From 0fb7252ac496f23f9b8ef4b9642fcabcb842c14a Mon Sep 17 00:00:00 2001
From: unarist <m.unarist@gmail.com>
Date: Tue, 27 Mar 2018 12:22:58 +0900
Subject: [PATCH] Add a spec for UniqueUsernameValidator (#6927)

Note that this spec has a pending test about dots in the username,
because allowing it has been reverted for now.
---
 .../unique_username_validator_spec.rb         | 33 +++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 spec/validators/unique_username_validator_spec.rb

diff --git a/spec/validators/unique_username_validator_spec.rb b/spec/validators/unique_username_validator_spec.rb
new file mode 100644
index 0000000000..b9d773bed3
--- /dev/null
+++ b/spec/validators/unique_username_validator_spec.rb
@@ -0,0 +1,33 @@
+# frozen_string_literal: true
+
+require 'rails_helper'
+
+describe UniqueUsernameValidator do
+  describe '#validate' do
+    it 'does not add errors if username is nil' do
+      account = double(username: nil, persisted?: false, errors: double(add: nil))
+      subject.validate(account)
+      expect(account.errors).to_not have_received(:add)
+    end
+
+    it 'does not add errors when existing one is subject itself' do
+      account = Fabricate(:account, username: 'abcdef')
+      expect(account).to be_valid
+    end
+
+    it 'adds an error when the username is already used with ignoring dots' do
+      pending 'allowing dots in username is still in development'
+      Fabricate(:account, username: 'abcd.ef')
+      account = double(username: 'ab.cdef', persisted?: false, errors: double(add: nil))
+      subject.validate(account)
+      expect(account.errors).to have_received(:add)
+    end
+
+    it 'adds an error when the username is already used with ignoring cases' do
+      Fabricate(:account, username: 'ABCdef')
+      account = double(username: 'abcDEF', persisted?: false, errors: double(add: nil))
+      subject.validate(account)
+      expect(account.errors).to have_received(:add)
+    end
+  end
+end