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2026-02-20 17:56:24 +08:00
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commit f3af234308
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406
EdgeHttpDNS/sdk/ios/AlicloudHttpDNSTests/Network/HttpdnsNWHTTPClient_BasicIntegrationTests.m Normal file
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//
// HttpdnsNWHTTPClient_BasicIntegrationTests.m
// AlicloudHttpDNSTests
//
// @author Created by Claude Code on 2025-11-01
// Copyright © 2025 alibaba-inc.com. All rights reserved.
//
// 基础集成测试 - 包含基础功能 (G) 和连接复用 (J) 测试组
// 测试总数：12 个（G:7 + J:5）
//
#import "HttpdnsNWHTTPClientTestBase.h"
@interface HttpdnsNWHTTPClient_BasicIntegrationTests : HttpdnsNWHTTPClientTestBase
@end
@implementation HttpdnsNWHTTPClient_BasicIntegrationTests
#pragma mark - G. 集成测试（真实网络）
// G.1 HTTP GET 请求
- (void)testIntegration_HTTPGetRequest_RealNetwork {
XCTestExpectation *expectation = [self expectationWithDescription:@"HTTP GET request"];
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
NSError *error = nil;
HttpdnsNWHTTPClientResponse *response = [self.client performRequestWithURLString:@"http://127.0.0.1:11080/get"
userAgent:@"HttpdnsNWHTTPClient/1.0"
timeout:15.0
error:&error];
XCTAssertNotNil(response, @"Response should not be nil");
XCTAssertNil(error, @"Error should be nil, got: %@", error);
XCTAssertEqual(response.statusCode, 200, @"Status code should be 200");
XCTAssertNotNil(response.body, @"Body should not be nil");
XCTAssertGreaterThan(response.body.length, 0, @"Body should not be empty");
// 验证响应包含 JSON
NSError *jsonError = nil;
NSDictionary *jsonDict = [NSJSONSerialization JSONObjectWithData:response.body
options:0
error:&jsonError];
XCTAssertNotNil(jsonDict, @"Response should be valid JSON");
XCTAssertNil(jsonError, @"JSON parsing should succeed");
[expectation fulfill];
});
[self waitForExpectations:@[expectation] timeout:20.0];
}
// G.2 HTTPS GET 请求
- (void)testIntegration_HTTPSGetRequest_RealNetwork {
XCTestExpectation *expectation = [self expectationWithDescription:@"HTTPS GET request"];
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
NSError *error = nil;
HttpdnsNWHTTPClientResponse *response = [self.client performRequestWithURLString:@"https://127.0.0.1:11443/get"
userAgent:@"HttpdnsNWHTTPClient/1.0"
timeout:15.0
error:&error];
XCTAssertNotNil(response, @"Response should not be nil");
XCTAssertNil(error, @"Error should be nil, got: %@", error);
XCTAssertEqual(response.statusCode, 200, @"Status code should be 200");
XCTAssertNotNil(response.body, @"Body should not be nil");
// 验证 TLS 成功建立
XCTAssertGreaterThan(response.body.length, 0, @"HTTPS body should not be empty");
[expectation fulfill];
});
[self waitForExpectations:@[expectation] timeout:20.0];
}
// G.3 HTTP 404 响应
- (void)testIntegration_NotFound_Returns404 {
XCTestExpectation *expectation = [self expectationWithDescription:@"404 response"];
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
NSError *error = nil;
HttpdnsNWHTTPClientResponse *response = [self.client performRequestWithURLString:@"http://127.0.0.1:11080/status/404"
userAgent:@"HttpdnsNWHTTPClient/1.0"
timeout:15.0
error:&error];
XCTAssertNotNil(response, @"Response should not be nil even for 404");
XCTAssertNil(error, @"Error should be nil for valid HTTP response");
XCTAssertEqual(response.statusCode, 404, @"Status code should be 404");
[expectation fulfill];
});
[self waitForExpectations:@[expectation] timeout:20.0];
}
// G.4 连接复用测试
- (void)testIntegration_ConnectionReuse_MultipleRequests {
XCTestExpectation *expectation = [self expectationWithDescription:@"Connection reuse"];
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
NSError *error1 = nil;
HttpdnsNWHTTPClientResponse *response1 = [self.client performRequestWithURLString:@"http://127.0.0.1:11080/get"
userAgent:@"HttpdnsNWHTTPClient/1.0"
timeout:15.0
error:&error1];
XCTAssertNotNil(response1, @"First response should not be nil");
XCTAssertNil(error1, @"First request should succeed");
XCTAssertEqual(response1.statusCode, 200);
// 立即发起第二个请求，应该复用连接
NSError *error2 = nil;
HttpdnsNWHTTPClientResponse *response2 = [self.client performRequestWithURLString:@"http://127.0.0.1:11080/get"
userAgent:@"HttpdnsNWHTTPClient/1.0"
timeout:15.0
error:&error2];
XCTAssertNotNil(response2, @"Second response should not be nil");
XCTAssertNil(error2, @"Second request should succeed");
XCTAssertEqual(response2.statusCode, 200);
[expectation fulfill];
});
[self waitForExpectations:@[expectation] timeout:30.0];
}
// G.5 Chunked 响应处理
- (void)testIntegration_ChunkedResponse_RealNetwork {
XCTestExpectation *expectation = [self expectationWithDescription:@"Chunked response"];
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
NSError *error = nil;
// httpbin.org/stream-bytes 返回 chunked 编码的响应
HttpdnsNWHTTPClientResponse *response = [self.client performRequestWithURLString:@"http://127.0.0.1:11080/stream-bytes/1024"
userAgent:@"HttpdnsNWHTTPClient/1.0"
timeout:15.0
error:&error];
XCTAssertNotNil(response, @"Response should not be nil");
XCTAssertNil(error, @"Error should be nil, got: %@", error);
XCTAssertEqual(response.statusCode, 200);
XCTAssertEqual(response.body.length, 1024, @"Should receive exactly 1024 bytes");
// 验证 Transfer-Encoding 头
NSString *transferEncoding = response.headers[@"transfer-encoding"];
if (transferEncoding) {
XCTAssertTrue([transferEncoding containsString:@"chunked"], @"Should use chunked encoding");
}
[expectation fulfill];
});
[self waitForExpectations:@[expectation] timeout:20.0];
}
#pragma mark - 额外的集成测试
// G.6 超时测试（可选）
- (void)testIntegration_RequestTimeout_ReturnsError {
XCTestExpectation *expectation = [self expectationWithDescription:@"Request timeout"];
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
NSError *error = nil;
// httpbin.org/delay/10 会延迟 10 秒响应，我们设置 2 秒超时
HttpdnsNWHTTPClientResponse *response = [self.client performRequestWithURLString:@"http://127.0.0.1:11080/delay/10"
userAgent:@"HttpdnsNWHTTPClient/1.0"
timeout:2.0
error:&error];
XCTAssertNil(response, @"Response should be nil on timeout");
XCTAssertNotNil(error, @"Error should be set on timeout");
[expectation fulfill];
});
[self waitForExpectations:@[expectation] timeout:5.0];
}
// G.7 多个不同头部的请求
- (void)testIntegration_CustomHeaders_Reflected {
XCTestExpectation *expectation = [self expectationWithDescription:@"Custom headers"];
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
NSError *error = nil;
HttpdnsNWHTTPClientResponse *response = [self.client performRequestWithURLString:@"http://127.0.0.1:11080/headers"
userAgent:@"TestUserAgent/1.0"
timeout:15.0
error:&error];
XCTAssertNotNil(response);
XCTAssertEqual(response.statusCode, 200);
// 解析 JSON 响应，验证我们的 User-Agent 被发送
NSError *jsonError = nil;
NSDictionary *jsonDict = [NSJSONSerialization JSONObjectWithData:response.body
options:0
error:&jsonError];
XCTAssertNotNil(jsonDict);
NSDictionary *headers = jsonDict[@"headers"];
XCTAssertTrue([headers[@"User-Agent"] containsString:@"TestUserAgent"], @"User-Agent should be sent");
[expectation fulfill];
});
[self waitForExpectations:@[expectation] timeout:20.0];
}
#pragma mark - J. 连接复用详细测试
// J.1 连接过期测试（31秒后创建新连接）
- (void)testConnectionReuse_Expiry31Seconds_NewConnectionCreated {
if (getenv("SKIP_SLOW_TESTS")) {
return;
}
XCTestExpectation *expectation = [self expectationWithDescription:@"Connection expiry"];
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
CFAbsoluteTime time1 = CFAbsoluteTimeGetCurrent();
NSError *error1 = nil;
HttpdnsNWHTTPClientResponse *response1 = [self.client performRequestWithURLString:@"http://127.0.0.1:11080/get"
userAgent:@"First"
timeout:15.0
error:&error1];
CFAbsoluteTime elapsed1 = CFAbsoluteTimeGetCurrent() - time1;
XCTAssertTrue(response1 != nil || error1 != nil);
// 等待31秒让连接过期
[NSThread sleepForTimeInterval:31.0];
// 第二个请求应该创建新连接（可能稍慢，因为需要建立连接）
CFAbsoluteTime time2 = CFAbsoluteTimeGetCurrent();
NSError *error2 = nil;
HttpdnsNWHTTPClientResponse *response2 = [self.client performRequestWithURLString:@"http://127.0.0.1:11080/get"
userAgent:@"Second"
timeout:15.0
error:&error2];
CFAbsoluteTime elapsed2 = CFAbsoluteTimeGetCurrent() - time2;
XCTAssertTrue(response2 != nil || error2 != nil);
// 注意：由于网络波动，不能严格比较时间
// 只验证请求都成功即可
[expectation fulfill];
});
[self waitForExpectations:@[expectation] timeout:70.0];
}
// J.2 连接池容量限制验证
- (void)testConnectionReuse_TenRequests_OnlyFourConnectionsKept {
XCTestExpectation *expectation = [self expectationWithDescription:@"Pool size limit"];
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
// 连续10个请求
for (NSInteger i = 0; i < 10; i++) {
NSError *error = nil;
HttpdnsNWHTTPClientResponse *response = [self.client performRequestWithURLString:@"http://127.0.0.1:11080/get"
userAgent:@"PoolSizeTest"
timeout:15.0
error:&error];
XCTAssertTrue(response != nil || error != nil);
}
// 等待所有连接归还
[NSThread sleepForTimeInterval:1.0];
// 无法直接验证池大小，但如果实现正确，池应自动限制
// 后续请求应该仍能正常工作
NSError *error = nil;
HttpdnsNWHTTPClientResponse *response = [self.client performRequestWithURLString:@"http://127.0.0.1:11080/get"
userAgent:@"Verification"
timeout:15.0
error:&error];
XCTAssertTrue(response != nil || error != nil);
[expectation fulfill];
});
[self waitForExpectations:@[expectation] timeout:120.0];
}
// J.3 不同路径复用连接
- (void)testConnectionReuse_DifferentPaths_SameConnection {
XCTestExpectation *expectation = [self expectationWithDescription:@"Different paths"];
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
NSArray<NSString *> *paths = @[@"/get", @"/headers", @"/user-agent", @"/uuid"];
NSMutableArray<NSNumber *> *times = [NSMutableArray array];
for (NSString *path in paths) {
CFAbsoluteTime start = CFAbsoluteTimeGetCurrent();
NSString *urlString = [NSString stringWithFormat:@"http://127.0.0.1:11080%@", path];
NSError *error = nil;
HttpdnsNWHTTPClientResponse *response = [self.client performRequestWithURLString:urlString
userAgent:@"PathTest"
timeout:15.0
error:&error];
CFAbsoluteTime elapsed = CFAbsoluteTimeGetCurrent() - start;
XCTAssertTrue(response != nil || error != nil);
[times addObject:@(elapsed)];
}
// 如果连接复用工作正常，后续请求应该更快（但网络波动可能影响）
// 至少验证所有请求都成功
XCTAssertEqual(times.count, paths.count);
[expectation fulfill];
});
[self waitForExpectations:@[expectation] timeout:60.0];
}
// J.4 HTTP vs HTTPS 使用不同连接
- (void)testConnectionReuse_HTTPvsHTTPS_DifferentPoolKeys {
XCTestExpectation *expectation = [self expectationWithDescription:@"HTTP vs HTTPS"];
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
// HTTP 请求
NSError *httpError = nil;
HttpdnsNWHTTPClientResponse *httpResponse = [self.client performRequestWithURLString:@"http://127.0.0.1:11080/get"
userAgent:@"HTTP"
timeout:15.0
error:&httpError];
XCTAssertTrue(httpResponse != nil || httpError != nil);
// HTTPS 请求（应该使用不同的连接池 key）
NSError *httpsError = nil;
HttpdnsNWHTTPClientResponse *httpsResponse = [self.client performRequestWithURLString:@"https://127.0.0.1:11443/get"
userAgent:@"HTTPS"
timeout:15.0
error:&httpsError];
XCTAssertTrue(httpsResponse != nil || httpsError != nil);
// 两者都应该成功，且不会相互干扰
[expectation fulfill];
});
[self waitForExpectations:@[expectation] timeout:35.0];
}
// J.5 长连接保持测试
- (void)testConnectionReuse_TwentyRequestsOneSecondApart_ConnectionKeptAlive {
if (getenv("SKIP_SLOW_TESTS")) {
return;
}
XCTestExpectation *expectation = [self expectationWithDescription:@"Keep-alive"];
dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
NSInteger successCount = 0;
NSMutableArray<NSNumber *> *requestTimes = [NSMutableArray array];
// 20个请求，间隔1秒（第一个请求立即执行）
for (NSInteger i = 0; i < 20; i++) {
// 除第一个请求外，每次请求前等待1秒
if (i > 0) {
[NSThread sleepForTimeInterval:1.0];
}
CFAbsoluteTime startTime = CFAbsoluteTimeGetCurrent();
NSError *error = nil;
HttpdnsNWHTTPClientResponse *response = [self.client performRequestWithURLString:@"http://127.0.0.1:11080/get"
userAgent:@"KeepAlive"
timeout:10.0
error:&error];
CFAbsoluteTime elapsed = CFAbsoluteTimeGetCurrent() - startTime;
[requestTimes addObject:@(elapsed)];
if (response && (response.statusCode == 200 || response.statusCode == 503)) {
successCount++;
} else {
// 如果请求失败，提前退出以避免超时
break;
}
}
// 至少大部分请求应该成功
XCTAssertGreaterThan(successCount, 15, @"Most requests should succeed with connection reuse");
// 验证连接复用：后续请求应该更快（如果使用了keep-alive）
if (requestTimes.count >= 10) {
double firstRequestTime = [requestTimes[0] doubleValue];
double laterAvgTime = 0;
for (NSInteger i = 5; i < MIN(10, requestTimes.count); i++) {
laterAvgTime += [requestTimes[i] doubleValue];
}
laterAvgTime /= MIN(5, requestTimes.count - 5);
// 后续请求应该不会明显更慢（说明连接复用工作正常）
XCTAssertLessThanOrEqual(laterAvgTime, firstRequestTime * 2.0, @"Connection reuse should keep latency reasonable");
}
[expectation fulfill];
});
// 超时计算: 19秒sleep + 20个请求×~2秒 = 59秒，设置50秒（提前退出机制保证效率）
[self waitForExpectations:@[expectation] timeout:50.0];
}
@end