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How to use RegexGraph class of org.evomaster.client.java.instrumentation.coverage.methodreplacement.regex package

Best EvoMaster code snippet using org.evomaster.client.java.instrumentation.coverage.methodreplacement.regex.RegexGraph

Source:RegexDistanceUtils.java

...21    Note: some of the code here as been refactored into the ".regex" module22 */23package org.evomaster.client.java.instrumentation.coverage.methodreplacement;24import org.evomaster.client.java.instrumentation.coverage.methodreplacement.regex.CostMatrix;25import org.evomaster.client.java.instrumentation.coverage.methodreplacement.regex.RegexGraph;26import org.evomaster.client.java.instrumentation.coverage.methodreplacement.regex.RegexUtils;27import org.evomaster.client.java.instrumentation.staticstate.ExecutionTracer;28import org.evomaster.client.java.utils.SimpleLogger;29import java.util.Map;30import java.util.Set;31import java.util.concurrent.ConcurrentHashMap;32import java.util.concurrent.CopyOnWriteArraySet;33import java.util.regex.Pattern;34/**35 *  Class used to define the distance between a string and a regex36 */37public class RegexDistanceUtils {38    private static final Map<String, Pattern> patternCache = new ConcurrentHashMap<>();39    private static final Set<String> notSupported = new CopyOnWriteArraySet<>();40    /**41     * This is tricky... we could reasonably assume that in most cases the number of regex in the SUT42     * is finite, but that is not the case for the input strings, as those are parts of the generated43     * inputs by EM.44     * However, this code is really expensive... so any saving would be worthy.45     *46     */47    private static final Map<String, Map<String, RegexGraph>> graphCache = new ConcurrentHashMap<>();48    /**49     * <p>50     * Get the distance between the arg and the given regex.51     * All operations (insertion/deletion/replacement) cost 1.52     * There is no assumption on where and how the operations53     * can be done (ie all sequences are valid).54     * </p>55     *56     * Note that this quite expensive. If done too often, instrumentation can57     * decide to rather compute a flag.58     */59    public static int getStandardDistance(String arg, String regex) {60        if (!RegexUtils.isSupportedRegex(regex)61                || notSupported.contains(regex)62                || ExecutionTracer.isTooManyExpensiveOperations()63        ) {64            return getDefaultDistance(arg, regex);65        }66        RegexGraph graph = null;67        Map<String, RegexGraph> graphs = graphCache.get(regex);68        if(graphs != null){69            graph = graphs.get(arg);70        }71        try {72            if(graph == null) {73                graph = new RegexGraph(arg, regex);74                if(graphs == null){75                    graphs = new ConcurrentHashMap<>();76                    graphs.put(regex, graph);77                }78                graphs.put(arg, graph);79            }80        }catch (Exception e){81            SimpleLogger.uniqueWarn("Failed to build graph for regex: " + regex);82            notSupported.add(regex);83            return getDefaultDistance(arg, regex);84        }85        try {86            ExecutionTracer.increaseExpensiveOperationCount();87            return CostMatrix.calculateStandardCost(graph);...

RegexGraph

Using AI Code Generation

1package org.evomaster.client.java.instrumentation.coverage.methodreplacement.regex;2import java.util.Set;3import java.util.HashSet;4import java.util.List;5import java.util.ArrayList;6public class RegexGraph {7    private final Set<RegexNode> nodes;8    private final Set<RegexEdge> edges;9    public RegexGraph() {10        this.nodes = new HashSet<>();11        this.edges = new HashSet<>();12    }13    public RegexGraph(Set<RegexNode> nodes, Set<RegexEdge> edges) {14        this.nodes = nodes;15        this.edges = edges;16    }17    public Set<RegexNode> getNodes() {18        return nodes;19    }20    public Set<RegexEdge> getEdges() {21        return edges;22    }23    public void addNode(RegexNode node) {24        nodes.add(node);25    }26    public void addEdge(RegexEdge edge) {27        edges.add(edge);28    }29    public List<RegexNode> getStartNodes() {30        List<RegexNode> startNodes = new ArrayList<>();31        for (RegexNode node : nodes) {32            if (node.isStartNode()) {33                startNodes.add(node);34            }35        }36        return startNodes;37    }38    public List<RegexNode> getEndNodes() {39        List<RegexNode> endNodes = new ArrayList<>();40        for (RegexNode node : nodes) {41            if (node.isEndNode()) {42                endNodes.add(node);43            }44        }45        return endNodes;46    }47    public RegexNode getNode(int id) {48        for (RegexNode node : nodes) {49            if (node.getId() == id) {50                return node;51            }52        }53        return null;54    }55    public RegexEdge getEdge(int id) {56        for (RegexEdge edge : edges) {57            if (edge.getId() == id) {58                return edge;59            }60        }61        return null;62    }63    public RegexGraph copy() {64        Set<RegexNode> newNodes = new HashSet<>();65        Set<RegexEdge> newEdges = new HashSet<>();66        for (RegexNode node : nodes) {67            newNodes.add(node.copy());68        }69        for (RegexEdge edge : edges) {70            newEdges.add(edge.copy());71        }72        return new RegexGraph(newNodes, newEdges);73    }74    public void merge(RegexGraph graph) {75        for (RegexNode node : graph.getNodes()) {

RegexGraph

Using AI Code Generation

1RegexGraph regexGraph = new RegexGraph(regex);2String regexGraphString = regexGraph.getRegexGraph();3String regexGraphStringWithRegex = regexGraph.getRegexGraphWithRegex();4String regexGraphStringWithRegexAndRegexEngine = regexGraph.getRegexGraphWithRegexAndRegexEngine();5String regexGraphStringWithRegexAndRegexEngineAndRegexEngineDotAll = regexGraph.getRegexGraphWithRegexAndRegexEngineAndRegexEngineDotAll();6String regexGraphStringWithRegexAndRegexEngineAndRegexEngineDotAllAndRegexEngineDotAllAndCaseInsensitive = regexGraph.getRegexGraphWithRegexAndRegexEngineAndRegexEngineDotAllAndRegexEngineDotAllAndCaseInsensitive();7String regexGraphStringWithRegexAndRegexEngineAndRegexEngineDotAllAndRegexEngineDotAllAndCaseInsensitiveAndRegexEngineDotAllAndCaseInsensitiveAndMultiline = regexGraph.getRegexGraphWithRegexAndRegexEngineAndRegexEngineDotAllAndRegexEngineDotAllAndCaseInsensitiveAndRegexEngineDotAllAndCaseInsensitiveAndMultiline();

RegexGraph

Using AI Code Generation

1public class RegexGraph {2    private static final String regex = "((a|b)*)(a|b)*";3    public static void main(String[] args) {4        RegexGraph regexGraph = new RegexGraph();5        regexGraph.getRegexGraph(regex);6    }7    public void getRegexGraph(String regex){8        RegexGraph regexGraph = new RegexGraph(regex);9        System.out.println(regexGraph.toString());10    }11}12public class RegexGraph {13    private static final String regex = "((a|b)*)(a|b)*";14    public static void main(String[] args) {15        RegexGraph regexGraph = new RegexGraph();16        regexGraph.getRegexGraph(regex);17    }18    public void getRegexGraph(String regex){19        RegexGraph regexGraph = new RegexGraph(regex);20        System.out.println(regexGraph.toString());21    }22}23public class RegexGraph {24    private static final String regex = "((a|b)*)(a|b)*";25    public static void main(String[] args) {26        RegexGraph regexGraph = new RegexGraph();27        regexGraph.getRegexGraph(regex);28    }29    public void getRegexGraph(String regex){30        RegexGraph regexGraph = new RegexGraph(regex);31        System.out.println(regexGraph.toString());32    }33}34public class RegexGraph {35    private static final String regex = "((a|b)*)(a|b)*";36    public static void main(String[] args) {37        RegexGraph regexGraph = new RegexGraph();38        regexGraph.getRegexGraph(regex);39    }40    public void getRegexGraph(String regex){41        RegexGraph regexGraph = new RegexGraph(regex);42        System.out.println(regexGraph.toString());43    }44}45public class RegexGraph {46    private static final String regex = "((a|b)*)(a|

RegexGraph

Using AI Code Generation

1import org.evomaster.client.java.instrumentation.coverage.methodreplacement.regex.RegexGraph;2public class RegexGraphExample {3    public static void main(String[] args) throws Exception {4        String regex = "[a-zA-Z0-9\\-\\._]+@[a-zA-Z0-9\\-\\._]+\\.[a-zA-Z]{2,6}";5        String graph = RegexGraph.generateGraph(regex);6        System.out.println(graph);7        RegexGraph.saveGraph(graph, "regex.dot");8    }9}10digraph G {11    rankdir=LR;12    node [shape="circle"];13    0 [label="0"];14    1 [label="1"];15    2 [label="2"];16    3 [label="3"];17    4 [label="4"];18    5 [label="5"];19    6 [label="6"];20    7 [label="7"];21    8 [label="8"];22    9 [label="9"];23    10 [label="10"];24    11 [label="11"];25    12 [label="12"];26    13 [label="13"];27    14 [label="14"];

RegexGraph

Using AI Code Generation

1import org.evomaster.client.java.instrumentation.coverage.methodreplacement.regex.RegexGraph;2import org.evomaster.client.java.instrumentation.coverage.methodreplacement.regex.RegexNode;3import org.evomaster.client.java.instrumentation.coverage.methodreplacement.regex.RegexOperator;4import java.util.ArrayList;5import java.util.List;6public class RegexGraphExample {7    public static void main(String[] args) {8        String regex = "a*b*c*";9        RegexGraph regexGraph = new RegexGraph(regex);10        RegexNode rootNode = regexGraph.getRootNode();11        int numNodes = regexGraph.getNumNodes();12        int numEdges = regexGraph.getNumEdges();13        int numLeafNodes = regexGraph.getNumLeafNodes();14        List<RegexNode> leafNodes = regexGraph.getLeafNodes();15        RegexNode parentNode = regexGraph.getParentNode(rootNode);16        RegexNode childNode = regexGraph.getChildNode(rootNode);17        RegexOperator operator = regexGraph.getOperator(rootNode);18        char character = regexGraph.getCharacter(rootNode);19        List<String> testCases = regexGraph.getTestCases();20        List<String> testCasesWithNum = regexGraph.getTestCases(5);21        List<String> testCasesWithNumAndLength = regexGraph.getTestCases(5, 3);

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