Begun work on issue 316. Test project file is finished, but it won't recognize the steps yet (I'm not setting it up correcty right now).

Author: PaulaRudy

core/src/test/java/edu/wpi/grip/core/serialization/CompatibilityTest.java

@@ -0,0 +1,126 @@
+package edu.wpi.grip.core.serialization;
+
+import com.google.common.base.Throwables;
+import com.google.common.eventbus.EventBus;
+import com.google.common.eventbus.Subscribe;
+import com.google.inject.Guice;
+import com.google.inject.Injector;
+import com.google.inject.Key;
+import com.google.inject.TypeLiteral;
+import edu.wpi.grip.core.*;
+import edu.wpi.grip.core.events.OperationAddedEvent;
+import edu.wpi.grip.core.operations.Operations;
+import edu.wpi.grip.core.sources.ImageFileSource;
+import edu.wpi.grip.core.util.MockExceptionWitness;
+import edu.wpi.grip.generated.CVOperations;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.io.*;
+import java.net.URL;
+import java.nio.file.Paths;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Optional;
+
+import static junit.framework.TestCase.assertEquals;
+
+public class CompatibilityTest {
+
+    private Connection.Factory<Object> connectionFactory;
+    private ImageFileSource.Factory imageSourceFactory;
+    private Step.Factory stepFactory;
+    private Pipeline pipeline;
+    private Project project;
+
+
+    private List<Operation> operationList;
+    private Optional<Throwable> throwableOptional;
+    private EventBus eventBus;
+
+    private class OperationGrabber {
+        @Subscribe
+        public void onOperationAddedEvent(OperationAddedEvent event) {
+            operationList.add(event.getOperation());
+        }
+    }
+
+    @Before
+    public void setUp() throws Exception {
+
+        //Set up the stuff we need for the core functionality for GRIP
+        final Injector injector = Guice.createInjector(new GRIPCoreModule());
+        connectionFactory = injector
+                .getInstance(Key.get(new TypeLiteral<Connection.Factory<Object>>() {
+                }));
+        imageSourceFactory = injector
+                .getInstance(ImageFileSource.Factory.class);
+        eventBus = injector.getInstance(EventBus.class);
+        pipeline = injector.getInstance(Pipeline.class);
+        project = injector.getInstance(Project.class);
+        stepFactory = injector.getInstance(Step.Factory.class);
+
+        //Set up stuff we need to add the operations
+        this.operationList = new ArrayList<>();
+        this.throwableOptional = Optional.empty();
+        this.eventBus = new EventBus((exception, context) -> throwableOptional = Optional.of(exception));
+
+        //Set up the operation grabber to help us register the operations
+        this.eventBus.register(new OperationGrabber());
+
+        //Set up the test project file to work with this machine
+        URL location = CompatibilityTest.class.getProtectionDomain().getCodeSource().getLocation();
+
+        int numbOfFolders = Paths.get(location.toURI()).getNameCount();
+
+
+        String fileName = "/"+ Paths.get(location.toURI()).subpath(0,(numbOfFolders-4)).toString()+ "/testALL.grip";
+        String photoFileName = "/" + Paths.get(location.toURI()).subpath(0,(numbOfFolders-4)).toString()+ "/testphoto.png";
+
+        File file = new File(fileName);
+
+        Reader temp = new FileReader(file);
+        BufferedReader reader = new BufferedReader(temp);
+        String line = "", oldtext = "";
+        while ((line = reader.readLine()) != null) {
+            oldtext += line + "\r\n";
+        }
+        reader.close();
+        String newtext = oldtext.replaceAll("REPLACEME", photoFileName);
+        //TODO: replace "preferences" section to work with this machine
+        FileWriter writer2 = new FileWriter(file);
+        writer2.write(newtext);
+        writer2.close();
+
+        //Add/register/create the operations
+        CVOperations.addOperations(eventBus);
+        for (Operation operation : operationList) {
+            new Step.Factory(eventBus, (origin) -> new MockExceptionWitness(eventBus, origin)).create(operation);
+        }
+
+        Operations.addOperations(eventBus);
+        for (Operation operation : operationList) {
+            new Step.Factory(eventBus, (origin) -> new MockExceptionWitness(eventBus, origin)).create(operation);
+        }
+
+        //Open the test file as a project
+        project.open(file);
+    }
+
+    @After
+    public void afterTest() {
+        //Throw any exceptions that weren't handled during the test
+        if (throwableOptional.isPresent()) {
+            throw Throwables.propagate(throwableOptional.get());
+        }
+    }
+
+    @Test
+    public void testFoo() throws Exception {
+
+        assertEquals("blarg",
+                3, 3);
+
+    }
+}