Use assert_predicate and assert_not_predicate

2 files changed, 6 insertions, 6 deletions

diff --git a/actioncable/test/connection/base_test.rb b/actioncable/test/connection/base_test.rb
index 99488e38c8..c69d4d0b36 100644
--- a/actioncable/test/connection/base_test.rb
+++ b/actioncable/test/connection/base_test.rb
@@ -39,10 +39,10 @@ class ActionCable::Connection::BaseTest < ActionCable::TestCase
       connection = open_connection
       connection.process
 
-      assert connection.websocket.possible?
+      assert_predicate connection.websocket, :possible?
 
       wait_for_async
-      assert connection.websocket.alive?
+      assert_predicate connection.websocket, :alive?
     end
   end
 
@@ -95,7 +95,7 @@ class ActionCable::Connection::BaseTest < ActionCable::TestCase
 
       statistics = connection.statistics
 
-      assert statistics[:identifier].blank?
+      assert_predicate statistics[:identifier], :blank?
       assert_kind_of Time, statistics[:started_at]
       assert_equal [], statistics[:subscriptions]
     end
diff --git a/actioncable/test/connection/subscriptions_test.rb b/actioncable/test/connection/subscriptions_test.rb
index 149a40604a..cc2f4a2938 100644
--- a/actioncable/test/connection/subscriptions_test.rb
+++ b/actioncable/test/connection/subscriptions_test.rb
@@ -45,7 +45,7 @@ class ActionCable::Connection::SubscriptionsTest < ActionCable::TestCase
       setup_connection
 
       @subscriptions.execute_command "command" => "subscribe"
-      assert @subscriptions.identifiers.empty?
+      assert_predicate @subscriptions.identifiers, :empty?
     end
   end
 
@@ -58,7 +58,7 @@ class ActionCable::Connection::SubscriptionsTest < ActionCable::TestCase
       channel.expects(:unsubscribe_from_channel)
 
       @subscriptions.execute_command "command" => "unsubscribe", "identifier" => @chat_identifier
-      assert @subscriptions.identifiers.empty?
+      assert_predicate @subscriptions.identifiers, :empty?
     end
   end
 
@@ -67,7 +67,7 @@ class ActionCable::Connection::SubscriptionsTest < ActionCable::TestCase
       setup_connection
 
       @subscriptions.execute_command "command" => "unsubscribe"
-      assert @subscriptions.identifiers.empty?
+      assert_predicate @subscriptions.identifiers, :empty?
     end
   end