From ec6eee5db0994f92ac2c3c6d2a922c6edd35b2b1 Mon Sep 17 00:00:00 2001
From: Yves Senn <yves.senn@gmail.com>
Date: Tue, 9 Sep 2014 12:00:01 +0200
Subject: [PATCH] add test-cases for primary-key-less-views. Closes #16555.

---
 activerecord/test/cases/view_test.rb | 43 ++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)

diff --git a/activerecord/test/cases/view_test.rb b/activerecord/test/cases/view_test.rb
index b79dd03676..2f23d12de5 100644
--- a/activerecord/test/cases/view_test.rb
+++ b/activerecord/test/cases/view_test.rb
@@ -37,5 +37,48 @@ class ViewWithPrimaryKeyTest < ActiveRecord::TestCase
                   ["name", :string],
                   ["status", :integer]], Ebook.columns.map { |c| [c.name, c.type] })
   end
+
+  def test_attributes
+    assert_equal({"id" => 2, "name" => "Ruby for Rails", "status" => 0},
+                 Ebook.first.attributes)
+  end
+end
+
+class ViewWithoutPrimaryKeyTest < ActiveRecord::TestCase
+  fixtures :books
+
+  class Paperback < ActiveRecord::Base; end
+
+  setup do
+    @connection = ActiveRecord::Base.connection
+    @connection.execute <<-SQL
+      CREATE VIEW paperbacks
+        AS SELECT name, status FROM books WHERE format = 'paperback'
+    SQL
+  end
+
+  teardown do
+    @connection.execute "DROP VIEW IF EXISTS paperbacks"
+  end
+
+  def test_reading
+    books = Paperback.all
+    assert_equal ["Agile Web Development with Rails"], books.map(&:name)
+  end
+
+  def test_table_exists
+    view_name = Paperback.table_name
+    assert @connection.table_exists?(view_name), "'#{view_name}' table should exist"
+  end
+
+  def test_column_definitions
+    assert_equal([["name", :string],
+                  ["status", :integer]], Paperback.columns.map { |c| [c.name, c.type] })
+  end
+
+  def test_attributes
+    assert_equal({"name" => "Agile Web Development with Rails", "status" => 0},
+                 Paperback.first.attributes)
+  end
 end
 end