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-rw-r--r--src/jcgp/tests/ChromosomeTests.java124
-rw-r--r--src/jcgp/tests/InputTests.java2
-rw-r--r--src/jcgp/tests/NodeTests.java99
-rw-r--r--src/jcgp/tests/OutputTests.java6
-rw-r--r--src/jcgp/tests/PopulationTests.java2
5 files changed, 105 insertions, 128 deletions
diff --git a/src/jcgp/tests/ChromosomeTests.java b/src/jcgp/tests/ChromosomeTests.java
index d2407a6..8092d60 100644
--- a/src/jcgp/tests/ChromosomeTests.java
+++ b/src/jcgp/tests/ChromosomeTests.java
@@ -6,7 +6,6 @@ import java.util.Random;
import jcgp.Parameters;
import jcgp.Utilities;
-import jcgp.fitness.ParameterMismatchException;
import jcgp.function.Addition;
import jcgp.function.FunctionSet;
import jcgp.function.Subtraction;
@@ -31,8 +30,7 @@ import org.junit.Test;
* - It should be able to return a random connection.
* - It should contain a freely modifiable fitness value.
* - For truth table evaluations, it should be able to have its inputs set.
- * - For truth table evaluations, the output should return a value according to what
- * it is set to.
+ * - For truth table evaluations, the output should return a value according to the inputs.
* - It should feature a clone constructor, which creates a deep copy of a
* specified Chromosome object.
* - It should be able to return a list of active nodes.
@@ -40,7 +38,6 @@ import org.junit.Test;
* to it.
* - Same as above, but only looking at the active portion of a chromosome.
*
- * TODO: bashing (strange value ranges, etc)
*
* WARNING: changing parameters may cause the tests to incorrectly fail!
*
@@ -60,19 +57,19 @@ public class ChromosomeTests {
Utilities.setResources(new Random(1234), functionSet);
// initialise parameters
- Parameters.setColumns(30);
- Parameters.setRows(20);
- Parameters.setInputs(2);
- Parameters.setOutputs(4);
- Parameters.setLevelsBack(1);
Parameters.setMutationRate(10);
- Parameters.setTotalGenerations(100);
+ Parameters.setTotalGenerations(10);
Parameters.setTotalRuns(5);
Parameters.setMaxArity(functionSet.getMaxArity());
}
@Before
public void setUp() throws Exception {
+ Parameters.setColumns(10);
+ Parameters.setRows(2);
+ Parameters.setInputs(2);
+ Parameters.setOutputs(4);
+ Parameters.setLevelsBack(10);
chromosome = new Chromosome();
}
@@ -81,7 +78,6 @@ public class ChromosomeTests {
*/
@Test
public void cloneTest() {
- int[] testInputs;
// create a clone, check to see if it really is a clone
Chromosome clone = new Chromosome(chromosome);
@@ -146,29 +142,26 @@ public class ChromosomeTests {
}
}
- // set input values
- testInputs = new int[Parameters.getInputs()];
- for (int i = 0; i < Parameters.getInputs(); i++) {
- testInputs[i] = (i + 1) * 2 - 3;
- }
- chromosome.setInputs(testInputs);
- clone.setInputs(testInputs);
+ // check cloning given a known topology
+ chromosome = createKnownConfiguration();
+ clone = new Chromosome(chromosome);
+
+ Integer[] testInputs = new Integer[] {5, 8, 4};
+ chromosome.setInputs((Object[]) testInputs);
+ clone.setInputs((Object[]) testInputs);
// check that both chromosomes have the same outputs
for (int i = 0; i < Parameters.getOutputs(); i++) {
- assertTrue("Incorrect output returned.", chromosome.getOutput(i).calculate() ==
- clone.getOutput(i).calculate());
+ assertTrue("Incorrect output returned", ((Integer) chromosome.getOutput(i).calculate()) == ((Integer) clone.getOutput(i).calculate()));
}
- // mutate an active node in clone, check that the same node in chromosome produces a different output
- // NOTE: given a small grid this mutation may actually pick the same connection (causing no effective change) and therefore the test would fail.
- Node node = clone.getActiveNodes().get(Utilities.getRandomInt(clone.getActiveNodes().size()));
- node.setConnection(clone.getRandomConnection(node.getColumn()));
+ // mutate an output in clone, check that the same node in chromosome produces a different output
+ clone.getOutput(1).setConnection(clone.getInput(2));
- assertTrue("Mutation affected both nodes in both chromosomes.", node.getValue() != chromosome.getNode(node.getRow(), node.getColumn()).getValue());
+ assertTrue("Mutation affected nodes in both chromosomes.",
+ clone.getOutput(1).calculate() != chromosome.getOutput(1).calculate());
}
-
/**
*
*/
@@ -217,7 +210,6 @@ public class ChromosomeTests {
System.out.println(connectionOutOfRange + " nodes that disrespected levels back were picked.");
}
-
/**
*
*/
@@ -249,27 +241,28 @@ public class ChromosomeTests {
*/
@Test
public void getOutputsTest() {
- // connect outputs to inputs, check that calculated outputs return input values
- for (int i = 0; i < Parameters.getOutputs(); i++) {
- chromosome.getOutput(i).setConnection(chromosome.getInput(i % Parameters.getInputs()));
- assertTrue("Incorrect output returned.", chromosome.getOutput(i).calculate() ==
- chromosome.getInput(i % Parameters.getInputs()).getValue());
- }
+ chromosome = createKnownConfiguration();
+
+ chromosome.setInputs(5, 8, 4);
+
+ // with this configuration, the outputs should be 13 and 25.
+ assertTrue("Incorrect output returned.", (Integer) chromosome.getOutput(0).calculate() == 13);
+ assertTrue("Incorrect output returned.", (Integer) chromosome.getOutput(1).calculate() == 25);
}
/**
- * @throws ParameterMismatchException
+ *
*/
@Test
- public void setInputTest() throws ParameterMismatchException {
+ public void setInputTest() {
// set input values, check that acquired values are correct
- int[] testInputs = new int[Parameters.getInputs()];
+ Integer[] testInputs = new Integer[Parameters.getInputs()];
for (int i = 0; i < Parameters.getInputs(); i++) {
testInputs[i] = i * 2 - 3;
}
- chromosome.setInputs(testInputs);
+ chromosome.setInputs((Object[]) testInputs);
for (int i = 0; i < Parameters.getInputs(); i++) {
- assertTrue("Incorrect input returned.", chromosome.getInput(i).getValue() == i * 2 - 3);
+ assertTrue("Incorrect input returned.", ((Integer) chromosome.getInput(i).getValue()) == i * 2 - 3);
}
}
@@ -294,20 +287,15 @@ public class ChromosomeTests {
public void activeNodeTest() {
// active node detection happens recursively, the user only calls a single method
// set connections to a known configuration
- for (int i = 0; i < Parameters.getOutputs(); i++) {
- chromosome.getOutput(i).setConnection(chromosome.getNode(0, 0));
- }
-
- chromosome.getNode(0, 0).setConnection(chromosome.getInput(0));
-
- assertTrue("Active node not in list.", chromosome.getActiveNodes().contains(chromosome.getNode(0, 0)));
-
- // change outputs, print list
- chromosome.getOutput(0).setConnection(chromosome.getNode(0, Parameters.getColumns() - 1));
-
- System.out.println("Active connections: " + chromosome.getActiveNodes().toString() + "\n");
+ chromosome = createKnownConfiguration();
+
+ assertTrue("Active node missing from list.", chromosome.getActiveNodes().contains(chromosome.getNode(0, 0)));
+ assertTrue("Active node missing from list.", chromosome.getActiveNodes().contains(chromosome.getNode(1, 1)));
+ assertTrue("Active node missing from list.", chromosome.getActiveNodes().contains(chromosome.getNode(1, 2)));
+
+ assertTrue("List has the wrong number of nodes.", chromosome.getActiveNodes().size() == 3);
}
-
+
/**
*
*/
@@ -317,12 +305,12 @@ public class ChromosomeTests {
Chromosome c = new Chromosome(chromosome);
assertTrue("Active nodes did not match.", chromosome.compareActiveTo(c));
assertTrue("Symmetry not obeyed.", c.compareActiveTo(chromosome));
-
+
// create a new random chromosome, this time they should not match
c = new Chromosome();
assertTrue("Active nodes did match.", !chromosome.compareActiveTo(c));
}
-
+
/**
*
*/
@@ -332,9 +320,37 @@ public class ChromosomeTests {
Chromosome c = new Chromosome(chromosome);
assertTrue("Chromosomes did not match.", chromosome.compareTo(c));
assertTrue("Symmetry not obeyed.", c.compareTo(chromosome));
-
+
// create a new random chromosome, this time they should not match
c = new Chromosome();
assertTrue("Chromosomes did match.", !chromosome.compareTo(c));
}
+ /**
+ * Utility for creating a chromosome of known configuration.
+ * Topology is 3x3, with 3 inputs and 2 outputs.
+ * Given inputs 5, 8 and 4 outputs should be 13 and 25.
+ *
+ * Active nodes (r, c): [0, 0], [1, 1], [1, 2]
+ *
+ * @return the configured chromosome
+ */
+ private Chromosome createKnownConfiguration() {
+ // with a small topology, build a chromosome of known connections and check outputs
+ Parameters.setColumns(3);
+ Parameters.setRows(3);
+ Parameters.setInputs(3);
+ Parameters.setOutputs(2);
+ Parameters.setLevelsBack(3);
+
+ Chromosome c = new Chromosome();
+
+ c.getNode(0, 0).initialise(Utilities.getFunction(0), c.getInput(0), c.getInput(1));
+ c.getNode(1, 1).initialise(Utilities.getFunction(0), c.getNode(0, 0), c.getInput(1));
+ c.getNode(1, 2).initialise(Utilities.getFunction(0), c.getNode(1, 1), c.getInput(2));
+
+ c.getOutput(0).setConnection(c.getNode(0, 0));
+ c.getOutput(1).setConnection(c.getNode(1, 2));
+
+ return c;
+ }
}
diff --git a/src/jcgp/tests/InputTests.java b/src/jcgp/tests/InputTests.java
index 3803990..51d58d2 100644
--- a/src/jcgp/tests/InputTests.java
+++ b/src/jcgp/tests/InputTests.java
@@ -35,7 +35,7 @@ public class InputTests {
// assign a value to input, check that the returned value is correct
input.setValue(inputValue);
- assertTrue("Incorrect value returned.", input.getValue() == inputValue);
+ assertTrue("Incorrect value returned.", ((Integer) input.getValue()) == inputValue);
}
@Test
diff --git a/src/jcgp/tests/NodeTests.java b/src/jcgp/tests/NodeTests.java
index 5b378d2..9ea6769 100644
--- a/src/jcgp/tests/NodeTests.java
+++ b/src/jcgp/tests/NodeTests.java
@@ -6,11 +6,11 @@ import java.util.Random;
import jcgp.Parameters;
import jcgp.Utilities;
+import jcgp.function.Addition;
import jcgp.function.Function;
-import jcgp.function.InsufficientArgumentsException;
+import jcgp.function.Subtraction;
import jcgp.population.Chromosome;
import jcgp.population.Connection;
-import jcgp.population.InsufficientConnectionsException;
import jcgp.population.Node;
import org.junit.Before;
@@ -63,44 +63,25 @@ public class NodeTests {
public void setUp() throws Exception {
node = new Node(chromosome, 0, 0);
// make node with anonymous addition function and hard-coded value connections
- node.initialise(new Function() {
- private int arity = 2;
+ node.initialise(new Addition(),
+ new Connection[]{new Connection() {
- @Override
- public int run(Connection... connections) {
-
- // add together the first n inputs if they exist, else throw exception
- if (connections.length >= arity) {
- return connections[0].getValue() + connections[1].getValue();
- } else {
- throw new InsufficientArgumentsException();
- }
- }
+ @Override
+ public Object getValue() {
+ // hardcode a value
+ return arg1;
+ }
- @Override
- public int getArity() {
- // addition with arity 2
- return arity;
- }
+ },
+ new Connection() {
- }, new Connection[]{new Connection() {
+ @Override
+ public Object getValue() {
+ // hardcode a value
+ return arg2;
+ }
- @Override
- public int getValue() {
- // hardcode a value
- return arg1;
- }
-
- },
- new Connection() {
-
- @Override
- public int getValue() {
- // hardcode a value
- return arg2;
- }
-
- }});
+ }});
}
@Test
@@ -115,8 +96,7 @@ public class NodeTests {
Function f = new Function() {
@Override
- public int run(Connection... connections)
- throws InsufficientConnectionsException {
+ public Object run(Connection... connections) {
// blank
return 0;
}
@@ -133,36 +113,19 @@ public class NodeTests {
// check that the function returned by the node is f
assertTrue("Incorrect function returned.", node.getFunction() == f);
// check that it outputs 0 as it should
- assertTrue("Incorrect function output.", node.getValue() == 0);
+ assertTrue("Incorrect function output.", ((Integer) node.getValue()) == 0);
}
@Test
public void evaluationTest() {
// check that addition is working
- assertTrue("Node did not return expected value (sum of arguments).", node.getValue() == arg1 + arg2);
+ assertTrue("Node did not return expected value (sum of arguments). Output was: " + ((int) node.getValue()),
+ ((int) node.getValue()) == arg1 + arg2);
// put in a different function, check the output has changed appropriately
- node.setFunction(new Function() {
+ node.setFunction(new Subtraction());
- private int arity = 2;
-
- @Override
- public int run(Connection... connections) throws InsufficientConnectionsException {
- // add together the first n inputs if they exist, else throw exception
- if (connections.length >= arity) {
- return connections[0].getValue() - connections[1].getValue();
- } else {
- throw new InsufficientArgumentsException();
- }
- }
-
- @Override
- public int getArity() {
- return arity;
- }
- });
-
- assertTrue("Node did not return expected value (difference of arguments).", node.getValue() == arg1 - arg2);
+ assertTrue("Node did not return expected value (difference of arguments).", ((Integer) node.getValue()) == arg1 - arg2);
}
@@ -173,7 +136,7 @@ public class NodeTests {
conn0 = new Connection() {
@Override
- public int getValue() {
+ public Object getValue() {
// blank
return 0;
}
@@ -182,31 +145,31 @@ public class NodeTests {
conn1 = new Connection() {
@Override
- public int getValue() {
+ public Object getValue() {
// blank
return 0;
}
};
node.initialise(null, conn0, conn1);
-
+
assertTrue("Connection 0 is incorrect.", node.getConnection(0) == conn0);
assertTrue("Connection 1 is incorrect.", node.getConnection(1) == conn1);
-
+
// make yet another connection, set it randomly, check that it is one of the node's connections
conn2 = new Connection() {
@Override
- public int getValue() {
+ public Object getValue() {
// blank
return 0;
}
};
node.setConnection(conn2);
-
+
assertTrue("Connection was not found in node.", node.getConnection(0) == conn2 || node.getConnection(1) == conn2);
-
+
}
-
+
}
diff --git a/src/jcgp/tests/OutputTests.java b/src/jcgp/tests/OutputTests.java
index 04eac7f..c877c03 100644
--- a/src/jcgp/tests/OutputTests.java
+++ b/src/jcgp/tests/OutputTests.java
@@ -64,13 +64,13 @@ public class OutputTests {
output.setConnection(new Connection() {
@Override
- public int getValue() {
+ public Object getValue() {
// test value
return outputValue;
}
});
- assertTrue("Incorrect evaluation.", output.calculate() == outputValue);
+ assertTrue("Incorrect evaluation.", ((Integer) output.calculate()) == outputValue);
}
@Test
@@ -79,7 +79,7 @@ public class OutputTests {
Connection newConn = new Connection() {
@Override
- public int getValue() {
+ public Object getValue() {
// blank
return 0;
}
diff --git a/src/jcgp/tests/PopulationTests.java b/src/jcgp/tests/PopulationTests.java
index a8f55a2..bb8fece 100644
--- a/src/jcgp/tests/PopulationTests.java
+++ b/src/jcgp/tests/PopulationTests.java
@@ -170,7 +170,5 @@ public class PopulationTests {
}
}
}
-
}
-
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 13:19:25 +0000