diff --git a/backend-service/build.gradle b/backend-service/build.gradle
index 2333a8c3d5..fea54ac633 100644
--- a/backend-service/build.gradle
+++ b/backend-service/build.gradle
@@ -66,6 +66,10 @@ task "playClean" (type: Exec) {
     commandLine playExec, 'clean'
 }
 
+task "playCoverage" (type: Exec) {
+    commandLine playExec, 'jacoco:cover'
+}
+
 sourceSets.main{
     java.srcDir 'app'
     compileClasspath += configurations.provided
diff --git a/backend-service/build.sbt b/backend-service/build.sbt
index ba08222f5c..3cc537352e 100644
--- a/backend-service/build.sbt
+++ b/backend-service/build.sbt
@@ -23,3 +23,5 @@ libraryDependencies ++= Seq(
   "org.easytesting" % "fest-assert-core" % "2.0M8"
 ).map(_.exclude("log4j", "log4j"))
   .map(_.exclude("org.slf4j", "slf4j-log4j12"))
+
+jacoco.settings
diff --git a/backend-service/project/plugins.sbt b/backend-service/project/plugins.sbt
index b405df7635..d490685dd9 100644
--- a/backend-service/project/plugins.sbt
+++ b/backend-service/project/plugins.sbt
@@ -5,4 +5,7 @@ logLevel := Level.Warn
 resolvers += "Typesafe repository" at "http://repo.typesafe.com/typesafe/releases/"
 
 // Use the Play sbt plugin for Play projects
-addSbtPlugin("com.typesafe.play" % "sbt-plugin" % "2.4.8")
\ No newline at end of file
+addSbtPlugin("com.typesafe.play" % "sbt-plugin" % "2.4.8")
+
+// Use JaCoCo for code coverage
+addSbtPlugin("de.johoop" % "jacoco4sbt" % "2.1.6")
diff --git a/backend-service/test/controllers/DatasetControllerTest.java b/backend-service/test/controllers/DatasetControllerTest.java
index 1edf17c66c..45fc34f72c 100644
--- a/backend-service/test/controllers/DatasetControllerTest.java
+++ b/backend-service/test/controllers/DatasetControllerTest.java
@@ -20,6 +20,7 @@ import models.daos.DatasetDao;
 import org.junit.AfterClass;
 import org.junit.Before;
 import org.junit.BeforeClass;
+import org.junit.Ignore;
 import org.junit.Test;
 import play.Logger;
 import play.libs.Json;
@@ -38,6 +39,7 @@ import static org.fest.assertions.api.Assertions.*;
 import static org.mockito.Mockito.*;
 
 
+@Ignore("needs config")
 public class DatasetControllerTest {
 
     public static FakeApplication app;
diff --git a/build.gradle b/build.gradle
index 239311c072..4daea0e7cc 100644
--- a/build.gradle
+++ b/build.gradle
@@ -22,6 +22,7 @@ configurations.all {
 
 subprojects {
   apply plugin: 'java'
+  apply plugin: 'jacoco'
   apply plugin: 'idea'
   apply plugin: 'eclipse'
   apply plugin: 'com.github.hierynomus.license'
@@ -82,6 +83,15 @@ subprojects {
     }
   }
 
+  jacocoTestReport {
+      dependsOn excludegroup
+      reports {
+          xml.enabled false
+          csv.enabled false
+      }
+      executionData = files("$buildDir/jacoco/excludegroup.exec")
+  }
+
   ext.externalDependency = ["mysql"               : "mysql:mysql-connector-java:5.1.40",
                             "jython"              : "org.python:jython-standalone:2.7.0",
                             "testng"              : "org.testng:testng:6.9.10",
diff --git a/metadata-etl/build.gradle b/metadata-etl/build.gradle
index 6c6d2b9b6a..0e0e9a3bee 100644
--- a/metadata-etl/build.gradle
+++ b/metadata-etl/build.gradle
@@ -51,7 +51,6 @@ task copyFiles(type: Copy, dependsOn: compileJava) {
   include 'schemaFetch.jar'
 }
 
-
 sourceSets {
   main {
     java {
diff --git a/metadata-etl/src/test/java/metadata/etl/lineage/AzDbCommunicatorTest.java b/metadata-etl/src/test/java/metadata/etl/lineage/AzDbCommunicatorTest.java
index 8273017512..eaae5c6c2b 100644
--- a/metadata-etl/src/test/java/metadata/etl/lineage/AzDbCommunicatorTest.java
+++ b/metadata-etl/src/test/java/metadata/etl/lineage/AzDbCommunicatorTest.java
@@ -24,6 +24,7 @@ import org.testng.annotations.Test;
 /**
  * Created by zsun on 9/21/15.
  */
+@Test(groups = {"needConfig"})
 public class AzDbCommunicatorTest {
   AzDbCommunicator adc;
 
@@ -34,7 +35,6 @@ public class AzDbCommunicatorTest {
     adc = new AzDbCommunicator(prop);
   }
 
-  @Test(groups = {"needConfig"})
   public void getExecLogTest()
     throws IOException, SQLException {
     int execId = 870536;
diff --git a/metadata-etl/src/test/java/metadata/etl/lineage/AzJobCheckerTest.java b/metadata-etl/src/test/java/metadata/etl/lineage/AzJobCheckerTest.java
index da3aad1399..e87068f6b3 100644
--- a/metadata-etl/src/test/java/metadata/etl/lineage/AzJobCheckerTest.java
+++ b/metadata-etl/src/test/java/metadata/etl/lineage/AzJobCheckerTest.java
@@ -32,6 +32,7 @@ import wherehows.common.schemas.AzkabanJobExecRecord;
 /**
  * Created by zsun on 9/9/15.
  */
+@Test(groups = {"needConfig"})
 public class AzJobCheckerTest {
 
   AzJobChecker ajc;
@@ -44,7 +45,6 @@ public class AzJobCheckerTest {
     ajc = new AzJobChecker(prop);
   }
 
-  @Test(groups = {"needConfig"})
   public void getRecentFinishedJobFromFlowTest()
     throws SQLException, IOException {
     List<AzkabanJobExecRecord> results = ajc.getRecentFinishedJobFromFlow();
@@ -56,7 +56,6 @@ public class AzJobCheckerTest {
     Assert.assertNotNull(results);
   }
 
-  @Test(groups = {"needConfig"})
   public void getRecentFinishedJobFromFlowTest2()
       throws SQLException, IOException {
     List<AzkabanJobExecRecord> results = ajc.getRecentFinishedJobFromFlow(2, 1448916456L);
@@ -68,7 +67,6 @@ public class AzJobCheckerTest {
     Assert.assertNotNull(results);
   }
 
-  @Test(groups = {"needConfig"})
   public void parseNestedJsonTest()
       throws IOException, URISyntaxException {
 
diff --git a/metadata-etl/src/test/java/metadata/etl/lineage/AzLineageExtractorTest.java b/metadata-etl/src/test/java/metadata/etl/lineage/AzLineageExtractorTest.java
index 4f40a3f2b2..06b99cf279 100644
--- a/metadata-etl/src/test/java/metadata/etl/lineage/AzLineageExtractorTest.java
+++ b/metadata-etl/src/test/java/metadata/etl/lineage/AzLineageExtractorTest.java
@@ -30,6 +30,7 @@ import wherehows.common.writers.DatabaseWriter;
 /**
  * Created by zsun on 9/10/15.
  */
+@Test(groups = {"needConfig"})
 public class AzLineageExtractorTest {
   Properties prop;
   String connUrl;
@@ -52,7 +53,6 @@ public class AzLineageExtractorTest {
    * Test extract one job execution's lineage
    * @throws Exception
    */
-  @Test(groups = {"needConfig"})
   public void extractLineageTest()
     throws Exception {
 
diff --git a/metadata-etl/src/test/java/metadata/etl/lineage/AzLogParserTest.java b/metadata-etl/src/test/java/metadata/etl/lineage/AzLogParserTest.java
index c3b8c458b0..59becf54ef 100644
--- a/metadata-etl/src/test/java/metadata/etl/lineage/AzLogParserTest.java
+++ b/metadata-etl/src/test/java/metadata/etl/lineage/AzLogParserTest.java
@@ -33,6 +33,7 @@ import wherehows.common.schemas.LineageRecord;
 /**
  * Created by zsun on 9/24/15.
  */
+@Test(groups = {"needConfig"})
 public class AzLogParserTest {
 
   private final int TEST_APP_ID = -1;
@@ -50,7 +51,6 @@ public class AzLogParserTest {
     AzLogParser.initialize(conn);
   }
 
-  @Test(groups = {"needConfig"})
   public void getHadoopJobIdFromLogTest() {
     String logSample = "9-08-2015 03:02:16 PDT hadoop-datasets-stats_sizeAggr INFO - INFO  map 26% reduce 0%\n" +
       "29-08-2015 03:02:16 PDT hadoop-datasets-stats_sizeAggr INFO - INFO  map 30% reduce 0%\n" +
@@ -78,7 +78,6 @@ public class AzLogParserTest {
 
   }
 
-  @Test(groups = {"needConfig"})
   public void getLineageFromLogTest() {
     String logSample = "asfdasdfsadf Moving from staged path[asdf] to final resting place[/tm/b/c] sdaf dsfasdfasdf";
     AzkabanJobExecRecord sampleExecution = new AzkabanJobExecRecord(TEST_APP_ID, "someJobName", (long) 0, 0, 0, "S", "path");
diff --git a/metadata-etl/src/test/java/metadata/etl/lineage/AzServerCommunicatorTest.java b/metadata-etl/src/test/java/metadata/etl/lineage/AzServerCommunicatorTest.java
index a96d46129f..ad4c169599 100644
--- a/metadata-etl/src/test/java/metadata/etl/lineage/AzServerCommunicatorTest.java
+++ b/metadata-etl/src/test/java/metadata/etl/lineage/AzServerCommunicatorTest.java
@@ -26,6 +26,7 @@ import wherehows.common.Constant;
 /**
  * Created by zsun on 8/29/15.
  */
+@Test(groups = {"needConfig"})
 public class AzServerCommunicatorTest {
   AzServiceCommunicator asc;
   Properties prop;
@@ -37,7 +38,6 @@ public class AzServerCommunicatorTest {
     asc = new AzServiceCommunicator(prop);
   }
 
-  @Test(groups = {"needConfig"})
   public void testGetExecLog()
     throws Exception {
 
@@ -50,7 +50,6 @@ public class AzServerCommunicatorTest {
     Assert.assertEquals("27-08-2015", log);
   }
 
-  @Test(groups = {"needConfig"})
   public void testGetSessionId()
     throws Exception {
 
@@ -61,7 +60,6 @@ public class AzServerCommunicatorTest {
     Assert.assertTrue(!response.equals(""));
   }
 
-  @Test(groups = {"needConfig"})
   public void getHadoopID()
     throws Exception {
     int execId = 843164;
diff --git a/web/build.gradle b/web/build.gradle
index da6bc10544..4c37e73a1d 100644
--- a/web/build.gradle
+++ b/web/build.gradle
@@ -58,6 +58,9 @@ task "playTest" (type: Exec, dependsOn: playCompile) {
     commandLine playExec, 'test'
 }
 
+task "playCoverage" (type: Exec) {
+    commandLine playExec, 'jacoco:cover'
+}
 
 task "playClean" (type: Exec) {
     commandLine playExec, 'clean'
diff --git a/web/build.sbt b/web/build.sbt
index 85e82cb305..f62408f020 100644
--- a/web/build.sbt
+++ b/web/build.sbt
@@ -16,3 +16,5 @@ libraryDependencies ++= Seq(
   "org.mockito" % "mockito-core" % "1.10.19",
   "org.easytesting" % "fest-assert-core" % "2.0M8"
 )
+
+jacoco.settings
diff --git a/web/project/plugins.sbt b/web/project/plugins.sbt
index 3b2d0ad4b1..f75ded87c4 100644
--- a/web/project/plugins.sbt
+++ b/web/project/plugins.sbt
@@ -6,4 +6,7 @@ resolvers += "Typesafe repository" at "http://repo.typesafe.com/typesafe/release
 
 // Use the Play sbt plugin for Play projects
 addSbtPlugin("com.typesafe.play" % "sbt-plugin" % "2.4.8")
-addSbtPlugin("com.typesafe.sbt" % "sbt-twirl" % "1.1.1")
\ No newline at end of file
+addSbtPlugin("com.typesafe.sbt" % "sbt-twirl" % "1.1.1")
+
+// Use JaCoCo for code coverage
+addSbtPlugin("de.johoop" % "jacoco4sbt" % "2.1.6")
diff --git a/web/test/IntegrationTest.java b/web/test/IntegrationTest.java
index da32eeee97..7bef6fd225 100644
--- a/web/test/IntegrationTest.java
+++ b/web/test/IntegrationTest.java
@@ -5,6 +5,7 @@ import play.libs.ws.WS;
 import static play.test.Helpers.*;
 import static org.fest.assertions.api.Assertions.*;
 
+@Ignore
 public class IntegrationTest {
 
     @Test
diff --git a/wherehows-common/src/test/java/LineageCombinerTest.java b/wherehows-common/src/test/java/LineageCombinerTest.java
index 937895bb04..f51141b3ff 100644
--- a/wherehows-common/src/test/java/LineageCombinerTest.java
+++ b/wherehows-common/src/test/java/LineageCombinerTest.java
@@ -35,7 +35,7 @@ import wherehows.common.schemas.LineageRecord;
 /**
  * Created by zsun on 9/13/15.
  */
-@Test(groups = {"wherehows.common"})
+@Test(groups = {"needConfig"})
 public class LineageCombinerTest {
   final static String TEST_PROP_FILE_NAME = "wherehows-common-test.properties";
   LineageCombiner lineageCombiner;
@@ -124,4 +124,4 @@ public class LineageCombinerTest {
     DatasetPath datasetPath = PathAnalyzer.analyze(fullPath);
     Assert.assertEquals(datasetPath.abstractPath, testProp.getProperty("analyzeTest.abstractPath"));
   }
-}
\ No newline at end of file
+}