text: # -*- coding: utf-8 -*-
  # Part of Odoo. See LICENSE file for full copyright and licensing details.
  
  from odoo.tests.common import TransactionCase
  from odoo.exceptions import ValidationError
  
  
  class TestUom(TransactionCase):
  
      def setUp(self):
          super(TestUom, self).setUp()
          self.uom_gram = self.env.ref('uom.product_uom_gram')
          self.uom_kgm = self.env.ref('uom.product_uom_kgm')
          self.uom_ton = self.env.ref('uom.product_uom_ton')
          self.uom_unit = self.env.ref('uom.product_uom_unit')
          self.uom_dozen = self.env.ref('uom.product_uom_dozen')
          self.categ_unit_id = self.ref('uom.product_uom_categ_unit')
  
      def test_10_conversion(self):
          qty = self.uom_gram._compute_quantity(1020000, self.uom_ton)
          self.assertEquals(qty, 1.02, "Converted quantity does not correspond.")
  
          price = self.uom_gram._compute_price(2, self.uom_ton)
          self.assertEquals(price, 2000000.0, "Converted price does not correspond.")
  
          # If the conversion factor for Dozens (1/12) is not stored with sufficient precision,
          # the conversion of 1 Dozen into Units will give e.g. 12.00000000000047 Units
          # and the Unit rounding will round that up to 13.
          # This is a partial regression test for rev. 311c77bb, which is further improved
          # by rev. fa2f7b86.
          qty = self.uom_dozen._compute_quantity(1, self.uom_unit)
          self.assertEquals(qty, 12.0, "Converted quantity does not correspond.")
  
          # Regression test for side-effect of commit 311c77bb - converting 1234 Grams
          # into Kilograms should work even if grams are rounded to 1.
          self.uom_gram.write({'rounding': 1})
          qty = self.uom_gram._compute_quantity(1234, self.uom_kgm)
          self.assertEquals(qty, 1.234, "Converted quantity does not correspond.")
  
      def test_20_rounding(self):
          product_uom = self.env['uom.uom'].create({
              'name': 'Score',
              'factor_inv': 20,
              'uom_type': 'bigger',
              'rounding': 1.0,
              'category_id': self.categ_unit_id
          })
  
          qty = self.uom_unit._compute_quantity(2, product_uom)
          self.assertEquals(qty, 1, "Converted quantity should be rounded up.")
  
      def test_30_reference_uniqueness(self):
          """ Check the uniqueness of the reference UoM in a category """
          time_category = self.env['uom.category'].search([('measure_type', '=', 'working_time')], limit=1)
  
          with self.assertRaises(ValidationError):
              self.env['uom.uom'].create({
                  'name': 'Second Time Reference',
                  'factor_inv': 1,
                  'uom_type': 'reference',
                  'rounding': 1.0,
                  'category_id': time_category.id
              })
  
      def test_31_reference_uniqueness(self):
          """ Check the uniqueness of the reference UoM in a category """
          time_category = self.env['uom.category'].search([('measure_type', '=', 'working_time')], limit=1)
          with self.assertRaises(ValidationError):
              self.env['uom.uom'].search([('measure_type', '=', 'unit'), ('uom_type', '=', 'reference')]).category_id = time_category
  
      def test_40_custom_uom(self):
          """ A custom UoM is an UoM in a category without measurement type. It should behave like a normal UoM """
          category = self.env['uom.category'].create({
              'name': 'Custom UoM category',
          })
  
          # at first we can not create a non reference in custom category
          with self.assertRaises(ValidationError):
              self.env['uom.uom'].create({
                  'name': 'Bigger UoM of my category',
                  'factor_inv': 42,
                  'uom_type': 'bigger',
                  'rounding': 0.5,
                  'category_id': category.id
              })
  
          # create the reference
          self.env['uom.uom'].create({
              'name': 'Reference UoM of my category',
              'factor_inv': 1,
              'uom_type': 'reference',
              'rounding': 1.0,
              'category_id': category.id
          })
  
          # we can create another UoM now
          self.env['uom.uom'].create({
              'name': 'Bigger UoM of my category',
              'factor_inv': 42,
              'uom_type': 'bigger',
              'rounding': 0.5,
              'category_id': category.id
          })
  
          # we can not create a second reference in custom category
          with self.assertRaises(ValidationError):
              self.env['uom.uom'].create({
                  'name': 'Second Time Reference',
                  'factor_inv': 1,
                  'uom_type': 'reference',
                  'rounding': 1.0,
                  'category_id': category.id
              })
  