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/*******************************************************************************
* Copyright (c) 2017 Politecnico di Torino and others.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Apache License, Version 2.0
* which accompanies this distribution, and is available at
* http://www.apache.org/licenses/LICENSE-2.0
*******************************************************************************/
package it.polito.verigraph.test;
import java.io.BufferedReader;
import java.io.File;
import java.io.FilenameFilter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import javax.ws.rs.client.Client;
import javax.ws.rs.client.ClientBuilder;
import javax.ws.rs.client.ResponseProcessingException;
import javax.ws.rs.client.WebTarget;
import javax.ws.rs.core.Response;
import com.fasterxml.jackson.core.JsonParseException;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.github.fge.jsonschema.core.exceptions.ProcessingException;
import com.github.fge.jsonschema.main.JsonSchema;
import it.polito.verigraph.client.VerifyClient;
import it.polito.verigraph.client.VerifyClientException;
import it.polito.verigraph.model.Graph;
import it.polito.verigraph.model.Verification;
import it.polito.verigraph.service.ValidationUtils;
public class Tester {
private File schema;
private List<File> testFiles= new ArrayList<File>();
private List<TestCase> testCases= new ArrayList<TestCase>();
private String target;
private VerifyClient verifyClient;
public Tester(String target, File schema, File folder)throws JsonParseException, JsonMappingException, IOException,
Exception {
init(target, schema, folder);
}
private void init(String target, File schema, File folder)throws JsonParseException, JsonMappingException,
IOException, Exception {
this.target = target;
this.verifyClient = new VerifyClient(this.target);
this.schema = schema;
this.testFiles = getTests(folder);
this.testCases = getTestCases(this.testFiles);
}
public List<File> getTests(File folder) {
List<File> filesList = new ArrayList<File>();
System.out.println("Test folder set to '" + folder.getAbsolutePath() + "'");
File[] files = folder.listFiles(new FilenameFilter() {
@Override
public boolean accept(File dir, String name) {
return name.endsWith(".json");
}
});
for (File f : files) {
filesList.add(f);
System.out.println("File '" + f.getName() + "' added to test files");
}
return filesList;
}
public List<TestCase> getTestCases(List<File> files)throws JsonParseException, JsonMappingException, IOException,
Exception {
List<TestCase> testCases = new ArrayList<TestCase>();
for (File file : files) {
validateTestFile(file);
try {
TestCase tc = new ObjectMapper().readValue(file, TestCase.class);
testCases.add(tc);
}
catch (Exception e) {
throw e;
}
}
return testCases;
}
private void runTestCases() throws VerifyClientException, TestExecutionException {
int counter = 0;
for (TestCase tc : this.testCases) {
List<String> results = runTestCase(tc);
Iterator<String> iter = tc.getResults().iterator();
for(String result : results){
if (iter.hasNext()){
if( !result.equals(iter.next()))
throw new TestExecutionException("Error running test given in file '"+ this.testFiles.get(counter).getName()
+ "'. Test returned '" + result + "' instead of '" + tc.getResults() + "'.");
else
System.out.println("Test given in file '"+ this.testFiles.get(counter).getName() + "' returned '"
+ result + "' as expected");
} else throw new TestExecutionException("Error running test given in file '"+ this.testFiles.get(counter).getName()
+ "'. Test returned '" + result + "' instead of '" + tc.getResults() + "'.");
}
counter++;
}
System.out.println("All tests PASSED");
}
private List<String> runTestCase(TestCase tc) throws VerifyClientException, TestExecutionException{
Client client = ClientBuilder.newClient();
List<String> results = new ArrayList<String>();
Graph graph = tc.getGraph();
Response response = null;
try{
response = this.verifyClient.createGraph(graph);
}
catch(ResponseProcessingException e){
throw new TestExecutionException("Response processing has failed: " + e.getResponse().readEntity(String.class));
}
catch(javax.ws.rs.ProcessingException e){
throw new TestExecutionException("HTTP request failed");
}
Graph createdGraph = response.readEntity(Graph.class);
for (String urlParams : tc.getPolicyUrlParameters()){
WebTarget target = client.target(this.target + "/graphs/" + createdGraph.getId() + "/policy" + urlParams);
response = target.request().get();
Verification verification = response.readEntity(Verification.class);
results.add(verification.getResult());
}
return results;
}
public void validateTestFile(File testFile) throws Exception {
JsonSchema schemaNode = null;
try {
schemaNode = ValidationUtils.getSchemaNode(schema);
}
catch (IOException e) {
throw new Exception("Unable to load '" + schema.getAbsolutePath() + "' schema file");
}
catch (ProcessingException e) {
throw new Exception("Unable to resolve '" + schema.getAbsolutePath() + "' schema file as a schema node");
}
JsonNode jsonNode;
try {
jsonNode = ValidationUtils.getJsonNode(testFile);
}
catch (IOException e) {
throw new Exception("Unable to load '" + testFile.getAbsolutePath() + "' as a json node");
}
try {
ValidationUtils.validateJson(schemaNode, jsonNode);
}
catch (ProcessingException e) {
throw new Exception("There were errors in the validation of file '"+ testFile.getAbsolutePath()
+ "' against the json schema '" + schema.getAbsolutePath() + "': " + e.getMessage());
}
}
public static void main(String[] args)throws JsonParseException, JsonMappingException, IOException,
VerifyClientException, Exception {
String folderName = System.getProperty("user.dir") + "/tester/testcases";
File folder = new File(folderName);
if (!folder.exists()) {
BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
String s;
do{
System.out.println("Please enter the testcases folder path: ");
s = in.readLine();
if (isValidpath(s)){
folder = new File(s);
break;
}
}while (s != null && s.length() != 0);
if(s == null)
System.exit(0);
}
String schemaName = System.getProperty("user.dir") + "/tester/testcase_schema.json";
File schema = new File(schemaName);
if (!schema.exists()) {
BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
String s;
do{
System.out.println("Please enter the full path of 'testcase_schema.json': ");
s = in.readLine();
if (isValidpath(s)){
folder = new File(s);
break;
}
}while (s != null && s.length() != 0);
if(s == null)
System.exit(0);
}
Tester tester = new Tester("http://localhost:8080/verigraph/api", schema, folder);
tester.runTestCases();
}
private static boolean isValidpath(String s) {
if (s==null)
return false;
File file = new File(s);
return file.exists();
}
}
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