Fixed release of workers

CHANGELOG.md

@@ -7,7 +7,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
-## [0.7.4] - 2023-07-23
+### Fixed
+
+- Fixed a serious bug when working with the `idle_workers` set. Previous version retired.
+
+## [0.7.4] - 2023-07-23 (RETIRED)
 
 ### Fixed
 
@@ -133,7 +137,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Fix links in hex documentation.
 - Added missing spec for `get_debug_info/1`.
 
-## [0.3.0] - 2023-02-03
+## [0.3.0] - 2023-02-03 (RETIRED)
 
 ### Added
 

lib/poolex.ex

@@ -458,7 +458,7 @@ defmodule Poolex do
       | idle_workers_state:
           IdleWorkers.add(
             state.idle_workers_impl,
-            state.busy_workers_state,
+            state.idle_workers_state,
             worker
           )
     }

test/poolex_test.exs

@@ -41,6 +41,24 @@ defmodule PoolexTest do
       assert debug_info.waiting_callers_impl == SomeWaitingCallersImpl
     end
 
+    test "valid after using the worker" do
+      initial_fun = fn -> 0 end
+      pool_name = start_pool(worker_module: Agent, worker_args: [initial_fun], workers_count: 5)
+
+      {:ok, 0} = Poolex.run(pool_name, fn pid -> Agent.get(pid, & &1) end)
+
+      debug_info = Poolex.get_debug_info(pool_name)
+
+      assert debug_info.__struct__ == Poolex.DebugInfo
+      assert debug_info.busy_workers_count == 0
+      assert Enum.empty?(debug_info.busy_workers_pids)
+      assert debug_info.idle_workers_count == 5
+      assert Enum.count(debug_info.idle_workers_pids) == 5
+      assert debug_info.worker_module == Agent
+      assert debug_info.worker_args == [initial_fun]
+      assert debug_info.waiting_callers == []
+    end
+
     test "valid after holding some workers" do
       initial_fun = fn -> 0 end
       pool_name = start_pool(worker_module: Agent, worker_args: [initial_fun], workers_count: 5)