class RuboCop::Cop::RSpec::IteratedExpectation


end
expect([user1, user2, user3]).to all(be_valid)
it ‘validates users’ do
# good
end
[user1, user2, user3].each { |user| expect(user).to be_valid }
it ‘validates users’ do
# bad
@example
Check that ‘all` matcher is used instead of iterating over an array.

def on_block(node) 

def on_block(node)
  each?(node) do |arg, body|
    if single_expectation?(body, arg) || only_expectations?(body, arg)
      add_offense(node.send_node)
    end
  end
end

def on_numblock(node) 

def on_numblock(node)
  each_numblock?(node) do |body|
    if single_expectation?(body, :_1) || only_expectations?(body, :_1)
      add_offense(node.send_node)
    end
  end
end

def only_expectations?(body, arg) 

def only_expectations?(body, arg)
  return false unless body.each_child_node.any?
  body.each_child_node.all? { |child| expectation?(child, arg) }
end

def single_expectation?(body, arg) 

def single_expectation?(body, arg)
  expectation?(body, arg)
end