CLDC-1285: Setting pregnancy to yes is allowed if a tenant's age is unknown (#638)

app/models/case_log.rb

@@ -433,6 +433,18 @@ class CaseLog < ApplicationRecord
     end
   end
 
+  def age_known?(person_num)
+    return false unless person_num.is_a?(Integer)
+
+    !!public_send("age#{person_num}_known")&.zero?
+  end
+
+  def age_unknown?(person_num)
+    return false unless person_num.is_a?(Integer)
+
+    public_send("age#{person_num}_known") == 1
+  end
+
 private
 
   PIO = Postcodes::IO.new
@@ -568,10 +580,6 @@ private
     public_send("age#{person_num}") && public_send("age#{person_num}") < 16
   end
 
-  def age_known?(person_num)
-    !!public_send("age#{person_num}_known")&.zero?
-  end
-
   def process_postcode_changes!
     self.postcode_full = upcase_and_remove_whitespace(postcode_full)
     process_postcode(postcode_full, "postcode_known", "is_la_inferred", "la")

app/models/validations/household_validations.rb

@@ -134,12 +134,18 @@ private
 
   def women_of_child_bearing_age_in_household(record)
     (1..8).any? do |n|
-      next if record["sex#{n}"].nil? || record["age#{n}"].nil?
+      next if record["sex#{n}"].nil?
 
-      (record["sex#{n}"]) == "F" && record["age#{n}"] >= 11 && record["age#{n}"] <= 65
+      record["sex#{n}"] == "F" && (in_pregnancy_age_range?(record, n) || record.age_unknown?(n))
     end
   end
 
+  def in_pregnancy_age_range?(record, person_num)
+    return false if record["age#{person_num}"].nil?
+
+    record["age#{person_num}"] >= 11 && record["age#{person_num}"] <= 65
+  end
+
   def women_in_household(record)
     (1..8).any? do |n|
       record["sex#{n}"] == "F"

spec/models/validations/household_validations_spec.rb

@@ -74,10 +74,9 @@ RSpec.describe Validations::HouseholdValidations do
 
     context "when there are female tenants" do
       context "but they are older than 65" do
+        before { record.assign_attributes(sex1: "F", age1: 66, preg_occ: 1) }
+
         it "validates that pregnancy cannot be yes" do
-          record.preg_occ = 1
-          record.sex1 = "F"
-          record.age1 = 66
           household_validator.validate_pregnancy(record)
           expect(record.errors["preg_occ"])
             .to include(match I18n.t("validations.household.preg_occ.no_female"))
@@ -85,39 +84,41 @@ RSpec.describe Validations::HouseholdValidations do
       end
 
       context "and they are the lead tenant and under 65" do
-        it "pregnancy can be yes" do
-          record.preg_occ = 1
-          record.sex1 = "F"
-          record.age1 = 64
+        before { record.assign_attributes(sex1: "F", age1: 64, preg_occ: 1) }
+
+        it "allows pregnancy to be set to yes" do
           household_validator.validate_pregnancy(record)
           expect(record.errors["preg_occ"]).to be_empty
         end
       end
 
       context "and they are another household member and under 51" do
-        it "pregnancy can be yes" do
-          record.preg_occ = 1
-          record.sex1 = "M"
-          record.age1 = 25
-          record.sex3 = "F"
-          record.age3 = 64
+        before { record.assign_attributes(sex1: "M", age1: 25, sex3: "F", age3: 64, preg_occ: 1) }
+
+        it "allows pregnancy to be set to yes" do
           household_validator.validate_pregnancy(record)
           expect(record.errors["preg_occ"]).to be_empty
         end
       end
 
       context "and they are another household member and under 11" do
-        it "pregnancy can be yes" do
-          record.preg_occ = 1
-          record.sex1 = "M"
-          record.age1 = 25
-          record.sex3 = "F"
-          record.age3 = 10
+        before { record.assign_attributes(sex1: "M", age1: 25, sex3: "F", age3: 10, preg_occ: 1) }
+
+        it "validates that pregnancy cannot be yes" do
           household_validator.validate_pregnancy(record)
           expect(record.errors["preg_occ"])
           .to include(match I18n.t("validations.household.preg_occ.no_female"))
         end
       end
+
+      context "and one tenant's age is unknown" do
+        before { record.assign_attributes(sex1: "F", age1: nil, age1_known: 1, preg_occ: 1) }
+
+        it "allows pregnancy to be set to yes" do
+          household_validator.validate_pregnancy(record)
+          expect(record.errors["preg_occ"]).to be_empty
+        end
+      end
     end
   end