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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.config.proxy;
import com.yahoo.vespa.config.ConfigKey;
import com.yahoo.vespa.config.RawConfig;
import com.yahoo.vespa.config.protocol.JRTConfigRequestFactory;
import com.yahoo.vespa.config.protocol.JRTServerConfigRequestV3;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.io.TempDir;
import java.io.File;
import static org.junit.jupiter.api.Assertions.assertEquals;
/**
* @author hmusum
*/
public class RpcConfigSourceClientTest {
private ResponseHandler responseHandler;
private RpcConfigSourceClient rpcConfigSourceClient;
@TempDir
public File tempFolder;
@BeforeEach
public void setup() {
responseHandler = new ResponseHandler(true);
rpcConfigSourceClient = new RpcConfigSourceClient(responseHandler, new MockConfigSource());
}
@Test
void basic() {
final RawConfig fooConfig = ProxyServerTest.fooConfig;
configUpdatedSendResponse(fooConfig);
// Nobody asked for the config, so no response sent
assertSentResponses(0);
simulateClientRequestingConfig(fooConfig);
configUpdatedSendResponse(fooConfig);
assertSentResponses(1);
// Nobody asked for 'bar' config
RawConfig barConfig = new RawConfig(new ConfigKey<>("bar", "id", "namespace"), fooConfig.getDefMd5());
configUpdatedSendResponse(barConfig);
assertSentResponses(1);
}
@Test
void errorResponse() {
configUpdatedSendResponse(ProxyServerTest.errorConfig);
assertSentResponses(0);
}
@Test
void it_does_not_send_old_config_in_response() {
RawConfig fooConfigOldGeneration = ProxyServerTest.fooConfig;
RawConfig fooConfig = createConfigWithNextConfigGeneration(fooConfigOldGeneration);
configUpdatedSendResponse(fooConfig);
// Nobody asked for the config
assertSentResponses(0);
simulateClientRequestingConfig(fooConfig);
configUpdatedSendResponse(fooConfig);
assertSentResponses(1);
simulateClientRequestingConfig(fooConfig);
configUpdatedSendResponse(fooConfigOldGeneration);
// Old config generation, so no response returned
assertSentResponses(1);
}
@Test
void it_does_send_config_with_generation_0_in_response() {
RawConfig fooConfigOldGeneration = ProxyServerTest.fooConfig;
RawConfig fooConfig = createConfigWithNextConfigGeneration(fooConfigOldGeneration, 1);
simulateClientRequestingConfig(fooConfig);
configUpdatedSendResponse(fooConfig);
assertSentResponses(1);
RawConfig fooConfig2 = createConfigWithNextConfigGeneration(fooConfigOldGeneration, 0);
simulateClientRequestingConfig(fooConfig2);
configUpdatedSendResponse(fooConfig2);
assertSentResponses(2);
}
private void assertSentResponses(int expected) {
assertEquals(expected, responseHandler.sentResponses());
}
private void simulateClientRequestingConfig(RawConfig config) {
rpcConfigSourceClient.delayedResponses().add(new DelayedResponse(JRTServerConfigRequestV3.createFromRequest(JRTConfigRequestFactory.createFromRaw(config, -10L).getRequest())));
}
private void configUpdatedSendResponse(RawConfig config) {
rpcConfigSourceClient.updateSubscribers(config);
}
private RawConfig createConfigWithNextConfigGeneration(RawConfig config) {
return createConfigWithNextConfigGeneration(config, config.getGeneration() + 1);
}
private RawConfig createConfigWithNextConfigGeneration(RawConfig config, long newConfigGeneration) {
final int errorCode = 0;
return ProxyServerTest.createConfigWithNextConfigGeneration(config, errorCode, ProxyServerTest.fooConfig.getPayload(), newConfigGeneration);
}
}
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