/**
* Tests sampling with different probabilities. This method has a change of false positives but
* with <code>PROBABILISTIC_TRIES</code> number of tries the probability should be small.
*/
public void testSampleProbabilistic() throws Exception {
MockedCertificateSamplerCustomPublisher publisher;
boolean success;
// Test that with p=0.0 no certificate is stored
Properties default0 = new Properties();
default0.setProperty("outputfolder", TEMP_DIR.getAbsolutePath());
default0.setProperty("default.samplingmethod", "SAMPLE_PROBABILISTIC");
default0.setProperty("default.pvalue", "0.0");
for (int i = 0; i < PROBABILISTIC_TRIES; i++) {
publisher = createMockedPublisher(default0);
success = storeCertificate(publisher, SecConst.CERT_ACTIVE, ANY_PROFILEID);
assertTrue("Status should be success", success);
assertFalse(
"Certificate should not have been stored, i=" + i, publisher.isWriteCertificateCalled());
}
// Test that with pvalue=1.0 all certificates are stored
Properties default1 = new Properties();
default1.setProperty("outputfolder", TEMP_DIR.getAbsolutePath());
default1.setProperty("default.samplingmethod", "SAMPLE_PROBABILISTIC");
default1.setProperty("default.pvalue", "1.0");
for (int i = 0; i < PROBABILISTIC_TRIES; i++) {
publisher = createMockedPublisher(default1);
success = storeCertificate(publisher, SecConst.CERT_ACTIVE, ANY_PROFILEID);
assertTrue("Status should be success", success);
assertTrue(
"Certificate should have been stored, i=" + i, publisher.isWriteCertificateCalled());
publisher.reset();
}
// Test that with pvalue=0.5 at least some certificates are stored
Properties default05 = new Properties();
default05.setProperty("outputfolder", TEMP_DIR.getAbsolutePath());
default05.setProperty("default.samplingmethod", "SAMPLE_PROBABILISTIC");
default05.setProperty("default.pvalue", "0.5");
int stored = 0;
for (int i = 0; i < PROBABILISTIC_TRIES; i++) {
publisher = createMockedPublisher(default05);
success = storeCertificate(publisher, SecConst.CERT_ACTIVE, ANY_PROFILEID);
assertTrue("Status should be success", success);
if (publisher.isWriteCertificateCalled()) {
stored++;
}
publisher.reset();
}
assertTrue("At least some should have been stored", stored > 0);
}
