diff --git a/src/main/java/org/hyperledger/fabric_ca/sdk/RegistrationRequest.java b/src/main/java/org/hyperledger/fabric_ca/sdk/RegistrationRequest.java
index 79f7126f..1213930d 100644
--- a/src/main/java/org/hyperledger/fabric_ca/sdk/RegistrationRequest.java
+++ b/src/main/java/org/hyperledger/fabric_ca/sdk/RegistrationRequest.java
@@ -100,7 +100,7 @@ public void setAffiliation(String affiliation) {
         this.affiliation = affiliation;
     }
 
-    public Collection<Attribute> getAttrbutes() {
+    public Collection<Attribute> getAttributes() {
         return attrs;
     }
 
diff --git a/src/test/java/org/hyperledger/fabric_ca/sdk/RegistrationRequestTest.java b/src/test/java/org/hyperledger/fabric_ca/sdk/RegistrationRequestTest.java
new file mode 100644
index 00000000..0ae4db8f
--- /dev/null
+++ b/src/test/java/org/hyperledger/fabric_ca/sdk/RegistrationRequestTest.java
@@ -0,0 +1,113 @@
+/*
+ *  Copyright 2016, 2017 DTCC, Fujitsu Australia Software Technology, IBM - All Rights Reserved.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ * 	  http://www.apache.org/licenses/LICENSE-2.0
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+package org.hyperledger.fabric_ca.sdk;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+public class RegistrationRequestTest {
+	private static final String attrName = "some name";
+	private static final String attrValue = "some value";
+	private static final String regAffiliation = "corporation";
+	private static final String regCAName = "CA";
+	private static final String regID = "userid";
+	private static final String regSecret = "secret";
+	private static final String regType = "user";
+
+	private static final int regMaxEnrollments = 5;
+
+	@Test
+	public void testNewInstance() {
+
+		try {
+			RegistrationRequest testRegisterReq = new RegistrationRequest(regID, regAffiliation);
+			Assert.assertEquals(testRegisterReq.getEnrollmentID(), regID);
+			Assert.assertEquals(testRegisterReq.getType(), regType);
+			Assert.assertEquals(testRegisterReq.getMaxEnrollments(), 0);
+			Assert.assertEquals(testRegisterReq.getAffiliation(), regAffiliation);
+			Assert.assertTrue(testRegisterReq.getAttributes().isEmpty());
+
+		} catch (Exception e) {
+			Assert.fail("Unexpected Exception " + e.getMessage());
+		}
+	}
+
+	@Test
+	public void testNewInstanceSetNullID() {
+
+		try {
+			new RegistrationRequest(null, regAffiliation);
+			Assert.fail("Expected exception when null is specified for id");
+
+		} catch (Exception e) {
+			Assert.assertEquals(e.getMessage(), "id may not be null");
+		}
+	}
+
+	@Test
+	public void testNewInstanceSetNullAffiliation() {
+
+		try {
+			new RegistrationRequest(regID, null);
+			Assert.fail("Expected exception when null is specified for affiliation");
+
+		} catch (Exception e) {
+			Assert.assertEquals(e.getMessage(), "affiliation may not be null");
+		}
+	}
+
+	@Test
+	public void testRegisterReqSetGet() {
+
+		try {
+			RegistrationRequest testRegisterReq = new RegistrationRequest(regID, regAffiliation);
+			testRegisterReq.setEnrollmentID(regID + "update");
+			testRegisterReq.setSecret(regSecret);
+			testRegisterReq.setMaxEnrollments(regMaxEnrollments);
+			testRegisterReq.setType(regType);
+			testRegisterReq.setAffiliation(regAffiliation + "update");
+			testRegisterReq.setCAName(regCAName);
+			testRegisterReq.addAttribute(new Attribute(attrName, attrValue));
+			Assert.assertEquals(testRegisterReq.getEnrollmentID(), regID + "update");
+			Assert.assertEquals(testRegisterReq.getSecret(), regSecret);
+			Assert.assertEquals(testRegisterReq.getType(), regType);
+			Assert.assertEquals(testRegisterReq.getAffiliation(), regAffiliation + "update");
+			Assert.assertTrue(!testRegisterReq.getAttributes().isEmpty());
+
+		} catch (Exception e) {
+			Assert.fail("Unexpected Exception " + e.getMessage());
+		}
+	}
+
+	@Test
+	public void testRegisterReqToJson() {
+
+		try {
+			RegistrationRequest testRegisterReq = new RegistrationRequest(regID, regAffiliation);
+			testRegisterReq.setEnrollmentID(regID + "update");
+			testRegisterReq.setSecret(regSecret);
+			testRegisterReq.setMaxEnrollments(regMaxEnrollments);
+			testRegisterReq.setType(regType);
+			testRegisterReq.setAffiliation(regAffiliation + "update");
+			testRegisterReq.setCAName(regCAName);
+			testRegisterReq.addAttribute(new Attribute(attrName, attrValue));
+
+			Assert.assertTrue(testRegisterReq.toJson().contains(regAffiliation + "update"));
+
+		} catch (Exception e) {
+			Assert.fail("Unexpected Exception " + e.getMessage());
+		}
+	}
+}
\ No newline at end of file
diff --git a/src/test/java/org/hyperledger/fabric_ca/sdk/RevocationRequestTest.java b/src/test/java/org/hyperledger/fabric_ca/sdk/RevocationRequestTest.java
new file mode 100644
index 00000000..b2250ed5
--- /dev/null
+++ b/src/test/java/org/hyperledger/fabric_ca/sdk/RevocationRequestTest.java
@@ -0,0 +1,123 @@
+/*
+ *  Copyright 2016, 2017 DTCC, Fujitsu Australia Software Technology, IBM - All Rights Reserved.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ * 	  http://www.apache.org/licenses/LICENSE-2.0
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+package org.hyperledger.fabric_ca.sdk;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+public class RevocationRequestTest {
+	private static final String revCAName = "CA";
+	private static final String revEnrollmentID = "userid";
+	private static final String revSerialNmbr = "987654321";
+	private static final String revAKI = "123456789";
+	private static final String revReason = "compromised";
+
+	@Test
+	public void testNewInstance() {
+
+		try {
+			RevocationRequest testRevocationReq = new RevocationRequest(revCAName, revEnrollmentID, revSerialNmbr,
+					revAKI, revReason);
+			Assert.assertEquals(testRevocationReq.getUser(), revEnrollmentID);
+			Assert.assertEquals(testRevocationReq.getSerial(), revSerialNmbr);
+			Assert.assertEquals(testRevocationReq.getAki(), revAKI);
+			Assert.assertEquals(testRevocationReq.getReason(), revReason);
+
+		} catch (Exception e) {
+			Assert.fail("Unexpected Exception " + e.getMessage());
+		}
+	}
+
+	@Test
+	public void testNewInstanceSetNullIDSerialNmbr() {
+
+		try {
+			new RevocationRequest(revCAName, null, null, revAKI, revReason);
+			Assert.fail("Expected exception when null is specified for serial number");
+
+		} catch (Exception e) {
+			Assert.assertEquals(e.getMessage(),
+					"Enrollment ID is empty, thus both aki and serial must have non-empty values");
+		}
+	}
+
+	@Test
+	public void testNewInstanceSetNullIDAKI() {
+
+		try {
+			new RevocationRequest(revCAName, null, revSerialNmbr, null, revReason);
+			Assert.fail("Expected exception when null is specified for AKI");
+
+		} catch (Exception e) {
+			Assert.assertEquals(e.getMessage(),
+					"Enrollment ID is empty, thus both aki and serial must have non-empty values");
+		}
+	}
+
+	@Test
+	public void testRevocationReqSetGet() {
+
+		try {
+			RevocationRequest testRevocationReq = new RevocationRequest(revCAName, revEnrollmentID, revSerialNmbr,
+					revAKI, revReason);
+			testRevocationReq.setUser(revEnrollmentID + "update");
+			testRevocationReq.setSerial(revSerialNmbr + "000");
+			testRevocationReq.setAki(revAKI + "000");
+			testRevocationReq.setReason(revReason + "update");
+			Assert.assertEquals(testRevocationReq.getUser(), revEnrollmentID + "update");
+			Assert.assertEquals(testRevocationReq.getSerial(), revSerialNmbr + "000");
+			Assert.assertEquals(testRevocationReq.getAki(), revAKI + "000");
+			Assert.assertEquals(testRevocationReq.getReason(), revReason + "update");
+
+		} catch (Exception e) {
+			Assert.fail("Unexpected Exception " + e.getMessage());
+		}
+	}
+
+	@Test
+	public void testRevocationReqToJsonNullID() {
+
+		try {
+			RevocationRequest testRevocationReq = new RevocationRequest(revCAName, null, revSerialNmbr, revAKI,
+					revReason);
+			testRevocationReq.setSerial(revSerialNmbr);
+			testRevocationReq.setAki(revAKI + "000");
+			testRevocationReq.setReason(revReason + "update");
+
+			Assert.assertTrue(testRevocationReq.toJson().contains("0" + revSerialNmbr));
+
+		} catch (Exception e) {
+			Assert.fail("Unexpected Exception " + e.getMessage());
+		}
+	}
+
+	@Test
+	public void testRevocationReqToJson() {
+
+		try {
+			RevocationRequest testRevocationReq = new RevocationRequest(revCAName, revEnrollmentID, revSerialNmbr,
+					revAKI, revReason);
+			testRevocationReq.setUser(revEnrollmentID + "update");
+			testRevocationReq.setSerial(revSerialNmbr + "000");
+			testRevocationReq.setAki(revAKI + "000");
+			testRevocationReq.setReason(revReason + "update");
+
+			Assert.assertTrue(testRevocationReq.toJson().contains(revReason + "update"));
+
+		} catch (Exception e) {
+			Assert.fail("Unexpected Exception " + e.getMessage());
+		}
+	}
+}
\ No newline at end of file