Added unit tests for PLCMemory

Author: paulorb

src/test/kotlin/PlcMemoryTest.kt

@@ -14,4 +14,15 @@ class PlcMemoryTest {
         assertEquals(1, values.size, )
         assertEquals( values[0], 500)
     }
+
+    @Test
+    fun `PlcMemory must be initialized with configured input registers symbols`() {
+        val configuration = ConfigurationParser()
+        configuration.setReadFromResources(true)
+        configuration.setFileName("configuration_init.xml")
+        val plcMemory = PlcMemory(configuration)
+        val values = plcMemory.readInputRegister(5, 1)
+        assertEquals(1, values.size, )
+        assertEquals( values[0], 30)
+    }
 }

src/test/resources/configuration_init.xml

@@ -8,6 +8,7 @@
     <configuration initializeUndefinedRegisters="true" initialValue="0">
         <registers>
             <register addressType="HOLDING_REGISTER" address="14" symbol="RPM_MOTOR">500</register>
+            <register addressType="INPUT_REGISTER" address="5" symbol="HUMIDITY">30</register>
         </registers>
     </configuration>
     <simulation plcScanTime="1000">