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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_nil hash[Name.new("schema", "articles")]
assert_nil hash[Name.new("public", "article_seq")]
end
end
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