diff --git a/.circleci/config.yml b/.circleci/config.yml
index 76c1f0c..ed1633d 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -23,20 +23,10 @@ jobs:
     
     steps:
       - checkout
-
-      # Download and cache dependencies
-      - restore_cache:
-          keys:
-          - v1-dependencies-{{ checksum "build.gradle" }}
-          # fallback to using the latest cache if no exact match is found
-          - v1-dependencies-
-
-      - run: gradle dependencies
-
-      - save_cache:
-          paths:
-            - ~/.gradle
-          key: v1-dependencies-{{ checksum "build.gradle" }}
         
-      # run tests!
-      - run: gradle test
+      # run tests and generate coverage report
+      - run: ./gradlew clean check jacocoTestReport
+
+      # upload code coverage report
+      # ultimately code coverage token shouldn't be in ci script of course
+      - run: bash <(curl -s https://codecov.io/bash) -t 5e7cd734-0897-43b4-9963-f4710f21ec64
diff --git a/.codecov b/.codecov
new file mode 100644
index 0000000..29bec42
--- /dev/null
+++ b/.codecov
@@ -0,0 +1,5 @@
+coverage:
+  status:
+    project:
+      default:
+        threshold: 0.5
\ No newline at end of file
diff --git a/README.md b/README.md
index 9473662..9759e64 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,7 @@ hale-cli
 
 [![Build Status](https://builds.wetransform.to/buildStatus/icon?job=hale/hale-cli~publish)](https://builds.wetransform.to/job/hale/job/hale-cli~publish)
 [![Docker Hub Badge](https://img.shields.io/badge/Docker-Hub%20Hosted-blue.svg)](https://hub.docker.com/r/wetransform/hale-cli/)
+[![codecov.io](http://codecov.io/github/sfrese/hale-cli/coverage.svg?branch=devel)](http://codecov.io/github/sfrese/hale-cli?branch=devel)
 
 hale command line interface.
 Lists available commands when run without arguments.
diff --git a/build.gradle b/build.gradle
index 642a8c3..0995340 100644
--- a/build.gradle
+++ b/build.gradle
@@ -29,6 +29,15 @@ project.ext {
 
 version = '3.5.0-SNAPSHOT'
 
+// code coverage configuration
+apply plugin: 'jacoco'
+jacocoTestReport {
+    reports {
+        xml.enabled true
+        html.enabled false
+    }
+}
+
 /*
  * Dependencies
  */
@@ -341,3 +350,4 @@ tasks.withType(CreateStartScripts).each { task ->
 task wrapper(type: Wrapper) {
   gradleVersion = '2.14'
 }
+
diff --git a/src/test/groovy/to/wetransform/halecli/data/RewriteCommandTest.groovy b/src/test/groovy/to/wetransform/halecli/data/RewriteCommandTest.groovy
index 00642c4..fcececa 100644
--- a/src/test/groovy/to/wetransform/halecli/data/RewriteCommandTest.groovy
+++ b/src/test/groovy/to/wetransform/halecli/data/RewriteCommandTest.groovy
@@ -77,66 +77,4 @@ class RewriteCommandTest {
     }
   }
 
-  @Test
-  void testRewriteGuessSchema() {
-
-    def args = ['data', 'rewrite'];
-
-    args << '--data'
-    args << getClass().getClassLoader().getResource("testdata/inspire.gml")
-
-    def targetFile = File.createTempFile('rewrite', '.gml')
-    args << '--target'
-    args << targetFile.absolutePath
-    args << '--target-writer'
-    args << 'eu.esdihumboldt.hale.io.gml.writer'
-    args << '--target-setting'
-    args << 'xml.pretty=true'
-
-    try {
-      int code = new Runner('hale').run(args as String[])
-
-      // expecting a successful execution
-      assertEquals(0, code)
-
-      assertTrue(targetFile.exists())
-      assertTrue(targetFile.size() > 0)
-      //TODO check file content?
-
-    } finally {
-      targetFile.delete()
-    }
-  }
-
-  @Test
-  void testRewriteNoPassthrough() {
-
-    def args = ['data', 'rewrite'];
-
-    args << '--data'
-    args << getClass().getClassLoader().getResource("testdata/inspire.gml")
-
-    def targetFile = File.createTempFile('rewrite', '.gml')
-    args << '--target'
-    args << targetFile.absolutePath
-    args << '--target-writer'
-    args << 'eu.esdihumboldt.hale.io.wfs.fc.write-2.0'
-    args << '--target-setting'
-    args << 'skipFeatureCount=false'
-
-    try {
-      int code = new Runner('hale').run(args as String[])
-
-      // expecting a successful execution
-      assertEquals(0, code)
-
-      assertTrue(targetFile.exists())
-      assertTrue(targetFile.size() > 0)
-      //TODO check file content?
-
-    } finally {
-      targetFile.delete()
-    }
-  }
-
 }