[Fix #1184] false positive when block do not have child nodes

Author: Darhazer

CHANGELOG.md

@@ -7,8 +7,9 @@
 * Exclude unrelated Rails directories from `RSpec/DescribeClass`. ([@MothOnMars][])
 * Add `RSpec/ExcessiveDocstringSpacing` cop. ([@G-Rath][])
 * Add `RSpec/SubjectDeclaration` cop. ([@dswij][])
-* Fix excessive whitespace removal in `RSpec/EmptyHook' autocorrection. ([@pirj][])
+* Fix excessive whitespace removal in `RSpec/EmptyHook` autocorrection. ([@pirj][])
 * Bump RuboCop requirement to v1.19.0. ([@pirj][])
+* Fix false positive in `RSpec/IteratedExpectation` when there is single, non-espectation statement in the block body. ([@Darhazer][])
 
 ## 2.4.0 (2021-06-09)
 

lib/rubocop/cop/rspec/iterated_expectation.rb

@@ -48,6 +48,8 @@ def single_expectation?(body, arg)
         end
 
         def only_expectations?(body, arg)
+          return false unless body.each_child_node.any?
+
           body.each_child_node.all? { |child| expectation?(child, arg) }
         end
       end

spec/rubocop/cop/rspec/iterated_expectation_spec.rb

@@ -27,6 +27,14 @@
     RUBY
   end
 
+  it 'ignores `each` with unused variable' do
+    expect_no_offenses(<<-RUBY)
+      it 'validates users' do
+        [user1, user2, user3].each { |_user| do_something }
+      end
+    RUBY
+  end
+
   it 'flags `each` with multiple expectations' do
     expect_offense(<<-RUBY)
       it 'validates users' do