validates the item purchase fields for diapers,

adult incontinence, period, other as >= 0, added
tests

Author: jahuang415

app/models/purchase.rb

@@ -56,6 +56,11 @@ class Purchase < ApplicationRecord
   validates :amount_spent_in_cents, numericality: { greater_than: 0 }
   validate :total_equal_to_all_categories
 
+  validates :amount_spent_on_diapers_cents, numericality: { greater_than_or_equal_to: 0 }
+  validates :amount_spent_on_adult_incontinence_cents, numericality: { greater_than_or_equal_to: 0 }
+  validates :amount_spent_on_period_supplies_cents, numericality: { greater_than_or_equal_to: 0 }
+  validates :amount_spent_on_other_cents, numericality: { greater_than_or_equal_to: 0 }
+
   SummaryByDates = Data.define(
     :amount_spent,
     :recent_purchases,

spec/models/purchase_spec.rb

@@ -54,6 +54,29 @@
       expect(d).to be_valid
     end
 
+    # re 5059-non-negative-purchase_value, adding in amount_spent_on_period_supplies_cents to test.
+    # also adding in amount_spend_on_incontinence_cents because it was missing.
+
+    it "is not valid if any category negative" do
+      d = build(:purchase, amount_spent_on_diapers_cents: -1)
+      expect(d).not_to be_valid
+      d = build(:purchase, amount_spent_on_adult_incontinence_cents: -2)
+      expect(d).not_to be_valid
+      d = build(:purchase, amount_spent_on_period_supplies_cents: -3)
+      expect(d).not_to be_valid
+      d = build(:purchase, amount_spent_on_other_cents: -4)
+      expect(d).not_to be_valid
+    end
+
+    it "is valid if all categories are positive" do
+      d = build(:purchase, amount_spent_in_cents: 1150,
+        amount_spent_on_diapers_cents: 200,
+        amount_spent_on_adult_incontinence_cents: 300,
+        amount_spent_on_period_supplies_cents: 400,
+        amount_spent_on_other_cents: 250)
+      expect(d).to be_valid
+    end
+
     # 2813 update annual reports -- this covers off making sure it's checking the case of period supplies only (which it won't be before we make it so)
 
     it "is not valid if period supplies is non-zero but no other category is " do