How to use execute 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.execute

Source:PreparedStatementClassReplacement.java Github

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...16import java.sql.ResultSet;17import java.sql.SQLException;18import java.util.List;19import java.util.stream.Collectors;20import static org.evomaster.client.java.instrumentation.coverage.methodreplacement.classes.StatementClassReplacement.executeSql;21public class PreparedStatementClassReplacement implements MethodReplacementClass {22 @Override23 public Class<?> getTargetClass() {24 return PreparedStatement.class;25 }26 public static String extractSqlFromH2PreparedStatement(PreparedStatement stmt) {27 Class<?> klass = stmt.getClass();28 String className = klass.getName();29 if (!className.equals("org.h2.jdbc.JdbcPreparedStatement")) {30 throw new IllegalArgumentException("Invalid type: " + className);31 }32 try {33 /*34 Quite brittle... but easy to test on new H2 releases35 */36 Field cf = klass.getDeclaredField("command");37 cf.setAccessible(true);38 Object command = cf.get(stmt);39 Class<?> ck = command.getClass();40 if(! ck.getName().endsWith("CommandRemote")){41 /*42 very brittle.. :(43 based on the concrete class for the Command (there are 3...)44 the location of the 'sql' private field is different :(45 */46 ck = ck.getSuperclass();47 }48 Field sf = ck.getDeclaredField("sql");49 sf.setAccessible(true);50 String sql = (String) sf.get(command);51 Method pm = command.getClass().getDeclaredMethod("getParameters");52 pm.setAccessible(true);53 List<?> pv = (List<?>) pm.invoke(command);54 List<String> params = pv.stream()55 .map(it -> {56 try {57 Method gpvm = it.getClass().getDeclaredMethod("getParamValue");58 gpvm.setAccessible(true);59 Object value = gpvm.invoke(it);60 if(value.getClass().getName().equals("org.h2.value.ValueLobDb")){61 //FIXME this gives issues... not sure we can really handle it62 return "LOB";63 }64 return value.toString();65 } catch (Exception e) {66 throw new RuntimeException(e);67 }68 })69 .collect(Collectors.toList());70 return interpolateSqlStringWithJSqlParser(sql, params);71 } catch (Exception e) {72 throw new RuntimeException(e);73 }74 }75 // replaced by interpolateSqlStringWithJSqlParser76 @Deprecated77 public static String interpolateSqlString(String sql, List<String> params) {78 long replacements = sql.chars().filter(it -> it=='?').count();79 if(replacements != params.size()){80 SimpleLogger.error("EvoMaster ERROR. Mismatch of parameter count " + replacements+"!="+ params.size()81 + " in SQL command: " + sql);82 return null;83 }84 for(String p : params){85 sql = sql.replaceFirst("\\?", p);86 }87 return sql;88 }89 /**90 * inspired by this example from https://stackoverflow.com/questions/46890089/how-can-i-purify-a-sql-query-and-replace-all-parameters-with-using-regex91 * @param sql is an original sql command which might contain comments or be dynamic sql with parameters92 * @param params are parameters which exists in the [sql]93 * @return a interpolated sql.94 * note that if the sql could not be handled, we return the original one since such info is still useful for e.g., industrial partner95 * then we could record the execution info.96 * note that comments could also be removed with this function.97 *98 */99 public static String interpolateSqlStringWithJSqlParser(String sql, List<String> params) {100 StringBuilder sqlbuffer = new StringBuilder();101 try {102 ExpressionDeParser expDeParser = new ExpressionDeParser() {103 @Override104 public void visit(JdbcParameter parameter) {105 int index = parameter.getIndex();106 this.getBuffer().append(params.get(index-1));107 }108 };109 SelectDeParser selectDeparser = new SelectDeParser(expDeParser, sqlbuffer);110 expDeParser.setSelectVisitor(selectDeparser);111 expDeParser.setBuffer(sqlbuffer);112 StatementDeParser stmtDeparser = new StatementDeParser(expDeParser, selectDeparser, sqlbuffer);113 Statement stmt = CCJSqlParserUtil.parse(sql);114 stmt.accept(stmtDeparser);115 return stmtDeparser.getBuffer().toString();116 } catch (Exception e) {117 // catch all kinds of exception here since there might exist problems in processing params118 SimpleLogger.error("EvoMaster ERROR. Could not handle "+ sql + " with an error message :"+e.getMessage());119 return sql;120 }121 }122 /**123 *124 * @param stmt a sql statement to be prepared125 * @return a null if skip to handle the stmt126 */127 private static String handlePreparedStatement(PreparedStatement stmt) {128 if (stmt == null) {129 //nothing to do130 return null;131 }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 }196 @Replacement(type = ReplacementType.TRACKER, isPure = false, category = ReplacementCategory.SQL)197 public static boolean execute(PreparedStatement stmt) throws SQLException {198 String sql = handlePreparedStatement(stmt);199 return executeSql(()-> stmt.execute(), sql);200 }201}...

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execute

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1 public static void execute(String sql) {2 if (sql != null && !sql.trim().isEmpty()) {3 org.evomaster.client.java.instrumentation.coverage.methodreplacement.classes.PreparedStatementClassReplacement.getInstance().add(sql);4 }5 }6 public static ResultSet executeQuery(String sql) throws SQLException {7 if (sql != null && !sql.trim().isEmpty()) {8 org.evomaster.client.java.instrumentation.coverage.methodreplacement.classes.PreparedStatementClassReplacement.getInstance().add(sql);9 }10 return null;11 }12 public static int executeUpdate(String sql) throws SQLException {13 if (sql != null && !sql.trim().isEmpty()) {14 org.evomaster.client.java.instrumentation.coverage.methodreplacement.classes.PreparedStatementClassReplacement.getInstance().add(sql);15 }16 return 0;17 }18 public static void main(String[] args) {19 try {20 Connection conn = DriverManager.getConnection("jdbc:h2:mem:db1;DB_CLOSE_DELAY=-1", "sa", "");21 Statement stmt = conn.createStatement();22 stmt.execute("CREATE TABLE IF NOT EXISTS users (id INTEGER PRIMARY KEY, name VARCHAR(100))");23 stmt.executeUpdate("INSERT INTO users VALUES (1, 'foo')");24 PreparedStatement ps = conn.prepareStatement("SELECT * FROM users WHERE id = ?");25 ps.setInt(1, 1);26 ResultSet rs = ps.executeQuery();27 while (rs.next()) {28 String name = rs.getString("name");29 System.out.println("name = " + name);30 }31 rs.close();32 stmt.close();33 conn.close();34 } catch (SQLException e) {35 e.printStackTrace();36 }37 }38}

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execute

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1public class Example {2 private static final String SQL = "SELECT * FROM T WHERE id = ?";3 private static final String SQL2 = "SELECT * FROM T WHERE id = ? AND name = ?";4 private static final String SQL3 = "SELECT * FROM T WHERE id = ? AND name = ? AND surname = ?";5 public static void main(String[] args) throws SQLException {6 Connection connection = DriverManager.getConnection("jdbc:hsqldb:mem:myDb", "SA", "");7 PreparedStatement preparedStatement = connection.prepareStatement(SQL);8 PreparedStatement preparedStatement2 = connection.prepareStatement(SQL2);9 PreparedStatement preparedStatement3 = connection.prepareStatement(SQL3);10 preparedStatement.setInt(1, 1);11 preparedStatement2.setInt(1, 1);12 preparedStatement2.setString(2, "name");13 preparedStatement3.setInt(1, 1);14 preparedStatement3.setString(2, "name");15 preparedStatement3.setString(3, "surname");16 ResultSet rs = preparedStatement.executeQuery();17 ResultSet rs2 = preparedStatement2.executeQuery();18 ResultSet rs3 = preparedStatement3.executeQuery();19 }20}

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execute

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1public class PreparedStatementClassReplacementTest {2 public void testPreparedStatementClassReplacement() throws SQLException {3 Connection connection = DriverManager.getConnection("jdbc:hsqldb:mem:.", "SA", "");4 PreparedStatement statement = connection.prepareStatement("SELECT * FROM foo WHERE a = ?");5 statement.execute();6 statement.execute("SELECT * FROM foo WHERE a = 1");7 statement.executeQuery();8 statement.executeQuery("SELECT * FROM foo WHERE a = 1");9 statement.executeUpdate();10 statement.executeUpdate("SELECT * FROM foo WHERE a = 1");11 statement.addBatch();12 statement.addBatch("SELECT * FROM foo WHERE a = 1");13 statement.executeLargeUpdate();14 statement.executeLargeUpdate("SELECT * FROM foo WHERE a = 1");15 statement.executeLargeBatch();16 statement.executeLargeBatch();17 statement.close();18 }19}

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execute

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1 public String getSqlStatement() throws SQLException {2 return (String) PreparedStatementClassReplacement.execute(this, "getSqlStatement");3 }4 public String getSqlStatement() throws SQLException {5 return (String) PreparedStatementClassReplacement.execute(this, "getSqlStatement");6 }7public static Object execute(PreparedStatement ps, String methodName) throws SQLException {8 if (ps instanceof PreparedStatementWrapper) {9 return ((PreparedStatementWrapper) ps).execute(methodName);10 }11 throw new IllegalArgumentException("Unsupported class: " + ps.getClass().getName());12 }13public Object execute(String methodName) throws SQLException {14 if (methodName.equals("getSqlStatement")) {15 return getSqlStatement();16 }17 throw new IllegalArgumentException("Unsupported method: " + methodName);18 }19public String getSqlStatement() throws SQLException {20 if (sqlStatement != null) {21 return sqlStatement;22 }23 if (sql == null) {24 throw new IllegalStateException("No SQL statement");25 }26 StringBuilder sb = new StringBuilder();27 int paramIndex = 1;28 for (int i = 0; i < sql.length(); i++) {29 char c = sql.charAt(i);30 if (c == '?') {31 if (paramIndex > parameters.size()) {32 throw new IllegalStateException("No parameter for index: " + paramIndex);33 }34 Object param = parameters.get(paramIndex - 1);35 if (param == null) {36 sb.append("null");37 } else if (param instanceof String) {38 sb.append("'").append(param).append("'");39 } else {40 sb.append(param);41 }42 paramIndex++;43 } else {44 sb.append(c);45 }46 }47 sqlStatement = sb.toString();48 return sqlStatement;49 }50public void setString(int parameterIndex, String x) throws SQLException {51 checkClosed();52 if (parameterIndex < 1) {53 throw new SQLException("Parameter index out of range (1 - " + parameters.size() + "): " + parameterIndex);54 }55 if (parameterIndex > parameters.size()) {56 throw new SQLException("Parameter index out of range (1 - " + parameters.size() + "): " + parameterIndex);57 }

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execute

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1 [junit] at org.evomaster.client.java.instrumentation.coverage.methodreplacement.classes.PreparedStatementClassReplacement.execute(PreparedStatementClassReplacement.java:82)2 [junit] at org.evomaster.client.java.instrumentation.coverage.methodreplacement.classes.PreparedStatementClassReplacement.execute(PreparedStatementClassReplacement.java:50)3 [junit] at org.evomaster.client.java.instrumentation.example.db.SqlScript.execute(SqlScript.java:103)4 [junit] at org.evomaster.client.java.instrumentation.example.db.SqlScript.main(SqlScript.java:77)5 [junit] at org.evomaster.client.java.instrumentation.coverage.methodreplacement.classes.PreparedStatementClassReplacement.execute(PreparedStatementClassReplacement.java:82)6 [junit] at org.evomaster.client.java.instrumentation.coverage.methodreplacement.classes.PreparedStatementClassReplacement.execute(PreparedStatementClassReplacement.java:50)7 [junit] at org.evomaster.client.java.instrumentation.example.db.SqlScript.execute(SqlScript.java:103)8 [junit] at org.evomaster.client.java.instrumentation.example.db.SqlScript.main(SqlScript.java:77)9 [junit] at org.evomaster.client.java.instrumentation.coverage.methodreplacement.classes.PreparedStatementClassReplacement.execute(PreparedStatementClassReplacement.java:82)10 [junit] at org.evomaster.client.java.instrumentation.coverage.methodreplacement.classes.PreparedStatementClassReplacement.execute(PreparedStatementClassReplacement.java:50)11 [junit] at org.evomaster.client.java.instrumentation.example.db.SqlScript.execute(SqlScript.java:103)12 [junit] at org.evomaster.client.java.instrumentation.example.db.SqlScript.main(SqlScript.java:77)

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