package com.oracle.svm.junit;
import java.io.BufferedReader;
import java.io.FileReader;
import java.util.List;
import org.graalvm.compiler.options.Option;
import org.graalvm.nativeimage.ImageSingletons;
import org.graalvm.nativeimage.Platform;
import org.graalvm.nativeimage.Platforms;
import org.graalvm.nativeimage.hosted.Feature.FeatureAccess;
import org.junit.internal.JUnitSystem;
import org.junit.internal.RealSystem;
import org.junit.runner.JUnitCore;
import org.junit.runner.Request;
import org.junit.runner.Result;
import org.junit.runner.notification.Failure;
import com.oracle.mxtool.junit.MxJUnitRequest;
import com.oracle.mxtool.junit.MxJUnitWrapper;
import com.oracle.mxtool.junit.MxJUnitWrapper.MxJUnitConfig;
import com.oracle.svm.core.option.HostedOptionKey;
import com.oracle.svm.core.option.SubstrateOptionsParser;
import com.oracle.svm.core.util.VMError;
import junit.runner.Version;
public class SVMJUnitRunner {
public static class Options {
@Option(help = "")
public static final HostedOptionKey<String> TestFile = new HostedOptionKey<>("");
}
private final MxJUnitRequest request;
private final String missingClassesStr;
@Platforms(Platform.HOSTED_ONLY.class)
SVMJUnitRunner(FeatureAccess access) {
MxJUnitRequest.Builder builder = new MxJUnitRequest.Builder() {
@Override
protected Class<?> resolveClass(String name) throws ClassNotFoundException {
Class<?> ret = access.findClassByName(name);
if (ret == null) {
throw new ClassNotFoundException(name);
}
return ret;
}
};
try (BufferedReader br = new BufferedReader(new FileReader(Options.TestFile.getValue()))) {
String buf;
while ((buf = br.readLine()) != null) {
builder.addTestSpec(buf);
}
} catch (Exception ex) {
throw VMError.shouldNotReachHere(ex);
}
request = builder.build();
missingClassesStr = getMissingClasses();
if (missingClassesStr != null) {
String testFileOption = SubstrateOptionsParser.commandArgument(Options.TestFile, Options.TestFile.getValue());
StringBuilder msg = new StringBuilder("Warning: The test configuration file specified via ").append(testFileOption)
.append(" contains missing classes. Test execution will fail at run time. ")
.append("Missing classes in configuration file: ").append(missingClassesStr);
System.out.println(msg);
}
}
Request getJUnitRequest() {
return request.getRequest();
}
private String getMissingClasses() {
List<Failure> missingClasses = request.getMissingClasses();
if (missingClasses.size() > 0) {
StringBuilder missingClassesBuilder = new StringBuilder();
String delim = "";
for (Failure missingClass : missingClasses) {
missingClassesBuilder.append(delim).append(missingClass.getDescription().getDisplayName());
delim = ", ";
}
return missingClassesBuilder.toString();
}
return null;
}
private void run(String[] args) {
JUnitSystem system = new RealSystem();
JUnitCore junitCore = new JUnitCore();
system.out().println("SVMJUnitCore");
system.out().println("JUnit version " + Version.id());
MxJUnitConfig config = new MxJUnitConfig();
int i = 0;
while (i < args.length) {
String arg = args[i++];
switch (arg) {
case "--verbose":
config.verbose = true;
break;
case "--very-verbose":
config.veryVerbose = true;
break;
case "--fail-fast":
config.failFast = true;
break;
case "--enable-timing":
config.enableTiming = true;
break;
case "--color":
config.color = true;
break;
case "--gc-after-test":
config.gcAfterTest = true;
break;
case "--repeat":
if (i < args.length) {
String count = args[i++];
try {
config.repeatCount = Integer.valueOf(count);
} catch (NumberFormatException ex) {
system.out().println("Invalid argument to --repeat, expected number, but got " + count);
}
} else {
system.out().println("Missing argument to --repeat");
}
break;
case "--eager-stacktrace":
config.eagerStackTrace = true;
break;
default:
system.out().println("Unknown command line argument: " + arg);
break;
}
}
Result result = MxJUnitWrapper.runRequest(junitCore, system, config, request);
if (result.wasSuccessful()) {
system.out().println("Test run PASSED. Exiting with status 0.");
System.exit(0);
} else {
StringBuilder msg = new StringBuilder("Test run FAILED!");
if (missingClassesStr != null) {
msg.append(System.lineSeparator());
msg.append("Missing classes in configuration file: ").append(missingClassesStr);
msg.append(System.lineSeparator());
}
msg.append("Exiting with status 1.");
system.out().println(msg);
System.exit(1);
}
}
public static void main(String[] args) {
ImageSingletons.lookup(SVMJUnitRunner.class).run(args);
}
}