Add test coverage for customized primary keys including a failing test for #2444.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@2540 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

activerecord/test/fixtures/db_definitions/db2.drop.sql

@@ -24,4 +24,4 @@ DROP TABLE categories;
 DROP TABLE categories_posts;
 DROP TABLE fk_test_has_pk;
 DROP TABLE fk_test_has_fk;
-
+DROP TABLE keyboards;

activerecord/test/fixtures/db_definitions/db2.sql

@@ -179,6 +179,11 @@ CREATE TABLE categories_posts (
   post_id int NOT NULL
 );
 
+CREATE TABLE keyboards (
+  key_number int generated by default as identity (start with +10000),
+  name VARCHAR(255)
+);
+
 CREATE TABLE fk_test_has_pk (
   id INTEGER NOT NULL PRIMARY KEY
 );

activerecord/test/fixtures/db_definitions/mysql.drop.sql

@@ -24,3 +24,4 @@ DROP TABLE categories;
 DROP TABLE categories_posts;
 DROP TABLE fk_test_has_fk;
 DROP TABLE fk_test_has_pk;
+DROP TABLE keyboards;

activerecord/test/fixtures/db_definitions/mysql.sql

@@ -191,3 +191,9 @@ CREATE TABLE `fk_test_has_fk` (
 
   FOREIGN KEY (`fk_id`) REFERENCES `fk_test_has_pk`(`id`)
 ) TYPE=InnoDB;
+
+
+CREATE TABLE `keyboards` (
+  `key_number` int(11) NOT NULL auto_increment primary key,
+  `name` varchar(50) default NULL
+);

activerecord/test/fixtures/db_definitions/oci.drop.sql

@@ -25,6 +25,7 @@ drop table categories;
 drop table posts;
 drop table fk_test_has_pk;
 drop table fk_test_has_fk;
+drop table keyboards;
 drop sequence accounts_seq;
 drop sequence companies_nonstd_seq;
 drop sequence topics_seq;
@@ -51,3 +52,4 @@ drop sequence categories_seq;
 drop sequence categories_posts_seq;
 drop sequence fk_test_has_pk_seq;
 drop sequence fk_test_has_fk_seq;
+drop sequence keyboards_seq;

activerecord/test/fixtures/db_definitions/oci.sql

@@ -254,3 +254,8 @@ create table fk_test_has_fk (
   fk_id integer not null references fk_test_has_fk initially deferred disable
 );
 create sequence fk_test_has_fk_seq minvalue 10000;
+
+create table keyboards (
+  key_number integer not null,
+  name varchar(50) default null
+);

activerecord/test/fixtures/db_definitions/postgresql.drop.sql

@@ -26,3 +26,4 @@ DROP TABLE defaults;
 DROP TABLE fk_test_has_fk;
 DROP TABLE fk_test_has_pk;
 DROP TABLE geometrics;
+DROP TABLE keyboards;

activerecord/test/fixtures/db_definitions/postgresql.sql

@@ -218,3 +218,8 @@ CREATE TABLE geometrics (
   a_polygon polygon,
   a_circle circle
 );
+
+CREATE TABLE keyboards (
+  key_number serial primary key,
+  "name" character varying(50)
+);

activerecord/test/fixtures/db_definitions/sqlite.drop.sql

@@ -24,3 +24,4 @@ DROP TABLE categories;
 DROP TABLE categories_posts;
 DROP TABLE fk_test_has_fk;
 DROP TABLE fk_test_has_pk;
+DROP TABLE keyboards;

activerecord/test/fixtures/db_definitions/sqlite.sql

@@ -176,3 +176,8 @@ CREATE TABLE 'fk_test_has_fk' (
 
   FOREIGN KEY ('fk_id') REFERENCES 'fk_test_has_pk'('id')
 );
+
+CREATE TABLE 'keyboards' (
+  'key_number' INTEGER PRIMARY KEY NOT NULL,
+  'name' VARCHAR(255) DEFAULT NULL
+);

activerecord/test/fixtures/db_definitions/sqlserver.drop.sql

@@ -24,3 +24,4 @@ DROP TABLE categories;
 DROP TABLE categories_posts;
 DROP TABLE fk_test_has_pd;
 DROP TABLE fk_test_has_fk;
+DROP TABLE keyboards;

activerecord/test/fixtures/db_definitions/sqlserver.sql

@@ -176,3 +176,8 @@ CREATE TABLE fk_test_has_fk (
 
   FOREIGN KEY (fk_id) REFERENCES fk_test_has_pk(id)
 );
+
+CREATE TABLE keyboards (
+  key_number int NOT NULL IDENTITY(1, 1) PRIMARY KEY,
+  name varchar(50) default NULL
+);

activerecord/test/fixtures/keyboard.rb

@@ -0,0 +1,3 @@
+class Keyboard < ActiveRecord::Base
+  set_primary_key 'key_number'
+end

activerecord/test/fixtures/subscriber.rb

@@ -1,8 +1,6 @@
 class Subscriber < ActiveRecord::Base
-  def self.primary_key
-    "nick"
-  end
+  set_primary_key 'nick'
 end
 
 class SpecialSubscriber < Subscriber
-end
+end

activerecord/test/inheritance_test.rb

@@ -127,7 +127,7 @@ class InheritanceTest < Test::Unit::TestCase
 
   def test_inheritance_without_mapping
     assert_kind_of SpecialSubscriber, SpecialSubscriber.find("webster132")
-    assert_nothing_raised { SpecialSubscriber.create("name" => "And breaaaaathe!", "id" => "smartass") }
+    assert_nothing_raised { s = SpecialSubscriber.new("name" => "And breaaaaathe!"); s.id = 'roger'; s.save }
   end
 
   private

activerecord/test/pk_test.rb

@@ -2,6 +2,7 @@ require 'abstract_unit'
 require 'fixtures/topic'
 require 'fixtures/subscriber'
 require 'fixtures/movie'
+require 'fixtures/keyboard'
 
 class PrimaryKeysTest < Test::Unit::TestCase
   fixtures :topics, :subscribers, :movies
@@ -22,6 +23,26 @@ class PrimaryKeysTest < Test::Unit::TestCase
     assert_equal("New Topic", topicReloaded.title)
   end
 
+  def test_customized_primary_key_auto_assigns_on_save
+    keyboard = Keyboard.new(:name => 'HHKB')
+    assert_nothing_raised { keyboard.save }
+    assert keyboard.id
+    assert_equal keyboard.id, Keyboard.find_by_name('HHKB').id
+  end
+
+  def test_customized_primary_key_can_be_set_before_saving
+    keyboard = Keyboard.new
+    assert_respond_to(keyboard, :key_number)
+    assert_nothing_raised { keyboard.key_number = 1 }
+  end
+
+  def test_customized_string_primary_key_settable_before_save
+    subscriber = Subscriber.new
+    assert_nothing_raised { subscriber.id = 'webster123' }
+    assert_equal 'webster123', subscriber.id
+    assert_equal 'webster123', subscriber.nick
+  end
+
   def test_string_key
     subscriber = Subscriber.find(subscribers(:first).nick)
     assert_equal(subscribers(:first).name, subscriber.name)