4 changed files with 71 additions and 92 deletions
@ -1,86 +0,0 @@ |
|||
/** |
|||
* Copyright © 2016-2025 The Thingsboard Authors |
|||
* |
|||
* Licensed under the Apache License, Version 2.0 (the "License"); |
|||
* you may not use this file except in compliance with the License. |
|||
* You may obtain a copy of the License at |
|||
* |
|||
* http://www.apache.org/licenses/LICENSE-2.0
|
|||
* |
|||
* Unless required by applicable law or agreed to in writing, software |
|||
* distributed under the License is distributed on an "AS IS" BASIS, |
|||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
|||
* See the License for the specific language governing permissions and |
|||
* limitations under the License. |
|||
*/ |
|||
package org.thingsboard.server.common.msg.tools; |
|||
|
|||
import org.awaitility.pollinterval.FixedPollInterval; |
|||
import org.junit.jupiter.api.Test; |
|||
|
|||
import java.util.concurrent.TimeUnit; |
|||
|
|||
import static org.assertj.core.api.Assertions.assertThat; |
|||
import static org.awaitility.Awaitility.await; |
|||
|
|||
public class RateLimitsTest { |
|||
|
|||
@Test |
|||
public void testRateLimits_greedyRefill() { |
|||
testRateLimitWithGreedyRefill(3, 10); |
|||
testRateLimitWithGreedyRefill(3, 3); |
|||
testRateLimitWithGreedyRefill(4, 2); |
|||
} |
|||
|
|||
private void testRateLimitWithGreedyRefill(int capacity, int period) { |
|||
String rateLimitConfig = capacity + ":" + period; |
|||
TbRateLimits rateLimits = new TbRateLimits(rateLimitConfig); |
|||
|
|||
rateLimits.tryConsume(capacity); |
|||
assertThat(rateLimits.tryConsume()).as("new token is available").isFalse(); |
|||
|
|||
int expectedRefillTime = (int) (((double) period / capacity) * 1000); |
|||
int gap = 500; |
|||
|
|||
for (int i = 0; i < capacity; i++) { |
|||
await("token refill for rate limit " + rateLimitConfig) |
|||
.pollInterval(new FixedPollInterval(10, TimeUnit.MILLISECONDS)) |
|||
.atLeast(expectedRefillTime - gap, TimeUnit.MILLISECONDS) |
|||
.atMost(expectedRefillTime + gap, TimeUnit.MILLISECONDS) |
|||
.untilAsserted(() -> { |
|||
assertThat(rateLimits.tryConsume()).as("token is available").isTrue(); |
|||
}); |
|||
assertThat(rateLimits.tryConsume()).as("new token is available").isFalse(); |
|||
} |
|||
} |
|||
|
|||
@Test |
|||
public void testRateLimits_intervalRefill() { |
|||
testRateLimitWithIntervalRefill(10, 5); |
|||
testRateLimitWithIntervalRefill(3, 3); |
|||
testRateLimitWithIntervalRefill(4, 2); |
|||
} |
|||
|
|||
private void testRateLimitWithIntervalRefill(int capacity, int period) { |
|||
String rateLimitConfig = capacity + ":" + period; |
|||
TbRateLimits rateLimits = new TbRateLimits(rateLimitConfig, true); |
|||
|
|||
rateLimits.tryConsume(capacity); |
|||
assertThat(rateLimits.tryConsume()).as("new token is available").isFalse(); |
|||
|
|||
int expectedRefillTime = period * 1000; |
|||
int gap = 500; |
|||
|
|||
await("tokens refill for rate limit " + rateLimitConfig) |
|||
.pollInterval(new FixedPollInterval(10, TimeUnit.MILLISECONDS)) |
|||
.atLeast(expectedRefillTime - gap, TimeUnit.MILLISECONDS) |
|||
.atMost(expectedRefillTime + gap, TimeUnit.MILLISECONDS) |
|||
.untilAsserted(() -> { |
|||
for (int i = 0; i < capacity; i++) { |
|||
assertThat(rateLimits.tryConsume()).as("token is available").isTrue(); |
|||
} |
|||
assertThat(rateLimits.tryConsume()).as("new token is available").isFalse(); |
|||
}); |
|||
} |
|||
|
|||
} |
|||
Loading…
Reference in new issue