[ADD]test case for computation of price margin.

bzr revid: dka@tinyerp.com-20131028053025-4h9ftnaqtmbzp2yl

addons/product/__openerp__.py

@@ -62,6 +62,7 @@ Print product labels with barcode.
         'product_pricelist_demo.yml',
         'test/product_uom.yml',
         'test/product_pricelist.yml',
+        'test/compute_price_margin.yml',
     ],
     'installable': True,
     'auto_install': False,

addons/product/test/compute_price_margin.yml

@@ -0,0 +1,25 @@
+-
+  I create a Product Template.
+-
+  !record {model: product.template, id: product_template_test1}:
+    name: Tablate PC
+    type: service
+    categ_id: product_category_8
+    uom_id: product_uom_unit
+    uom_po_id: product_uom_unit
+-
+  I create product variant, set price margin and price extra.
+-
+  !record {model: product.product, id: product_product_test1}:
+    product_tmpl_id: product_template_test1
+    standard_price: 10.0
+    list_price: 20.0
+    variants: 2GB, Wi-Fi , 6in
+    price_margin: 10.0
+    price_extra: 20.0
+-
+  I check that the sale price of product is equal to (20 + ((20 * 10) / 100)) + 20.
+-
+  !python {model: product.product}: |
+    product = self.browse(cr, uid, ref("product_product_test1"))
+    assert product.lst_price == (20 + ((20 * 10) / 100)) + 20, "Sell price is not correspond."