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OpenAPIMain_test.java
OpenAPIMain_test.java 7.07 KiB
package openapi;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.node.ArrayNode;
import com.flipkart.zjsonpatch.JsonDiff;
import com.jayway.jsonpath.JsonPath;
import de.tudresden.inf.st.openapi.ast.*;
import io.swagger.parser.OpenAPIParser;
import io.swagger.v3.core.util.Json;
import io.swagger.v3.core.util.Yaml;
import io.swagger.v3.oas.models.OpenAPI;
import io.swagger.v3.parser.OpenAPIV3Parser;
import io.swagger.v3.parser.core.models.SwaggerParseResult;
import org.apache.commons.validator.routines.UrlValidator;
import org.junit.jupiter.api.*;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.MethodSource;
import javax.validation.constraints.AssertTrue;
import java.io.File;
import java.io.IOException;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.stream.Stream;
public class OpenAPIMain_test {
static List<File> resources = new ArrayList<>();
@BeforeAll
static void init() {
File r = new File("./src/main/resources");
initResources(r);
}
@MethodSource("resources")
@ParameterizedTest
void parserTest(File file) throws Exception {
OpenAPIObject jastAddObject;
OpenAPI openAPI;
ObjectMapper mapper = new ObjectMapper();
List<String> validation;
// parse OpenAPI in POJO, parse Json by POJO and validate OpenAPI-Json
SwaggerParseResult result = new OpenAPIParser().readLocation(file.getPath(), null, null);
openAPI = result.getOpenAPI();
System.out.println("Loading expression DSL file '" + file + "'.");
JsonNode expectedNode = mapper.readTree(Json.mapper().writeValueAsString(openAPI));
validation = new OpenAPIV3Parser().readContents(expectedNode.toString()).getMessages();
Assertions.assertFalse(validation.size() != 0, "validation of the input yaml not succeeded");
// parse OpenAPI in JastAdd, transform it to OpenAPI-POJO back and validate this
jastAddObject = OpenAPIObject.parseOpenAPI(openAPI);
OpenAPI transformedAPI = OpenAPIObject.reverseOpenAPI(jastAddObject);
JsonNode actualNode = mapper.readTree(Json.mapper().writeValueAsString(transformedAPI));
validation = new OpenAPIV3Parser().readContents(actualNode.toString()).getMessages();
Assertions.assertFalse(validation.size() != 0, "validation of the transformed yaml not succeeded");
// compare if parsed OpenAPI (source object, Json) is equivalent to back-transformed OpenAPI (generated object, Json)
compareJson(expectedNode, actualNode, Paths.get(file.getPath()));
}
@MethodSource("resources")
@ParameterizedTest
void RandomUrlTest(File file) {
OpenAPIObject jastAddObject;
OpenAPI openAPI;
List<String> urls;
UrlValidator urlValidator = new UrlValidator();
SwaggerParseResult result = new OpenAPIParser().readLocation(file.getPath(), null, null);
openAPI = result.getOpenAPI();
System.out.println("Loading expression DSL file '" + file + "'.");
jastAddObject = OpenAPIObject.parseOpenAPI(openAPI);
urls = jastAddObject.generateRequests(jastAddObject.generateParameters());
for (String url : urls)
Assertions.assertTrue(urlValidator.isValid(url), "validation of " + url + " not succeeded");
}
/*
@MethodSource("resources")
@ParameterizedTest
void RandomParameterTest(File file) {
OpenAPIObject jastAddObject;
OpenAPI openAPI;
List<String> urls;
Map<String, List<Object>> parameters;
SwaggerParseResult result = new OpenAPIParser().readLocation(file.getPath(), null, null);
openAPI = result.getOpenAPI();
System.out.println("Loading expression DSL file '" + file + "'.");
jastAddObject = OpenAPIObject.parseOpenAPI(openAPI);
parameters = jastAddObject.generateParameters();
for ( String key : parameters.keySet() ){
for ( Object value : parameters.get(key) ) {
if ( value instanceof String )
Assertions.assertTrue(((String) value).matches("[a-zA-Z0-9#.()/%&\\s-]{0,19}"), "validation of " + key + " : " + value + " not succeeded");
}
}
}
*/
static Stream<File> resources() {
return resources.stream();
}
static void compareJson(JsonNode expectedNode, JsonNode actualNode, Path path) throws IOException {
JsonNode diff = JsonDiff.asJson(expectedNode, actualNode);
String pathNode;
String result = "";
for (int i = diff.size() - 1; i >= 0; i--) {
// get the path of a node involving difference.
pathNode = "$" + diff.get(i).get("path").toString();
for (String s : pathNode.split("/")) {
if (s.contains("."))
pathNode = pathNode.replace(s, "['" + s + "']");
else if (s.contains(" "))
pathNode = pathNode.replace(s, "['" + s + "']");
}
pathNode = pathNode
.replace("/", ".")
.replace("~1", "/")
.replace("\"", "");
for (String s : pathNode.split("\\.")) {
if (!s.contains("['") && isNumeric(s) && Integer.parseInt(s) < 200)
result = result.concat("[" + s + "].");
else
result = result.concat(s + ".");
}
pathNode = result.substring(0, result.length() - 1);
// check, if this node is null or has an empty value.
if (JsonPath.parse(expectedNode.toString()).read(pathNode, String.class) == null || JsonPath.parse(expectedNode.toString()).read(pathNode, String.class).isEmpty())
((ArrayNode) diff).remove(i);
else if (JsonPath.parse(actualNode.toString()).read(pathNode, String.class) == null || JsonPath.parse(actualNode.toString()).read(pathNode, String.class).isEmpty())
((ArrayNode) diff).remove(i);
result = "";
}
// if the Jsons are equivalent, there is no reason to to the text comparison.
// if there is a difference, a text comparison might look better than just the diff.
if (diff.size() != 0) {
Assertions.assertEquals(actualNode.toPrettyString(), expectedNode.toPrettyString(), "JSONs for " + path + " are different:\n" + diff.toPrettyString());
}
}
static boolean isNumeric(String str) {
try {
int d = Integer.parseInt(str);
} catch (NumberFormatException nfe) {
return false;
}
return true;
}
static boolean isAlphaNumeric(String s) {
return s != null && s.matches("^[a-zA-Z0-9]*$");
}
static void initResources(File file) {
if (file.isDirectory()) {
for (File f : file.listFiles())
initResources(f);
} else if (file.isFile() && file.getPath().contains("yaml"))
resources.add(file);
}
}