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diff --git a/src/test/java/org/onap/aai/babel/csar/extractor/YamlExtractorTest.java b/src/test/java/org/onap/aai/babel/csar/extractor/YamlExtractorTest.java
new file mode 100644
index 0000000..54f4c65
--- /dev/null
+++ b/src/test/java/org/onap/aai/babel/csar/extractor/YamlExtractorTest.java
@@ -0,0 +1,141 @@
+/**
+ * ============LICENSE_START=======================================================
+ * org.onap.aai
+ * ================================================================================
+ * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
+ * Copyright © 2017 European Software Marketing Ltd.
+ * ================================================================================
+ * 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.
+ * ============LICENSE_END=========================================================
+ *
+ * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ */
+package org.onap.aai.babel.csar.extractor;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+import org.apache.commons.io.IOUtils;
+import org.junit.Test;
+import org.onap.aai.babel.util.ArtifactTestUtils;
+import org.openecomp.sdc.generator.data.Artifact;
+
+/**
+ * Tests @see YamlExtractor
+ */
+public class YamlExtractorTest {
+
+    private static final String FOO = "foo";
+    private static final String SOME_BYTES = "just some bytes that will pass the firsts validation";
+    private static final String SUPPLY_AN_ARCHIVE = "An archive must be supplied for processing.";
+    private static final String SUPPLY_NAME = "The name of the archive must be supplied for processing.";
+    private static final String SUPPLY_VERSION = "The version must be supplied for processing.";
+
+    @Test
+    public void extract_nullContentSupplied() {
+        invalidArgumentsTest(null, FOO, FOO, SUPPLY_AN_ARCHIVE);
+    }
+
+    private void invalidArgumentsTest(byte[] archive, String name, String version, String expectedErrorMessage) {
+        try {
+            YamlExtractor.extract(archive, name, version);
+            fail("An instance of InvalidArchiveException should have been thrown");
+        } catch (Exception ex) {
+            assertTrue(ex instanceof InvalidArchiveException);
+            assertEquals(expectedErrorMessage, ex.getLocalizedMessage());
+        }
+    }
+
+    @Test
+    public void extract_emptyContentSupplied() {
+        invalidArgumentsTest(new byte[0], FOO, FOO, SUPPLY_AN_ARCHIVE);
+    }
+
+    @Test
+    public void extract_nullNameSupplied() {
+        invalidArgumentsTest(SOME_BYTES.getBytes(), null, FOO, SUPPLY_NAME);
+    }
+
+    @Test
+    public void extract_blankNameSupplied() {
+        invalidArgumentsTest("just some bytes that will pass the firsts validation".getBytes(), "  \t  ", FOO,
+                SUPPLY_NAME);
+    }
+
+    @Test
+    public void extract_emptyNameSupplied() {
+        invalidArgumentsTest("just some bytes that will pass the firsts validation".getBytes(), "", FOO, SUPPLY_NAME);
+    }
+
+    @Test
+    public void extract_nullVersionSupplied() {
+        invalidArgumentsTest("just some bytes that will pass the firsts validation".getBytes(), FOO, null,
+                SUPPLY_VERSION);
+    }
+
+    @Test
+    public void extract_blankVersionSupplied() {
+        invalidArgumentsTest("just some bytes that will pass the firsts validation".getBytes(), FOO, "  \t  ",
+                SUPPLY_VERSION);
+    }
+
+    @Test
+    public void extract_emptyVersionSupplied() {
+        invalidArgumentsTest("just some bytes that will pass the firsts validation".getBytes(), FOO, "",
+                SUPPLY_VERSION);
+    }
+
+    @Test
+    public void extract_invalidContentSupplied() {
+        invalidArgumentsTest("This is a piece of nonsense and not a zip file".getBytes(), FOO, FOO,
+                "An error occurred trying to create a ZipFile. Is the content being converted really a csar file?");
+    }
+
+    @Test
+    public void extract_archiveContainsNoYmlFiles() throws IOException {
+        try {
+            YamlExtractor.extract(loadResource("compressedArtifacts/noYmlFilesArchive.zip"), "noYmlFilesArchive.zip",
+                    "v1");
+            fail("An instance of InvalidArchiveException should have been thrown.");
+        } catch (Exception e) {
+            assertTrue("An instance of InvalidArchiveException should have been thrown.",
+                    e instanceof InvalidArchiveException);
+            assertEquals("Incorrect message was returned", "No valid yml files were found in the csar file.",
+                    e.getMessage());
+        }
+    }
+
+    private byte[] loadResource(final String archiveName) throws IOException {
+        return IOUtils.toByteArray(YamlExtractor.class.getClassLoader().getResource(archiveName));
+    }
+
+    @Test
+    public void extract_archiveContainsThreeRelevantYmlFilesFromSdWanService()
+            throws IOException, InvalidArchiveException {
+        List<Artifact> ymlFiles =
+                YamlExtractor.extract(loadResource("compressedArtifacts/service-SdWanServiceTest-csar.csar"),
+                        "service-SdWanServiceTest-csar.csar", "v1");
+
+        List<String> payloads = new ArrayList<>();
+        payloads.add("ymlFiles/resource-SdWanTestVsp-template.yml");
+        payloads.add("ymlFiles/resource-TunnelXconntest-template.yml");
+        payloads.add("ymlFiles/service-SdWanServiceTest-template.yml");
+
+        new ArtifactTestUtils().performYmlAsserts(ymlFiles, payloads);
+    }
+}
+