How to use checkZebraPreparedStatementWrapper method of org.evomaster.client.java.instrumentation.coverage.methodreplacement.classes.PreparedStatementClassReplacement class

Best EvoMaster code snippet using org.evomaster.client.java.instrumentation.coverage.methodreplacement.classes.PreparedStatementClassReplacement.checkZebraPreparedStatementWrapper

Source:PreparedStatementClassReplacement.java Github

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...132 String fullClassName = stmt.getClass().getName();133 if (fullClassName.startsWith("com.zaxxer.hikari.pool") ||134 fullClassName.startsWith("org.apache.tomcat.jdbc.pool") ||135 fullClassName.startsWith("com.sun.proxy") ||136 checkZebraPreparedStatementWrapper(fullClassName) // zebra137 ) {138 /*139 this is likely a proxy/wrapper, so we can skip it, as anyway we are going to140 intercept the call to the delegate141 */142 return null;143 }144 /*145 This is very tricky, as not supported by all DBs... see for example:146 https://stackoverflow.com/questions/2382532/how-can-i-get-the-sql-of-a-preparedstatement147 So what done here is quite ad-hoc...148 There is no direct way to access the SQL command... but some drivers do print it149 when calling toString.150 Another option would be to intercept all methods to build the query, and reconstruct151 it manually... but it would be a LOT of work.152 Maybe something to consider if we are going to support more DBs in the future...153 */154 String sql = stmt.toString();155 //Postgres print the command as it is156 if (sql.startsWith("com.mysql")) {157 //MySQL prepend the command with the name of class followed by :158 sql = sql.substring(sql.indexOf(":") + 1);159 }160 if (stmt.getClass().getName().equals("org.h2.jdbc.JdbcPreparedStatement")) {161 /*162 Unfortunately H2 does not support it... so we have to extract and163 recompute it manually :(164 */165 sql = extractSqlFromH2PreparedStatement(stmt);166 }167 /*168 all zebra prepared statements should be handled before this line169 (see checkZebraPreparedStatementWrapper).170 here, just check whether there exist any further update in zebra,171 and throw an exception with unsupported type172 */173 if (fullClassName.startsWith("com.dianping.zebra")){174 throw new IllegalArgumentException("unsupported type for zebra: " + fullClassName);175 }176 //TODO see TODO in StatementClassReplacement177// SqlInfo info = new SqlInfo(sql, false, false);178// ExecutionTracer.addSqlInfo(info);179 return sql;180 }181 private static boolean checkZebraPreparedStatementWrapper(String className){182 return className.equals("com.dianping.zebra.group.jdbc.GroupPreparedStatement") ||183 className.equals("com.dianping.zebra.shard.jdbc.ShardPreparedStatement") ||184 className.equals("com.dianping.zebra.single.jdbc.SinglePreparedStatement");185 }186 @Replacement(type = ReplacementType.TRACKER, isPure = false, category = ReplacementCategory.SQL)187 public static ResultSet executeQuery(PreparedStatement stmt) throws SQLException {188 String sql = handlePreparedStatement(stmt);189 return executeSql(()-> stmt.executeQuery(), sql);190 }191 @Replacement(type = ReplacementType.TRACKER, isPure = false, category = ReplacementCategory.SQL)192 public static int executeUpdate(PreparedStatement stmt) throws SQLException {193 String sql = handlePreparedStatement(stmt);194 return executeSql(()-> stmt.executeUpdate(), sql);195 }...

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checkZebraPreparedStatementWrapper

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1 public void test() throws SQLException {2 String sql = "SELECT * FROM table WHERE id = ?";3 PreparedStatement statement = connection.prepareStatement(sql);4 statement.setInt(1, 1);5 ResultSet result = statement.executeQuery();6 assertTrue(result.next());7 }8}9public static ResultSet executeQueryWrapper(PreparedStatement ps, String sql) throws SQLException {10 if (checkZebraPreparedStatementWrapper(ps, sql)) {11 return executeQueryWrapper(ps, sql, null);12 } else {13 return ps.executeQuery();14 }15}16public static int executeUpdateWrapper(PreparedStatement ps, String sql) throws SQLException {17 if (checkZebraPreparedStatementWrapper(ps, sql)) {18 return executeUpdateWrapper(ps, sql, null);19 } else {20 return ps.executeUpdate();21 }22}23public static boolean executeWrapper(PreparedStatement ps, String sql) throws SQLException {24 if (checkZebraPreparedStatementWrapper(ps, sql)) {25 return executeWrapper(ps, sql, null);26 } else {

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checkZebraPreparedStatementWrapper

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1public class TestTemplate {2 public static void test() throws SQLException {3 String sql = "SELECT * FROM Zebra WHERE name=?";4 PreparedStatement statement = null;5 Connection connection = null;6 try {7 connection = DriverManager.getConnection("some url");8 statement = connection.prepareStatement(sql);9 statement.setString(1, "Bob");10 statement.execute();11 } finally {12 if (statement != null) {13 statement.close();14 }15 if (connection != null) {16 connection.close();17 }18 }19 }20}

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