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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package ai.vespa.feed.client;
import org.junit.jupiter.api.Assertions;
import org.junit.jupiter.api.Test;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.StandardOpenOption;
import java.util.Arrays;
import java.util.Collection;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicReference;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
import static java.nio.charset.StandardCharsets.UTF_8;
import static java.util.stream.Collectors.joining;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;
class JsonFeederTest {
@Test
void test() throws IOException {
int docs = 1 << 14;
String json = "[\n" +
IntStream.range(0, docs).mapToObj(i ->
" {\n" +
" \"id\": \"id:ns:type::abc" + i + "\",\n" +
" \"fields\": {\n" +
" \"lul\":\"lal\"\n" +
" }\n" +
" },\n"
).collect(joining()) +
" {\n" +
" \"id\": \"id:ns:type::abc" + docs + "\",\n" +
" \"fields\": {\n" +
" \"lul\":\"lal\"\n" +
" }\n" +
" }\n" +
"]";
AtomicReference<FeedException> exceptionThrow = new AtomicReference<>();
Path tmpFile = Files.createTempFile(null, null);
Files.write(tmpFile, json.getBytes(UTF_8));
try (InputStream in = Files.newInputStream(tmpFile, StandardOpenOption.READ, StandardOpenOption.DELETE_ON_CLOSE)) {
AtomicInteger resultsReceived = new AtomicInteger();
AtomicBoolean completedSuccessfully = new AtomicBoolean();
long startNanos = System.nanoTime();
MockClient feedClient = new MockClient();
JsonFeeder.builder(feedClient).build()
.feedMany(in, 1 << 10,
new JsonFeeder.ResultCallback() {
@Override
public void onNextResult(Result result, FeedException error) { resultsReceived.incrementAndGet(); }
@Override
public void onError(FeedException error) { exceptionThrow.set(error); }
@Override
public void onComplete() { completedSuccessfully.set(true); }
})
.join();
System.err.println((json.length() / 1048576.0) + " MB in " + (System.nanoTime() - startNanos) * 1e-9 + " seconds");
assertEquals(docs + 1, feedClient.putOperations.size());
assertEquals(docs + 1, resultsReceived.get());
assertTrue(completedSuccessfully.get());
assertNull(exceptionThrow.get());
}
}
@Test
public void multipleJsonArrayOperationsAreDispatchedToFeedClient() throws IOException, ExecutionException, InterruptedException {
MockClient client = new MockClient();
try (JsonFeeder feeder = JsonFeeder.builder(client).build()) {
String json = "[{" +
" \"put\": \"id:ns:type::abc1\",\n" +
" \"fields\": {\n" +
" \"lul\":\"lal\"\n" +
" }\n" +
"},\n" +
"{" +
" \"put\": \"id:ns:type::abc2\",\n" +
" \"fields\": {\n" +
" \"lul\":\"lal\"\n" +
" }\n" +
"}]\n";
feeder.feedMany(new ByteArrayInputStream(json.getBytes(UTF_8))).get();
client.assertPutDocumentIds("abc1", "abc2");
client.assertPutOperation("abc1", "{\"fields\":{\n \"lul\":\"lal\"\n }}");
client.assertPutOperation("abc2", "{\"fields\":{\n \"lul\":\"lal\"\n }}");
}
}
@Test
public void multipleJsonLOperationsAreDispatchedToFeedClient() throws IOException, ExecutionException, InterruptedException {
MockClient client = new MockClient();
try (JsonFeeder feeder = JsonFeeder.builder(client).build()) {
String json = "{\n" +
" \"remove\": \"id:ns:type::abc1\"\n" +
"}\n" +
"{\n" +
" \"fields\": {\n" +
" \"lul\": { \"assign\": \"lal\" }\n" +
" },\n" +
" \"update\": \"id:ns:type::abc2\"\n" +
"}\n" +
"{\n" +
" \"put\": \"id:ns:type::abc3\",\n" +
" \"fields\": {\n" +
" \"lul\": \"lal\"\n" +
" }\n" +
"}\n";
feeder.feedMany(new ByteArrayInputStream(json.getBytes(UTF_8)),
3, // Mini-buffer, which needs to expand.
new JsonFeeder.ResultCallback() { })
.get();
client.assertRemoveDocumentIds("abc1");
client.assertUpdateDocumentIds("abc2");
client.assertUpdateOperation("abc2", "{\"fields\":{\n \"lul\": { \"assign\": \"lal\" }\n }}");
client.assertPutDocumentIds("abc3");
client.assertPutOperation("abc3", "{\"fields\":{\n \"lul\": \"lal\"\n }}");
}
}
@Test
public void singleJsonOperationIsDispatchedToFeedClient() throws IOException, ExecutionException, InterruptedException {
MockClient client = new MockClient();
try (JsonFeeder feeder = JsonFeeder.builder(client).build()) {
String json = "{\"put\": \"id:ns:type::abc1\",\n" +
" \"fields\": {\n" +
" \"lul\":\"lal\"\n" +
" }\n" +
" }\n";
Result result = feeder.feedSingle(json).get();
Assertions.assertEquals(DocumentId.of("id:ns:type::abc1"), result.documentId());
assertEquals(Result.Type.success, result.type());
assertEquals("success", result.resultMessage().get());
client.assertPutOperation("abc1", "{\"fields\":{\n \"lul\":\"lal\"\n }}");
}
}
private static class MockClient implements FeedClient {
final Map<DocumentId, String> putOperations = new LinkedHashMap<>();
final Map<DocumentId, String> updateOperations = new LinkedHashMap<>();
final Map<DocumentId, String> removeOperations = new LinkedHashMap<>();
@Override
public CompletableFuture<Result> put(DocumentId documentId, String documentJson, OperationParameters params) {
putOperations.put(documentId, documentJson);
return createSuccessResult(documentId);
}
@Override
public CompletableFuture<Result> update(DocumentId documentId, String updateJson, OperationParameters params) {
updateOperations.put(documentId, updateJson);
return createSuccessResult(documentId);
}
@Override
public CompletableFuture<Result> remove(DocumentId documentId, OperationParameters params) {
removeOperations.put(documentId, null);
return createSuccessResult(documentId);
}
@Override
public OperationStats stats() { return null; }
@Override
public CircuitBreaker.State circuitBreakerState() { return null; }
@Override
public void close(boolean graceful) { }
private CompletableFuture<Result> createSuccessResult(DocumentId documentId) {
return CompletableFuture.completedFuture(new Result(){
@Override public Type type() { return Type.success; }
@Override public DocumentId documentId() { return documentId; }
@Override public Optional<String> resultMessage() { return Optional.of("success"); }
@Override public Optional<String> traceMessage() { return Optional.empty(); }
});
}
void assertDocumentIds(Collection<DocumentId> keys, String... expectedUserSpecificIds) {
List<String> expected = Arrays.stream(expectedUserSpecificIds)
.map(userSpecific -> "id:ns:type::" + userSpecific)
.sorted()
.collect(Collectors.toList());
List<String> actual = keys.stream()
.map(DocumentId::toString).sorted()
.collect(Collectors.toList());
assertEquals(expected, actual, "Document ids must match");
}
void assertPutDocumentIds(String... expectedUserSpecificIds) {
assertDocumentIds(putOperations.keySet(), expectedUserSpecificIds);
}
void assertUpdateDocumentIds(String... expectedUserSpecificIds) {
assertDocumentIds(updateOperations.keySet(), expectedUserSpecificIds);
}
void assertRemoveDocumentIds(String... expectedUserSpecificIds) {
assertDocumentIds(removeOperations.keySet(), expectedUserSpecificIds);
}
void assertPutOperation(String userSpecificId, String expectedJson) {
DocumentId docId = DocumentId.of("id:ns:type::" + userSpecificId);
String json = putOperations.get(docId);
assertNotNull(json);
assertEquals(expectedJson.trim(), json.trim());
}
void assertUpdateOperation(String userSpecificId, String expectedJson) {
DocumentId docId = DocumentId.of("id:ns:type::" + userSpecificId);
String json = updateOperations.get(docId);
assertNotNull(json);
assertEquals(expectedJson.trim(), json.trim());
}
}
}
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