class RuboCop::Cop::Minitest::UselessAssertion


assert false, “My message”
assert_nil foo
assert_equal foo, bar
assert something
# good
assert_nil [foo, bar]
assert_equal @foo, @foo
assert true
# bad
@example
Detects useless assertions (assertions that either always pass or always fail).

def empty_composite?(node) 

def empty_composite?(node)
  return true if node.str_type? && node.value.empty?
  (node.array_type? || node.hash_type?) && node.children.empty?
end

def offense?(node)

rubocop:disable Metrics 
def offense?(node)
  expected, actual, = node.arguments
  case node.method_name
  when *SINGLE_ASSERTION_ARGUMENT_METHODS
    actual.nil? && expected&.literal? && !expected.xstr_type?
  when *TWO_ASSERTION_ARGUMENTS_METHODS
    return false unless expected && actual
    return false if expected.source != actual.source
    (expected.variable? && actual.variable?) ||
      (empty_composite?(expected) && empty_composite?(actual))
  when :assert_includes, :refute_includes
    expected && empty_composite?(expected)
  when :assert_silent
    block_node = node.parent
    block_node&.body.nil?
  else
    false
  end
end

def on_send(node) 

def on_send(node)
  return if node.receiver
  add_offense(node) if offense?(node)
end