models created

app/models/bill.rb

@@ -0,0 +1,2 @@
+class Bill < ActiveRecord::Base
+end

app/models/billitem.rb

@@ -0,0 +1,2 @@
+class Billitem < ActiveRecord::Base
+end

app/models/product.rb

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+class Product < ActiveRecord::Base
+end

db/migrate/20120409031936_create_products.rb

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+class CreateProducts < ActiveRecord::Migration
+  def change
+    create_table :products do |t|
+      t.string :code
+      t.string :product
+      t.integer :price
+      t.integer :quantity
+
+      t.timestamps
+    end
+  end
+end

db/migrate/20120409032044_create_bills.rb

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+class CreateBills < ActiveRecord::Migration
+  def change
+    create_table :bills do |t|
+
+      t.timestamps
+    end
+  end
+end

db/migrate/20120409032327_create_billitems.rb

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+class CreateBillitems < ActiveRecord::Migration
+  def change
+    create_table :billitems do |t|
+      t.integer :bill_id
+      t.integer :product_id
+      t.integer :price
+      t.integer :quant
+
+      t.timestamps
+    end
+  end
+end

test/fixtures/billitems.yml

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+# Read about fixtures at http://api.rubyonrails.org/classes/ActiveRecord/Fixtures.html
+
+one:
+  bill_id: 1
+  product_id: 1
+  price: 1
+  quant: 1
+
+two:
+  bill_id: 1
+  product_id: 1
+  price: 1
+  quant: 1

test/fixtures/bills.yml

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+# Read about fixtures at http://api.rubyonrails.org/classes/ActiveRecord/Fixtures.html
+
+# This model initially had no columns defined.  If you add columns to the
+# model remove the '{}' from the fixture names and add the columns immediately
+# below each fixture, per the syntax in the comments below
+#
+one: {}
+# column: value
+#
+two: {}
+#  column: value

test/fixtures/products.yml

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+# Read about fixtures at http://api.rubyonrails.org/classes/ActiveRecord/Fixtures.html
+
+one:
+  code: MyString
+  product: MyString
+  price: 1
+  quantity: 1
+
+two:
+  code: MyString
+  product: MyString
+  price: 1
+  quantity: 1

test/unit/bill_test.rb

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+require 'test_helper'
+
+class BillTest < ActiveSupport::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end

test/unit/billitem_test.rb

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+require 'test_helper'
+
+class BillitemTest < ActiveSupport::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end

test/unit/product_test.rb

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+require 'test_helper'
+
+class ProductTest < ActiveSupport::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end