Add DatabaseServerInfoTest

shardingsphere-proxy/shardingsphere-proxy-bootstrap/src/main/java/org/apache/shardingsphere/proxy/db/DatabaseServerInfo.java

@@ -47,6 +47,6 @@ public final class DatabaseServerInfo {
     
     @Override
     public String toString() {
-        return String.format("database name is `%s`, version is `%s`", databaseName, databaseVersion);
+        return String.format("Database name is `%s`, version is `%s`", databaseName, databaseVersion);
     }
 }

shardingsphere-proxy/shardingsphere-proxy-bootstrap/src/test/java/org/apache/shardingsphere/proxy/db/DatabaseServerInfoTest.java

+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.apache.shardingsphere.proxy.db;
+
+import org.apache.shardingsphere.infra.exception.ShardingSphereException;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Answers;
+import org.mockito.Mock;
+import org.mockito.junit.MockitoJUnitRunner;
+
+import javax.sql.DataSource;
+import java.sql.DatabaseMetaData;
+import java.sql.SQLException;
+
+import static org.hamcrest.CoreMatchers.is;
+import static org.junit.Assert.assertThat;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+@RunWith(MockitoJUnitRunner.class)
+public final class DatabaseServerInfoTest {
+    
+    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
+    private DataSource dataSource;
+    
+    @SuppressWarnings("ResultOfObjectAllocationIgnored")
+    @Test(expected = ShardingSphereException.class)
+    public void assertNewInstanceFailure() throws SQLException {
+        when(dataSource.getConnection()).thenThrow(SQLException.class);
+        new DatabaseServerInfo(dataSource);
+    }
+    
+    @Test
+    public void assertToString() throws SQLException {
+        DatabaseMetaData databaseMetaData = mock(DatabaseMetaData.class);
+        when(databaseMetaData.getDatabaseProductName()).thenReturn("fixtureDB");
+        when(databaseMetaData.getDatabaseProductVersion()).thenReturn("1.0.0");
+        when(dataSource.getConnection().getMetaData()).thenReturn(databaseMetaData);
+        assertThat(new DatabaseServerInfo(dataSource).toString(), is("Database name is `fixtureDB`, version is `1.0.0`"));
+    }
+}