Add tests for inter cocos and minor changes

pom.xml

@@ -132,6 +132,13 @@
             <scope>test</scope>
         </dependency>
 
+        <dependency>
+            <groupId>org.mockito</groupId>
+            <artifactId>mockito-core</artifactId>
+            <version>1.10.19</version>
+            <scope>test</scope>
+        </dependency>
+
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>

src/main/grammars/de/monticore/lang/monticar/CNNTrain.mc4

@@ -208,7 +208,7 @@ grammar CNNTrain extends de.monticore.lang.monticar.Common2, de.monticore.Number
     GymEnvironmentNameEntry implements GymEnvironmentEntry = name:"name" ":" value:StringValue;
 
     interface RosEnvironmentEntry extends Entry;
-    RosEnvironmentValue implements EnvironmentValue = | name:"ros_interface" ("{" params:RosEnvironmentEntry* "}")?;
+    RosEnvironmentValue implements EnvironmentValue = name:"ros_interface" ("{" params:RosEnvironmentEntry* "}")?;
     RosEnvironmentStateTopicEntry implements RosEnvironmentEntry = name:"state_topic" ":" value:StringValue;
     RosEnvironmentActionTopicEntry implements RosEnvironmentEntry = name:"action_topic" ":" value:StringValue;
     RosEnvironmentResetTopicEntry implements RosEnvironmentEntry = name:"reset_topic" ":" value:StringValue;

src/main/java/de/monticore/lang/monticar/cnntrain/_cocos/CNNTrainCocos.java

@@ -39,7 +39,8 @@ public class CNNTrainCocos {
         CNNTrainConfigurationSymbolChecker checker = new CNNTrainConfigurationSymbolChecker()
                 .addCoCo(new CheckTrainedRlNetworkHasExactlyOneInput())
                 .addCoCo(new CheckTrainedRlNetworkHasExactlyOneOutput())
-                .addCoCo(new CheckOUParameterDimensionEqualsActionDimension());
+                .addCoCo(new CheckOUParameterDimensionEqualsActionDimension())
+                .addCoCo(new CheckTrainedArchitectureHasVectorAction());
         checker.checkAll(configurationSymbol);
     }
 

src/main/java/de/monticore/lang/monticar/cnntrain/_cocos/CheckOUParameterDimensionEqualsActionDimension.java

@@ -9,6 +9,7 @@ package de.monticore.lang.monticar.cnntrain._cocos;
 import de.monticore.lang.monticar.cnntrain._symboltable.ConfigurationSymbol;
 import de.monticore.lang.monticar.cnntrain._symboltable.MultiParamValueSymbol;
 import de.monticore.lang.monticar.cnntrain._symboltable.NNArchitectureSymbol;
+import de.monticore.lang.monticar.cnntrain.helper.ErrorCodes;
 import de.se_rwth.commons.logging.Log;
 
 import java.util.Collection;
@@ -57,7 +58,8 @@ public class CheckOUParameterDimensionEqualsActionDimension implements CNNTrainC
                                          String ouParameterName) {
         final int ouParameterDimension = ((Collection<?>) strategyParameters.getParameter(ouParameterName)).size();
         if (ouParameterDimension != actionVectorDimension) {
-            Log.error("Vector parameter " + ouParameterName + " of parameter " + STRATEGY_OU + " must have"
+            Log.error("0" + ErrorCodes.TRAINED_ARCHITECTURE_ERROR
+                            + " Vector parameter " + ouParameterName + " of parameter " + STRATEGY_OU + " must have"
                             + " the same dimensions as the action dimension of output "
                             + outputNameOfTrainedArchitecture + " which is " + actionVectorDimension,
                     configurationSymbol.getSourcePosition());

src/main/java/de/monticore/lang/monticar/cnntrain/_cocos/CheckTrainedArchitectureHasVectorAction.java

+/**
+ * (c) https://github.com/MontiCore/monticore
+ *
+ * The license generally applicable for this project
+ * can be found under https://github.com/MontiCore/monticore.
+ */
+package de.monticore.lang.monticar.cnntrain._cocos;
+
+import de.monticore.lang.monticar.cnntrain._symboltable.ConfigurationSymbol;
+import de.monticore.lang.monticar.cnntrain._symboltable.NNArchitectureSymbol;
+import de.monticore.lang.monticar.cnntrain.helper.ErrorCodes;
+import de.se_rwth.commons.logging.Log;
+
+import java.util.List;
+
+public class CheckTrainedArchitectureHasVectorAction implements CNNTrainConfigurationSymbolCoCo {
+    @Override
+    public void check(ConfigurationSymbol configurationSymbol) {
+        if (configurationSymbol.getTrainedArchitecture().isPresent()
+                && configurationSymbol.isReinforcementLearningMethod()) {
+            final NNArchitectureSymbol trainedArchitecture = configurationSymbol.getTrainedArchitecture().get();
+            if (trainedArchitecture.getOutputs().size() == 1) {
+                final String actionName = trainedArchitecture.getOutputs().get(0);
+                final List<Integer> actionDimensions = trainedArchitecture.getDimensions().get(actionName);
+                if (actionDimensions.size() != 1) {
+                    Log.error("0" + ErrorCodes.TRAINED_ARCHITECTURE_ERROR
+                        + " Output of actor network must be a vector", configurationSymbol.getSourcePosition());
+                }
+            }
+        }
+    }
+}

src/test/java/de/monticore/lang/monticar/cnntrain/cocos/InterCocoTest.java

+/**
+ * (c) https://github.com/MontiCore/monticore
+ *
+ * The license generally applicable for this project
+ * can be found under https://github.com/MontiCore/monticore.
+ */
+package de.monticore.lang.monticar.cnntrain.cocos;
+
+import de.monticore.lang.monticar.cnntrain._cocos.*;
+import de.monticore.lang.monticar.cnntrain._symboltable.ConfigurationSymbol;
+import de.monticore.lang.monticar.cnntrain._symboltable.NNArchitectureSymbol;
+import de.monticore.lang.monticar.cnntrain.helper.ErrorCodes;
+import de.se_rwth.commons.logging.Log;
+import org.junit.Test;
+
+public class InterCocoTest extends AbstractCoCoTest {
+
+    NNArchitecturerBuilder NNBuilder = new NNArchitecturerBuilder();
+
+    @Test
+    public void testValidTD3ActorCritic() {
+        // given
+        final NNArchitectureSymbol validActor = NNBuilder.getValidTrainedArchitecture();
+        final NNArchitectureSymbol validCritic = NNBuilder.getValidCriticArchitecture();
+        ConfigurationSymbol configurationSymbol = getConfigurationSymbolFrom("valid_tests", "TD3Config",
+            validActor, validCritic);
+
+        // when
+        checkValidTrainedArchitecture(configurationSymbol);
+        checkValidCriticArchitecture(configurationSymbol);
+    }
+
+    @Test
+    public void testValidDDPGActorCritic() {
+        // given
+        final NNArchitectureSymbol validActor = NNBuilder.getValidTrainedArchitecture();
+        final NNArchitectureSymbol validCritic = NNBuilder.getValidCriticArchitecture();
+        ConfigurationSymbol configurationSymbol = getConfigurationSymbolFrom("valid_tests", "DdpgConfig",
+            validActor, validCritic);
+
+        // when
+        checkValidTrainedArchitecture(configurationSymbol);
+        checkValidCriticArchitecture(configurationSymbol);
+    }
+
+    @Test
+    public void testInvalidTrainingArchitectureWithTwoInputs() {
+        // given
+        CNNTrainConfigurationSymbolCoCo cocoUUT = new CheckTrainedRlNetworkHasExactlyOneInput();
+        NNArchitectureSymbol nnWithTwoInputs = NNBuilder.getTrainedArchitectureWithTwoInputs();
+        ConfigurationSymbol configurationSymbol = getConfigurationSymbolFrom("valid_tests",
+            "TD3Config", nnWithTwoInputs, NNBuilder.getValidCriticArchitecture());
+
+        // when
+        checkInvalidTrainedArchitecture(configurationSymbol, cocoUUT,
+            new ExpectedErrorInfo(1, ErrorCodes.TRAINED_ARCHITECTURE_ERROR));
+
+
+    }
+
+    @Test
+    public void testInvalidTrainingArchitectureWithTwoOutputs() {
+        // given
+        CNNTrainConfigurationSymbolCoCo cocoUUT = new CheckTrainedRlNetworkHasExactlyOneOutput();
+        NNArchitectureSymbol nnWithTwoOutputs = NNBuilder.getTrainedArchitectureWithTwoOutputs();
+        ConfigurationSymbol configurationSymbol = getConfigurationSymbolFrom("valid_tests",
+        "TD3Config", nnWithTwoOutputs, NNBuilder.getValidCriticArchitecture());
+
+        // when
+        checkInvalidTrainedArchitecture(configurationSymbol, cocoUUT, new ExpectedErrorInfo(1, ErrorCodes.TRAINED_ARCHITECTURE_ERROR));
+    }
+
+    @Test
+    public void testInvalidActionDimensionUnequalToOUParameterDimension1() {
+        //given
+        CNNTrainConfigurationSymbolCoCo cocoUUT = new CheckOUParameterDimensionEqualsActionDimension();
+        ConfigurationSymbol configurationSymbol = getConfigurationSymbolFrom("invalid_cocos_tests",
+        "UnequalOUDim1", NNBuilder.getValidTrainedArchitecture(), NNBuilder.getValidCriticArchitecture());
+
+        // when
+        checkInvalidTrainedArchitecture(
+            configurationSymbol, cocoUUT, new ExpectedErrorInfo(3, ErrorCodes.TRAINED_ARCHITECTURE_ERROR));
+    }
+
+    @Test
+    public void testInvalidActionDimensionUnequalToOUParameterDimension2() {
+        //given
+        CNNTrainConfigurationSymbolCoCo cocoUUT = new CheckOUParameterDimensionEqualsActionDimension();
+        ConfigurationSymbol configurationSymbol = getConfigurationSymbolFrom("invalid_cocos_tests",
+        "UnequalOUDim2", NNBuilder.getValidTrainedArchitecture(), NNBuilder.getValidCriticArchitecture());
+
+        // when
+        checkInvalidTrainedArchitecture(
+            configurationSymbol, cocoUUT, new ExpectedErrorInfo(2, ErrorCodes.TRAINED_ARCHITECTURE_ERROR));
+    }
+
+    @Test
+    public void testInvalidActionDimensionUnequalToOUParameterDimension3() {
+        //given
+        CNNTrainConfigurationSymbolCoCo cocoUUT = new CheckOUParameterDimensionEqualsActionDimension();
+        ConfigurationSymbol configurationSymbol = getConfigurationSymbolFrom("invalid_cocos_tests",
+        "UnequalOUDim3", NNBuilder.getValidTrainedArchitecture(), NNBuilder.getValidCriticArchitecture());
+
+        // when
+        checkInvalidTrainedArchitecture(
+            configurationSymbol, cocoUUT, new ExpectedErrorInfo(1, ErrorCodes.TRAINED_ARCHITECTURE_ERROR));
+    }
+
+    @Test
+    public void testInvalidCriticHasNotOneDimensionalOutput() {
+        //given
+        CNNTrainConfigurationSymbolCoCo cocoUUT = new CheckCriticNetworkHasExactlyAOneDimensionalOutput();
+        NNArchitectureSymbol criticWithThreeDimensionalOutput = NNBuilder.getCriticWithThreeDimensionalOutput();
+        ConfigurationSymbol configurationSymbol = getConfigurationSymbolFrom("valid_tests", "TD3Config",
+            NNBuilder.getValidTrainedArchitecture(), criticWithThreeDimensionalOutput);
+
+        // when
+        checkInvalidCriticArchitecture(configurationSymbol, cocoUUT,
+            new ExpectedErrorInfo(1, ErrorCodes.CRITIC_NETWORK_ERROR));
+    }
+
+    @Test
+    public void testInvalidCriticHasTwoOutputs() {
+        // given
+        CNNTrainConfigurationSymbolCoCo cocoUUT = new CheckCriticNetworkHasExactlyAOneDimensionalOutput();
+        NNArchitectureSymbol criticWithThreeDimensionalOutput = NNBuilder.getCriticWithTwoOutputs();
+        ConfigurationSymbol configurationSymbol = getConfigurationSymbolFrom("valid_tests", "TD3Config",
+            NNBuilder.getValidTrainedArchitecture(), criticWithThreeDimensionalOutput);
+
+        // when
+        checkInvalidCriticArchitecture(configurationSymbol, cocoUUT,
+            new ExpectedErrorInfo(1, ErrorCodes.CRITIC_NETWORK_ERROR));
+    }
+
+    @Test
+    public void testInvalidCriticHasDifferentStateDimensions() {
+        // given
+        CNNTrainConfigurationSymbolCoCo cocoUUT = new CheckCriticNetworkInputs();
+        NNArchitectureSymbol criticWithDifferentDimensions = NNBuilder.getCriticWithDifferentStateDimensions();
+        ConfigurationSymbol configurationSymbol = getConfigurationSymbolFrom("valid_tests", "TD3Config",
+            NNBuilder.getValidTrainedArchitecture(), criticWithDifferentDimensions);
+
+        // when
+        checkInvalidCriticArchitecture(configurationSymbol, cocoUUT,
+            new ExpectedErrorInfo(1, ErrorCodes.CRITIC_NETWORK_ERROR));
+    }
+    
+    @Test
+    public void testInvalidCriticHasDifferentActionDimensions() {
+        // given
+        CNNTrainConfigurationSymbolCoCo cocoUUT = new CheckCriticNetworkInputs();
+        NNArchitectureSymbol criticWithDifferentDimensions = NNBuilder.getCriticWithDifferentActionDimensions();
+        ConfigurationSymbol configurationSymbol = getConfigurationSymbolFrom("valid_tests", "TD3Config",
+            NNBuilder.getValidTrainedArchitecture(), criticWithDifferentDimensions);
+
+        // when
+        checkInvalidCriticArchitecture(configurationSymbol, cocoUUT,
+            new ExpectedErrorInfo(1, ErrorCodes.CRITIC_NETWORK_ERROR));
+    }
+
+    @Test
+    public void testInvalidCriticHasDifferentStateTypes() {
+        // given
+        CNNTrainConfigurationSymbolCoCo cocoUUT = new CheckCriticNetworkInputs();
+        NNArchitectureSymbol criticWithDifferentStateTypes = NNBuilder.getCriticWithDifferentStateTypes();
+        ConfigurationSymbol configurationSymbol = getConfigurationSymbolFrom("valid_tests", "TD3Config",
+            NNBuilder.getValidTrainedArchitecture(), criticWithDifferentStateTypes);
+
+        // when
+        checkInvalidCriticArchitecture(configurationSymbol, cocoUUT,
+            new ExpectedErrorInfo(1, ErrorCodes.CRITIC_NETWORK_ERROR));
+    }
+
+    @Test
+    public void testInvalidCriticHasDifferentActionTypes() {
+        // given
+        CNNTrainConfigurationSymbolCoCo cocoUUT = new CheckCriticNetworkInputs();
+        NNArchitectureSymbol criticWithDifferentActionTypes = NNBuilder.getCriticWithDifferentActionTypes();
+        ConfigurationSymbol configurationSymbol = getConfigurationSymbolFrom("valid_tests", "TD3Config",
+            NNBuilder.getValidTrainedArchitecture(), criticWithDifferentActionTypes);
+
+        // when
+        checkInvalidCriticArchitecture(configurationSymbol, cocoUUT,
+            new ExpectedErrorInfo(1, ErrorCodes.CRITIC_NETWORK_ERROR));
+    }
+
+    @Test
+    public void testInvalidCriticHasDifferentStateRanges() {
+        // given
+        CNNTrainConfigurationSymbolCoCo cocoUUT = new CheckCriticNetworkInputs();
+        NNArchitectureSymbol criticWithDifferentStateRanges = NNBuilder.getCriticWithDifferentStateRanges();
+        ConfigurationSymbol configurationSymbol = getConfigurationSymbolFrom("valid_tests", "TD3Config",
+            NNBuilder.getValidTrainedArchitecture(), criticWithDifferentStateRanges);
+
+        // when
+        checkInvalidCriticArchitecture(configurationSymbol, cocoUUT,
+            new ExpectedErrorInfo(1, ErrorCodes.CRITIC_NETWORK_ERROR));
+    }
+
+    @Test
+    public void testInvalidCriticHasDifferentActionRanges() {
+        // given
+        CNNTrainConfigurationSymbolCoCo cocoUUT = new CheckCriticNetworkInputs();
+        NNArchitectureSymbol criticWithDifferentActionRanges = NNBuilder.getCriticWithDifferentActionRanges();
+        ConfigurationSymbol configurationSymbol = getConfigurationSymbolFrom("valid_tests", "TD3Config",
+            NNBuilder.getValidTrainedArchitecture(), criticWithDifferentActionRanges);
+
+        // when
+        checkInvalidCriticArchitecture(configurationSymbol, cocoUUT,
+            new ExpectedErrorInfo(1, ErrorCodes.CRITIC_NETWORK_ERROR));
+    }
+
+    @Test
+    public void testInvalidTrainedArchitectureWithMultidimensionalAction() {
+        // given
+        CNNTrainConfigurationSymbolCoCo cocoUUT = new CheckTrainedArchitectureHasVectorAction();
+        NNArchitectureSymbol actorWithMultidimensionalAction = NNBuilder.getTrainedArchitectureWithMultidimensionalAction();
+        NNArchitectureSymbol criticWithMultidimensionalAction = NNBuilder.getCriticWithMultidimensionalAction();
+        ConfigurationSymbol configurationSymbol = getConfigurationSymbolFrom("valid_tests", "TD3Config",
+            actorWithMultidimensionalAction, criticWithMultidimensionalAction);
+        // when
+        checkInvalidTrainedArchitecture(configurationSymbol, cocoUUT,
+            new ExpectedErrorInfo(1, ErrorCodes.TRAINED_ARCHITECTURE_ERROR));
+    }
+
+    private ConfigurationSymbol getConfigurationSymbolFrom(final String modelPath, final String model,
+                                                           final NNArchitectureSymbol actorArchitecture, final NNArchitectureSymbol criticArchitecture) {
+        final ConfigurationSymbol configurationSymbol = getConfigurationSymbolByPath( modelPath, model);
+        configurationSymbol.setTrainedArchitecture(actorArchitecture);
+        configurationSymbol.setCriticNetwork(criticArchitecture);
+        return configurationSymbol;
+    }
+
+    private ConfigurationSymbol getConfigurationSymbolByPath(final String modelPath, final String model) {
+        return getCompilationUnitSymbol(modelPath, model).getConfiguration();
+    }
+
+    private enum CheckOption {
+        TRAINED_ARCHITECTURE_COCOS,
+        CRITIC_ARCHITECTURE_COCOS,
+    }
+
+    private void checkInvalidArchitecture(
+        final ConfigurationSymbol configurationSymbol,
+        final CNNTrainConfigurationSymbolCoCo cocoUUT,
+        final ExpectedErrorInfo expectedErrors,
+        final CheckOption checkOption) {
+        Log.getFindings().clear();
+
+        if (checkOption.equals(CheckOption.TRAINED_ARCHITECTURE_COCOS)) {
+            CNNTrainCocos.checkTrainedArchitectureCoCos(configurationSymbol);
+        } else {
+            CNNTrainCocos.checkCriticCocos(configurationSymbol);
+        }
+
+        expectedErrors.checkExpectedPresent(Log.getFindings(), "Got no findings when checking all "
+                + "cocos. Did you forget to add the new coco to MontiArcCocos?");
+        Log.getFindings().clear();
+        CNNTrainConfigurationSymbolChecker checker = new CNNTrainConfigurationSymbolChecker().addCoCo(cocoUUT);
+        checker.checkAll(configurationSymbol);
+        expectedErrors.checkOnlyExpectedPresent(Log.getFindings(), "Got no findings when checking only "
+                + "the given coco. Did you pass an empty coco checker?");
+    }
+
+    private void checkInvalidTrainedArchitecture(
+        final ConfigurationSymbol configurationSymbol,
+        final CNNTrainConfigurationSymbolCoCo cocoUUT,
+        ExpectedErrorInfo expectedErrors) {
+        checkInvalidArchitecture(configurationSymbol, cocoUUT, expectedErrors, CheckOption.TRAINED_ARCHITECTURE_COCOS);
+    }
+
+    private void checkInvalidCriticArchitecture(
+        final ConfigurationSymbol configurationSymbol,
+        final CNNTrainConfigurationSymbolCoCo cocoUUT,
+        ExpectedErrorInfo expectedErrors) {
+        checkInvalidArchitecture(configurationSymbol, cocoUUT, expectedErrors, CheckOption.CRITIC_ARCHITECTURE_COCOS);
+    }
+
+    private void checkValidTrainedArchitecture(final ConfigurationSymbol configurationSymbol) {
+        Log.getFindings().clear();
+        CNNTrainCocos.checkTrainedArchitectureCoCos(configurationSymbol);
+        new ExpectedErrorInfo().checkOnlyExpectedPresent(Log.getFindings());
+    }
+
+    private void checkValidCriticArchitecture(final ConfigurationSymbol configurationSymbol) {
+        Log.getFindings().clear();
+        CNNTrainCocos.checkCriticCocos(configurationSymbol);
+        new ExpectedErrorInfo().checkOnlyExpectedPresent(Log.getFindings());
+    }
+}

src/test/java/de/monticore/lang/monticar/cnntrain/cocos/NNArchitecturerBuilder.java

+/**
+ * (c) https://github.com/MontiCore/monticore
+ *
+ * The license generally applicable for this project
+ * can be found under https://github.com/MontiCore/monticore.
+ */
+package de.monticore.lang.monticar.cnntrain.cocos;
+
+import com.google.common.collect.ImmutableMap;
+import com.google.common.collect.Lists;
+import com.google.common.collect.Maps;
+import de.monticore.lang.monticar.cnntrain._symboltable.NNArchitectureSymbol;
+import de.monticore.lang.monticar.cnntrain.annotations.Range;
+
+import java.awt.*;
+import java.util.List;
+import java.util.Map;
+
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+public class NNArchitecturerBuilder {
+    private static final String ACTOR_NN_NAME ="ActorNetwork";
+    private static final String ACTOR_STATE_NAME = "actorState";
+    private static final List<Integer> ACTOR_STATE_DIM = Lists.newArrayList(25);
+    private static final String ACTOR_STATE_TYPE = "Q";
+    private static final Range ACTOR_STATE_RANGE = Range.withInfinityLimits();
+
+    private static final String ACTOR_ACTION_NAME = "actorAction";
+    private static final List<Integer> ACTOR_ACTION_DIM = Lists.newArrayList(3);
+    private static final String ACTOR_ACTION_TYPE = "Q";
+    private static final Range ACTOR_ACTION_RANGE = Range.withLimits(0, 1);
+
+    private static final String CRITIC_NN_NAME = "CriticNetwork";
+    private static final String CRITIC_STATE_NAME = "criticState";
+    private static final String CRITIC_ACTION_NAME = "criticAction";
+    private static final String CRITIC_QVALUE_NAME = "criticQValue";
+
+    public NNArchitectureSymbol getCriticWithDifferentStateRanges() {
+        Map<String, Range> ranges = getValidCriticRanges();
+        ranges.put(CRITIC_STATE_NAME, Range.withLowerInfinityLimit(5.0));
+        return getNNArchitectureSymbolFrom(CRITIC_NN_NAME, getValidCriticInputs(), getValidCriticOutputs(),
+            getValidCriticDimensions(), getValidCriticTypes(), ranges);
+    }
+
+    public NNArchitectureSymbol getCriticWithDifferentActionRanges() {
+        Map<String, Range> ranges = getValidCriticRanges();
+        ranges.put(CRITIC_ACTION_NAME, Range.withLimits(-3.5, 3.5));
+        return getNNArchitectureSymbolFrom(CRITIC_NN_NAME, getValidCriticInputs(), getValidCriticOutputs(),
+            getValidCriticDimensions(), getValidCriticTypes(), ranges);
+    }
+
+    public NNArchitectureSymbol getCriticWithDifferentActionTypes() {
+        Map<String, String> types = getValidCriticTypes();
+        types.put(CRITIC_ACTION_NAME, "Z");
+        return getNNArchitectureSymbolFrom(CRITIC_NN_NAME, getValidCriticInputs(), getValidCriticOutputs(),
+            getValidCriticDimensions(), types, getValidCriticRanges());
+    }
+
+    public NNArchitectureSymbol getCriticWithDifferentStateTypes() {
+        Map<String, String> types = getValidCriticTypes();
+        types.put(CRITIC_STATE_NAME, "Z");
+        return getNNArchitectureSymbolFrom(CRITIC_NN_NAME, getValidCriticInputs(), getValidCriticOutputs(),
+            getValidCriticDimensions(), types, getValidCriticRanges());
+    }
+
+    public NNArchitectureSymbol getCriticWithDifferentActionDimensions() {
+        Map<String, List<Integer>> dimensions = getValidCriticDimensions();
+        dimensions.put(CRITIC_ACTION_NAME, Lists.newArrayList(28));
+        return getNNArchitectureSymbolFrom(CRITIC_NN_NAME, getValidCriticInputs(), getValidCriticOutputs(), dimensions,
+            getValidCriticTypes(), getValidCriticRanges());
+    }
+
+    public NNArchitectureSymbol getCriticWithDifferentStateDimensions() {
+        Map<String, List<Integer>> dimensions = getValidCriticDimensions();
+        dimensions.put(CRITIC_STATE_NAME, Lists.newArrayList(12));
+        return getNNArchitectureSymbolFrom(CRITIC_NN_NAME, getValidCriticInputs(), getValidCriticOutputs(), dimensions,
+            getValidCriticTypes(), getValidCriticRanges());
+    }
+
+    public NNArchitectureSymbol getCriticWithTwoOutputs() {
+        final String anySecondOutputName = "qvalue2";
+        List<String> outputNames = getValidCriticOutputs();
+        outputNames.add(anySecondOutputName);
+        Map<String, List<Integer>> dimensions = getValidCriticDimensions();
+        dimensions.put(anySecondOutputName, Lists.newArrayList(2));
+        Map<String, String> types = getValidCriticTypes();
+        types.put(anySecondOutputName, "Q");
+        Map<String, Range> ranges = getValidCriticRanges();
+        ranges.put(anySecondOutputName, Range.withInfinityLimits());
+
+        return getNNArchitectureSymbolFrom(ACTOR_NN_NAME, getValidCriticInputs(), outputNames, dimensions, types, ranges);
+    }
+
+    public NNArchitectureSymbol getCriticWithThreeDimensionalOutput() {
+        Map<String, List<Integer>> dimensions = getValidCriticDimensions();
+        dimensions.put(CRITIC_QVALUE_NAME, Lists.newArrayList(4));
+        return getNNArchitectureSymbolFrom(CRITIC_NN_NAME, getValidCriticInputs(), getValidCriticOutputs(),
+            dimensions, getValidCriticTypes(), getValidCriticRanges());
+    }
+
+    public NNArchitectureSymbol getTrainedArchitectureWithTwoOutputs() {
+        final String anySecondOutputName = "action2";
+        List<String> outputNames = getValidActorOutputs();
+        outputNames.add(anySecondOutputName);
+        Map<String, List<Integer>> dimensions = getValidActorDimensions();
+        dimensions.put(anySecondOutputName, Lists.newArrayList(2));
+        Map<String, String> types = getValidActorTypes();
+        types.put(anySecondOutputName, "Q");
+        Map<String, Range> ranges = getValidActorRanges();
+        ranges.put(anySecondOutputName, Range.withInfinityLimits());
+
+        return getNNArchitectureSymbolFrom(ACTOR_NN_NAME, getValidActorInputs(), outputNames, dimensions, types, ranges);
+    }
+
+    public NNArchitectureSymbol getTrainedArchitectureWithTwoInputs() {
+        final String anySecondInputName = "state2";
+        List<String> inputNames = getValidActorInputs();
+        inputNames.add(anySecondInputName);
+        Map<String, List<Integer>> dimensions = getValidActorDimensions();
+        dimensions.put(anySecondInputName, Lists.newArrayList(2));
+        Map<String, String> types = getValidActorTypes();
+        types.put(anySecondInputName, "Q");
+        Map<String, Range> ranges = getValidActorRanges();
+        ranges.put(anySecondInputName, Range.withInfinityLimits());
+
+        return getNNArchitectureSymbolFrom(ACTOR_NN_NAME, inputNames, getValidActorOutputs(), dimensions, types, ranges);
+
+    }
+
+    public NNArchitectureSymbol getNNArchitectureSymbolFrom(String name, List<String> inputs, List<String> outputs,
+        Map<String, List<Integer>> dimensions, Map<String, String> types, Map<String, Range> ranges)
+    {
+        NNArchitectureSymbol architectureSymbolMock = mock(NNArchitectureSymbol.class);
+        when(architectureSymbolMock.getName()).thenReturn(name);
+        when(architectureSymbolMock.getInputs()).thenReturn(inputs);
+        when(architectureSymbolMock.getOutputs()).thenReturn(outputs);
+        when(architectureSymbolMock.getDimensions()).thenReturn(dimensions);
+        when(architectureSymbolMock.getTypes()).thenReturn(types);
+        when(architectureSymbolMock.getRanges()).thenReturn(ranges);
+
+        return architectureSymbolMock;
+    }
+
+    public NNArchitectureSymbol getValidTrainedArchitecture() {
+        return getNNArchitectureSymbolFrom(ACTOR_NN_NAME,
+            getValidActorInputs(), getValidActorOutputs(), getValidActorDimensions(), getValidActorTypes(),
+            getValidActorRanges());
+    }
+
+    public Map<String, Range> getValidActorRanges() {
+        return Maps.newHashMap(ImmutableMap.<String, Range>builder()
+            .put(ACTOR_STATE_NAME, ACTOR_STATE_RANGE)
+            .put(ACTOR_ACTION_NAME, ACTOR_ACTION_RANGE)
+            .build());
+    }
+
+    public Map<String, List<Integer>> getValidActorDimensions() {
+        return Maps.newHashMap(ImmutableMap.<String, List<Integer>>builder()
+            .put(ACTOR_STATE_NAME, ACTOR_STATE_DIM)
+            .put(ACTOR_ACTION_NAME, ACTOR_ACTION_DIM)
+            .build());
+    }
+
+    public List<String> getValidActorInputs() {
+        return Lists.newArrayList(ACTOR_STATE_NAME);
+    }
+
+    public List<String> getValidActorOutputs() {
+        return Lists.newArrayList(ACTOR_ACTION_NAME);
+    }
+
+    public Map<String, String> getValidActorTypes() {
+        return Maps.newHashMap(ImmutableMap.<String, String>builder()
+            .put(ACTOR_STATE_NAME, ACTOR_STATE_TYPE)
+            .put(ACTOR_ACTION_NAME, ACTOR_ACTION_TYPE)
+            .build());
+    }
+