fix(ISSUE-17): add possibility of toggling boolean values

Author: paulorb

src/main/kotlin/operations/ToggleOperation.kt

@@ -15,9 +15,8 @@ class ToggleOperation(private val configuration: Configuration,private val memor
     }
 
     fun toggleOperation(element: Toggle) {
-        SubOperation.logger.info("Toggle symbol ${element.symbol}")
-        var value = processValue(element.symbol)
-        var variable = configuration.registers.getVarConfiguration(element.symbol)
+        logger.info("Toggle symbol ${element.symbol}")
+        val variable = configuration.registers.getVarConfiguration(element.symbol)
         if (variable == null) {
             SubOperation.logger.error("Symbol ${element.symbol} not found during Set execution")
             throw CancellationException("Error - Sub")

src/test/kotlin/ConfigurationParserTest.kt

@@ -1,5 +1,6 @@
 import org.junit.jupiter.api.Test
 import org.junit.jupiter.api.assertThrows
+import kotlin.test.assertTrue
 
 class ConfigurationParserTest {
 
@@ -12,4 +13,12 @@ class ConfigurationParserTest {
         configuration.setFileName("invalid_missing_device.xml")
         assertThrows<NullPointerException> { configuration.getConfiguredDevice() }
     }
+
+    @Test
+    fun `Parse must be able to parse toggle operations`() {
+        val configuration = ConfigurationParser()
+        configuration.setReadFromResources(true)
+        configuration.setFileName("toggle_operation.xml")
+        assertTrue(configuration.getConfiguredDevice().simulation.randomElements[0] is Toggle)
+    }
 }

src/test/kotlin/ToggleOperationTest.kt

@@ -0,0 +1,20 @@
+import operations.ToggleOperation
+import org.junit.jupiter.api.Test
+import kotlin.test.assertEquals
+import kotlin.test.assertTrue
+
+class ToggleOperationTest {
+
+    @Test
+    fun `Toggle must invert the boolean value`() {
+        val configuration = ConfigurationParser()
+        configuration.setReadFromResources(true)
+        configuration.setFileName("toggle_operation.xml")
+        val plcMemory = PlcMemory(configuration)
+        val toggleOperation = ToggleOperation(configuration.getConfiguredDevice().configuration, plcMemory, EnvironmentVariables(listOf<EnvParameter>(),ConfigurationParser() ))
+        assertTrue(configuration.getConfiguredDevice().simulation.randomElements[0] is Toggle)
+        assertEquals(plcMemory.readCoilStatus(configuration.getConfiguredDevice().configuration.registers.register.first().address.toInt(), 1).first(), false)
+        toggleOperation.toggleOperation(configuration.getConfiguredDevice().simulation.randomElements[0] as Toggle)
+        assertEquals(plcMemory.readCoilStatus(configuration.getConfiguredDevice().configuration.registers.register.first().address.toInt(), 1).first(), true)
+    }
+}

src/test/resources/toggle_operation.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="US-ASCII" ?>
+<device ip="0.0.0.0" port="502">
+    <configuration initializeUndefinedRegisters="true" initialValue="0">
+        <registers>
+            <register addressType="COIL" address="0" symbol="RELAYON">0</register>
+        </registers>
+    </configuration>
+    <simulation plcScanTime="1000">
+        <toggle symbol="RELAYON" />
+    </simulation>
+</device>