fix: support asserts with messages in Rspec/BeEmpty

CHANGELOG.md

@@ -2,6 +2,7 @@
 
 ## Master (Unreleased)
 
+- Support asserts with messages in `Rspec/BeEmpty`. ([@G-Rath])
 - Add support for `assert_empty`, `assert_not_empty` and `refute_empty` to `RSpec/Rails/MinitestAssertions`. ([@ydah])
 - Support correcting `*_instance_of` assertions in `RSpec/Rails/MinitestAssertions`. ([@G-Rath])
 - Support correcting `*_includes` assertions in `RSpec/Rails/MinitestAssertions`. ([@G-Rath])

lib/rubocop/cop/rspec/be_empty.rb

@@ -28,6 +28,7 @@ class BeEmpty < Base
               (send nil? :match_array (array))
               (send nil? :contain_exactly)
             }
+            $_?
           )
         PATTERN
 

spec/rubocop/cop/rspec/be_empty_spec.rb

@@ -12,6 +12,18 @@
     RUBY
   end
 
+  it 'registers an offense when ' \
+     'using `expect(array).to contain_exactly, "with a message"`' do
+    expect_offense(<<~RUBY)
+      expect(array).to contain_exactly, "with a message"
+                       ^^^^^^^^^^^^^^^ Use `be_empty` matchers for checking an empty array.
+    RUBY
+
+    expect_correction(<<~RUBY)
+      expect(array).to be_empty, "with a message"
+    RUBY
+  end
+
   it 'registers an offense when using `expect(array).to match_array([])`' do
     expect_offense(<<~RUBY)
       expect(array).to match_array([])
@@ -23,9 +35,28 @@
     RUBY
   end
 
+  it 'registers an offense when ' \
+     'using `expect(array).to match_array([]), "with a message"`' do
+    expect_offense(<<~RUBY)
+      expect(array).to match_array([]), "with a message"
+                       ^^^^^^^^^^^^^^^ Use `be_empty` matchers for checking an empty array.
+    RUBY
+
+    expect_correction(<<~RUBY)
+      expect(array).to be_empty, "with a message"
+    RUBY
+  end
+
   it 'does not register an offense when using `expect(array).to be_empty`' do
     expect_no_offenses(<<~RUBY)
       expect(array).to be_empty
     RUBY
   end
+
+  it 'does not register an offense when ' \
+     'using `expect(array).to be_empty, "with a message"`' do
+    expect_no_offenses(<<~RUBY)
+      expect(array).to be_empty, "with a message"
+    RUBY
+  end
 end