US24 Unique family spouses

Bad_GEDCOM_test_data.ged

@@ -584,3 +584,16 @@
 1 WIFE @I65@
 1 MARR
 2 DATE 11 FEB 1980
+0 NOTE US24, the following families are duplicates of previous families
+0 @F22@ FAM
+1 HUSB @I57@
+1 WIFE @I65@
+1 MARR
+2 DATE 11 FEB 1980
+0 @F23@ FAM
+1 HUSB @I21@
+1 WIFE @I22@
+1 MARR
+2 DATE 15 MAR 2045
+1 DIV
+2 DATE 3 JAN 2049

GedcomProject.py

@@ -172,6 +172,7 @@ def __init__(self, ind_dict, fam_dict, errors, print_errors):
         self.too_many_siblings() #US15
         self.no_marriage_to_descendants()
         self.unique_names_and_bdays() #US23
+        self.unique_spouses_in_family() #US24
 
         if print_errors == True:
             self.print_errors()
@@ -369,7 +370,6 @@ def sibling_spacing(self):
                         self.all_errors += ["US13: Siblings {} and {}'s births are only ".format(child1.name, child2.name) + str(daysApart) + " days apart"]
 
 
-
     def too_many_births(self):
         """US14: Makes sure that no more than five siblings should be born at the same time"""
         for fam in self.family.values():
@@ -422,6 +422,19 @@ def unique_names_and_bdays(self):
             else:
                 names_and_bdays += [(person.name, person.birt)]
 
+    def unique_spouses_in_family(self):
+        """US24: Checks to see if only one family has spouses with the same names 
+            and marriage dates. Will indicate if there is more than one family with same spouses
+            and marriage date"""
+        unique_families = [] # input in the form (husband name, wife name, marriage date)
+        for family in self.family.values():
+            husb_name = self.individuals[family.husb].name
+            wife_name = self.individuals[family.wife].name
+            if (husb_name, wife_name, family.marr) in unique_families:
+                self.all_errors += ["US24: The family with spouses {} and {} married on {} occurs more than once in the GEDCOM file.".format(husb_name, wife_name, family.marr)]
+            else:
+                unique_families += [(husb_name, wife_name, family.marr)]
+
     def add_errors_if_new(self, error):
         """This method is here to add errors to the error list if they do not occur, in order to ensure no duplicates.
             Some user stories may flag duplicate errors and this method eliminates the issue."""

Unit_Test_Proj.py

@@ -159,5 +159,15 @@ def test_unique_names_and_bdays(self):
         for error in list_of_known_errors:
             self.assertIn(error, self.all_errors)
 
+    def test_unique_spouses_in_family(self):
+        """US24: Tests to ensure that there are no duplicate family entries, with the same
+            spouses (by name) and marriage dates"""
+        list_of_known_errors = [
+            "US24: The family with spouses Future /Trunks/ and Mai /Trunks/ married on 2045-03-15 occurs more than once in the GEDCOM file.",
+            "US24: The family with spouses John /Leffe/ and Ava /Leffe/ married on 1980-02-11 occurs more than once in the GEDCOM file."            
+            ]
+        for error in list_of_known_errors:
+            self.assertIn(error, self.all_errors)
+
 if __name__ == '__main__':
     unittest.main(exit=False, verbosity=2)