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// Copyright Verizon Media. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package ai.vespa.hosted.client;
import ai.vespa.hosted.client.ConfigServerClient.ResponseException;
import ai.vespa.hosted.client.ConfigServerClient.HostStrategy;
import com.github.tomakehurst.wiremock.http.Fault;
import com.yahoo.vespa.athenz.api.AthenzService;
import org.apache.hc.core5.http.Method;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.RegisterExtension;
import java.io.UncheckedIOException;
import java.net.URI;
import java.util.List;
import static com.github.tomakehurst.wiremock.client.WireMock.aResponse;
import static com.github.tomakehurst.wiremock.client.WireMock.anyRequestedFor;
import static com.github.tomakehurst.wiremock.client.WireMock.anyUrl;
import static com.github.tomakehurst.wiremock.client.WireMock.equalTo;
import static com.github.tomakehurst.wiremock.client.WireMock.get;
import static com.github.tomakehurst.wiremock.client.WireMock.getRequestedFor;
import static com.github.tomakehurst.wiremock.client.WireMock.okJson;
import static com.github.tomakehurst.wiremock.client.WireMock.post;
import static com.github.tomakehurst.wiremock.client.WireMock.postRequestedFor;
import static com.github.tomakehurst.wiremock.client.WireMock.urlEqualTo;
import static java.nio.charset.StandardCharsets.UTF_8;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;
/**
* @author jonmv
*/
class HttpConfigServerClientTest {
@RegisterExtension
final WireMockExtension server = new WireMockExtension();
final ConfigServerClient client = new HttpConfigServerClient(List.of(new AthenzService("mydomain", "yourservice")), "user");
@Test
void testRetries() {
// Two servers in list--two attempts on IOException.
server.stubFor(get("/root?query=foo"))
.setResponse(okJson("{}").withFault(Fault.RANDOM_DATA_THEN_CLOSE)
.build());
assertThrows(UncheckedIOException.class,
() -> client.send(HostStrategy.ordered(List.of(URI.create("http://localhost:" + server.port()),
URI.create("http://localhost:" + server.port() + "/"))),
Method.GET)
.at("root")
.parameters("query", "foo")
.discard());
server.verify(2, getRequestedFor(urlEqualTo("/root?query=foo")));
server.verify(2, anyRequestedFor(anyUrl()));
server.resetRequests();
// Two attempts on a different IOException.
server.stubFor(post("/prefix/%2Froot"))
.setResponse(okJson("{}").withFault(Fault.EMPTY_RESPONSE)
.build());
assertThrows(UncheckedIOException.class,
() -> client.send(HostStrategy.shuffling(List.of(URI.create("http://localhost:" + server.port() + "/prefix"),
URI.create("http://localhost:" + server.port() + "/prefix/"))),
Method.POST)
.body("hello".getBytes(UTF_8))
.at("/root")
.stream());
server.verify(2, postRequestedFor(urlEqualTo("/prefix/%2Froot")).withRequestBody(equalTo("hello")));
server.verify(2, anyRequestedFor(anyUrl()));
server.resetRequests();
// Successful attempt returns.
server.stubFor(get("/root/boot"))
.setResponse(okJson("{}").build());
assertEquals("{}",
client.send(HostStrategy.repeating(URI.create("http://localhost:" + server.port()), 10),
Method.GET)
.at("root", "boot")
.read(String::new));
server.verify(1, getRequestedFor(urlEqualTo("/root/boot")));
server.verify(1, anyRequestedFor(anyUrl()));
server.resetRequests();
// ResponseException is not retried.
server.stubFor(get("/"))
.setResponse(aResponse().withStatus(409).withBody("hi").build());
ResponseException thrown = assertThrows(ResponseException.class,
() -> client.send(HostStrategy.repeating(URI.create("http://localhost:" + server.port()), 10),
Method.GET)
.read(String::new));
assertEquals("GET / failed with status 409 and no body", thrown.getMessage());
server.verify(1, getRequestedFor(urlEqualTo("/")));
server.verify(1, anyRequestedFor(anyUrl()));
}
}
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