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

...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}...

execute

Using AI Code Generation

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}

execute

Using AI Code Generation

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}

execute

Using AI Code Generation

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}

execute

Using AI Code Generation

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        }

execute

Using AI Code Generation

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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