Merge pull request #1211 from supercaracal/remove-flaky-and-redundant…

…-cases-for-pubsub-in-cluster-mode

Remove flaky and redundant test cases for Pub/Sub in cluster mode

cluster/test/commands_on_pub_sub_test.rb

@@ -13,11 +13,9 @@ def test_publish_subscribe_unsubscribe_pubsub
 
     thread = Thread.new do
       redis.subscribe('channel1', 'channel2') do |on|
-        on.subscribe { |_c, t| sub_cnt = t }
-        on.unsubscribe { |_c, t| sub_cnt = t }
+        on.subscribe { sub_cnt += 1 }
         on.message do |c, msg|
           messages[c] = msg
-          # FIXME: blocking occurs when `unsubscribe` method was called with channel arguments
           redis.unsubscribe if messages.size == 2
         end
       end
@@ -27,28 +25,19 @@ def test_publish_subscribe_unsubscribe_pubsub
 
     publisher = build_another_client
 
-    assert_equal %w[channel1 channel2], publisher.pubsub(:channels)
-    assert_equal %w[channel1 channel2], publisher.pubsub(:channels, 'cha*')
-    assert_equal [], publisher.pubsub(:channels, 'chachacha*')
-    assert_equal({}, publisher.pubsub(:numsub))
+    assert_equal %w[channel1 channel2], publisher.pubsub(:channels, 'channel*')
     assert_equal({ 'channel1' => 1, 'channel2' => 1, 'channel3' => 0 },
                  publisher.pubsub(:numsub, 'channel1', 'channel2', 'channel3'))
-    assert_equal 0, publisher.pubsub(:numpat)
 
     publisher.publish('channel1', 'one')
     publisher.publish('channel2', 'two')
+    publisher.publish('channel3', 'three')
 
     thread.join
 
-    assert_equal({ 'channel1' => 'one', 'channel2' => 'two' }, messages.sort.to_h)
-
-    assert_equal [], publisher.pubsub(:channels)
-    assert_equal [], publisher.pubsub(:channels, 'cha*')
-    assert_equal [], publisher.pubsub(:channels, 'chachacha*')
-    assert_equal({}, publisher.pubsub(:numsub))
-    assert_equal({ 'channel1' => 0, 'channel2' => 0, 'channel3' => 0 },
-                 publisher.pubsub(:numsub, 'channel1', 'channel2', 'channel3'))
-    assert_equal 0, publisher.pubsub(:numpat)
+    assert_equal(2, messages.size)
+    assert_equal('one', messages['channel1'])
+    assert_equal('two', messages['channel2'])
   end
 
   def test_publish_psubscribe_punsubscribe_pubsub
@@ -57,11 +46,9 @@ def test_publish_psubscribe_punsubscribe_pubsub
 
     thread = Thread.new do
       redis.psubscribe('guc*', 'her*') do |on|
-        on.psubscribe { |_c, t| sub_cnt = t }
-        on.punsubscribe { |_c, t| sub_cnt = t }
-        on.pmessage do |_ptn, chn, msg|
-          messages[chn] = msg
-          # FIXME: blocking occurs when `unsubscribe` method was called with channel arguments
+        on.psubscribe { sub_cnt += 1 }
+        on.pmessage do |_ptn, c, msg|
+          messages[c] = msg
           redis.punsubscribe if messages.size == 2
         end
       end
@@ -71,13 +58,6 @@ def test_publish_psubscribe_punsubscribe_pubsub
 
     publisher = build_another_client
 
-    assert_equal [], publisher.pubsub(:channels)
-    assert_equal [], publisher.pubsub(:channels, 'bur*')
-    assert_equal [], publisher.pubsub(:channels, 'guc*')
-    assert_equal [], publisher.pubsub(:channels, 'her*')
-    assert_equal({}, publisher.pubsub(:numsub))
-    assert_equal({ 'burberry1' => 0, 'gucci2' => 0, 'hermes3' => 0 },
-                 publisher.pubsub(:numsub, 'burberry1', 'gucci2', 'hermes3'))
     assert_equal 2, publisher.pubsub(:numpat)
 
     publisher.publish('burberry1', 'one')
@@ -86,15 +66,8 @@ def test_publish_psubscribe_punsubscribe_pubsub
 
     thread.join
 
-    assert_equal({ 'gucci2' => 'two', 'hermes3' => 'three' }, messages.sort.to_h)
-
-    assert_equal [], publisher.pubsub(:channels)
-    assert_equal [], publisher.pubsub(:channels, 'bur*')
-    assert_equal [], publisher.pubsub(:channels, 'guc*')
-    assert_equal [], publisher.pubsub(:channels, 'her*')
-    assert_equal({}, publisher.pubsub(:numsub))
-    assert_equal({ 'burberry1' => 0, 'gucci2' => 0, 'hermes3' => 0 },
-                 publisher.pubsub(:numsub, 'burberry1', 'gucci2', 'hermes3'))
-    assert_equal 0, publisher.pubsub(:numpat)
+    assert_equal(2, messages.size)
+    assert_equal('two', messages['gucci2'])
+    assert_equal('three', messages['hermes3'])
   end
 end