Added unit tests for PLCMemory

Author: paulorb

src/test/kotlin/PlcMemoryTest.kt

@@ -37,4 +37,15 @@ class PlcMemoryTest {
         assertEquals(1, values.size)
         assertEquals( values[0], true)
     }
+
+    @Test
+    fun `PlcMemory must be initialized with configured input status registers symbols`() {
+        val configuration = ConfigurationParser()
+        configuration.setReadFromResources(true)
+        configuration.setFileName("configuration_init.xml")
+        val plcMemory = PlcMemory(configuration)
+        val values = plcMemory.readInputStatus(5, 1)
+        assertEquals(1, values.size)
+        assertEquals( values[0], true)
+    }
 }

src/test/resources/configuration_init.xml

@@ -10,6 +10,7 @@
             <register addressType="HOLDING_REGISTER" address="14" symbol="RPM_MOTOR">500</register>
             <register addressType="INPUT_REGISTER" address="5" symbol="HUMIDITY">30</register>
             <register addressType="COIL" address="5" symbol="RELAYON">1</register>
+            <register addressType="DISCRETE_INPUT" address="5" symbol="RELAY_STATUS">1</register>
         </registers>
     </configuration>
     <simulation plcScanTime="1000">