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/*
* Copyright 2016-2017, Nokia Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.util;
import java.util.Base64;
import java.util.HashSet;
import java.util.Set;
import java.util.concurrent.atomic.AtomicBoolean;
import org.junit.Test;
import org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.NokiaSvnfmApplication;
import org.onap.vfc.nfvo.driver.vnfm.svnfm.nokia.vnfm.Useless;
import org.springframework.boot.SpringApplication;
import static org.junit.Assert.*;
public class TestSystemFunctions {
/**
* test sleep
*/
@Test
public void testSleep() throws Exception {
long start = System.currentTimeMillis();
SystemFunctions.systemFunctions().sleep(123);
long end = System.currentTimeMillis();
assertTrue(end - start >= 123);
}
/**
* test interrupted sleep
*/
@Test
@SuppressWarnings("squid:S2925") //testing asynchronous execution
public void testInterruptedSleep() throws Exception {
AtomicBoolean entered = new AtomicBoolean(false);
long start = System.currentTimeMillis();
Set<RuntimeException> exceptions = new HashSet<>();
class Inter extends Thread {
@Override
public void run() {
try {
entered.set(true);
SystemFunctions.systemFunctions().sleep(1000000);
} catch (RuntimeException e) {
exceptions.add(e);
throw e;
}
}
}
Inter inter = new Inter();
inter.start();
//wait for thread to enter waiting
while (!entered.get() && inter.getState() != Thread.State.TIMED_WAITING && (System.currentTimeMillis() < start + 60 * 1000)) {
Thread.sleep(10);
}
if (!(System.currentTimeMillis() < start + 60 * 1000)) {
throw new RuntimeException("Thread did not enter waiting state");
}
//when
inter.interrupt();
//verify
while (exceptions.size() != 1 && (System.currentTimeMillis() < start + 60 * 1000)) {
Thread.sleep(10);
}
assertEquals(1, exceptions.size());
assertEquals("Interrupted while sleeping", exceptions.iterator().next().getMessage());
}
/**
* test current time
*/
@Test
public void testCurrentTime() {
long now = System.currentTimeMillis();
long now2 = SystemFunctions.systemFunctions().currentTimeMillis();
assertTrue(Math.abs(now2 - now) < 1000);
}
/**
* test file load
*/
@Test
public void testFileLoad() {
byte[] bytes = SystemFunctions.systemFunctions().loadFile("unittests/empty.zip");
assertEquals("UEsFBgAAAAAAAAAAAAAAAAAAAAAAAA==", Base64.getEncoder().encodeToString(bytes));
}
/**
* missing file results in error
*/
@Test
public void testMissingFileLoad() {
try {
SystemFunctions.systemFunctions().loadFile("unittests/missing");
fail();
} catch (Exception e) {
assertEquals("Unable to load unittests/missing", e.getMessage());
}
}
/**
* Test standard stream wrapping
*/
@Test
public void testStandardStreams() {
assertEquals(System.err, SystemFunctions.systemFunctions().err());
assertEquals(System.out, SystemFunctions.systemFunctions().out());
assertEquals(System.in, SystemFunctions.systemFunctions().in());
}
/**
* Test HTTP client wrapping
*/
@Test
@Useless //more less already ensured by Java type safety
public void testHttp() {
assertNotNull(SystemFunctions.systemFunctions().getHttpClient());
}
/**
* Test spring application wrapping
*/
@Test
public void testSpring() {
SpringApplication springApplication = SystemFunctions.systemFunctions().newSpringApplication(NokiaSvnfmApplication.class);
assertEquals(1, springApplication.getAllSources().size());
}
}
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