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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.jdisc.http.server.jetty;
import com.yahoo.jdisc.http.ConnectorConfig;
import org.eclipse.jetty.server.HttpChannel;
import org.eclipse.jetty.server.HttpConnection;
import org.eclipse.jetty.server.HttpInput;
import org.eclipse.jetty.server.Request;
import org.mockito.stubbing.Answer;
import java.io.UnsupportedEncodingException;
import java.util.Collections;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.atomic.AtomicReference;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.anyString;
import static org.mockito.Mockito.doAnswer;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
/**
* Builder for creating a mock instance of Jetty's {@link Request} type.
*
* @author bjorncs
*/
public class JettyMockRequestBuilder {
private final Map<String, List<String>> parameters = new HashMap<>();
private final Map<String, List<String>> headers = new HashMap<>();
private final Map<String, Object> attributes = new HashMap<>();
private Integer localPort;
private String uriScheme;
private String uriServerName;
private Integer uriPort;
private String uriPath;
private String uriQuery;
private String remoteAddress;
private String remoteHost;
private Integer remotePort;
private JettyMockRequestBuilder() {}
public static JettyMockRequestBuilder newBuilder() { return new JettyMockRequestBuilder(); }
public JettyMockRequestBuilder localPort(int localPort) { this.localPort = localPort; return this; }
public JettyMockRequestBuilder remote(String address, String host, int port) {
this.remoteAddress = address;
this.remoteHost = host;
this.remotePort = port;
return this;
}
public JettyMockRequestBuilder uri(String scheme, String serverName, int port, String path, String query) {
this.uriScheme = scheme;
this.uriServerName = serverName;
this.uriPort = port;
this.uriPath = path;
this.uriQuery = query;
return this;
}
public JettyMockRequestBuilder parameter(String name, List<String> values) { this.parameters.put(name, List.copyOf(values)); return this; }
public JettyMockRequestBuilder header(String name, List<String> values) { this.headers.put(name, List.copyOf(values)); return this; }
public JettyMockRequestBuilder attribute(String name, Object value) { this.attributes.put(name, value); return this; }
public Request build() {
int localPort = this.localPort != null ? this.localPort : 8080;
String scheme = this.uriScheme != null ? this.uriScheme : "http";
String serverName = this.uriServerName != null ? this.uriServerName : "localhost";
int uriPort = this.uriPort != null ? this.uriPort : 8080;
String path = this.uriPath;
String query = this.uriQuery;
String remoteAddress = this.remoteAddress != null ? this.remoteAddress : "1.2.3.4";
String remoteHost = this.remoteHost != null ? this.remoteHost : "remotehost";
Integer remotePort = this.remotePort != null ? this.remotePort : 12345;
HttpChannel channel = mock(HttpChannel.class);
HttpConnection connection = mock(HttpConnection.class);
JDiscServerConnector connector = mock(JDiscServerConnector.class);
when(connector.connectorConfig()).thenReturn(new ConnectorConfig(
new ConnectorConfig.Builder().listenPort(localPort)
.accessLog(new ConnectorConfig.AccessLog.Builder()
.remoteAddressHeaders(List.of("x-forwarded-for", "y-ra"))
.remotePortHeaders(List.of("X-Forwarded-Port", "y-rp")))));
when(connector.getLocalPort()).thenReturn(localPort);
when(connection.getCreatedTimeStamp()).thenReturn(System.currentTimeMillis());
when(connection.getConnector()).thenReturn(connector);
when(connection.getHttpChannel()).thenReturn(channel);
when(channel.getConnector()).thenReturn(connector);
when(channel.getConnection()).thenReturn(connection);
HttpInput httpInput = mock(HttpInput.class);
when(httpInput.getContentReceived()).thenReturn(2345L);
Request request = mock(Request.class);
when(request.getHttpChannel()).thenReturn(channel);
when(request.getHttpInput()).thenReturn(httpInput);
when(request.getProtocol()).thenReturn("HTTP/1.1");
when(request.getScheme()).thenReturn(scheme);
when(request.getServerName()).thenReturn(serverName);
when(request.getRemoteAddr()).thenReturn(remoteAddress);
when(request.getRemotePort()).thenReturn(remotePort);
when(request.getRemoteHost()).thenReturn(remoteHost);
when(request.getLocalPort()).thenReturn(uriPort);
when(request.getMethod()).thenReturn("GET");
when(request.getQueryString()).thenReturn(query);
when(request.getRequestURI()).thenReturn(path);
mockCharacterEncodingHandling(request);
mockHeaderHandling(request);
mockParameterHandling(request);
mockAttributeHandling(request);
return request;
}
private void mockCharacterEncodingHandling(Request request) {
try {
AtomicReference<String> characterEncoding = new AtomicReference<>("");
when(request.getCharacterEncoding()).thenAnswer((Answer<String>) ignored -> characterEncoding.get());
doAnswer((Answer<Void>) invocation -> {
String value = invocation.getArgument(0);
characterEncoding.set(value);
return null;
}).when(request).setCharacterEncoding(anyString());
} catch (UnsupportedEncodingException e) {
throw new RuntimeException(e);
}
}
private void mockHeaderHandling(Request request) {
Map<String, List<String>> headers = new ConcurrentHashMap<>(this.headers);
when(request.getHeaderNames()).thenReturn(Collections.enumeration(headers.keySet()));
when(request.getHeaders(anyString())).thenAnswer((Answer<Enumeration<String>>) invocation -> {
String key = invocation.getArgument(0);
List<String> values = headers.get(key);
return values != null ? Collections.enumeration(values) : Collections.enumeration(List.of());
});
when(request.getHeader(anyString())).thenAnswer((Answer<String>) invocation -> {
String name = invocation.getArgument(0);
List<String> values = headers.get(name);
if (values == null || values.isEmpty()) return null;
return values.get(0);
});
}
private void mockParameterHandling(Request request) {
Map<String, String[]> parameters = new ConcurrentHashMap<>();
this.parameters.forEach((key, values) -> parameters.put(key, values.toArray(String[]::new)));
when(request.getParameterMap()).thenReturn(parameters);
}
private void mockAttributeHandling(Request request) {
Map<String, Object> attributes = new ConcurrentHashMap<>(this.attributes);
when(request.getAttribute(any())).thenAnswer(invocation -> {
String attributeName = invocation.getArgument(0);
return attributes.get(attributeName);
});
doAnswer((Answer<Void>) invocation -> {
String attributeName = invocation.getArgument(0);
Object attributeValue = invocation.getArgument(1);
attributes.put(attributeName, attributeValue);
return null;
}).when(request).setAttribute(anyString(), any());
doAnswer((Answer<Void>) invocation -> {
String attributeName = invocation.getArgument(0);
attributes.remove(attributeName);
return null;
}).when(request).removeAttribute(anyString());
}
}
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