Add unit tests to increase JaCoCo coverage from 30.1% to 30.7%

build.gradle

@@ -114,6 +114,10 @@ sourceSets {
     }
 }
 
+tasks.withType(ProcessResources) {
+    duplicatesStrategy = DuplicatesStrategy.INCLUDE
+}
+
 googleJavaFormat {
     toolVersion = '1.7'
     options style: 'AOSP'

src/test/java/org/fisco/bcos/sdk/v3/test/config/exceptions/ConfigExceptionTest.java

@@ -0,0 +1,77 @@
+package org.fisco.bcos.sdk.v3.test.config.exceptions;
+
+import org.fisco.bcos.sdk.v3.config.exceptions.ConfigException;
+import org.junit.Assert;
+import org.junit.Test;
+
+public class ConfigExceptionTest {
+
+    @Test
+    public void testConstructorWithMessage() {
+        String message = "Configuration error occurred";
+        ConfigException exception = new ConfigException(message);
+
+        Assert.assertNotNull(exception);
+        Assert.assertEquals(message, exception.getMessage());
+    }
+
+    @Test
+    public void testConstructorWithCause() {
+        Exception cause = new RuntimeException("Root cause");
+        ConfigException exception = new ConfigException(cause);
+
+        Assert.assertNotNull(exception);
+        Assert.assertEquals(cause, exception.getCause());
+        Assert.assertTrue(exception.getMessage().contains("Root cause"));
+    }
+
+    @Test
+    public void testConstructorWithMessageAndCause() {
+        String message = "Configuration error";
+        Exception cause = new IllegalArgumentException("Invalid argument");
+        ConfigException exception = new ConfigException(message, cause);
+
+        Assert.assertNotNull(exception);
+        Assert.assertEquals(message, exception.getMessage());
+        Assert.assertEquals(cause, exception.getCause());
+    }
+
+    @Test
+    public void testExceptionIsThrowable() {
+        ConfigException exception = new ConfigException("Test");
+        Assert.assertTrue(exception instanceof Exception);
+        Assert.assertTrue(exception instanceof Throwable);
+    }
+
+    @Test
+    public void testExceptionCanBeCaught() {
+        try {
+            throw new ConfigException("Test exception");
+        } catch (ConfigException e) {
+            Assert.assertEquals("Test exception", e.getMessage());
+        } catch (Exception e) {
+            Assert.fail("Should have caught ConfigException specifically");
+        }
+    }
+
+    @Test
+    public void testNullMessage() {
+        ConfigException exception = new ConfigException((String) null);
+        Assert.assertNotNull(exception);
+        Assert.assertNull(exception.getMessage());
+    }
+
+    @Test
+    public void testNullCause() {
+        ConfigException exception = new ConfigException((Throwable) null);
+        Assert.assertNotNull(exception);
+        Assert.assertNull(exception.getCause());
+    }
+
+    @Test
+    public void testEmptyMessage() {
+        String message = "";
+        ConfigException exception = new ConfigException(message);
+        Assert.assertEquals(message, exception.getMessage());
+    }
+}

src/test/java/org/fisco/bcos/sdk/v3/test/crypto/exceptions/HashExceptionTest.java

@@ -0,0 +1,67 @@
+package org.fisco.bcos.sdk.v3.test.crypto.exceptions;
+
+import org.fisco.bcos.sdk.v3.crypto.exceptions.HashException;
+import org.junit.Assert;
+import org.junit.Test;
+
+public class HashExceptionTest {
+
+    @Test
+    public void testConstructorWithMessage() {
+        String message = "Hash computation failed";
+        HashException exception = new HashException(message);
+
+        Assert.assertNotNull(exception);
+        Assert.assertEquals(message, exception.getMessage());
+    }
+
+    @Test
+    public void testConstructorWithMessageAndCause() {
+        String message = "Hash error occurred";
+        Exception cause = new IllegalArgumentException("Invalid input");
+        HashException exception = new HashException(message, cause);
+
+        Assert.assertNotNull(exception);
+        Assert.assertEquals(message, exception.getMessage());
+        Assert.assertEquals(cause, exception.getCause());
+    }
+
+    @Test
+    public void testExceptionIsRuntimeException() {
+        HashException exception = new HashException("Test");
+        Assert.assertTrue(exception instanceof RuntimeException);
+        Assert.assertTrue(exception instanceof Exception);
+    }
+
+    @Test
+    public void testExceptionCanBeCaught() {
+        try {
+            throw new HashException("Hash exception");
+        } catch (HashException e) {
+            Assert.assertEquals("Hash exception", e.getMessage());
+        } catch (Exception e) {
+            Assert.fail("Should have caught HashException specifically");
+        }
+    }
+
+    @Test
+    public void testNullMessage() {
+        HashException exception = new HashException(null);
+        Assert.assertNotNull(exception);
+        Assert.assertNull(exception.getMessage());
+    }
+
+    @Test
+    public void testEmptyMessage() {
+        String message = "";
+        HashException exception = new HashException(message);
+        Assert.assertEquals(message, exception.getMessage());
+    }
+
+    @Test
+    public void testNullCause() {
+        HashException exception = new HashException("Message", null);
+        Assert.assertNotNull(exception);
+        Assert.assertNull(exception.getCause());
+    }
+}

src/test/java/org/fisco/bcos/sdk/v3/test/crypto/exceptions/KeyPairExceptionTest.java

@@ -0,0 +1,67 @@
+package org.fisco.bcos.sdk.v3.test.crypto.exceptions;
+
+import org.fisco.bcos.sdk.v3.crypto.exceptions.KeyPairException;
+import org.junit.Assert;
+import org.junit.Test;
+
+public class KeyPairExceptionTest {
+
+    @Test
+    public void testConstructorWithMessage() {
+        String message = "Key pair generation failed";
+        KeyPairException exception = new KeyPairException(message);
+
+        Assert.assertNotNull(exception);
+        Assert.assertEquals(message, exception.getMessage());
+    }
+
+    @Test
+    public void testConstructorWithMessageAndCause() {
+        String message = "Key pair error occurred";
+        Exception cause = new IllegalStateException("Invalid state");
+        KeyPairException exception = new KeyPairException(message, cause);
+
+        Assert.assertNotNull(exception);
+        Assert.assertEquals(message, exception.getMessage());
+        Assert.assertEquals(cause, exception.getCause());
+    }
+
+    @Test
+    public void testExceptionIsRuntimeException() {
+        KeyPairException exception = new KeyPairException("Test");
+        Assert.assertTrue(exception instanceof RuntimeException);
+        Assert.assertTrue(exception instanceof Exception);
+    }
+
+    @Test
+    public void testExceptionCanBeCaught() {
+        try {
+            throw new KeyPairException("Key pair exception");
+        } catch (KeyPairException e) {
+            Assert.assertEquals("Key pair exception", e.getMessage());
+        } catch (Exception e) {
+            Assert.fail("Should have caught KeyPairException specifically");
+        }
+    }
+
+    @Test
+    public void testNullMessage() {
+        KeyPairException exception = new KeyPairException(null);
+        Assert.assertNotNull(exception);
+        Assert.assertNull(exception.getMessage());
+    }
+
+    @Test
+    public void testEmptyMessage() {
+        String message = "";
+        KeyPairException exception = new KeyPairException(message);
+        Assert.assertEquals(message, exception.getMessage());
+    }
+
+    @Test
+    public void testNullCause() {
+        KeyPairException exception = new KeyPairException("Message", null);
+        Assert.assertNotNull(exception);
+        Assert.assertNull(exception.getCause());
+    }
+}

src/test/java/org/fisco/bcos/sdk/v3/test/crypto/exceptions/LoadKeyStoreExceptionTest.java

@@ -0,0 +1,67 @@
+package org.fisco.bcos.sdk.v3.test.crypto.exceptions;
+
+import org.fisco.bcos.sdk.v3.crypto.exceptions.LoadKeyStoreException;
+import org.junit.Assert;
+import org.junit.Test;
+
+public class LoadKeyStoreExceptionTest {
+
+    @Test
+    public void testConstructorWithMessage() {
+        String message = "Failed to load keystore";
+        LoadKeyStoreException exception = new LoadKeyStoreException(message);
+
+        Assert.assertNotNull(exception);
+        Assert.assertEquals(message, exception.getMessage());
+    }
+
+    @Test
+    public void testConstructorWithMessageAndCause() {
+        String message = "Keystore load error";
+        Exception cause = new java.io.IOException("File not found");
+        LoadKeyStoreException exception = new LoadKeyStoreException(message, cause);
+
+        Assert.assertNotNull(exception);
+        Assert.assertEquals(message, exception.getMessage());
+        Assert.assertEquals(cause, exception.getCause());
+    }
+
+    @Test
+    public void testExceptionIsRuntimeException() {
+        LoadKeyStoreException exception = new LoadKeyStoreException("Test");
+        Assert.assertTrue(exception instanceof RuntimeException);
+        Assert.assertTrue(exception instanceof Exception);
+    }
+
+    @Test
+    public void testExceptionCanBeCaught() {
+        try {
+            throw new LoadKeyStoreException("Load exception");
+        } catch (LoadKeyStoreException e) {
+            Assert.assertEquals("Load exception", e.getMessage());
+        } catch (Exception e) {
+            Assert.fail("Should have caught LoadKeyStoreException specifically");
+        }
+    }
+
+    @Test
+    public void testNullMessage() {
+        LoadKeyStoreException exception = new LoadKeyStoreException(null);
+        Assert.assertNotNull(exception);
+        Assert.assertNull(exception.getMessage());
+    }
+
+    @Test
+    public void testEmptyMessage() {
+        String message = "";
+        LoadKeyStoreException exception = new LoadKeyStoreException(message);
+        Assert.assertEquals(message, exception.getMessage());
+    }
+
+    @Test
+    public void testNullCause() {
+        LoadKeyStoreException exception = new LoadKeyStoreException("Message", null);
+        Assert.assertNotNull(exception);
+        Assert.assertNull(exception.getCause());
+    }
+}

src/test/java/org/fisco/bcos/sdk/v3/test/crypto/exceptions/SignatureExceptionTest.java

@@ -0,0 +1,67 @@
+package org.fisco.bcos.sdk.v3.test.crypto.exceptions;
+
+import org.fisco.bcos.sdk.v3.crypto.exceptions.SignatureException;
+import org.junit.Assert;
+import org.junit.Test;
+
+public class SignatureExceptionTest {
+
+    @Test
+    public void testConstructorWithMessage() {
+        String message = "Signature verification failed";
+        SignatureException exception = new SignatureException(message);
+
+        Assert.assertNotNull(exception);
+        Assert.assertEquals(message, exception.getMessage());
+    }
+
+    @Test
+    public void testConstructorWithMessageAndCause() {
+        String message = "Signature error occurred";
+        Exception cause = new IllegalArgumentException("Invalid signature");
+        SignatureException exception = new SignatureException(message, cause);
+
+        Assert.assertNotNull(exception);
+        Assert.assertEquals(message, exception.getMessage());
+        Assert.assertEquals(cause, exception.getCause());
+    }
+
+    @Test
+    public void testExceptionIsRuntimeException() {
+        SignatureException exception = new SignatureException("Test");
+        Assert.assertTrue(exception instanceof RuntimeException);
+        Assert.assertTrue(exception instanceof Exception);
+    }
+
+    @Test
+    public void testExceptionCanBeCaught() {
+        try {
+            throw new SignatureException("Signature exception");
+        } catch (SignatureException e) {
+            Assert.assertEquals("Signature exception", e.getMessage());
+        } catch (Exception e) {
+            Assert.fail("Should have caught SignatureException specifically");
+        }
+    }
+
+    @Test
+    public void testNullMessage() {
+        SignatureException exception = new SignatureException(null);
+        Assert.assertNotNull(exception);
+        Assert.assertNull(exception.getMessage());
+    }
+
+    @Test
+    public void testEmptyMessage() {
+        String message = "";
+        SignatureException exception = new SignatureException(message);
+        Assert.assertEquals(message, exception.getMessage());
+    }
+
+    @Test
+    public void testNullCause() {
+        SignatureException exception = new SignatureException("Message", null);
+        Assert.assertNotNull(exception);
+        Assert.assertNull(exception.getCause());
+    }
+}