diff --git a/main/tests/server/src/com/google/refine/tests/process/HistoryProcessTests.java b/main/tests/server/src/com/google/refine/tests/process/HistoryProcessTests.java
new file mode 100644
index 000000000..0c4da94da
--- /dev/null
+++ b/main/tests/server/src/com/google/refine/tests/process/HistoryProcessTests.java
@@ -0,0 +1,44 @@
+package com.google.refine.tests.process;
+
+import static org.mockito.Mockito.mock;
+
+import org.testng.annotations.BeforeMethod;
+import org.testng.annotations.Test;
+
+import com.google.refine.ProjectManager;
+import com.google.refine.history.Change;
+import com.google.refine.history.HistoryEntry;
+import com.google.refine.history.HistoryProcess;
+import com.google.refine.model.AbstractOperation;
+import com.google.refine.model.Project;
+import com.google.refine.model.metadata.ProjectMetadata;
+import com.google.refine.tests.RefineTest;
+import com.google.refine.tests.util.TestUtils;
+
+public class HistoryProcessTests extends RefineTest {
+    
+    private Project project;
+    private ProjectMetadata projectMetadata;
+
+    @BeforeMethod
+    public void setUp() {
+        project = new Project();
+        projectMetadata = mock(ProjectMetadata.class);
+        ProjectManager.singleton.registerProject(project, projectMetadata);
+        AbstractOperation op = mock(AbstractOperation.class);
+        Change ch = mock(Change.class);
+        HistoryEntry entry = new HistoryEntry(1234L, project, "first operation", op, ch);
+        project.history.addEntry(entry);
+        entry = new HistoryEntry(5678L, project, "second operation", op, ch);
+        project.history.addEntry(entry);
+    }
+    
+    @Test
+    public void serializeHistoryProcess() {
+        HistoryProcess process = new HistoryProcess(project, 1234L);
+        TestUtils.isSerializedTo(process, "{"
+                + "\"description\":\"Undo/redo until after first operation\","
+                + "\"immediate\":true,"
+                + "\"status\":\"pending\"}");
+    }
+}
diff --git a/main/tests/server/src/com/google/refine/tests/process/LongRunningProcessTests.java b/main/tests/server/src/com/google/refine/tests/process/LongRunningProcessTests.java
new file mode 100644
index 000000000..6afab6845
--- /dev/null
+++ b/main/tests/server/src/com/google/refine/tests/process/LongRunningProcessTests.java
@@ -0,0 +1,33 @@
+package com.google.refine.tests.process;
+
+import org.testng.annotations.Test;
+
+import com.google.refine.process.LongRunningProcess;
+import com.google.refine.tests.util.TestUtils;
+
+public class LongRunningProcessTests {
+    
+    public static class LongRunningProcessStub extends LongRunningProcess {
+
+        protected LongRunningProcessStub(String description) {
+            super(description);
+        }
+
+        @Override
+        protected Runnable getRunnable() {
+            return null;
+        }
+        
+    }
+    @Test
+    public void serializeLongRunningProcess() {
+        LongRunningProcess process = new LongRunningProcessStub("some description");
+        int hashCode = process.hashCode();
+        TestUtils.isSerializedTo(process, "{"
+                + "\"id\":"+hashCode+","
+                + "\"description\":\"some description\","
+                + "\"immediate\":false,"
+                + "\"status\":\"pending\","
+                + "\"progress\":0}");
+    }
+}
diff --git a/main/tests/server/src/com/google/refine/tests/process/ProcessManagerTests.java b/main/tests/server/src/com/google/refine/tests/process/ProcessManagerTests.java
new file mode 100644
index 000000000..6a366518b
--- /dev/null
+++ b/main/tests/server/src/com/google/refine/tests/process/ProcessManagerTests.java
@@ -0,0 +1,31 @@
+package com.google.refine.tests.process;
+
+import org.testng.annotations.BeforeMethod;
+import org.testng.annotations.Test;
+
+import com.google.refine.process.LongRunningProcess;
+import com.google.refine.process.ProcessManager;
+import com.google.refine.process.Process;
+import com.google.refine.tests.util.TestUtils;
+import com.google.refine.util.JSONUtilities;
+
+public class ProcessManagerTests {
+    
+    ProcessManager processManager;
+    Process process;
+    
+    @BeforeMethod
+    public void setUp() {
+        processManager = new ProcessManager();
+        process = new LongRunningProcessTests.LongRunningProcessStub("some description");
+
+    }
+    
+    @Test
+    public void serializeProcessManager() throws Exception {
+        processManager.queueProcess(process);
+        String processJson = JSONUtilities.serialize(process);
+        TestUtils.isSerializedTo(processManager, "{"
+                + "\"processes\":["+processJson+"]}");
+    }
+}
diff --git a/main/tests/server/src/com/google/refine/tests/process/QuickHistoryEntryProcessTests.java b/main/tests/server/src/com/google/refine/tests/process/QuickHistoryEntryProcessTests.java
new file mode 100644
index 000000000..538eb3b01
--- /dev/null
+++ b/main/tests/server/src/com/google/refine/tests/process/QuickHistoryEntryProcessTests.java
@@ -0,0 +1,40 @@
+package com.google.refine.tests.process;
+
+import static org.mockito.Mockito.mock;
+import org.testng.annotations.Test;
+
+import com.google.refine.history.HistoryEntry;
+import com.google.refine.model.Project;
+import com.google.refine.process.QuickHistoryEntryProcess;
+import com.google.refine.tests.util.TestUtils;
+import com.google.refine.process.Process;
+
+public class QuickHistoryEntryProcessTests {
+    public static class QuickHistoryEntryProcessStub extends QuickHistoryEntryProcess {
+
+        public QuickHistoryEntryProcessStub(Project project, String briefDescription) {
+            super(project, briefDescription);
+            
+        }
+
+        @Override
+        protected HistoryEntry createHistoryEntry(long historyEntryID)
+                throws Exception {
+            return null;
+        }
+        
+    }
+    
+    @Test
+    public void serializeQuickHistoryEntryProcess() {
+        Project project = mock(Project.class);
+        Process process = new QuickHistoryEntryProcessStub(project, "quick description");
+        int hashCode = process.hashCode();
+        TestUtils.isSerializedTo(process, "{"
+                + "\"id\":"+hashCode+","
+                + "\"description\":"
+                + "\"quick description\","
+                + "\"immediate\":true,"
+                + "\"status\":\"pending\"}");
+    }
+}