@Test
public void canFollowLogfile() throws IOException {
File tempFile =
File.createTempFile("commons-io", "", new File(System.getProperty("java.io.tmpdir")));
tempFile.deleteOnExit();
System.out.println("Temp file = " + tempFile.getAbsolutePath());
PrintStream log = new PrintStream(tempFile);
LogfileFollower follower = new LogfileFollower(tempFile);
List<String> lines;
// Empty file:
lines = follower.newLines();
assertEquals(0, lines.size());
// Write two lines:
log.println("Line 1");
log.println("Line 2");
lines = follower.newLines();
assertEquals(2, lines.size());
assertEquals("Line 2", lines.get(1));
// Write one more line:
log.println("Line 3");
lines = follower.newLines();
assertEquals(1, lines.size());
assertEquals("Line 3", lines.get(0));
// Write one and a half line and finish later:
log.println("Line 4");
log.print("Line 5 begin");
lines = follower.newLines();
assertEquals(1, lines.size());
// End last line and start a new one:
log.println(" end");
log.print("Line 6 begin");
lines = follower.newLines();
assertEquals(1, lines.size());
assertEquals("Line 5 begin end", lines.get(0));
// End last line:
log.println(" end");
lines = follower.newLines();
assertEquals(1, lines.size());
assertEquals("Line 6 begin end", lines.get(0));
// A line only missing a newline:
log.print("Line 7");
lines = follower.newLines();
assertEquals(0, lines.size());
log.println();
lines = follower.newLines();
assertEquals(1, lines.size());
assertEquals("Line 7", lines.get(0));
// Delete:
log.close();
lines = follower.newLines();
assertEquals(0, lines.size());
}
@Test
public void postComments() {
// Create a new user and save it
User bob = new User("*****@*****.**", "secret", "Bob").save();
// Create a new post
Post bobPost = new Post(bob, "My first post", "Hello world").save();
// Post a first comment
new Comment(bobPost, "Jeff", "Nice Post").save();
new Comment(bobPost, "Tom", "I knew that !").save();
// Retrieve all comments
List<Comment> bobPostComments = Comment.find("byPost", bobPost).fetch();
// Tests
assertEquals(2, bobPostComments.size());
Comment firstComment = bobPostComments.get(0);
assertNotNull(firstComment);
assertEquals("Jeff", firstComment.author);
assertEquals("Nice Post", firstComment.content);
assertNotNull(firstComment.postedAt);
Comment secondComment = bobPostComments.get(1);
assertNotNull(secondComment);
assertEquals("Tom", secondComment.author);
assertEquals("I knew that !", secondComment.content);
assertNotNull(secondComment.postedAt);
}
private void doControlTask() throws IOException, ClassNotFoundException {
BlockingTaskSummaryResponseHandler handler = new BlockingTaskSummaryResponseHandler();
client.getTasksAssignedAsPotentialOwner("control", "en-UK", handler);
List<TaskSummary> sums = handler.getResults();
assertNotNull(sums);
assertEquals(1, sums.size());
BlockingTaskOperationResponseHandler startTaskOperationHandler =
new BlockingTaskOperationResponseHandler();
client.start(sums.get(0).getId(), "control", startTaskOperationHandler);
BlockingGetTaskResponseHandler getTaskHandler = new BlockingGetTaskResponseHandler();
client.getTask(sums.get(0).getId(), getTaskHandler);
Task controlTask = getTaskHandler.getTask();
BlockingGetContentResponseHandler getContentHandler = new BlockingGetContentResponseHandler();
client.getContent(controlTask.getTaskData().getDocumentContentId(), getContentHandler);
Content content = getContentHandler.getContent();
assertNotNull(content);
ByteArrayInputStream bais = new ByteArrayInputStream(content.getContent());
ObjectInputStream ois = new ObjectInputStream(bais);
Map<String, Object> deserializedContent = (Map<String, Object>) ois.readObject();
Emergency retrivedEmergency = (Emergency) deserializedContent.get("emergency");
assertNotNull(retrivedEmergency);
ActivePatients retrivedActivePatients =
(ActivePatients) deserializedContent.get("activePatients");
assertNotNull(retrivedActivePatients);
assertEquals(1, retrivedActivePatients.size());
SuggestedProcedures retrivedSuggestedProcedures =
(SuggestedProcedures) deserializedContent.get("suggestedProcedures");
assertNotNull(retrivedSuggestedProcedures);
assertEquals(
"[DefaultHeartAttackProcedure: ]",
retrivedSuggestedProcedures.getSuggestedProceduresString());
Map<String, Object> info = new HashMap<String, Object>();
SelectedProcedures selectedProcedures = new SelectedProcedures(retrivedEmergency.getId());
selectedProcedures.addSelectedProcedureName("DefaultHeartAttackProcedure");
info.put("selectedProcedures", selectedProcedures);
ContentData result = new ContentData();
result.setAccessType(AccessType.Inline);
result.setType("java.util.Map");
ByteArrayOutputStream bos = new ByteArrayOutputStream();
ObjectOutputStream out = new ObjectOutputStream(bos);
out.writeObject(info);
out.close();
result.setContent(bos.toByteArray());
BlockingTaskOperationResponseHandler completeTaskOperationHandler =
new BlockingTaskOperationResponseHandler();
client.complete(sums.get(0).getId(), "control", result, completeTaskOperationHandler);
}
private void assertResultFromTextFileParsing(List<String[]> result) {
assertEquals(2, result.size());
String[] line1 = result.get(0);
assertEquals(1, line1.length);
assertEquals("line1", line1[0]);
String[] line2 = result.get(1);
assertEquals(2, line2.length);
assertEquals("another", line2[0]);
assertEquals("line", line2[1]);
}
private void doOperatorTask() throws ClassNotFoundException, IOException {
BlockingTaskSummaryResponseHandler handler = new BlockingTaskSummaryResponseHandler();
client.getTasksAssignedAsPotentialOwner("operator", "en-UK", handler);
List<TaskSummary> sums = handler.getResults();
assertNotNull(sums);
assertEquals(1, sums.size());
BlockingTaskOperationResponseHandler startTaskOperationHandler =
new BlockingTaskOperationResponseHandler();
client.start(sums.get(0).getId(), "operator", startTaskOperationHandler);
BlockingGetTaskResponseHandler getTaskHandler = new BlockingGetTaskResponseHandler();
client.getTask(sums.get(0).getId(), getTaskHandler);
Task operatorTask = getTaskHandler.getTask();
BlockingGetContentResponseHandler getContentHandler = new BlockingGetContentResponseHandler();
client.getContent(operatorTask.getTaskData().getDocumentContentId(), getContentHandler);
Content content = getContentHandler.getContent();
assertNotNull(content);
ByteArrayInputStream bais = new ByteArrayInputStream(content.getContent());
ObjectInputStream ois = new ObjectInputStream(bais);
Map<String, Object> deserializedContent = (Map<String, Object>) ois.readObject();
Call restoredCall = (Call) deserializedContent.get("call");
persistenceService.storeCall(restoredCall);
Emergency emergency = new Emergency();
emergency.setCall(restoredCall);
emergency.setLocation(new Location(1, 2));
emergency.setType(Emergency.EmergencyType.HEART_ATTACK);
emergency.setNroOfPeople(1);
persistenceService.storeEmergency(emergency);
trackingService.attachEmergency(restoredCall.getId(), emergency.getId());
Map<String, Object> info = new HashMap<String, Object>();
info.put("emergency", emergency);
ContentData result = new ContentData();
result.setAccessType(AccessType.Inline);
result.setType("java.util.Map");
ByteArrayOutputStream bos = new ByteArrayOutputStream();
ObjectOutputStream out = new ObjectOutputStream(bos);
out.writeObject(info);
out.close();
result.setContent(bos.toByteArray());
BlockingTaskOperationResponseHandler completeTaskOperationHandler =
new BlockingTaskOperationResponseHandler();
client.complete(sums.get(0).getId(), "operator", result, completeTaskOperationHandler);
}
@Test
public void testGetAllPartitionKeys() throws Exception {
CloudTableClient tableClient = createTableClient();
assumeNotNull(tableClient);
t = createTable(tableClient);
insertRow(t, "p1", "r1");
insertRow(t, "p1", "r2");
insertRow(t, "p2", "r1");
insertRow(t, "p3", "r1");
List<String> partitionKeys = DefaultTablePartitioner.getAllPartitionKeys(t);
assertEquals(3, partitionKeys.size());
assertEquals("p1", partitionKeys.get(0));
assertEquals("p2", partitionKeys.get(1));
assertEquals("p3", partitionKeys.get(2));
}
@Test
public void testParameterToPairsWhenValueIsCollection() throws Exception {
Map<String, String> collectionFormatMap = new HashMap<String, String>();
collectionFormatMap.put("csv", ",");
collectionFormatMap.put("tsv", "\t");
collectionFormatMap.put("ssv", " ");
collectionFormatMap.put("pipes", "\\|");
collectionFormatMap.put("", ","); // no format, must default to csv
collectionFormatMap.put("unknown", ","); // all other formats, must default to csv
String name = "param-a";
List<Object> values = new ArrayList<Object>();
values.add("value-a");
values.add(123);
values.add(new Date());
// check for multi separately
List<Pair> multiPairs = apiClient.parameterToPairs("multi", name, values);
assertEquals(values.size(), multiPairs.size());
// all other formats
for (String collectionFormat : collectionFormatMap.keySet()) {
List<Pair> pairs = apiClient.parameterToPairs(collectionFormat, name, values);
assertEquals(1, pairs.size());
String delimiter = collectionFormatMap.get(collectionFormat);
String[] pairValueSplit = pairs.get(0).getValue().split(delimiter);
// must equal input values
assertEquals(values.size(), pairValueSplit.length);
}
}
@Test // Uses of JMockit API: 8
public void useArgumentMatchers() {
new Expectations() {
{
// Using built-in matchers:
mockedList.get(anyInt);
result = "element";
// Using Hamcrest matchers:
mockedList.get(withArgThat(is(equalTo(5))));
result = new IllegalArgumentException();
minTimes = 0;
mockedList.contains(withArgThat(hasProperty("bytes")));
result = true;
mockedList.containsAll(withArgThat(hasSize(2)));
result = true;
}
};
assertEquals("element", mockedList.get(999));
assertTrue(mockedList.contains("abc"));
assertTrue(mockedList.containsAll(asList("a", "b")));
new Verifications() {
{
mockedList.get(anyInt);
}
};
}
@Test // Uses of JMockit API: 3
public void returningElementsFromAList() {
final List<String> list = asList("a", "b", "c");
new Expectations() {
{
mockedList.get(anyInt);
result = list;
}
};
assertEquals("a", mockedList.get(0));
assertEquals("b", mockedList.get(1));
assertEquals("c", mockedList.get(2));
assertEquals("c", mockedList.get(3));
}
@Before
public void setup() {
for (int customerId = 1; customerId <= 5; customerId++) {
ProcessInstance pi =
sf.getWorkflowService()
.startProcess(new QName(MODEL_NAME2, "OrderCreation").toString(), null, true);
List<ActivityInstance> w = getWorklist();
Assert.assertEquals("worklist", 1, w.size());
ActivityInstance ai = w.get(0);
Assert.assertEquals("process instance", pi.getOID(), ai.getProcessInstanceOID());
Assert.assertEquals("activity instance", "EnterOrderData", ai.getActivity().getId());
Map<String, Object> order = CollectionUtils.newMap();
order.put("date", new Date());
order.put("customerId", customerId);
ai =
complete(
ai, PredefinedConstants.DEFAULT_CONTEXT, Collections.singletonMap("Order", order));
try {
ProcessInstanceStateBarrier.instance().await(pi.getOID(), ProcessInstanceState.Completed);
} catch (Exception e) {
}
w = getWorklist();
}
}
@Test
public void findRepostByAccounts_String_複数_降順_00() {
List<RepostBase> lst =
RepostBase.findRepostByAccounts("usr-goro", "usr-jiro")
.orderBy(RepostBase.OrderBy.DATE_OF_REPOST_DESC)
.fetch();
assertThat(lst.size(), is(24));
assertThat(lst.get(0).contributor.loginUser.screenName, is("goro_san"));
}
@Test
@SuppressWarnings("unchecked")
public void parse_object() throws IOException {
List<Object> members =
(List<Object>) parser.parse(resources.sourceFile(Paths.get("_data", "members.yml")));
assertThat(members).hasSize(3);
assertThat((Map<String, Object>) members.get(0))
.containsExactly(entry("name", "Tom Preston-Werner"), entry("github", "mojombo"));
}
@Test
public void testParameterToPairsWhenValueIsNotCollection() throws Exception {
String name = "param-a";
Integer value = 1;
List<Pair> pairs = apiClient.parameterToPairs("csv", name, value);
assertEquals(1, pairs.size());
assertEquals(value, Integer.valueOf(pairs.get(0).getValue()));
}
// -------------------------------------+
@Test
public void findRepostByAccounts_Entity_単数_降順_00() {
Account acnt1 = Account.findByLoginName("goro_san").first();
List<RepostBase> lst =
RepostBase.findRepostByAccounts(acnt1)
.orderBy(RepostBase.OrderBy.DATE_OF_REPOST_DESC)
.fetch();
assertThat(lst.size(), is(17));
assertThat(lst.get(0).contributor.loginUser.screenName, is("goro_san"));
}
@Test
public void findRepostByTweets_String_複数_投稿者_降順_00() {
Account acnt = Account.findByLoginName("goro_san").first();
List<RepostBase> lst =
RepostBase.findRepostByTweets("twt-goro2", "twt-jiro1")
.contributor(acnt)
.orderBy(RepostBase.OrderBy.DATE_OF_REPOST_DESC)
.fetch();
assertThat(lst.size(), is(5));
assertThat(lst.get(0).getItem().serialCode, is("twt-jiro1"));
}
@Test
public void findRepostByCategories_String_複数_投稿者_降順_00() {
Account acnt = Account.findByLoginName("goro_san").first();
List<RepostBase> lst =
RepostBase.findRepostByCategories("cat-biz", "cat-enta")
.contributor(acnt)
.orderBy(RepostBase.OrderBy.DATE_OF_REPOST_DESC)
.fetch();
assertThat(lst.size(), is(3));
assertThat(lst.get(0).getLabel().serialCode, is("cat-biz"));
}
@Test
public void testCollectToList() {
Observable<List<Integer>> o =
Observable.just(1, 2, 3).collect(ArrayList::new, (list, v) -> list.add(v));
List<Integer> list = o.toBlocking().last();
assertEquals(3, list.size());
assertEquals(1, list.get(0).intValue());
assertEquals(2, list.get(1).intValue());
assertEquals(3, list.get(2).intValue());
// test multiple subscribe
List<Integer> list2 = o.toBlocking().last();
assertEquals(3, list2.size());
assertEquals(1, list2.get(0).intValue());
assertEquals(2, list2.get(1).intValue());
assertEquals(3, list2.get(2).intValue());
}
@Test
public void findRepostByTags_String_複数_投稿者_降順_00() {
Account acnt = Account.findByLoginName("goro_san").first();
List<RepostBase> lst =
RepostBase.findRepostByTags("tag-goro-red", "tag-jiro-hello")
.contributor(acnt)
.orderBy(RepostBase.OrderBy.DATE_OF_REPOST_DESC)
.fetch();
assertThat(lst.size(), is(3));
assertThat(lst.get(0).getLabel().serialCode, is("tag-goro-red"));
}
private void doGarageTask() {
BlockingTaskSummaryResponseHandler handler = new BlockingTaskSummaryResponseHandler();
client.getTasksAssignedAsPotentialOwner("garage_emergency_service", "en-UK", handler);
List<TaskSummary> sums = handler.getResults();
assertNotNull(sums);
assertEquals(1, sums.size());
BlockingTaskOperationResponseHandler startTaskOperationHandler =
new BlockingTaskOperationResponseHandler();
client.start(sums.get(0).getId(), "garage_emergency_service", startTaskOperationHandler);
}
// -------------------------------------+
@Test
public void findRepostByUsers_Entity_単数_投稿者_降順_00() {
User usr1 = User.findBySerialCode("usr-goro").first();
Account acnt = Account.findByLoginName("goro_san").first();
List<RepostBase> lst =
RepostBase.findRepostByUsers(usr1)
.contributor(acnt)
.orderBy(RepostBase.OrderBy.DATE_OF_REPOST_DESC)
.fetch();
assertThat(lst.size(), is(2));
assertThat(lst.get(0).getItem().serialCode, is("usr-goro"));
}
@Test
public void receiveAnOrder() throws Exception {
when(request.getMethod()).thenReturn("POST");
when(request.getRequestURI()).thenReturn("/orders");
when(request.getParameter("order_code")).thenReturn("1234");
when(request.getParameter("article_code")).thenReturn("ABCD");
when(request.getParameter("address")).thenReturn("Some Place");
ordersController.service();
assertEquals(1, orders.size());
assertEquals(new Order("1234", "ABCD", "Some Place"), orders.get(0));
}
@Ignore // don't care for any reordering
@Test(timeout = 10000)
public void flatMapRangeAsyncLoop() {
for (int i = 0; i < 2000; i++) {
if (i % 10 == 0) {
System.out.println("flatMapRangeAsyncLoop > " + i);
}
TestSubscriber<Integer> ts = new TestSubscriber<Integer>();
Observable.range(0, 1000)
.flatMap(
new Func1<Integer, Observable<Integer>>() {
@Override
public Observable<Integer> call(Integer t) {
return Observable.just(t);
}
})
.observeOn(Schedulers.computation())
.subscribe(ts);
ts.awaitTerminalEvent(2500, TimeUnit.MILLISECONDS);
if (ts.getOnCompletedEvents().isEmpty()) {
System.out.println(ts.getOnNextEvents().size());
}
ts.assertTerminalEvent();
ts.assertNoErrors();
List<Integer> list = ts.getOnNextEvents();
assertEquals(1000, list.size());
boolean f = false;
for (int j = 0; j < list.size(); j++) {
if (list.get(j) != j) {
System.out.println(j + " " + list.get(j));
f = true;
}
}
if (f) {
Assert.fail("Results are out of order!");
}
}
}
@Test // Uses of JMockit API: 3
public void stubAndVerifyInvocationWithoutRepeatingItInExpectationAndVerificationBlocks() {
new Expectations() {
{
// Notice that this can't be done in Mockito, which requires the repetition of
// "mockedList.get(0);" in the verification phase.
mockedList.get(0);
result = "first";
times = 1;
}
};
assertEquals("first", mockedList.get(0));
}
/**
* Execute a query contained in the given named file. This methods tries to find the given file
* within the directory src/test/resources/results/<i>ClassName</i>.
*
* @param queryFileName The file name to be used to execute a query.
* @return ResultSet of query execution.
*/
public ResultSet executeFile(String queryFileName) throws Exception {
Path queryFilePath = getQueryFilePath(queryFileName);
FileSystem fs = currentQueryPath.getFileSystem(testBase.getTestingCluster().getConfiguration());
assertTrue(queryFilePath.toString() + " existence check", fs.exists(queryFilePath));
List<ParsedResult> parsedResults =
SimpleParser.parseScript(FileUtil.readTextFile(new File(queryFilePath.toUri())));
if (parsedResults.size() > 1) {
assertNotNull("This script \"" + queryFileName + "\" includes two or more queries");
}
ResultSet result = client.executeQueryAndGetResult(parsedResults.get(0).getStatement());
assertNotNull("Query succeeded test", result);
return result;
}
@Test
public void createTransactionReturnsOk() {
// create "cars" transaction
Response response =
client
.path("/transactionservice/transaction/10")
.request()
.put(Entity.json(new Transaction("cars", new BigDecimal(5000), 0l)));
assertEquals(200, response.getStatus());
assertEquals(
TransactionService.OperationResult.OK,
response.readEntity(TransactionService.OperationResult.class));
// create "shopping" transaction
response =
client
.path("/transactionservice/transaction/11")
.request()
.put(Entity.json(new Transaction("shopping", new BigDecimal(10000), 10l)));
assertEquals(200, response.getStatus());
assertEquals(
TransactionService.OperationResult.OK,
response.readEntity(TransactionService.OperationResult.class));
// get "cars" transactions
response = client.path("/transactionservice/type/cars").request().get();
assertEquals(200, response.getStatus());
@SuppressWarnings("unchecked")
List<Integer> ids = response.readEntity(List.class);
assertEquals(1, ids.size());
assertEquals(10, ids.get(0).intValue());
// get "sum" for transaction 10
response = client.path("/transactionservice/sum/10").request().get();
assertEquals(200, response.getStatus());
AggregatorService.Sum sum = response.readEntity(AggregatorService.Sum.class);
assertEquals(15000, sum.getSum().intValue());
// get "sum" for transaction 11
response = client.path("/transactionservice/sum/11").request().get();
assertEquals(200, response.getStatus());
sum = response.readEntity(AggregatorService.Sum.class);
assertEquals(10000, sum.getSum().intValue());
}
@Test // Uses of JMockit API: 3
public void stubAndVerifyInvocation() {
// A recorded expectation is expected to occur at least once, by default.
new Expectations() {
{
mockedList.get(0);
result = "first";
}
};
assertEquals("first", mockedList.get(0));
// Note that verifying a stubbed invocation isn't "just redundant" if the test cares that the
// invocation occurs at least once. If this is the case, then it's not safe to expect the test
// to break without an explicit verification, because the method under test may never call the
// stubbed one, and that would be a bug that the test should detect.
}
@Test
public void testParameterToPairsWhenValueIsEmptyStrings() throws Exception {
// single empty string
List<Pair> pairs = apiClient.parameterToPairs("csv", "param-a", " ");
assertEquals(1, pairs.size());
// list of empty strings
List<String> strs = new ArrayList<String>();
strs.add(" ");
strs.add(" ");
strs.add(" ");
List<Pair> concatStrings = apiClient.parameterToPairs("csv", "param-a", strs);
assertEquals(1, concatStrings.size());
assertFalse(concatStrings.get(0).getValue().isEmpty()); // should contain some delimiters
}
@Test
public void reads_a_list_of_entries() throws Exception {
ZipContents zipContents = new ZipContents(new File("./src/test/resource/test.zip"));
try {
zipContents.open();
List<ZipContentsEntry> entries = zipContents.entries();
assertThat(entries.size(), is(6));
ZipContentsEntry firstEntry = entries.get(0);
assertThat(firstEntry.directory(), is("/"));
assertThat(firstEntry.name(), is("file_1.txt"));
assertThat(firstEntry.type(), is("txt"));
} finally {
zipContents.close();
}
}
@Test
public void testInventory() throws IOException, ClassNotFoundException {
inv.addToInventory(k1);
inv.addToInventory(c2);
inv.addToInventory(c3);
inv.addToInventory(w4);
inv.addToInventory(w5);
inv.addToInventory(a1);
inv.addToInventory(a2);
inv.addToInventory(a3);
inv.addToInventory(a4);
inv.addToInventory(a5);
enemyList.add(mazer);
// enemyList.add(plucifer);
enemyList.add(bullies);
fOut = new FileOutputStream("game.dat");
ObjectOutputStream serializer = new ObjectOutputStream(fOut);
serializer.writeObject(inv);
serializer.writeObject(enemyList);
serializer.flush();
inv = null;
enemyList = null;
fIn = new FileInputStream("game.dat");
ObjectInputStream deserializer = new ObjectInputStream(fIn);
inv = (Inventory) deserializer.readObject();
enemyList = (List<Enemy>) deserializer.readObject();
for (int i = 0; i < 10; i++) {
player.getPlayerInventory().useItem();
}
enemyList.get(0).fight(player);
enemyList.get(1).fight(player);
// enemyList.get(2).fight(player);
System.out.println("You have disengaged from combat.");
System.out.println("Player score is now " + player.getPlayerScore());
System.out.println("Player HP is " + player.getPlayerCurrentHP());
}
@Test
public void testTopologicalSort() {
final Set<Object> nodes = new HashSet<Object>();
final Object centerNode = "centerNode";
nodes.add(centerNode);
final Object topNode = "topNode";
nodes.add(topNode);
final Object leftNode = "leftNode";
nodes.add(leftNode);
final Object leftiestNode = "leftiestNode";
nodes.add(leftiestNode);
final Object rightNode = "rightNode";
nodes.add(rightNode);
final Set<DirectedEdge<Object>> edges = new HashSet<DirectedEdge<Object>>();
final DirectedEdge<Object> centerTopEdge =
new ImmutableDirectedEdge<Object>(centerNode, topNode);
edges.add(centerTopEdge);
final DirectedEdge<Object> centerLeftEdge =
new ImmutableDirectedEdge<Object>(centerNode, leftNode);
edges.add(centerLeftEdge);
final DirectedEdge<Object> leftLeftiestEdge =
new ImmutableDirectedEdge<Object>(leftNode, leftiestNode);
edges.add(leftLeftiestEdge);
final DirectedEdge<Object> centerRightEdge =
new ImmutableDirectedEdge<Object>(centerNode, rightNode);
edges.add(centerRightEdge);
final BidirectedGraph<Object, DirectedEdge<Object>> graph =
new ImmutableDirectedAdjacencyGraph<Object, DirectedEdge<Object>>(nodes, edges);
final TopologicalSorter<Object> sorter = new SimpleTopologicalRanker<Object>();
final List<Object> sortedNodes = sorter.sort(graph);
Assert.assertTrue("center node is not the first node!", sortedNodes.get(0) == centerNode);
Assert.assertTrue(
"left node is not before leftiest node!",
sortedNodes.indexOf(leftNode) < sortedNodes.indexOf(leftiestNode));
}