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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.service.health;
import com.yahoo.vespa.applicationmodel.ServiceStatus;
import com.yahoo.vespa.applicationmodel.ServiceStatusInfo;
import org.apache.http.HttpEntity;
import org.apache.http.StatusLine;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.conn.ConnectTimeoutException;
import org.apache.http.impl.client.CloseableHttpClient;
import org.junit.Before;
import org.junit.Test;
import java.io.IOException;
import java.net.URL;
import java.util.function.Function;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
public class StateV1HealthUpdaterTest {
private URL url;
@Before
public void setUp() throws Exception{
url = new URL("http://host.com:19071");
}
@Test
public void successfulRequestResponse() throws IOException {
ServiceStatusInfo info = getServiceStatusInfoFromJsonResponse("{\n" +
" \"metrics\": {\n" +
" \"snapshot\": {\n" +
" \"from\": 1.528789829249E9,\n" +
" \"to\": 1.528789889249E9\n" +
" }\n" +
" },\n" +
" \"status\": {\"code\": \"up\"},\n" +
" \"time\": 1528789889364\n" +
"}");
assertEquals(ServiceStatus.UP, info.serviceStatus());
assertNull(info.errorOrNull());
}
@Test
public void notUpResponse() throws IOException {
ServiceStatusInfo info = getServiceStatusInfoFromJsonResponse("{\n" +
" \"metrics\": {\n" +
" \"snapshot\": {\n" +
" \"from\": 1.528789829249E9,\n" +
" \"to\": 1.528789889249E9\n" +
" }\n" +
" },\n" +
" \"status\": {\"code\": \"initializing\"},\n" +
" \"time\": 1528789889364\n" +
"}");
assertEquals(ServiceStatus.DOWN, info.serviceStatus());
assertEquals("Bad health status code 'initializing'", info.errorOrNull());
}
@Test
public void noCodeInResponse() throws IOException {
ServiceStatusInfo info = getServiceStatusInfoFromJsonResponse("{\n" +
" \"metrics\": {\n" +
" \"snapshot\": {\n" +
" \"from\": 1.528789829249E9,\n" +
" \"to\": 1.528789889249E9\n" +
" }\n" +
" },\n" +
" \"status\": {\"foo\": \"bar\"},\n" +
" \"time\": 1528789889364\n" +
"}");
assertEquals(ServiceStatus.DOWN, info.serviceStatus());
assertEquals("Bad health status code 'down'", info.errorOrNull());
}
@Test
public void noStatusInResponse() throws IOException {
ServiceStatusInfo info = getServiceStatusInfoFromJsonResponse("{\n" +
" \"metrics\": {\n" +
" \"snapshot\": {\n" +
" \"from\": 1.528789829249E9,\n" +
" \"to\": 1.528789889249E9\n" +
" }\n" +
" },\n" +
" \"time\": 1528789889364\n" +
"}");
assertEquals(ServiceStatus.DOWN, info.serviceStatus());
assertEquals("Bad health status code 'down'", info.errorOrNull());
}
@Test
public void badJson() throws IOException {
ServiceStatusInfo info = getServiceStatusInfoFromJsonResponse("} foo bar");
assertEquals(ServiceStatus.DOWN, info.serviceStatus());
assertTrue(info.errorOrNull().startsWith("Exception: Unexpected close marker '}': "));
}
private ServiceStatusInfo getServiceStatusInfoFromJsonResponse(String content)
throws IOException {
CloseableHttpClient client = mock(CloseableHttpClient.class);
CloseableHttpResponse response = mock(CloseableHttpResponse.class);
when(client.execute(any())).thenReturn(response);
StatusLine statusLine = mock(StatusLine.class);
when(response.getStatusLine()).thenReturn(statusLine);
when(statusLine.getStatusCode()).thenReturn(200);
HttpEntity httpEntity = mock(HttpEntity.class);
when(response.getEntity()).thenReturn(httpEntity);
try (StateV1HealthUpdater updater = makeUpdater(client, entry -> content)) {
when(httpEntity.getContentLength()).thenReturn((long) content.length());
updater.run();
return updater.getServiceStatusInfo();
}
}
@Test
public void testRequestException() throws IOException {
CloseableHttpClient client = mock(CloseableHttpClient.class);
when(client.execute(any())).thenThrow(new ConnectTimeoutException("exception string"));
try (StateV1HealthUpdater updater = makeUpdater(client, entry -> "")) {
updater.run();
ServiceStatusInfo info = updater.getServiceStatusInfo();
assertEquals(ServiceStatus.DOWN, info.serviceStatus());
assertEquals("Exception: exception string", info.errorOrNull());
}
}
@Test
public void testBadHttpResponseCode()
throws IOException {
CloseableHttpClient client = mock(CloseableHttpClient.class);
CloseableHttpResponse response = mock(CloseableHttpResponse.class);
when(client.execute(any())).thenReturn(response);
StatusLine statusLine = mock(StatusLine.class);
when(response.getStatusLine()).thenReturn(statusLine);
when(statusLine.getStatusCode()).thenReturn(500);
HttpEntity httpEntity = mock(HttpEntity.class);
when(response.getEntity()).thenReturn(httpEntity);
String content = "{}";
try (HealthUpdater updater = makeUpdater(client, entry -> content)) {
when(httpEntity.getContentLength()).thenReturn((long) content.length());
updater.run();
ServiceStatusInfo info = updater.getServiceStatusInfo();
assertEquals(ServiceStatus.DOWN, info.serviceStatus());
assertEquals("Bad HTTP response status code 500", info.errorOrNull());
}
}
private StateV1HealthUpdater makeUpdater(CloseableHttpClient client, Function<HttpEntity, String> getContentFunction) {
ApacheHttpClient apacheHttpClient = new ApacheHttpClient(url, client);
StateV1HealthClient healthClient = new StateV1HealthClient(apacheHttpClient, getContentFunction);
return new StateV1HealthUpdater(url.toString(), healthClient);
}
}
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