@@ -34,36 +34,36 @@ import static org.junit.Assert.fail;
public class LazyResourceCollectionTest { public class LazyResourceCollectionTest {
private class StringResourceCollection implements ResourceCollection { private class StringResourceCollection implements ResourceCollection {
List<StringResourceIterator> createdIterators = new ArrayList<>();
List<StringResourceIterator> createdIterators = new ArrayList<>();
@Override
@Override
public int size() { public int size() {
return 3;
return 3;
} }
@Override
@Override
public Iterator<Resource> iterator() { public Iterator<Resource> iterator() {
StringResourceIterator it = new StringResourceIterator(); StringResourceIterator it = new StringResourceIterator();
createdIterators.add(it); createdIterators.add(it);
return it; return it;
} }
@Override
@Override
public boolean isFilesystemOnly() { public boolean isFilesystemOnly() {
return false; return false;
} }
} }
private class StringResourceIterator implements Iterator<Resource> {
private class StringResourceIterator implements Iterator<Resource> {
int cursor = 0; int cursor = 0;
@Override
@Override
public void remove() { public void remove() {
throw new UnsupportedOperationException(); throw new UnsupportedOperationException();
} }
@Override
public StringResource next() {
@Override
public StringResource next() {
if (cursor < 3) { if (cursor < 3) {
cursor++; cursor++;
return new StringResource("r" + cursor); return new StringResource("r" + cursor);
@@ -71,7 +71,7 @@ public class LazyResourceCollectionTest {
return null; return null;
} }
@Override
@Override
public boolean hasNext() { public boolean hasNext() {
return cursor < 3; return cursor < 3;
} }
@@ -85,25 +85,25 @@ public class LazyResourceCollectionTest {
Iterator<Resource> it = lazyCollection.iterator(); Iterator<Resource> it = lazyCollection.iterator();
assertOneCreatedIterator(collectionTest); assertOneCreatedIterator(collectionTest);
StringResourceIterator stringResourceIterator =
collectionTest.createdIterators.get(0);
StringResourceIterator stringResourceIterator =
collectionTest.createdIterators.get(0);
assertEquals("A resource was loaded without iterating", 1, assertEquals("A resource was loaded without iterating", 1,
stringResourceIterator.cursor);
stringResourceIterator.cursor);
assertStringValue("r1", it.next());
assertStringValue("r1", it.next());
assertOneCreatedIterator(collectionTest); assertOneCreatedIterator(collectionTest);
assertEquals("Iterating once load more than 1 resource", 2, assertEquals("Iterating once load more than 1 resource", 2,
stringResourceIterator.cursor);
stringResourceIterator.cursor);
assertStringValue("r2", it.next());
assertStringValue("r2", it.next());
assertOneCreatedIterator(collectionTest); assertOneCreatedIterator(collectionTest);
assertEquals("Iterating twice load more than 2 resources", 3, assertEquals("Iterating twice load more than 2 resources", 3,
stringResourceIterator.cursor);
stringResourceIterator.cursor);
assertStringValue("r3", it.next());
assertStringValue("r3", it.next());
assertOneCreatedIterator(collectionTest); assertOneCreatedIterator(collectionTest);
assertEquals("Iterating 3 times load more than 3 resources", 3, assertEquals("Iterating 3 times load more than 3 resources", 3,
stringResourceIterator.cursor);
stringResourceIterator.cursor);
try { try {
it.next(); it.next();
@@ -131,37 +131,37 @@ public class LazyResourceCollectionTest {
Iterator<Resource> it2 = lazyCollection.iterator(); Iterator<Resource> it2 = lazyCollection.iterator();
assertOneCreatedIterator(collectionTest); assertOneCreatedIterator(collectionTest);
StringResourceIterator stringResourceIterator =
collectionTest.createdIterators.get(0);
StringResourceIterator stringResourceIterator =
collectionTest.createdIterators.get(0);
assertEquals("A resource was loaded without iterating", 1, assertEquals("A resource was loaded without iterating", 1,
stringResourceIterator.cursor);
stringResourceIterator.cursor);
assertStringValue("r1", it1.next());
assertStringValue("r1", it1.next());
assertEquals("Iterating once load more than 1 resource", 2, assertEquals("Iterating once load more than 1 resource", 2,
stringResourceIterator.cursor);
stringResourceIterator.cursor);
assertStringValue("r1", it2.next());
assertStringValue("r1", it2.next());
assertEquals( assertEquals(
"The second iterator did not lookup in the cache for a resource", 2,
stringResourceIterator.cursor);
"The second iterator did not lookup in the cache for a resource", 2,
stringResourceIterator.cursor);
assertStringValue("r2", it2.next());
assertStringValue("r2", it2.next());
assertEquals("Iterating twice load more than 2 resources", 3, assertEquals("Iterating twice load more than 2 resources", 3,
stringResourceIterator.cursor);
stringResourceIterator.cursor);
assertStringValue("r2", it1.next());
assertStringValue("r2", it1.next());
assertEquals( assertEquals(
"The first iterator did not lookup in the cache for a resource", 3,
stringResourceIterator.cursor);
"The first iterator did not lookup in the cache for a resource", 3,
stringResourceIterator.cursor);
assertStringValue("r3", it2.next());
assertStringValue("r3", it2.next());
assertEquals("Iterating 3 times load more than 3 resources", 3, assertEquals("Iterating 3 times load more than 3 resources", 3,
stringResourceIterator.cursor);
stringResourceIterator.cursor);
assertStringValue("r3", it1.next());
assertStringValue("r3", it1.next());
assertEquals( assertEquals(
"The first iterator did not lookup in the cache for a resource", 3,
stringResourceIterator.cursor);
"The first iterator did not lookup in the cache for a resource", 3,
stringResourceIterator.cursor);
try { try {
it1.next(); it1.next();
@@ -177,8 +177,8 @@ public class LazyResourceCollectionTest {
// ok // ok
} }
} }
private void assertStringValue(String expected, Resource r) {
assertEquals(expected, r.as(StringResource.class).getValue());
}
private void assertStringValue(String expected, Resource r) {
assertEquals(expected, r.as(StringResource.class).getValue());
}
} }
Stefan Bodewig