Username splits names by space and doesn't regex match them

lib/faker/default/internet.rb

@@ -63,9 +63,12 @@ def email(name: nil, separators: nil, domain: nil)
       #   Faker::Internet.username(specifier: 20, separators: ['_'])  #=> "nikki_sawaynnikki_saway"
       def username(specifier: nil, separators: %w[. _])
         with_locale(:en) do
-          return shuffle(specifier.scan(/[[:word:]]+/)).join(sample(separators)).downcase if specifier.respond_to?(:scan)
-
           case specifier
+          when ::String
+            names = specifier&.gsub("'", '')&.split
+            shuffled_names = shuffle(names)
+
+            return shuffled_names.join(sample(separators)).downcase
           when Integer
             # If specifier is Integer and has large value, Argument error exception is raised to overcome memory full error
             raise ArgumentError, 'Given argument is too large' if specifier > 10**6

test/faker/default/test_faker_internet.rb

@@ -36,6 +36,14 @@ def test_email_name_with_non_permitted_characters
     end
   end
 
+  def test_email_with_apostrophes
+    name = "Alexis O'Connell"
+
+    deterministically_verify -> { @tester.email(name: name) } do |result|
+      assert_email_regex 'Alexis', 'OConnell', result
+    end
+  end
+
   def test_email_with_separators
     deterministically_verify -> { @tester.email(name: 'jane doe', separators: '+') } do |result|
       name, domain = result.split('@')
@@ -83,6 +91,10 @@ def test_username
     assert_match(/[a-z]+((_|\.)[a-z]+)?/, @tester.username)
   end
 
+  def test_username_with_apostrophes
+    assert_match(/\A[a-z]+([_.][a-z]+)*\z/, @tester.username(specifier: "Alexis O'Connell"))
+  end
+
   def test_user_name_alias
     assert_equal @tester.method(:username), @tester.method(:user_name)
   end

test/faker/default/test_faker_omniauth.rb

@@ -20,7 +20,7 @@ def test_omniauth_google
     assert_equal 'google_oauth2', provider
     assert_equal 9, auth[:uid].length
     assert_equal 2, word_count(info[:name])
-    assert_match email_regex(info[:first_name], info[:last_name]), info[:email]
+    assert_email_regex info[:first_name], info[:last_name], info[:email]
     assert_equal info[:name].split.first, info[:first_name]
     assert_equal info[:name].split.last, info[:last_name]
     assert_instance_of String, info[:image]
@@ -62,7 +62,7 @@ def test_omniauth_google_with_name
     assert_instance_of String, info[:name]
     assert_equal 2, word_count(info[:name])
     assert_equal custom_name, info[:name]
-    assert_match email_regex(first_name, last_name), info[:email]
+    assert_email_regex first_name, last_name, info[:email]
     assert_equal first_name, info[:first_name]
     assert_equal last_name, info[:last_name]
     assert_equal custom_name, extra_raw_info[:name]
@@ -108,7 +108,7 @@ def test_omniauth_facebook
 
     assert_equal 'facebook', provider
     assert_equal 7, uid.length
-    assert_match email_regex(info[:first_name], info[:last_name]), info[:email]
+    assert_email_regex info[:first_name], info[:last_name], info[:email]
     assert_equal 2, word_count(info[:name])
     assert_instance_of String, info[:first_name]
     assert_instance_of String, info[:last_name]
@@ -154,7 +154,7 @@ def test_omniauth_facebook_with_name
     assert_equal last_name, info[:last_name]
     assert_equal last_name, extra_raw_info[:last_name]
 
-    assert_match email_regex(first_name, last_name), info[:email]
+    assert_email_regex first_name, last_name, info[:email]
 
     assert_equal url, extra_raw_info[:link]
     assert_equal username, extra_raw_info[:username]
@@ -308,7 +308,7 @@ def test_omniauth_linkedin
     assert_equal 'linkedin', auth[:provider]
     assert_equal 6, auth[:uid].length
     assert_equal 2, word_count(info[:name])
-    # assert_match email_regex(first_name, last_name), info[:email]
+    assert_email_regex first_name, last_name, info[:email]
     assert_equal info[:name], info[:nickname]
     assert_instance_of String, info[:first_name]
     assert_instance_of String, info[:last_name]
@@ -341,15 +341,15 @@ def test_omniauth_linkedin
   end
 
   def test_omniauth_linkedin_with_name
-    custom_name           = 'Happy Gilmore'
+    custom_name           = "Alexis O'Connell"
     first_name, last_name = custom_name.split
     auth                  = @tester.linkedin(name: custom_name)
     info                  = auth[:info]
 
     assert_equal 2, word_count(info[:name])
     assert_instance_of String, info[:name]
     assert_equal custom_name, info[:name]
-    assert_match email_regex(first_name, last_name), info[:email]
+    assert_email_regex first_name, last_name, info[:email]
     assert_equal custom_name, info[:nickname]
     assert_equal first_name, info[:first_name]
     assert_equal last_name, info[:last_name]
@@ -388,7 +388,7 @@ def test_omniauth_github
     assert_equal 'github', provider
     assert_equal 8, uid.length
     assert_equal uid, extra_raw_info[:id]
-    assert_match email_regex(info[:first_name], info[:last_name]), info[:email]
+    assert_email_regex info[:first_name], info[:last_name], info[:email]
     assert_equal info[:email], extra_raw_info[:email]
     assert_equal 2, word_count(name)
     assert_instance_of String, name
@@ -438,14 +438,13 @@ def test_omniauth_github_with_name
     auth            = @tester.github(name: custom_name)
     info            = auth[:info]
     extra_raw_info  = auth[:extra][:raw_info]
-    expected_email_regex = email_regex(info[:first_name], info[:last_name])
 
     assert_equal custom_name, info[:name]
     assert_equal 2, word_count(info[:name])
     assert_instance_of String, info[:name]
     assert_equal custom_name, extra_raw_info[:name]
-    assert_match expected_email_regex, info[:email]
-    assert_match expected_email_regex, extra_raw_info[:email]
+    assert_email_regex info[:first_name], info[:last_name], info[:email]
+    assert_email_regex info[:first_name], info[:last_name], extra_raw_info[:email]
     assert_equal login, info[:nickname]
   end
 
@@ -482,7 +481,7 @@ def test_omniauth_apple
     assert_equal 'apple', auth[:provider]
     assert_instance_of String, auth[:uid]
     assert_equal 44, auth[:uid].length
-    assert_match email_regex(first_name, last_name), info[:email]
+    assert_email_regex first_name, last_name, info[:email]
     assert_equal auth[:uid], info[:sub]
     assert_instance_of String, info[:first_name]
     assert_instance_of String, info[:last_name]
@@ -513,7 +512,7 @@ def test_omniauth_auth0
     assert_equal 'auth0', auth[:provider]
     assert_instance_of String, auth[:uid]
     assert_equal 30, auth[:uid].length
-    assert_match email_regex(first_name, last_name), info[:email]
+    assert_email_regex first_name, last_name, info[:email]
     assert_equal auth[:uid], info[:name]
     assert_instance_of String, info[:image]
     assert_instance_of String, info[:nickname]
@@ -545,8 +544,4 @@ def boolean?(test)
   def gender?(test)
     %w[female male].include?(test)
   end
-
-  def email_regex(first_name, last_name)
-    /(#{first_name}(.|_)#{last_name}|#{last_name}(.|_)#{first_name})@(.*).(example|test)/i
-  end
 end

test/support/assert_email_regex.rb

@@ -0,0 +1,14 @@
+# frozen_string_literal: true
+
+def assert_email_regex(first_name, last_name, email)
+  sanitized_first_name = first_name&.gsub("'", '')
+  sanitized_last_name = last_name&.gsub("'", '')
+
+  regex = email_regex(sanitized_first_name, sanitized_last_name)
+
+  assert_match(regex, email)
+end
+
+def email_regex(first_name, last_name)
+  /(#{first_name}(.|_)#{last_name}|#{last_name}(.|_)#{first_name})@(.*).(example|test)/i
+end

test/test_helper.rb

@@ -10,6 +10,7 @@
 end
 
 require_relative 'support/assert_not_english'
+require_relative 'support/assert_email_regex'
 require 'minitest/autorun'
 require 'test/unit'
 require 'rubygems'