pg, extract money tests into separate file.

- Added assertions about the column. Specifically scale.
- Move record insertion from setup into test method.

activerecord/test/cases/adapters/postgresql/datatype_test.rb

@@ -7,9 +7,6 @@ end
 class PostgresqlTsvector < ActiveRecord::Base
 end
 
-class PostgresqlMoney < ActiveRecord::Base
-end
-
 class PostgresqlNumber < ActiveRecord::Base
 end
 
@@ -36,17 +33,11 @@ class PostgresqlDataTypeTest < ActiveRecord::TestCase
 
   def setup
     @connection = ActiveRecord::Base.connection
-    @connection.execute("set lc_monetary = 'C'")
 
     @connection.execute("INSERT INTO postgresql_tsvectors (id, text_vector) VALUES (1, ' ''text'' ''vector'' ')")
 
     @first_tsvector = PostgresqlTsvector.find(1)
 
-    @connection.execute("INSERT INTO postgresql_moneys (id, wealth) VALUES (1, '567.89'::money)")
-    @connection.execute("INSERT INTO postgresql_moneys (id, wealth) VALUES (2, '-567.89'::money)")
-    @first_money = PostgresqlMoney.find(1)
-    @second_money = PostgresqlMoney.find(2)
-
     @connection.execute("INSERT INTO postgresql_numbers (id, single, double) VALUES (1, 123.456, 123456.789)")
     @connection.execute("INSERT INTO postgresql_numbers (id, single, double) VALUES (2, '-Infinity', 'Infinity')")
     @connection.execute("INSERT INTO postgresql_numbers (id, single, double) VALUES (3, 123.456, 'NaN')")
@@ -70,7 +61,7 @@ class PostgresqlDataTypeTest < ActiveRecord::TestCase
   end
 
   teardown do
-    [PostgresqlTsvector, PostgresqlMoney, PostgresqlNumber, PostgresqlTime, PostgresqlNetworkAddress,
+    [PostgresqlTsvector, PostgresqlNumber, PostgresqlTime, PostgresqlNetworkAddress,
      PostgresqlBitString, PostgresqlOid, PostgresqlTimestampWithZone].each(&:delete_all)
   end
 
@@ -78,10 +69,6 @@ class PostgresqlDataTypeTest < ActiveRecord::TestCase
     assert_equal :tsvector, @first_tsvector.column_for_attribute(:text_vector).type
   end
 
-  def test_data_type_of_money_types
-    assert_equal :decimal, @first_money.column_for_attribute(:wealth).type
-  end
-
   def test_data_type_of_number_types
     assert_equal :float, @first_number.column_for_attribute(:single).type
     assert_equal :float, @first_number.column_for_attribute(:double).type
@@ -111,19 +98,6 @@ class PostgresqlDataTypeTest < ActiveRecord::TestCase
     assert_equal "'text' 'vector'", @first_tsvector.text_vector
   end
 
-  def test_money_values
-    assert_equal 567.89, @first_money.wealth
-    assert_equal(-567.89, @second_money.wealth)
-  end
-
-  def test_money_type_cast
-    column = PostgresqlMoney.columns_hash['wealth']
-    assert_equal(12345678.12, column.type_cast("$12,345,678.12"))
-    assert_equal(12345678.12, column.type_cast("$12.345.678,12"))
-    assert_equal(-1.15, column.type_cast("-$1.15"))
-    assert_equal(-2.25, column.type_cast("($2.25)"))
-  end
-
   def test_update_tsvector
     new_text_vector = "'new' 'text' 'vector'"
     @first_tsvector.text_vector = new_text_vector
@@ -166,14 +140,6 @@ class PostgresqlDataTypeTest < ActiveRecord::TestCase
     assert_equal 1234, @first_oid.obj_id
   end
 
-  def test_update_money
-    new_value = BigDecimal.new('123.45')
-    @first_money.wealth = new_value
-    assert @first_money.save
-    assert @first_money.reload
-    assert_equal new_value, @first_money.wealth
-  end
-
   def test_update_number
     new_single = 789.012
     new_double = 789012.345

activerecord/test/cases/adapters/postgresql/money_test.rb

@@ -0,0 +1,54 @@
+# encoding: utf-8
+
+require "cases/helper"
+require 'active_record/base'
+require 'active_record/connection_adapters/postgresql_adapter'
+
+class PostgresqlByteaTest < ActiveRecord::TestCase
+  class PostgresqlMoney < ActiveRecord::Base; end
+
+  setup do
+    @connection = ActiveRecord::Base.connection
+    @connection.execute("set lc_monetary = 'C'")
+  end
+
+  def test_column
+    column = PostgresqlMoney.columns_hash["wealth"]
+    assert_equal :decimal, column.type
+    assert_equal "money", column.sql_type
+    assert_equal 2, column.scale
+    assert column.number?
+    assert_not column.text?
+    assert_not column.binary?
+    assert_not column.array
+  end
+
+  def test_money_values
+    @connection.execute("INSERT INTO postgresql_moneys (id, wealth) VALUES (1, '567.89'::money)")
+    @connection.execute("INSERT INTO postgresql_moneys (id, wealth) VALUES (2, '-567.89'::money)")
+
+    first_money = PostgresqlMoney.find(1)
+    second_money = PostgresqlMoney.find(2)
+    assert_equal 567.89, first_money.wealth
+    assert_equal(-567.89, second_money.wealth)
+  end
+
+  def test_money_type_cast
+    column = PostgresqlMoney.columns_hash['wealth']
+    assert_equal(12345678.12, column.type_cast("$12,345,678.12"))
+    assert_equal(12345678.12, column.type_cast("$12.345.678,12"))
+    assert_equal(-1.15, column.type_cast("-$1.15"))
+    assert_equal(-2.25, column.type_cast("($2.25)"))
+  end
+
+  def test_create_and_update_money
+    money = PostgresqlMoney.create(wealth: "987.65")
+    assert_equal 987.65, money.wealth
+
+    new_value = BigDecimal.new('123.45')
+    money.wealth = new_value
+    money.save!
+    money.reload
+    assert_equal new_value, money.wealth
+  end
+end