ru.yandex.qatools.allure.utils.AllureResultsUtils Maven / Gradle / Ivy
package ru.yandex.qatools.allure.utils;
import com.sun.xml.bind.marshaller.CharacterEscapeHandler;
import org.apache.tika.metadata.Metadata;
import org.apache.tika.mime.MimeTypes;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import ru.yandex.qatools.allure.config.AllureConfig;
import ru.yandex.qatools.allure.exceptions.AllureException;
import ru.yandex.qatools.allure.model.Attachment;
import ru.yandex.qatools.allure.model.ObjectFactory;
import ru.yandex.qatools.allure.model.TestSuiteResult;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;
import javax.xml.bind.PropertyException;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.math.BigInteger;
import java.nio.file.Files;
import java.security.MessageDigest;
import static javax.xml.bind.Marshaller.JAXB_ENCODING;
import static javax.xml.bind.Marshaller.JAXB_FORMATTED_OUTPUT;
import static org.apache.tika.mime.MimeTypes.getDefaultMimeTypes;
import static ru.yandex.qatools.allure.config.AllureConfig.getDefaultResultsDirectory;
import static ru.yandex.qatools.allure.config.AllureNamingUtils.generateTestSuiteFileName;
/**
* @author Artem Eroshenko [email protected]
* Date: 1/17/14
*
* Using to write test results (test suites and attachments) to result directory
*/
public final class AllureResultsUtils {
private static File resultsDirectory;
private static final int POSITIVE = 1;
private static final int HEX = 16;
private static final String UTF_8 = "UTF-8";
private static final String ESCAPE_HANDLER_PROPERTY = CharacterEscapeHandler.class.getName();
private static final Object RESULT_DIRECTORY_LOCK = new Object();
private static final Object ATTACHMENTS_LOCK = new Object();
private static final AllureConfig CONFIG = AllureConfig.newInstance();
private static final Logger LOGGER = LoggerFactory.getLogger(AllureResultsUtils.class);
/**
* Don't use instance
*/
AllureResultsUtils() {
throw new IllegalStateException("Don't instance AllureResultsUtils");
}
/**
* Returns results directory. If {@link #resultsDirectory} not set create new
* directory uses {@link #createResultsDirectory()} method.
*
* @return results directory
*/
public static File getResultsDirectory() {
synchronized (RESULT_DIRECTORY_LOCK) {
if (resultsDirectory == null) {
resultsDirectory = createResultsDirectory();
}
}
return resultsDirectory;
}
/**
* Create results directory. First step try to create {@link #CONFIG#getResultsDirectory()},
* if cannot, try to create {@link ru.yandex.qatools.allure.config.AllureConfig#getDefaultResultsDirectory},
* and if cannot, returns a new File instance by converting the "allure-results"
* pathname string into an abstract pathname.
*
* @return created results directory
*/
private static File createResultsDirectory() {
File resultsDirectory = CONFIG.getResultsDirectory();
if (createDirectories(resultsDirectory)) {
return resultsDirectory;
}
LOGGER.error(String.format(
"Results directory <%s> doesn't exists and can't be created, using default directory",
resultsDirectory.getAbsolutePath()
));
resultsDirectory = getDefaultResultsDirectory();
if (createDirectories(resultsDirectory)) {
return resultsDirectory;
}
LOGGER.error(String.format(
"Default results directory <%s> doesn't exists and can't be created, using temp directory",
resultsDirectory.getAbsolutePath()
));
try {
return Files.createTempDirectory("allure-results").toFile();
} catch (IOException e) {
throw new AllureException("Can't create results directory", e);
}
}
/**
* Try to create the directory named by this abstract pathname, including any
* necessary but nonexistent parent directories.
*
* @param dir to create
* @return true, if directory successfully created, false otherwise
*/
public static boolean createDirectories(File dir) {
return dir.exists() || dir.mkdirs();
}
/**
* Sets results directory. Use only for tests
*
* @param resultsDirectory results directory to set
*/
public static void setResultsDirectory(File resultsDirectory) {
AllureResultsUtils.resultsDirectory = resultsDirectory;
}
/**
* Marshal {@link ru.yandex.qatools.allure.model.TestSuiteResult} to {@link #resultsDirectory}
* uses {@link BadXmlCharacterEscapeHandler}. Name of file generated uses
* {@link ru.yandex.qatools.allure.config.AllureNamingUtils#generateTestSuiteFileName()}
*
* @param testSuite to marshal
*/
public static void writeTestSuiteResult(TestSuiteResult testSuite) {
File testSuiteResultFile = new File(getResultsDirectory(), generateTestSuiteFileName());
try {
marshaller(TestSuiteResult.class).marshal(
new ObjectFactory().createTestSuite(testSuite),
testSuiteResultFile
);
} catch (Exception e) {
LOGGER.error("Error while marshaling testSuite", e);
}
}
/**
* Creates a new {@link javax.xml.bind.Marshaller} for given class.
* If marshaller created successfully, try to set following properties:
* {@link Marshaller#JAXB_FORMATTED_OUTPUT}, {@link Marshaller#JAXB_ENCODING},
* {@link #ESCAPE_HANDLER_PROPERTY} using {@link #setPropertySafely(javax.xml.bind.Marshaller, String, Object)}
*
* @param clazz specified class
* @return a created marshaller
* @throws AllureException if can't create marshaller for given class.
*/
public static Marshaller marshaller(Class clazz) {
Marshaller m = createMarshallerForClass(clazz);
setPropertySafely(m, JAXB_FORMATTED_OUTPUT, true);
setPropertySafely(m, JAXB_ENCODING, UTF_8);
setPropertySafely(m, ESCAPE_HANDLER_PROPERTY, BadXmlCharacterEscapeHandler.getInstance());
return m;
}
/**
* Creates a new {@link javax.xml.bind.Marshaller} for given class.
*
* @param clazz specified class
* @return a created marshaller
* @throws AllureException if can't create marshaller for given class.
*/
public static Marshaller createMarshallerForClass(Class clazz) {
try {
return JAXBContext.newInstance(clazz).createMarshaller();
} catch (JAXBException e) {
throw new AllureException("Can't create marshaller for class " + clazz);
}
}
/**
* Try to set specified property to given marshaller
*
* @param marshaller specified marshaller
* @param name name of property to set
* @param value value of property to set
*/
public static void setPropertySafely(Marshaller marshaller, String name, Object value) {
try {
marshaller.setProperty(name, value);
} catch (PropertyException e) {
LOGGER.warn(String.format("Can't set \"%s\" property to given marshaller", name), e);
}
}
/**
* Remove attachment form {@link #resultsDirectory}
*
* @param attachment to remove
* @return true, if attachment removed successfully, false otherwise
*/
public static boolean deleteAttachment(Attachment attachment) {
File attachmentFile = new File(getResultsDirectory(), attachment.getSource());
return attachmentFile.exists() && attachmentFile.canWrite() && attachmentFile.delete();
}
/**
* Write attachment uses {@link #writeAttachment(byte[], String, String)} (if
* specified attachment type not empty) or {@link #writeAttachment(byte[], String)}
* otherwise. If something went wrong uses
* {@link #writeAttachmentWithErrorMessage(Throwable, String)}
*
* @param attachment which will write
* @param title attachment title
* @param type attachment type (should be valid mime-type, empty string or null)
* @return Created {@link ru.yandex.qatools.allure.model.Attachment}
*/
public static Attachment writeAttachmentSafely(byte[] attachment, String title, String type) {
try {
return type == null || type.isEmpty()
? writeAttachment(attachment, title)
: writeAttachment(attachment, title, type);
} catch (Exception e) {
return writeAttachmentWithErrorMessage(e, title);
}
}
/**
* Write throwable as attachment.
*
* @param throwable to write
* @param title title of attachment
* @return Created {@link ru.yandex.qatools.allure.model.Attachment}
*/
public static Attachment writeAttachmentWithErrorMessage(Throwable throwable, String title) {
String message = throwable.getMessage();
try {
return writeAttachment(message.getBytes(CONFIG.getAttachmentsEncoding()), title);
} catch (Exception e) {
e.addSuppressed(throwable);
LOGGER.error(String.format("Can't write attachment \"%s\"", title), e);
}
return new Attachment();
}
/**
* Write attachment with specified type. Generate attachment name uses
* {@link #generateAttachmentName(byte[])}, attachment extension uses
* {@link #getExtensionByMimeType(String)}
*
* @param attachment byte array with attachment
* @param title attachment title
* @param type valid mime-type of attachment
* @return Created {@link ru.yandex.qatools.allure.model.Attachment}
* @throws IOException if can't write attachment
*/
public static Attachment writeAttachment(byte[] attachment, String title, String type) throws IOException {
String name = generateAttachmentName(attachment);
String extension = getExtensionByMimeType(type);
String source = name + extension;
File file = new File(getResultsDirectory(), source);
synchronized (ATTACHMENTS_LOCK) {
if (!file.exists()) {
try (FileOutputStream fos = new FileOutputStream(file)) {
fos.write(attachment);
}
}
}
return new Attachment().withTitle(title).withSource(source).withType(type).withSize(attachment.length);
}
/**
* Write attachment without specified type. Using {@link org.apache.tika.mime.MimeTypes#detect}
* to autodetect attachment type from attachment content.
*
* @param attachment to write
* @param title attachment title
* @return Created {@link ru.yandex.qatools.allure.model.Attachment}
* @throws IOException if can't write attachment
*/
public static Attachment writeAttachment(byte[] attachment, String title) throws IOException {
String type = getDefaultMimeTypes().detect(new ByteArrayInputStream(attachment), new Metadata()).toString();
return writeAttachment(attachment, title, type);
}
/**
* Generate attachment name. As prefix uses sha256 of given content
*
* @param attachment content
* @return generated name, looks like \"{sha256}-attachment\"
*/
public static String generateAttachmentName(byte[] attachment) {
String prefix = "unknown";
try {
byte[] bytes = MessageDigest.getInstance("SHA-256").digest(attachment);
prefix = new BigInteger(POSITIVE, bytes).toString(HEX);
} catch (Exception ignored) {
}
return prefix + CONFIG.getAttachmentFileSuffix();
}
/**
* Generate attachment extension from mime type
*
* @param type valid mime-type
* @return extension if it's known for specified mime-type, or empty string
* otherwise
*/
public static String getExtensionByMimeType(String type) {
MimeTypes types = getDefaultMimeTypes();
try {
return types.forName(type).getExtension();
} catch (Exception e) {
LOGGER.warn("Can't detect extension for MIME-type", e);
return "";
}
}
}
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