mirror of
https://github.com/google/nomulus
synced 2026-02-02 19:12:27 +00:00
3f5c9d1246
Supports the full blocklist download cycle (download, diffing, diff-apply, and order-status reporting) and the refreshing of unblockable domains. Submitted due to tight deadline. We will conduct post-submit review and refactoring.
66 lines
2.3 KiB
Java
66 lines
2.3 KiB
Java
// Copyright 2023 The Nomulus Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package google.registry.util;
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import static com.google.common.truth.Truth.assertThat;
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import static google.registry.util.BatchedStreams.toBatches;
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import static java.util.stream.Collectors.counting;
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import static java.util.stream.Collectors.groupingBy;
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import static org.junit.Assert.assertThrows;
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import com.google.common.collect.ImmutableList;
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import java.util.stream.IntStream;
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import java.util.stream.Stream;
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import org.junit.jupiter.api.Test;
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/** Unit tests for {@link BatchedStreams}. */
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public class BatchedStreamsTest {
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@Test
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void invalidBatchSize() {
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assertThat(assertThrows(IllegalArgumentException.class, () -> toBatches(Stream.of(), 0)))
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.hasMessageThat()
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.contains("must be a positive integer");
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}
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@Test
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void batch_success() {
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// 900_002 elements -> 900 1K-batches + 1 2-element-batch
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Stream<Integer> data = IntStream.rangeClosed(0, 900_001).boxed();
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assertThat(
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toBatches(data, 1000).map(ImmutableList::size).collect(groupingBy(x -> x, counting())))
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.containsExactly(1000, 900L, 2, 1L);
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}
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@Test
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void batch_partialBatch() {
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Stream<Integer> data = Stream.of(1, 2, 3);
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assertThat(
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toBatches(data, 1000).map(ImmutableList::size).collect(groupingBy(x -> x, counting())))
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.containsExactly(3, 1L);
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}
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@Test
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void batch_truncateBatchSize() {
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// 2M elements -> 2 1M-batches despite the user-specified 2M batch size.
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Stream<Integer> data = IntStream.range(0, 1024 * 2048).boxed();
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assertThat(
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toBatches(data, 2_000_000)
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.map(ImmutableList::size)
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.collect(groupingBy(x -> x, counting())))
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.containsExactly(1024 * 1024, 2L);
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}
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}
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