refactoring: Masive refactor to build the V2

src/test/kotlin/eventDemo/libs/command/CommandUnicityCheckerTest.kt

@@ -0,0 +1,34 @@
+package eventDemo.libs.command
+
+import eventDemo.testHelpers.spyPing
+import io.kotest.core.spec.style.FunSpec
+import org.junit.jupiter.api.assertThrows
+import kotlin.time.Duration.Companion.seconds
+
+class CommandUnicityCheckerTest :
+  FunSpec({
+    test("runOnlyOnce must run all commands") {
+      spyPing(exactly = 2, duration = 3.seconds) { ping ->
+        val com1 = CommandForTest(CommandId())
+        val com2 = CommandForTest(CommandId())
+        CommandUnicityChecker<CommandForTest>().run {
+          runOnlyOnce(com1) { ping() }
+          runOnlyOnce(com2) { ping() }
+        }
+      }
+    }
+
+    test("runOnlyOnce") {
+      spyPing(exactly = 2, duration = 3.seconds) { ping ->
+        val com1 = CommandForTest(CommandId())
+        val com2 = CommandForTest(CommandId())
+        CommandUnicityChecker<CommandForTest>().run {
+          runOnlyOnce(com1) { ping() }
+          runOnlyOnce(com2) { ping() }
+          assertThrows<CommandUnicityChecker.UnicityException> {
+            runOnlyOnce(com2) { ping() }
+          }
+        }
+      }
+    }
+  })