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/*
* Copyright (C) 2007 The Android Open Source Project
*
* 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 android.core;
import java.util.ArrayList;
import java.util.Map;
import org.apache.http.protocol.HTTP;
import android.util.Log;
import android.net.http.*;
/**
* Implements EventHandler and provides test functionality to validate
* responses to requests from the test server
*/
public class TestEventHandler implements EventHandler {
/**
* Status variables
*/
private int majorVersion = -1;
private int minorVersion = -1;
private int responseCode = -1;
private String reasonPhrase;
/* List of headers received */
private Map<String, String> headerMap;
/* Used to sync low level delayed requests */
public static final Object syncObj = new Object();
/* Indicates whether the low level request testing is in operation */
private boolean useLowLevel = false;
/* Indicates whether responses should be automatically generated or
* delayed
*/
private boolean delayResponse = false;
/* Test method expectation identifiers */
public final static int TEST_REQUEST_SENT = 0;
public final static int TEST_STATUS = 1;
public final static int TEST_HEADERS = 2;
public final static int TEST_LOCATION_CHANGED = 3;
public final static int TEST_DATA = 4;
public final static int TEST_ENDDATA = 5;
public final static int TEST_ERROR = 6;
public final static int TEST_SSL_CERTIFICATE_ERROR = 7;
public final static int TEST_NUM_EXPECTS = 8;
/* Expected status codes */
private int expectMajor = -1;
private int expectMinor = -1;
private int expectCode = -1;
/* Array indicating which event types are expected */
private boolean[] expects = new boolean[TEST_NUM_EXPECTS];
/* Array indicating which event types are not expected */
private boolean[] notExpecting = new boolean[TEST_NUM_EXPECTS];
/* Indicates which events have been received */
private boolean[] eventsReceived = new boolean[TEST_NUM_EXPECTS];
/* Redirection variables */
private String expectLocation;
private int expectPermanent = -1;
/* Content data expected to be received */
private byte[] expectData;
private int expectDataLength = -1;
private int expectErrorId = -1;
private int expectSslErrors = -1;
private SslCertificate expectCertificate;
public class TestHeader {
public TestHeader(String n, String v) {
name = n;
value = v;
}
public String name;
public String value;
}
private ArrayList<TestHeader> expectHeaders = new ArrayList<TestHeader>();
/* Holds failure details */
private StringBuffer expectDetails = new StringBuffer();
/* If we use a request handle, we retain a reference here for redirects
* using setupRedirect
*/
private RequestHandle mRequestHandle;
/* The low level API uses this reference also for non-delayed requests */
private LowLevelNetRunner netRunner;
public TestEventHandler() {
for (int i = 0; i < TEST_NUM_EXPECTS; i++) {
expects[i] = false;
notExpecting[i] = false;
eventsReceived[i] = false;
}
}
/**
* Implementation of EventHandler method called when a request has been
* sent. If the test is waiting for this call, it will be signalled,
* otherwise this method will trigger the response to be read
* automatically.
*/
public void requestSent() {
Log.v(LOGTAG, "TestEventHandler:requestSent()");
expects[TEST_REQUEST_SENT] = false;
eventsReceived[TEST_REQUEST_SENT] = true;
if (notExpecting[TEST_REQUEST_SENT]) {
expectDetails.append("Request sent event received but not expected");
expectDetails.append("\r\n");
}
if (useLowLevel) {
if (delayResponse) {
synchronized (syncObj) {
syncObj.notifyAll();
}
} else {
// mRequest.startReadingResponse();
}
}
}
/**
* Implements the EventHandler status method called when a server status
* response is received.
* @param major_version The HTTP major version
* @param minor_version The HTTP minor version
* @param code The status code
* @param reason_phrase A reason phrase passed to us by the server
*/
public void status(int major_version, int minor_version,
int code, String reason_phrase) {
if (false) {
Log.v(LOGTAG, "TestEventHandler:status() major: " + major_version +
" minor: " + minor_version +
" code: " + code +
" reason: " + reason_phrase);
}
eventsReceived[TEST_STATUS] = true;
if (notExpecting[TEST_STATUS]) {
expectDetails.append("Status event received but not expected");
expectDetails.append("\r\n");
}
majorVersion = major_version;
minorVersion = minor_version;
responseCode = code;
reasonPhrase = reason_phrase;
if (expectMajor != -1) {
if (expectMajor == major_version) {
expectMajor = -1;
} else {
expectDetails.append("Major version expected:"+expectMajor+
" got:"+major_version);
expectDetails.append("\r\n");
}
}
if (expectMinor != -1) {
if (expectMinor == minor_version) {
expectMinor = -1;
} else {
expectDetails.append("Minor version expected:"+expectMinor+
" got:"+minor_version);
expectDetails.append("\r\n");
}
}
if (expectCode != -1) {
if (expectCode == code) {
expectCode = -1;
} else {
expectDetails.append("Status code expected:"+expectCode+
" got:"+code);
expectDetails.append("\r\n");
}
}
if ((expectMajor == -1) && (expectMinor == -1) && (expectCode == -1)) {
expects[TEST_STATUS] = false;
} else {
System.out.println("MAJOR = "+expectMajor+" MINOR = "+expectMinor+
" CODE = "+expectCode);
}
}
/**
* Implements the EventHandler headers method called when a server
* sends header fields
*/
public void headers(Headers headers) {
if (false) {
Log.v(LOGTAG, "TestEventHandler:headers()");
}
expects[TEST_HEADERS] = false;
if (notExpecting[TEST_HEADERS]) {
expectDetails.append("Header event received but not expected");
expectDetails.append("\r\n");
}
/* Check through headers received for matches with expected
* headers */
if (expectHeaders.isEmpty()) {
return;
}
for (int i = expectHeaders.size() - 1; i >= 0; i--) {
TestHeader h = expectHeaders.get(i);
System.out.println("Expected header name: " + h.name);
String s = null;
switch (h.name.hashCode()) {
case -1132779846:
s = Long.toString(headers.getContentLength());
break;
case 785670158:
s = headers.getContentType();
break;
case 2095084583:
s = headers.getContentEncoding();
break;
case 1901043637:
s = headers.getLocation();
break;
case -243037365:
s = headers.getWwwAuthenticate();
break;
case -301767724:
s = headers.getProxyAuthenticate();
break;
case -1267267485:
s = headers.getContentDisposition();
break;
case 1397189435:
s = headers.getAcceptRanges();
break;
case -1309235404:
s = headers.getExpires();
break;
case -208775662:
s = headers.getCacheControl();
break;
case 150043680:
s = headers.getLastModified();
break;
case 3123477:
s = headers.getEtag();
break;
case -775651618:
int ct = headers.getConnectionType();
if (ct == Headers.CONN_CLOSE) {
s = HTTP.CONN_CLOSE;
} else if (ct == Headers.CONN_KEEP_ALIVE) {
s = HTTP.CONN_KEEP_ALIVE;
}
break;
default:
s = null;
}
if (evaluateHeader(h, s)) {
expectHeaders.remove(i);
}
}
}
public boolean evaluateHeader(TestHeader h, String value) {
if (value == null) {
expects[TEST_HEADERS] = true;
System.out.print(" Missing! ");
expectDetails.append(" missing header " + h.name);
return false;
}
if (h.value == null) {
System.out.println("Expect value = null");
return true;
}
System.out.println("Expect value = " +
(h.value.toLowerCase()) + " got " +
value.toLowerCase());
if (!h.value.equalsIgnoreCase(value)) {
expectDetails.append("expect header value " + h.value +
" got " + value);
expects[TEST_HEADERS] = true;
return false;
}
return true;
}
/**
* Implements the EventHandler locationChanged method called when a server
* sends a redirect message
* @param newLocation The URL to the new server
* @param permanent Indicator of whether this is a permanent change
*/
public void locationChanged(String newLocation, boolean permanent) {
if (false) {
Log.v(LOGTAG, "TestEventHandler: locationChanged() " +
newLocation + " permanent " + permanent);
}
eventsReceived[TEST_LOCATION_CHANGED] = true;
if (notExpecting[TEST_LOCATION_CHANGED]) {
expectDetails.append("Location changed event received but "+
"not expected");
expectDetails.append("\r\n");
}
if (expectLocation != null) {
if (expectLocation.equals(newLocation)) {
expectLocation = null;
} else {
expectDetails.append("Location expected:"+expectLocation+
" got:"+newLocation);
expectDetails.append("\r\n");
}
}
if (expectPermanent != -1) {
if (((expectPermanent == 0) && !permanent) ||
((expectPermanent == 1) && permanent)){
expectPermanent = -1;
} else {
expectDetails.append("Location permanent expected:"+
expectPermanent+" got"+permanent);
expectDetails.append("\r\n");
}
}
if ((expectLocation == null) && (expectPermanent == -1))
expects[TEST_LOCATION_CHANGED] = false;
}
/**
* Implements the EventHandler data method called when a server
* sends content data
* @param data The byte array content
* @param len The length of the data
*/
public void data(byte[] data, int len) {
boolean mismatch = false;
if (false) {
Log.v(LOGTAG, "TestEventHandler: data() " + len + " bytes");
}
eventsReceived[TEST_DATA] = true;
if (notExpecting[TEST_DATA]) {
expectDetails.append("Data event received but not expected");
expectDetails.append("\r\n");
}
Log.v(LOGTAG, new String(data, 0, len));
if (expectDataLength != -1) {
if (expectDataLength == len) {
expectDataLength = -1;
} else {
expectDetails.append("expect data length mismatch expected:"+
expectDataLength+" got:"+len);
expectDetails.append("\r\n");
}
/* Check data only if length is the same */
if ((expectDataLength == -1) && expectData != null) {
for (int i = 0; i < len; i++) {
if (expectData[i] != data[i]) {
mismatch = true;
expectDetails.append("Expect data mismatch at byte "+
i+" expected:"+expectData[i]+" got:"+data[i]);
expectDetails.append("\r\n");
break;
}
}
}
}
if ((expectDataLength == -1) || !mismatch)
expects[TEST_DATA] = false;
}
/**
* Implements the EventHandler endData method called to
* indicate completion or a request
*/
public void endData() {
if (false) {
Log.v(LOGTAG, "TestEventHandler: endData() called");
}
eventsReceived[TEST_ENDDATA] = true;
if (notExpecting[TEST_ENDDATA]) {
expectDetails.append("End data event received but not expected");
expectDetails.append("\r\n");
}
expects[TEST_ENDDATA] = false;
if (useLowLevel) {
if (delayResponse) {
synchronized (syncObj) {
syncObj.notifyAll();
}
} else {
if (netRunner != null) {
System.out.println("TestEventHandler: endData() stopping "+
netRunner);
netRunner.decrementRunCount();
}
}
}
}
/**
* Implements the EventHandler certificate method called every
* time a resource is loaded via a secure connection
*/
public void certificate(SslCertificate certificate) {}
/**
* Implements the EventHandler error method called when a server
* sends header fields
* @param id Status code of the error
* @param description Brief description of the error
*/
public void error(int id, String description) {
if (false) {
Log.v(LOGTAG, "TestEventHandler: error() called Id:" + id +
" description " + description);
}
eventsReceived[TEST_ERROR] = true;
if (notExpecting[TEST_ERROR]) {
expectDetails.append("Error event received but not expected");
expectDetails.append("\r\n");
}
if (expectErrorId != -1) {
if (expectErrorId == id) {
expectErrorId = -1;
} else {
expectDetails.append("Error Id expected:"+expectErrorId+
" got:"+id);
expectDetails.append("\r\n");
}
}
if (expectErrorId == -1)
expects[TEST_ERROR] = false;
if (useLowLevel) {
if (delayResponse) {
synchronized (syncObj) {
syncObj.notifyAll();
}
} else {
if (netRunner != null) {
System.out.println("TestEventHandler: endData() stopping "+
netRunner);
netRunner.decrementRunCount();
}
}
}
}
/**
* SSL certificate error callback. Handles SSL error(s) on the way
* up to the user.
*/
public boolean handleSslErrorRequest(SslError error) {
int primaryError = error.getPrimaryError();
if (false) {
Log.v(LOGTAG, "TestEventHandler: handleSslErrorRequest(): "+
" primary error:" + primaryError +
" certificate: " + error.getCertificate());
}
eventsReceived[TEST_SSL_CERTIFICATE_ERROR] = true;
if (notExpecting[TEST_SSL_CERTIFICATE_ERROR]) {
expectDetails.append("SSL Certificate error event received "+
"but not expected");
expectDetails.append("\r\n");
}
if (expectSslErrors != -1) {
if (expectSslErrors == primaryError) {
expectSslErrors = -1;
} else {
expectDetails.append("SslCertificateError id expected:"+
expectSslErrors+" got: " + primaryError);
expectDetails.append("\r\n");
}
}
// SslCertificate match here?
if (expectSslErrors == -1) // && expectSslCertificate == certificate?
expects[TEST_SSL_CERTIFICATE_ERROR] = false;
// return false so that we won't block the thread
return false;
}
/**
* Use the low level net runner with no delayed response
* @param runner The LowLevelNetRunner object
*/
public void setNetRunner(LowLevelNetRunner runner) {
setNetRunner(runner, false);
}
/**
* Use the low level net runner and specify if the response
* should be delayed
* @param runner The LowLevelNetRunner object
* @param delayedResponse Set to true is you will use the
* waitForRequestSent/waitForRequestResponse routines
*/
public void setNetRunner(LowLevelNetRunner runner,
boolean delayedResponse) {
netRunner = runner;
useLowLevel = true;
delayResponse = delayedResponse;
if (!delayResponse)
netRunner.incrementRunCount();
}
/**
* Enable this listeners Request object to read server responses.
* This should only be used in conjunction with setDelayResponse(true)
*/
public void waitForRequestResponse() {
if (!delayResponse || !useLowLevel) {
Log.d(LOGTAG, " Cant do this without delayReponse set ");
return;
}
//if (mRequest != null) {
// mRequest.startReadingResponse();
// }
/* Now wait for the response to be completed either through endData
* or an error
*/
synchronized (syncObj) {
try {
syncObj.wait();
} catch (InterruptedException e) {
}
}
}
/**
* Enable this listeners Request object to read server responses.
* This should only be used in conjunction with setDelayResponse(true)
*/
public void waitForRequestSent() {
if (!delayResponse || !useLowLevel) {
Log.d(LOGTAG, " Cant do this without delayReponse set ");
return;
}
/* Now wait for the response to be completed either through endData
* or an error
*/
synchronized (syncObj) {
try {
syncObj.wait();
} catch (InterruptedException e) {
}
}
}
/* Test expected values - these routines set the tests expectations */
public void expectRequestSent() {
expects[TEST_REQUEST_SENT] = true;
}
public void expectNoRequestSent() {
notExpecting[TEST_REQUEST_SENT] = true;
}
public void expectStatus() {
expects[TEST_STATUS] = true;
}
public void expectNoStatus() {
notExpecting[TEST_STATUS] = true;
}
public void expectStatus(int major, int minor, int code) {
expects[TEST_STATUS] = true;
expectMajor = major;
expectMinor = minor;
expectCode = code;
}
public void expectStatus(int code) {
expects[TEST_STATUS] = true;
expectCode = code;
}
public void expectHeaders() {
expects[TEST_HEADERS] = true;
}
public void expectNoHeaders() {
notExpecting[TEST_HEADERS] = true;
}
public void expectHeaderAdd(String name) {
expects[TEST_HEADERS] = true;
TestHeader h = new TestHeader(name.toLowerCase(), null);
expectHeaders.add(h);
}
public void expectHeaderAdd(String name, String value) {
expects[TEST_HEADERS] = true;
TestHeader h = new TestHeader(name.toLowerCase(), value);
expectHeaders.add(h);
}
public void expectLocationChanged() {
expects[TEST_LOCATION_CHANGED] = true;
}
public void expectNoLocationChanged() {
notExpecting[TEST_LOCATION_CHANGED] = true;
}
public void expectLocationChanged(String newLocation) {
expects[TEST_LOCATION_CHANGED] = true;
expectLocation = newLocation;
}
public void expectLocationChanged(String newLocation, boolean permanent) {
expects[TEST_LOCATION_CHANGED] = true;
expectLocation = newLocation;
expectPermanent = permanent ? 1 : 0;
}
public void expectData() {
expects[TEST_DATA] = true;
}
public void expectNoData() {
notExpecting[TEST_DATA] = true;
}
public void expectData(int len) {
expects[TEST_DATA] = true;
expectDataLength = len;
}
public void expectData(byte[] data, int len) {
expects[TEST_DATA] = true;
expectData = new byte[len];
expectDataLength = len;
for (int i = 0; i < len; i++) {
expectData[i] = data[i];
}
}
public void expectEndData() {
expects[TEST_ENDDATA] = true;
}
public void expectNoEndData() {
notExpecting[TEST_ENDDATA] = true;
}
public void expectError() {
expects[TEST_ERROR] = true;
}
public void expectNoError() {
notExpecting[TEST_ERROR] = true;
}
public void expectError(int errorId) {
expects[TEST_ERROR] = true;
expectErrorId = errorId;
}
public void expectSSLCertificateError() {
expects[TEST_SSL_CERTIFICATE_ERROR] = true;
}
public void expectNoSSLCertificateError() {
notExpecting[TEST_SSL_CERTIFICATE_ERROR] = true;
}
public void expectSSLCertificateError(int errors) {
expects[TEST_SSL_CERTIFICATE_ERROR] = true;
expectSslErrors = errors;
}
public void expectSSLCertificateError(SslCertificate certificate) {
expects[TEST_SSL_CERTIFICATE_ERROR] = true;
expectCertificate = certificate;
}
/**
* Test to see if current expectations match recieved information
* @return True is all expected results have been matched
*/
public boolean expectPassed() {
for (int i = 0; i < TEST_NUM_EXPECTS; i++) {
if (expects[i] == true) {
return false;
}
}
for (int i = 0; i < TEST_NUM_EXPECTS; i++) {
if (eventsReceived[i] && notExpecting[i]) {
return false;
}
}
return true;
}
/**
* Return message indicating expectation failures
*/
public String getFailureMessage() {
return expectDetails.toString();
}
/**
* Reset all expectation values for re-use
*/
public void resetExpects() {
expectMajor = -1;
expectMinor = -1;
expectCode = -1;
expectLocation = null;
expectPermanent = -1;
expectErrorId = -1;
expectSslErrors = -1;
expectCertificate = null;
expectDetails.setLength(0);
expectHeaders.clear();
for (int i = 0; i < TEST_NUM_EXPECTS; i++) {
expects[i] = false;
notExpecting[i] = false;
eventsReceived[i] = false;
}
for (int i = 0; i < expectDataLength; i++) {
expectData[i] = 0;
}
expectDataLength = -1;
}
/**
* Attach the RequestHandle to this handler
* @param requestHandle The RequestHandle
*/
public void attachRequestHandle(RequestHandle requestHandle) {
if (false) {
Log.v(LOGTAG, "TestEventHandler.attachRequestHandle(): " +
"requestHandle: " + requestHandle);
}
mRequestHandle = requestHandle;
}
/**
* Detach the RequestHandle
*/
public void detachRequestHandle() {
if (false) {
Log.v(LOGTAG, "TestEventHandler.detachRequestHandle(): " +
"requestHandle: " + mRequestHandle);
}
mRequestHandle = null;
}
protected final static String LOGTAG = "http";
}