init code

Change-Id: Icd0948118397b256da70dfbcbbec5520dc5eafd4
Signed-off-by: Zhaoxing <meng.zhaoxing1@zte.com.cn>

6 files changed, 832 insertions, 0 deletions

diff --git a/wso2/common-util/src/test/java/org/openo/baseservice/bus/util/TestRegisterService.java b/wso2/common-util/src/test/java/org/openo/baseservice/bus/util/TestRegisterService.java
new file mode 100644
index 0000000..88f5ddd
--- /dev/null
+++ b/wso2/common-util/src/test/java/org/openo/baseservice/bus/util/TestRegisterService.java
@@ -0,0 +1,66 @@
+/*
+ * Copyright 2016 Huawei Technologies Co., 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.
+ */
+package org.openo.baseservice.bus.util;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+
+import javax.ws.rs.core.Response;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.openo.baseservice.util.impl.SystemEnvVariablesDefImpl;
+
+import junit.framework.Assert;
+import mockit.Mock;
+import mockit.MockUp;
+
+public class TestRegisterService {
+    @Before
+    public void setUp() throws Exception {
+    }
+
+    @After
+    public void tearDown() throws Exception {
+        
+    }
+    
+    @Test
+    public void testregisterServce() throws IOException {
+        
+        File file = new File("");
+        Response res = null;
+        
+        final String path = file.getAbsolutePath();
+        
+        new MockUp<SystemEnvVariablesDefImpl>() {
+            @Mock
+            public String getAppRoot() {
+                return path;
+            }
+        };
+        
+        try {
+            res = RegisterService.registerService(path, true);
+        } catch(Exception e) {
+            Assert.assertNotNull(e);
+        }
+        
+    }
+}
+
diff --git a/wso2/common-util/src/test/java/org/openo/baseservice/bus/util/TestRegisterServiceListener.java b/wso2/common-util/src/test/java/org/openo/baseservice/bus/util/TestRegisterServiceListener.java
new file mode 100644
index 0000000..429d986
--- /dev/null
+++ b/wso2/common-util/src/test/java/org/openo/baseservice/bus/util/TestRegisterServiceListener.java
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2016 Huawei Technologies Co., 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.
+ */
+package org.openo.baseservice.bus.util;
+
+import java.io.File;
+
+import javax.servlet.ServletContextEvent;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import mockit.Mock;
+import mockit.MockUp;
+
+public class TestRegisterServiceListener {
+    
+    @Before
+    public void setUp() throws Exception {
+    }
+
+    @After
+    public void tearDown() throws Exception {
+        
+    }
+    
+    @Test
+    public void testRegisterServiceListener() {
+        
+        RegisterServiceListener impl = new RegisterServiceListener();
+        
+        ServletContextEvent sce = null;
+        
+        new MockUp<File>() {
+            @Mock
+            public File[] listFiles() {
+                File file = new File("");
+                File[] filelist = new File[]{file};
+                return filelist;
+            }
+            
+        };
+        
+        impl.contextInitialized(sce);
+    }
+    
+}
diff --git a/wso2/common-util/src/test/java/org/openo/baseservice/encrypt/cbb/impl/AesCipherTest.java b/wso2/common-util/src/test/java/org/openo/baseservice/encrypt/cbb/impl/AesCipherTest.java
new file mode 100644
index 0000000..c66e36a
--- /dev/null
+++ b/wso2/common-util/src/test/java/org/openo/baseservice/encrypt/cbb/impl/AesCipherTest.java
@@ -0,0 +1,210 @@
+/*
+ * Copyright 2016 Huawei Technologies Co., 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.
+ */
+package org.openo.baseservice.encrypt.cbb.impl;
+
+import java.security.NoSuchAlgorithmException;
+import java.security.spec.InvalidKeySpecException;
+
+import javax.crypto.Cipher;
+import javax.crypto.SecretKeyFactory;
+
+import org.junit.After;
+import org.junit.AfterClass;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.openo.baseservice.encrypt.cbb.CipherCreator;
+import org.openo.baseservice.encrypt.cbb.inf.AbstractCipher;
+
+import junit.framework.Assert;
+import mockit.Mocked;
+import mockit.NonStrictExpectations;
+
+/**
+ * <br/>
+ * <p>
+ * </p>
+ * 
+ * @author
+ * @version   02-Jun-2016
+ */
+public class AesCipherTest {
+
+    /**
+     * <br/>
+     * 
+     * @throws java.lang.Exception
+     * @since  
+     */
+    @BeforeClass
+    public static void setUpBeforeClass() throws Exception {
+        CipherCreator.instance().setFactory(new AesCipherFactory());
+    }
+
+    /**
+     * <br/>
+     * 
+     * @throws java.lang.Exception
+     * @since  
+     */
+    @AfterClass
+    public static void tearDownAfterClass() throws Exception {
+    }
+
+    /**
+     * <br/>
+     * 
+     * @throws java.lang.Exception
+     * @since  
+     */
+    @Before
+    public void setUp() throws Exception {
+    }
+
+    /**
+     * <br/>
+     * 
+     * @throws java.lang.Exception
+     * @since  
+     */
+    @After
+    public void tearDown() throws Exception {
+    }
+
+    /**
+     * Test method for
+     * {@link org.openo.baseservice.encrypt.cbb.impl.AesCipher#encrypt(java.lang.String)}.
+     */
+    @Test
+    public void testEncrypt() {
+        final AbstractCipher cipherManager = CipherCreator.instance().create();
+        final String encrypted = cipherManager.encrypt("test-encrypt");
+        final String decrypted = cipherManager.decrypt(encrypted);
+
+        Assert.assertEquals("test-encrypt", decrypted);
+    }
+
+    @Test
+    public void testEncryptException() throws Exception {
+        new NonStrictExpectations() {
+
+            @Mocked
+            Cipher cipher;
+
+            {
+                cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
+                result = new InvalidKeySpecException();
+            }
+        };
+        final AbstractCipher cipherManager = CipherCreator.instance().create();
+        final String encrypted = cipherManager.encrypt("test-encrypt");
+
+        Assert.assertEquals(null, encrypted);
+    }
+
+    /**
+     * Test method for
+     * {@link org.openo.baseservice.encrypt.cbb.impl.AesCipher#decrypt(java.lang.String)}.
+     */
+    @Test
+    public void testDecrypt() {
+        final AbstractCipher cipherManager = CipherCreator.instance().create();
+        final String encrypted = cipherManager.encrypt("test-encrypt");
+        final String decrypted = cipherManager.decrypt(encrypted);
+
+        Assert.assertEquals("test-encrypt", decrypted);
+    }
+
+    @Test
+    public void testDecryptNull() {
+        final AbstractCipher cipherManager = CipherCreator.instance().create();
+        String decrypted = cipherManager.decrypt(null);
+        Assert.assertEquals(null, decrypted);
+
+        decrypted = cipherManager.decrypt("");
+
+        Assert.assertEquals(null, decrypted);
+    }
+
+    /**
+     * Test method for
+     * {@link
+     * org.openo.baseservice.encrypt.cbb.impl.AesCipher#CipherManagerImpl(java.lang.String)}
+     * .
+     */
+    @Test
+    public void testCipherManagerImplString() {
+        final AbstractCipher cipherManager = CipherCreator.instance().create("secret-key");
+        final String encrypted = cipherManager.encrypt("test-encrypt");
+        final String decrypted = cipherManager.decrypt(encrypted);
+
+        Assert.assertEquals("test-encrypt", decrypted);
+    }
+
+    /**
+     * <br/>
+     * 
+     * @since  
+     */
+    @Test
+    public void testCipherManagerImplStringDiffKey() {
+        final String encrypted = CipherCreator.instance().create("secret-key").encrypt("test-encrypt");
+        final String decrypted = CipherCreator.instance().create("wrong-key").decrypt(encrypted);
+
+        Assert.assertNotSame("test-encrypt", decrypted);
+
+        final String decrypt = CipherCreator.instance().create("secret-key").decrypt(encrypted);
+        Assert.assertEquals("test-encrypt", decrypt);
+    }
+    
+    @Test
+    public void testCreateSecretKeyNoSuchAlgorithmException() throws Exception {
+        new NonStrictExpectations() {
+
+            @Mocked
+            SecretKeyFactory keyFactory;
+
+            {
+                keyFactory = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1");
+                result = new NoSuchAlgorithmException();
+            }
+        };
+
+        final AbstractCipher cipherManager = CipherCreator.instance().create("secret-key");
+        final String encrypted = cipherManager.encrypt("test-encrypt");
+        Assert.assertEquals(encrypted, null);
+
+    }
+
+    @Test
+    public void testCreateSecretKeyInvalidKeySpecException() throws Exception {
+        new NonStrictExpectations() {
+
+            @Mocked
+            SecretKeyFactory keyFactory;
+
+            {
+                keyFactory = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1");
+                result = new InvalidKeySpecException();
+            }
+        };
+
+        final AbstractCipher cipherManager = CipherCreator.instance().create("secret-key");
+        final String decrypted = cipherManager.decrypt("test-encrypt");
+        Assert.assertEquals(decrypted, null);
+
+    }
+}
diff --git a/wso2/common-util/src/test/java/org/openo/baseservice/encrypt/cbb/sha/Sha256Test.java b/wso2/common-util/src/test/java/org/openo/baseservice/encrypt/cbb/sha/Sha256Test.java
new file mode 100644
index 0000000..f7eaf23
--- /dev/null
+++ b/wso2/common-util/src/test/java/org/openo/baseservice/encrypt/cbb/sha/Sha256Test.java
@@ -0,0 +1,193 @@
+/*
+ * Copyright 2016 Huawei Technologies Co., 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.
+ */
+package org.openo.baseservice.encrypt.cbb.sha;
+
+import static org.junit.Assert.fail;
+
+import org.junit.After;
+import org.junit.AfterClass;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import java.security.InvalidKeyException;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+
+import javax.crypto.Mac;
+import javax.crypto.spec.SecretKeySpec;
+
+import mockit.Mocked;
+import mockit.NonStrictExpectations;
+import mockit.integration.junit4.JMockit;
+
+/**
+ * <br/>
+ * <p>
+ * </p>
+ * 
+ * @author
+ * @version   03-Jun-2016
+ */
+@RunWith(JMockit.class)
+public class Sha256Test {
+
+    /**
+     * <br/>
+     * 
+     * @throws java.lang.Exception
+     * @since  
+     */
+    @BeforeClass
+    public static void setUpBeforeClass() throws Exception {
+    }
+
+    /**
+     * <br/>
+     * 
+     * @throws java.lang.Exception
+     * @since  
+     */
+    @AfterClass
+    public static void tearDownAfterClass() throws Exception {
+    }
+
+    /**
+     * <br/>
+     * 
+     * @throws java.lang.Exception
+     * @since  
+     */
+    @Before
+    public void setUp() throws Exception {
+    }
+
+    /**
+     * <br/>
+     * 
+     * @throws java.lang.Exception
+     * @since  
+     */
+    @After
+    public void tearDown() throws Exception {
+    }
+
+    /**
+     * Test method for {@link org.openo.baseservice.encrypt.cbb.sha.Sha256#digest(java.lang.String)}
+     * .
+     */
+    @Test
+    public void testDigest() {
+        String plain = "";
+        String expected = "E3B0C44298FC1C149AFBF4C8996FB92427AE41E4649B934CA495991B7852B855";
+        Assert.assertEquals(expected, Sha256.digest(plain));
+
+        expected = "D7A8FBB307D7809469CA9ABCB0082E4F8D5651E46D3CDB762D02D0BF37C9E592";
+        plain = "The quick brown fox jumps over the lazy dog";
+        Assert.assertEquals(expected, Sha256.digest(plain));
+    }
+
+    @Test
+    public void testDigestException() throws Exception {
+        new NonStrictExpectations() {
+
+            @Mocked
+            MessageDigest md;
+
+            {
+                md = MessageDigest.getInstance("SHA-256");
+                result = new NoSuchAlgorithmException();
+            }
+        };
+        final String plain = "";
+        final String expected = "";
+        Assert.assertEquals(expected, Sha256.digest(plain));
+
+    }
+
+    /**
+     * Test method for
+     * {@link org.openo.baseservice.encrypt.cbb.sha.Sha256#mac(java.lang.String, java.security.Key)}
+     * .
+     * 
+     * @throws InvalidKeyException
+     */
+    @Test
+    public void testMacStringKey() {
+        final String expected = "F7BC83F430538424B13298E6AA6FB143EF4D59A14946175997479DBC2D1A3CD8";
+        final String plain = "The quick brown fox jumps over the lazy dog";
+        try {
+            Assert.assertEquals(expected, Sha256.mac(plain, new SecretKeySpec("key".getBytes(), "HmacSHA256")));
+        } catch(final InvalidKeyException e) {
+            e.printStackTrace();
+            fail("testMacStringKey failed" + e.getMessage());
+        }
+        try {
+            Assert.assertEquals(expected, Sha256.mac(plain, new SecretKeySpec("key".getBytes(), "AES")));
+        } catch(final InvalidKeyException e) {
+            e.printStackTrace();
+            fail("testMacStringKey failed" + e.getMessage());
+        }
+
+    }
+
+    @Test
+    public void testMacStringKeyException() throws Exception {
+        new NonStrictExpectations() {
+
+            @Mocked
+            Mac mac;
+
+            {
+                mac = Mac.getInstance("HmacSHA256");
+                result = new NoSuchAlgorithmException();
+            }
+        };
+        Sha256.mac("dummy", new SecretKeySpec("key".getBytes(), "AES"));
+    }
+
+    /**
+     * Test method for
+     * {@link org.openo.baseservice.encrypt.cbb.sha.Sha256#mac(java.lang.String, byte[])}.
+     */
+    @Test
+    public void testMacStringByteArray() {
+        final String expected = "F7BC83F430538424B13298E6AA6FB143EF4D59A14946175997479DBC2D1A3CD8";
+        final String plain = "The quick brown fox jumps over the lazy dog";
+        Assert.assertEquals(expected, Sha256.mac(plain, "key".getBytes()));
+    }
+
+    @Test
+    public void testMacStringByteArrayInvalidKeyException() throws Exception {
+        final String key = "key";
+        new NonStrictExpectations() {
+
+            @Mocked
+            Mac mac;
+
+            {
+                mac = Mac.getInstance("HmacSHA256");
+                result = new InvalidKeyException();
+            }
+        };
+        final String expected = "";
+        final String plain = "The quick brown fox jumps over the lazy dog";
+        Assert.assertEquals(expected, Sha256.mac(plain, key.getBytes()));
+    }
+
+}
diff --git a/wso2/common-util/src/test/java/org/openo/baseservice/util/RestUtilsTest.java b/wso2/common-util/src/test/java/org/openo/baseservice/util/RestUtilsTest.java
new file mode 100644
index 0000000..56b6eee
--- /dev/null
+++ b/wso2/common-util/src/test/java/org/openo/baseservice/util/RestUtilsTest.java
@@ -0,0 +1,190 @@
+/*
+ * Copyright 2016 Huawei Technologies Co., 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.
+ */
+package org.openo.baseservice.util;
+
+import org.junit.After;
+import org.junit.AfterClass;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+
+import javax.servlet.ServletInputStream;
+import javax.servlet.http.HttpServletRequest;
+
+import junit.framework.Assert;
+import mockit.Expectations;
+import mockit.Mocked;
+import mockit.integration.junit4.JMockit;
+
+/**
+ * <br/>
+ * <p>
+ * </p>
+ * 
+ * @author
+ * @version   08-Jun-2016
+ */
+@RunWith(JMockit.class)
+public class RestUtilsTest {
+
+    @Mocked
+    HttpServletRequest mockHttpServletRequest;
+
+    /**
+     * <br/>
+     * 
+     * @throws java.lang.Exception
+     * @since  
+     */
+    @BeforeClass
+    public static void setUpBeforeClass() throws Exception {
+    }
+
+    /**
+     * <br/>
+     * 
+     * @throws java.lang.Exception
+     * @since  
+     */
+    @AfterClass
+    public static void tearDownAfterClass() throws Exception {
+    }
+
+    /**
+     * <br/>
+     * 
+     * @throws java.lang.Exception
+     * @since  
+     */
+    @Before
+    public void setUp() throws Exception {
+    }
+
+    /**
+     * <br/>
+     * 
+     * @throws java.lang.Exception
+     * @since  
+     */
+    @After
+    public void tearDown() throws Exception {
+    }
+
+    /**
+     * Test method for
+     * {@link org.openo.baseservice.util.RestUtils#getRequestBody(javax.servlet.http.HttpServletRequest)}
+     * .
+     * 
+     * @throws IOException
+     */
+    @Test
+    public void testGetRequestBody() throws IOException {
+        final String dummy = "this is a dummy data to test request body";
+        final ServletInputStream inputStream = new ServletInputStream() {
+
+            final ByteArrayInputStream stream = new ByteArrayInputStream(dummy.getBytes());
+
+            @Override
+            public int read() throws IOException {
+                return stream.read();
+            }
+
+        };
+
+        new Expectations() {
+
+            {
+                mockHttpServletRequest.getInputStream();
+                returns(inputStream);
+            }
+        };
+        final String body = RestUtils.getRequestBody(mockHttpServletRequest);
+
+        Assert.assertEquals(dummy, body);
+    }
+
+    @Test
+    public void testGetRequestBodyNull() throws IOException {
+        final ServletInputStream inputStream = null;
+        new Expectations() {
+
+            {
+                mockHttpServletRequest.getInputStream();
+                returns(inputStream);
+            }
+        };
+        final String body = RestUtils.getRequestBody(mockHttpServletRequest);
+
+        Assert.assertEquals("", body);
+    }
+
+    @Test
+    public void testGetRequestBodyIOException() throws IOException {
+        final ServletInputStream inputStream = new ServletInputStream() {
+
+            @Override
+            public int read() throws IOException {
+                throw new IOException();
+            }
+
+        };
+
+        new Expectations() {
+
+            {
+                mockHttpServletRequest.getInputStream();
+                returns(inputStream);
+            }
+        };
+        final String body = RestUtils.getRequestBody(mockHttpServletRequest);
+
+        Assert.assertEquals("", body);
+    }
+
+    @Test
+    public void testGetRequestBodyCloseIOException() throws IOException {
+        final ServletInputStream inputStream = new ServletInputStream() {
+
+            final ByteArrayInputStream stream = new ByteArrayInputStream("dummy".getBytes());
+
+            @Override
+            public int read() throws IOException {
+                return stream.read();
+            }
+
+            @Override
+            public void close() throws IOException {
+                throw new IOException();
+            }
+        };
+
+        new Expectations() {
+
+            {
+                mockHttpServletRequest.getInputStream();
+                returns(inputStream);
+            }
+        };
+        final String body = RestUtils.getRequestBody(mockHttpServletRequest);
+
+        Assert.assertEquals("dummy", body);
+    }
+
+}
diff --git a/wso2/common-util/src/test/java/org/openo/baseservice/util/impl/SystemEnvVariablesDefImplTest.java b/wso2/common-util/src/test/java/org/openo/baseservice/util/impl/SystemEnvVariablesDefImplTest.java
new file mode 100644
index 0000000..83414a2
--- /dev/null
+++ b/wso2/common-util/src/test/java/org/openo/baseservice/util/impl/SystemEnvVariablesDefImplTest.java
@@ -0,0 +1,113 @@
+/*
+ * Copyright 2016 Huawei Technologies Co., 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.
+ */
+package org.openo.baseservice.util.impl;
+
+import java.io.File;
+import java.io.IOException;
+
+import org.junit.AfterClass;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.openo.baseservice.util.inf.SystemEnvVariables;
+
+import junit.framework.Assert;
+import mockit.Mocked;
+import mockit.NonStrictExpectations;
+import mockit.integration.junit4.JMockit;
+import net.jcip.annotations.NotThreadSafe;
+
+/**
+ * <br/>
+ * <p>
+ * </p>
+ * 
+ * @author
+ * @version   08-Jun-2016
+ */
+@RunWith(JMockit.class)
+@NotThreadSafe
+public class SystemEnvVariablesDefImplTest {
+
+    /**
+     * <br/>
+     * 
+     * @throws java.lang.Exception
+     * @since  
+     */
+    @BeforeClass
+    public static void setUpBeforeClass() throws Exception {
+    }
+
+    /**
+     * <br/>
+     * 
+     * @throws java.lang.Exception
+     * @since  
+     */
+    @AfterClass
+    public static void tearDownAfterClass() throws Exception {
+    }
+
+    /**
+     * <br/>
+     * 
+     * @throws java.lang.Exception
+     * @since  
+     */
+    @Before
+    public void setUp() throws Exception {
+    }
+
+    @Test
+    public void testGetAppRootException() throws Exception {
+        new NonStrictExpectations() {
+
+            @Mocked
+            File file;
+
+            {
+                file = new File(".");
+                file.getCanonicalPath();
+                result = new IOException();
+            }
+
+        };
+        final SystemEnvVariables envVars =new SystemEnvVariablesDefImpl();
+        System.setProperty("catalina.base", ".");
+        final String actual = envVars.getAppRoot();
+        Assert.assertEquals(null, actual);
+    }
+
+
+    /**
+     * Test method for
+     * {@link org.openo.baseservice.util.impl.SystemEnvVariablesDefImpl#getAppRoot()}.
+     * 
+     * @throws Exception
+     */
+    @Test
+    public void testGetAppRoot() throws Exception {
+        final SystemEnvVariables envVars = new SystemEnvVariablesDefImpl();
+        final File file = new File(".");
+        final String expected = file.getCanonicalPath();
+        System.setProperty("catalina.base", ".");
+        final String actual = envVars.getAppRoot();
+        Assert.assertEquals(expected, actual);
+    }
+
+}