package junit.tests.runner;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintStream;
import junit.framework.TestCase;
import junit.framework.TestResult;
import junit.framework.TestSuite;
public class TextRunnerTest extends TestCase {
public void testFailure() throws Exception {
execTest("junit.tests.framework.Failure", false);
}
public void testSuccess() throws Exception {
execTest("junit.tests.framework.Success", true);
}
public void testError() throws Exception {
execTest("junit.tests.BogusDude", false);
}
void execTest(String testClass, boolean success) throws Exception {
String java = System.getProperty("java.home") + File.separator + "bin" + File.separator + "java";
String cp = System.getProperty("java.class.path");
//use -classpath for JDK 1.1.7 compatibility
String[] cmd = {java, "-classpath", cp, "junit.textui.TestRunner", testClass};
Process p = Runtime.getRuntime().exec(cmd);
InputStream i = p.getInputStream();
while ((i.read()) != -1)
; //System.out.write(b);
assertTrue((p.waitFor() == 0) == success);
if (success) {
assertTrue(p.exitValue() == 0);
} else {
assertFalse(p.exitValue() == 0);
}
}
public void testRunReturnsResult() {
PrintStream oldOut = System.out;
System.setOut(new PrintStream(
new OutputStream() {
@Override
public void write(int arg0) throws IOException {
}
}
));
try {
TestResult result = junit.textui.TestRunner.run(new TestSuite());
assertTrue(result.wasSuccessful());
} finally {
System.setOut(oldOut);
}
}
}