test "prevents double quoting" do name = Name.new('"quoted_schema"', '"quoted_table"') assert_equal "quoted_schema.quoted_table", name.to_s assert_equal %("quoted_schema"."quoted_table"), name.quoted end test "equality based on state" do assert_equal Name.new("access", "users"), Name.new("access", "users") assert_equal Name.new(nil, "users"), Name.new(nil, "users") assert_not_equal Name.new(nil, "users"), Name.new("access", "users") assert_not_equal Name.new("access", "users"), Name.new("public", "users") assert_not_equal Name.new("public", "users"), Name.new("public", "articles") end test "can be used as hash key" do hash = {Name.new("schema", "article_seq") => "success"} assert_equal "success", hash[Name.new("schema", "article_seq")] assert_equal nil, hash[Name.new("schema", "articles")] assert_equal nil, hash[Name.new("public", "article_seq")] end end