1 files changed, 42 insertions, 0 deletions
diff --git a/spec/lib/gitlab/utils/email_spec.rb b/spec/lib/gitlab/utils/email_spec.rb
new file mode 100644
index 00000000000..d7a881d8655
--- /dev/null
+++ b/spec/lib/gitlab/utils/email_spec.rb
@@ -0,0 +1,42 @@
+# frozen_string_literal: true
+
+require 'fast_spec_helper'
+require 'rspec-parameterized'
+
+RSpec.describe Gitlab::Utils::Email, feature_category: :service_desk do
+  using RSpec::Parameterized::TableSyntax
+
+  describe '.obfuscated_email' do
+    where(:input, :output) do
+      'alex@gitlab.com' | 'al**@g*****.com'
+      'alex@gl.co.uk'   | 'al**@g****.uk'
+      'a@b.c'           | 'a@b.c'
+      'q@example.com'   | 'q@e******.com'
+      'q@w.'            | 'q@w.'
+      'a@b'             | 'a@b'
+      'no mail'         | 'no mail'
+    end
+
+    with_them do
+      it { expect(described_class.obfuscated_email(input)).to eq(output) }
+    end
+
+    context 'when deform is active' do
+      where(:input, :output) do
+        'alex@gitlab.com'                                | 'al*****@g*****.c**'
+        'alex@gl.co.uk'                                  | 'al*****@g*****.u**'
+        'a@b.c'                                          | 'aa*****@b*****.c**'
+        'qqwweerrttyy@example.com'                       | 'qq*****@e*****.c**'
+        'getsuperfancysupport@paywhatyouwant.accounting' | 'ge*****@p*****.a**'
+        'q@example.com'                                  | 'qq*****@e*****.c**'
+        'q@w.'                                           | 'q@w.'
+        'a@b'                                            | 'a@b'
+        'no mail'                                        | 'no mail'
+      end
+
+      with_them do
+        it { expect(described_class.obfuscated_email(input, deform: true)).to eq(output) }
+      end
+    end
+  end
+end