fix: date_of_birth invalid date due to leap year (#534)

CHANGELOG.md

@@ -9,9 +9,11 @@ Change log itself follows [Keep a CHANGELOG](http://keepachangelog.com) format.
 ## Unreleased
 
 ### Added
+
 - `Faker.Fruits.En` - add english fruits [[@KevinDaSilvaS](https://github.com/KevinDaSilvaS)]
 
 ### Changed
+
 - `Faker.Commerce.PtBr` - add more products in product_name_product [[@igorgbr](https://github.com/igorgbr)]
 - `Faker.Fruits.PtBr` - fix typo in nectarina [[@KevinDaSilvaS](https://github.com/KevinDaSilvaS)]
 - `Faker.Internet.image_url/0` - switched unresponsive placeholder.it with picsum.photos [[@almirsarajcic](https://github.com/almirsarajcic)]
@@ -22,6 +24,8 @@ Change log itself follows [Keep a CHANGELOG](http://keepachangelog.com) format.
 ### Removed
 
 ### Fixed
+
+- `Faker.date_of_birth` - fix invalid dates due to leap year [[igas](https://github.com/igas)]
 - `Faker.Currency.code/0` remove duplicates/replace old currencies [[@yassinrais](https://github.com/yassinrais)]
 - `Faker.Adress.PtBr` - fix model documentation [[@laraujo7](https://github.com/laraujo7)]
 - `Faker.Address.En/0` corrected formatting for US and Britian [[@atavistock](https://github.com/atavistock)]
@@ -31,6 +35,7 @@ Change log itself follows [Keep a CHANGELOG](http://keepachangelog.com) format.
 ## 0.17.0
 
 ### Added
+
 - `Faker.Internet.StatusCode` [[@emmetreza](https://github.com/emmetreza)]
 - CI workflow using GitHub Actions [[@anthonator](https://github.com/anthonator)]
 - `Faker.Cat.PtBr` [[@f-francine](https://github.com/f-francine)]
@@ -39,6 +44,7 @@ Change log itself follows [Keep a CHANGELOG](http://keepachangelog.com) format.
 - `Faker.Commerce.PtBr` [[@f-francine](https://github.com/f-francine)]
 
 ### Changed
+
 - `Faker.Vehicles` add makes and models that are multi-word, refactor existing fns [[jersearls](https://github.com/jersearls)]
 - `Faker.Avatar` switch to `https` to prevent redirect [[igas](https://github.com/igas)]
 - Updated build badge for GitHub Actions [[@anthonator](https://github.com/anthonator)]

lib/faker/date.ex

@@ -18,10 +18,10 @@ defmodule Faker.Date do
 
     earliest_year = today.year - (age + 1)
 
-    {:ok, earliest_date} = Date.new(earliest_year, today.month, today.day)
+    {:ok, earliest_date} = safe_date(earliest_year, today.month, today.day)
     earliest_date = Date.add(earliest_date, 1)
 
-    {:ok, latest_date} = Date.new(earliest_year + 1, today.month, today.day)
+    {:ok, latest_date} = safe_date(earliest_year + 1, today.month, today.day)
 
     date_range = Date.range(earliest_date, latest_date)
 
@@ -72,4 +72,11 @@ defmodule Faker.Date do
     |> Faker.DateTime.between(to)
     |> DateTime.to_date()
   end
+
+  defp safe_date(year, month, day) do
+    case Date.new(year, month, day) do
+      {:ok, date} -> {:ok, date}
+      {:error, :invalid_date} -> safe_date(year, month, day - 1)
+    end
+  end
 end