From 728fa69839d2c3b839391f9077896c06df80bddf Mon Sep 17 00:00:00 2001
From: Sean Griffin <sean@thoughtbot.com>
Date: Tue, 27 May 2014 10:59:22 -0700
Subject: Move types to the top level `ActiveRecord` namespace

`ActiveRecord::ConnectionAdapters::Type::Value` =>
`ActiveRecord::Type::Value`
---
 activerecord/test/cases/type/type_map_test.rb | 130 ++++++++++++++++++++++++++
 1 file changed, 130 insertions(+)
 create mode 100644 activerecord/test/cases/type/type_map_test.rb

(limited to 'activerecord/test/cases/type/type_map_test.rb')

diff --git a/activerecord/test/cases/type/type_map_test.rb b/activerecord/test/cases/type/type_map_test.rb
new file mode 100644
index 0000000000..4e32f92dd0
--- /dev/null
+++ b/activerecord/test/cases/type/type_map_test.rb
@@ -0,0 +1,130 @@
+require "cases/helper"
+
+module ActiveRecord
+  module Type
+    class TypeMapTest < ActiveRecord::TestCase
+      def test_default_type
+        mapping = TypeMap.new
+
+        assert_kind_of Value, mapping.lookup(:undefined)
+      end
+
+      def test_registering_types
+        boolean = Boolean.new
+        mapping = TypeMap.new
+
+        mapping.register_type(/boolean/i, boolean)
+
+        assert_equal mapping.lookup('boolean'), boolean
+      end
+
+      def test_overriding_registered_types
+        time = Time.new
+        timestamp = DateTime.new
+        mapping = TypeMap.new
+
+        mapping.register_type(/time/i, time)
+        mapping.register_type(/time/i, timestamp)
+
+        assert_equal mapping.lookup('time'), timestamp
+      end
+
+      def test_fuzzy_lookup
+        string = String.new
+        mapping = TypeMap.new
+
+        mapping.register_type(/varchar/i, string)
+
+        assert_equal mapping.lookup('varchar(20)'), string
+      end
+
+      def test_aliasing_types
+        string = String.new
+        mapping = TypeMap.new
+
+        mapping.register_type(/string/i, string)
+        mapping.alias_type(/varchar/i, 'string')
+
+        assert_equal mapping.lookup('varchar'), string
+      end
+
+      def test_changing_type_changes_aliases
+        time = Time.new
+        timestamp = DateTime.new
+        mapping = TypeMap.new
+
+        mapping.register_type(/timestamp/i, time)
+        mapping.alias_type(/datetime/i, 'timestamp')
+        mapping.register_type(/timestamp/i, timestamp)
+
+        assert_equal mapping.lookup('datetime'), timestamp
+      end
+
+      def test_aliases_keep_metadata
+        mapping = TypeMap.new
+
+        mapping.register_type(/decimal/i) { |sql_type| sql_type }
+        mapping.alias_type(/number/i, 'decimal')
+
+        assert_equal mapping.lookup('number(20)'), 'decimal(20)'
+        assert_equal mapping.lookup('number'), 'decimal'
+      end
+
+      def test_register_proc
+        string = String.new
+        binary = Binary.new
+        mapping = TypeMap.new
+
+        mapping.register_type(/varchar/i) do |type|
+          if type.include?('(')
+            string
+          else
+            binary
+          end
+        end
+
+        assert_equal mapping.lookup('varchar(20)'), string
+        assert_equal mapping.lookup('varchar'), binary
+      end
+
+      def test_additional_lookup_args
+        mapping = TypeMap.new
+
+        mapping.register_type(/varchar/i) do |type, limit|
+          if limit > 255
+            'text'
+          else
+            'string'
+          end
+        end
+        mapping.alias_type(/string/i, 'varchar')
+
+        assert_equal mapping.lookup('varchar', 200), 'string'
+        assert_equal mapping.lookup('varchar', 400), 'text'
+        assert_equal mapping.lookup('string', 400), 'text'
+      end
+
+      def test_requires_value_or_block
+        mapping = TypeMap.new
+
+        assert_raises(ArgumentError) do
+          mapping.register_type(/only key/i)
+        end
+      end
+
+      def test_lookup_non_strings
+        mapping = HashLookupTypeMap.new
+
+        mapping.register_type(1, 'string')
+        mapping.register_type(2, 'int')
+        mapping.alias_type(3, 1)
+
+        assert_equal mapping.lookup(1), 'string'
+        assert_equal mapping.lookup(2), 'int'
+        assert_equal mapping.lookup(3), 'string'
+        assert_kind_of Type::Value, mapping.lookup(4)
+      end
+    end
+  end
+end
+
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