fix: evaluation cashbook-currentvalue/diff return 'balance' on non-asset-cashbooks

investment.py

@@ -119,6 +119,8 @@ class InvestmentLine(metaclass=PoolMeta):
                 return self.convert_to_evalcurrency(
                         self.cashbook.currency,
                         self.cashbook.diff_amount)
+            else :
+                return Decimal('0.0')
 
     def get_value_cashbooks_glvalue(self):
         """ current value of cashbooks
@@ -130,6 +132,10 @@ class InvestmentLine(metaclass=PoolMeta):
                 return self.convert_to_evalcurrency(
                         self.cashbook.currency,
                         self.cashbook.current_value)
+            else :
+                return self.convert_to_evalcurrency(
+                        self.cashbook.currency,
+                        self.cashbook.balance_ref)
 
     def get_value_cashbooks_glperc(self):
         """ percent of profit/loss of cashbooks
@@ -137,5 +143,7 @@ class InvestmentLine(metaclass=PoolMeta):
         if self.cashbook:
             if self.cashbook.feature == 'asset':
                 return self.cashbook.diff_percent
+            else :
+                return Decimal('0.0')
 
 # end InvestmentLine

tests/test_report.py

@@ -3,7 +3,7 @@
 # The COPYRIGHT file at the top level of this repository contains the
 # full copyright notices and license terms.
 
-from trytond.tests.test_tryton import ModuleTestCase, with_transaction
+from trytond.tests.test_tryton import ModuleTestCase, with_transaction, activate_module
 from trytond.pool import Pool
 from trytond.transaction import Transaction
 from trytond.exceptions import UserError
@@ -16,6 +16,13 @@ class ReportTestCase(CashbookTestCase):
     'Test cashbook book report module'
     module = 'cashbook_report'
 
+    @classmethod
+    def setUpClass(cls):
+        """ add modelues
+        """
+        super(ReportTestCase, cls).setUpClass()
+        activate_module(['dashboard', 'cashbook_investment'])
+
     def prep_report_3books(self):
         """ create 3x cashbooks, add bookings,
         """