Merge pull request #3731 from manyfold3d/short-usernames

Allow one and two character usernames

Author: Floppy

app/models/user.rb

@@ -23,7 +23,7 @@ class User < ApplicationRecord
   validates :username,
     presence: true,
     uniqueness: {case_sensitive: false},
-    format: {with: /\A[[:alnum:]]{3,}\z/}
+    format: {with: /\A[[:alnum:]]+\z/}
 
   validates :email,
     presence: true,

spec/models/user_spec.rb

@@ -8,12 +8,12 @@
     expect(build(:user, username: nil)).not_to be_valid
   end
 
-  it "doesn't allow single-character usernames" do
-    expect(build(:user, username: "a")).not_to be_valid
+  it "allows single-character usernames" do
+    expect(build(:user, username: "a")).to be_valid
   end
 
-  it "doesn't allow two-character usernames" do
-    expect(build(:user, username: "ab")).not_to be_valid
+  it "allows two-character usernames" do
+    expect(build(:user, username: "ab")).to be_valid
   end
 
   it "allow three-character usernames" do