tests, extract pg number tests into separate file.

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

@@ -2,9 +2,6 @@
 require 'support/ddl_helper'
 
 
-class PostgresqlNumber < ActiveRecord::Base
-end
-
 class PostgresqlTime < ActiveRecord::Base
 end
 
@@ -20,13 +17,6 @@ class PostgresqlDataTypeTest < ActiveRecord::TestCase
   def setup
     @connection = ActiveRecord::Base.connection
 
-    @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')")
-    @first_number = PostgresqlNumber.find(1)
-    @second_number = PostgresqlNumber.find(2)
-    @third_number = PostgresqlNumber.find(3)
-
     @connection.execute("INSERT INTO postgresql_times (id, time_interval, scaled_time_interval) VALUES (1, '1 year 2 days ago', '3 weeks ago')")
     @first_time = PostgresqlTime.find(1)
 
@@ -35,12 +25,7 @@ def setup
   end
 
   teardown do
-    [PostgresqlNumber, PostgresqlTime, PostgresqlOid].each(&:delete_all)
-  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
+    [PostgresqlTime, PostgresqlOid].each(&:delete_all)
   end
 
   def test_data_type_of_time_types
@@ -52,14 +37,6 @@ def test_data_type_of_oid_types
     assert_equal :integer, @first_oid.column_for_attribute(:obj_id).type
   end
 
-  def test_number_values
-    assert_equal 123.456, @first_number.single
-    assert_equal 123456.789, @first_number.double
-    assert_equal(-::Float::INFINITY, @second_number.single)
-    assert_equal ::Float::INFINITY, @second_number.double
-    assert_same ::Float::NAN, @third_number.double
-  end
-
   def test_time_values
     assert_equal '-1 years -2 days', @first_time.time_interval
     assert_equal '-21 days', @first_time.scaled_time_interval
@@ -69,17 +46,6 @@ def test_oid_values
     assert_equal 1234, @first_oid.obj_id
   end
 
-  def test_update_number
-    new_single = 789.012
-    new_double = 789012.345
-    @first_number.single = new_single
-    @first_number.double = new_double
-    assert @first_number.save
-    assert @first_number.reload
-    assert_equal new_single, @first_number.single
-    assert_equal new_double, @first_number.double
-  end
-
   def test_update_time
     @first_time.time_interval = '2 years 3 minutes'
     assert @first_time.save

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

+require "cases/helper"
+
+class PostgresqlNumberTest < ActiveRecord::TestCase
+  class PostgresqlNumber < ActiveRecord::Base; end
+
+  setup do
+    @connection = ActiveRecord::Base.connection
+    @connection.create_table('postgresql_numbers') do |t|
+      t.column 'single', 'REAL'
+      t.column 'double', 'DOUBLE PRECISION'
+    end
+  end
+
+  teardown do
+    @connection.execute 'DROP TABLE IF EXISTS postgresql_numbers'
+  end
+
+  def test_data_type
+    assert_equal :float, PostgresqlNumber.columns_hash["single"].type
+    assert_equal :float, PostgresqlNumber.columns_hash["double"].type
+  end
+
+  def test_values
+    @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')")
+
+    first, second, third = PostgresqlNumber.find(1, 2, 3)
+
+    assert_equal 123.456, first.single
+    assert_equal 123456.789, first.double
+    assert_equal(-::Float::INFINITY, second.single)
+    assert_equal ::Float::INFINITY, second.double
+    assert_same ::Float::NAN, third.double
+  end
+
+  def test_update
+    record = PostgresqlNumber.create! single: "123.456", double: "123456.789"
+    new_single = 789.012
+    new_double = 789012.345
+    record.single = new_single
+    record.double = new_double
+    record.save!
+
+    record.reload
+    assert_equal new_single, record.single
+    assert_equal new_double, record.double
+  end
+end

activerecord/test/schema/postgresql_specific_schema.rb

 ActiveRecord::Schema.define do
 
-  %w(postgresql_arrays postgresql_numbers postgresql_times
+  %w(postgresql_arrays postgresql_times
       postgresql_oids defaults postgresql_timestamp_with_zones
       postgresql_partitioned_table postgresql_partitioned_table_parent).each do |table_name|
     execute "DROP TABLE IF EXISTS #{quote_table_name table_name}"
@@ -51,14 +51,6 @@
   );
 _SQL
 
-  execute <<_SQL
-  CREATE TABLE postgresql_numbers (
-    id SERIAL PRIMARY KEY,
-    single REAL,
-    double DOUBLE PRECISION
-  );
-_SQL
-
   execute <<_SQL
   CREATE TABLE postgresql_times (
     id SERIAL PRIMARY KEY,