Adds FFaker::Number:leading_zero

ffaker · Aug 31, 2023 · bb0842a · bb0842a
1 parent da88ae9
commit bb0842a
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diff --git a/Changelog.md b/Changelog.md
@@ -1,6 +1,7 @@
 ## development
 
   - Add your change HERE
+  - Adds FFaker::Number.leading_zero_number [@professor]
   - Update README [@professor]
   - Adds FFaker::Number.between [@professor]
   - Fixed `FFaker::Number.unique.number(digits: 1)` under Ruby 3 [@simonhildebrandt]

diff --git a/lib/ffaker/number.rb b/lib/ffaker/number.rb
@@ -15,6 +15,10 @@ def decimal(whole_digits: 1, fractional_digits: 1)
       FFaker.numerify("#{whole_part_pattern}.#{fractional_part_pattern}").to_f
     end
 
+    def leading_zero_number(digits: 10)
+      "0#{FFaker::Number.number(digits: digits -1)}"
+    end
+
     def between(from: 1.00, to: 5000.00)
       fetch_sample(from..to)
     end

diff --git a/test/test_number.rb b/test/test_number.rb
@@ -43,6 +43,14 @@ def test_decimal_when_invalid_argument
     end
   end
 
+  def test_leading_zero
+    assert @tester.leading_zero_number.is_a?(String)
+    assert @tester.leading_zero_number.digits.count == 10
+    assert @tester.leading_zero_number(digits: 3).digits.count == 3
+    assert_match(/0\d/, @tester.leading_zero_number.to_s)
+    assert_match(/0\d{3}/, @tester.leading_zero_number(digits: 3).to_s)
+  end
+
   def test_between
     from = -50
     to = 50