@Test
public void testAlertMultipleAssociations() {
Date d = new Date();
double lat = 10.0;
double lon = 10.0;
// Make a product with location and time
ProductSummary product = new ProductSummary();
product.setEventLatitude(new BigDecimal(lat));
product.setEventLongitude(new BigDecimal(lon));
product.setEventTime(d);
product.setId(new ProductId("us", "origin", "c0001234"));
product.setEventSource("us");
product.setEventSourceCode("c0001234");
// Make 3 events with similar locations and times
Event e1 =
createDifferentEvent(
new BigDecimal(lat + 0.1),
new BigDecimal(lon + 0.1),
new Date(d.getTime() + 10),
"us",
"origin",
"c0002222");
Event e2 =
createDifferentEvent(
new BigDecimal(lat - 0.5),
new BigDecimal(lon),
new Date(d.getTime() + 50),
"nc",
"origin",
"11112222");
Event e3 =
createDifferentEvent(
new BigDecimal(lat + 1), new BigDecimal(lon + 1), d, "ci", "origin", "aaaa2222");
Event e4 =
createDifferentEvent(
new BigDecimal(lat), new BigDecimal(lon), d, "uw", "origin", "00005555");
Event e5 =
createDifferentEvent(
new BigDecimal(lat), new BigDecimal(lon), d, "us", "origin", "00005555");
// Now add the events to a list, and find the most similar
List<Event> events = new ArrayList<Event>();
events.add(e1);
events.add(e2);
events.add(e3);
events.add(e4);
events.add(e5);
// Calculate which event is most similar to the product
DefaultAssociator associator = new DefaultAssociator();
Event mostSimilar = associator.chooseEvent(events, product);
Assert.assertEquals(e4, mostSimilar);
}
/**
* The DefaultAssociator will filter events that are from the same source as a summary if they
* have a different code.
*
* <p>This test exists to prevent a nullpointerexception regression.
*/
@Test
public void testChooseEventWithoutSummarySourceCode() {
ProductSummary summary = new ProductSummary();
List<Event> events = new LinkedList<Event>();
DefaultAssociator associator = new DefaultAssociator();
try {
Event event = associator.chooseEvent(events, summary);
Assert.assertNull("Returned event null", event);
} catch (NullPointerException npe) {
Assert.fail("NullPointerException thrown");
}
}
/**
* Test if the associator selects using the most important attribute first. That is, use eventId
* before location.
*
* <p>This test creates 2 events, A and B, and a summary X. A and B both have eventId and location
* information. B's location is closest to X's location, but A's eventId matches X's. The
* associator should choose A.
*/
@Test
public void testAssociationOrder() {
Date eventTime = new Date();
// Create the first event
ProductSummary eventSummaryA = new ProductSummary();
eventSummaryA.setId(new ProductId("productsource", "producttype", "productcode"));
eventSummaryA.setEventSource("source");
eventSummaryA.setEventSourceCode("code");
eventSummaryA.setEventLatitude(new BigDecimal("10.0"));
eventSummaryA.setEventLongitude(new BigDecimal("10.0"));
eventSummaryA.setEventTime(eventTime);
Event eventA = new Event();
eventA.addProduct(eventSummaryA);
// Create the second event
ProductSummary eventSummaryB = new ProductSummary();
eventSummaryB.setId(new ProductId("productsource", "producttype", "productcode"));
eventSummaryB.setEventSource("source2");
eventSummaryB.setEventSourceCode("code2");
eventSummaryB.setEventLatitude(new BigDecimal("0.0"));
eventSummaryB.setEventLongitude(new BigDecimal("0.0"));
eventSummaryB.setEventTime(eventTime);
Event eventB = new Event();
eventB.addProduct(eventSummaryB);
// Create the test summary
ProductSummary summaryX = new ProductSummary();
summaryX.setId(new ProductId("productsource", "producttype", "productcode"));
summaryX.setEventSource("source");
summaryX.setEventSourceCode("code");
summaryX.setEventLatitude(new BigDecimal("0.0"));
summaryX.setEventLongitude(new BigDecimal("0.0"));
summaryX.setEventTime(eventTime);
// Add the events to a list
List<Event> events = new LinkedList<Event>();
events.add(eventA);
events.add(eventB);
// Test to verify event A is chosen.
DefaultAssociator associator = new DefaultAssociator();
Event event = associator.chooseEvent(events, summaryX);
Assert.assertEquals("Event from same source with same code chosen", eventA, event);
}
/**
* When an event source submits data using the same code, they refer to the same event.
*
* <p>The associator shouldn't filter an event when it uses the same source and code (although it
* won't necessarily choose that event because it has the same source and code).
*/
@Test
public void testSameEventCodeFromSameSource() {
ProductSummary summary = new ProductSummary();
summary.setEventSource("source");
summary.setEventSourceCode("code");
// build event from same source, with same code
ProductSummary differentSummary = new ProductSummary();
differentSummary.setId(new ProductId("productsource", "producttype", "productcode"));
differentSummary.setEventSource("source");
differentSummary.setEventSourceCode("code");
Event sameEvent = new Event();
sameEvent.addProduct(differentSummary);
List<Event> events = new LinkedList<Event>();
events.add(sameEvent);
// test to verify event is chosen
DefaultAssociator associator = new DefaultAssociator();
Event event = associator.chooseEvent(events, summary);
Assert.assertEquals("Event from same source with same code chosen", sameEvent, event);
}
