From e5d8531d513531c9ec518802a129654d19c72e3c Mon Sep 17 00:00:00 2001 From: Muxi Yan Date: Tue, 11 Oct 2016 10:00:51 -0700 Subject: [PATCH 1/3] Recover the missing CoreCronetEnd2EndTests.m --- .../CoreCronetEnd2EndTests.m | 410 ++++++++++++++++++ 1 file changed, 410 insertions(+) create mode 100644 src/objective-c/tests/CoreCronetEnd2EndTests/CoreCronetEnd2EndTests.m diff --git a/src/objective-c/tests/CoreCronetEnd2EndTests/CoreCronetEnd2EndTests.m b/src/objective-c/tests/CoreCronetEnd2EndTests/CoreCronetEnd2EndTests.m new file mode 100644 index 00000000000..5f35204127c --- /dev/null +++ b/src/objective-c/tests/CoreCronetEnd2EndTests/CoreCronetEnd2EndTests.m @@ -0,0 +1,410 @@ +/* + * + * Copyright 2015, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +/* + * This test file is derived from fixture h2_ssl.c in core end2end test + * (test/core/end2end/fixture/h2_ssl.c). The structure of the fixture is + * preserved as much as possible + * + * This fixture creates a server full stack using chttp2 and a client + * full stack using Cronet. End-to-end tests are run against this + * configuration + * + */ + + +#import +#include "test/core/end2end/end2end_tests.h" + +#include +#include + +#include +#include +#include + +#include "src/core/lib/channel/channel_args.h" +#include "src/core/lib/security/credentials/credentials.h" +#include "src/core/lib/support/env.h" +#include "src/core/lib/support/string.h" +#include "src/core/lib/support/tmpfile.h" +#include "test/core/end2end/data/ssl_test_data.h" +#include "test/core/util/port.h" +#include "test/core/util/test_config.h" + +#include +#import + +typedef struct fullstack_secure_fixture_data { + char *localaddr; +} fullstack_secure_fixture_data; + +static grpc_end2end_test_fixture chttp2_create_fixture_secure_fullstack( + grpc_channel_args *client_args, grpc_channel_args *server_args) { + grpc_end2end_test_fixture f; + int port = grpc_pick_unused_port_or_die(); + fullstack_secure_fixture_data *ffd = + gpr_malloc(sizeof(fullstack_secure_fixture_data)); + memset(&f, 0, sizeof(f)); + + gpr_join_host_port(&ffd->localaddr, "127.0.0.1", port); + + f.fixture_data = ffd; + f.cq = grpc_completion_queue_create(NULL); + + return f; +} + +static void process_auth_failure(void *state, grpc_auth_context *ctx, + const grpc_metadata *md, size_t md_count, + grpc_process_auth_metadata_done_cb cb, + void *user_data) { + GPR_ASSERT(state == NULL); + cb(user_data, NULL, 0, NULL, 0, GRPC_STATUS_UNAUTHENTICATED, NULL); +} + +static void cronet_init_client_secure_fullstack( + grpc_end2end_test_fixture *f, grpc_channel_args *client_args, + cronet_engine *cronetEngine) { + fullstack_secure_fixture_data *ffd = f->fixture_data; + f->client = + grpc_cronet_secure_channel_create(cronetEngine, ffd->localaddr, client_args, NULL); + GPR_ASSERT(f->client != NULL); +} + +static void chttp2_init_server_secure_fullstack( + grpc_end2end_test_fixture *f, grpc_channel_args *server_args, + grpc_server_credentials *server_creds) { + fullstack_secure_fixture_data *ffd = f->fixture_data; + if (f->server) { + grpc_server_destroy(f->server); + } + f->server = grpc_server_create(server_args, NULL); + grpc_server_register_completion_queue(f->server, f->cq, NULL); + GPR_ASSERT(grpc_server_add_secure_http2_port(f->server, ffd->localaddr, + server_creds)); + grpc_server_credentials_release(server_creds); + grpc_server_start(f->server); +} + +static void chttp2_tear_down_secure_fullstack(grpc_end2end_test_fixture *f) { + fullstack_secure_fixture_data *ffd = f->fixture_data; + gpr_free(ffd->localaddr); + gpr_free(ffd); +} + +static void cronet_init_client_simple_ssl_secure_fullstack( + grpc_end2end_test_fixture *f, grpc_channel_args *client_args) { + static bool done = false; + // TODO (makdharma): DO NOT CHECK IN THIS HACK!!! + if (!done) { + done = true; + [Cronet setHttp2Enabled:YES]; + [Cronet setQuicEnabled:YES]; + [Cronet enableTestCertVerifierForTesting]; + NSURL *url = [[[NSFileManager defaultManager] + URLsForDirectory:NSDocumentDirectory inDomains:NSUserDomainMask] lastObject]; + NSLog(@"Documents directory: %@", url); + [Cronet start]; + [Cronet startNetLogToFile: @"Documents/cronet_netlog.json" logBytes:YES]; + } + cronet_engine *cronetEngine = [Cronet getGlobalEngine]; + + grpc_channel_args *new_client_args = grpc_channel_args_copy(client_args); + cronet_init_client_secure_fullstack(f, new_client_args, cronetEngine); + grpc_channel_args_destroy(new_client_args); +} + +static int fail_server_auth_check(grpc_channel_args *server_args) { + size_t i; + if (server_args == NULL) return 0; + for (i = 0; i < server_args->num_args; i++) { + if (strcmp(server_args->args[i].key, FAIL_AUTH_CHECK_SERVER_ARG_NAME) == + 0) { + return 1; + } + } + return 0; +} + +static void chttp2_init_server_simple_ssl_secure_fullstack( + grpc_end2end_test_fixture *f, grpc_channel_args *server_args) { + grpc_ssl_pem_key_cert_pair pem_cert_key_pair = {test_server1_key, + test_server1_cert}; + grpc_server_credentials *ssl_creds = + grpc_ssl_server_credentials_create(NULL, &pem_cert_key_pair, 1, 0, NULL); + if (fail_server_auth_check(server_args)) { + grpc_auth_metadata_processor processor = {process_auth_failure, NULL, NULL}; + grpc_server_credentials_set_auth_metadata_processor(ssl_creds, processor); + } + chttp2_init_server_secure_fullstack(f, server_args, ssl_creds); +} + +/* All test configurations */ + +static grpc_end2end_test_config configs[] = { + {"chttp2/simple_ssl_fullstack", + FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION | + FEATURE_MASK_SUPPORTS_PER_CALL_CREDENTIALS, + chttp2_create_fixture_secure_fullstack, + cronet_init_client_simple_ssl_secure_fullstack, + chttp2_init_server_simple_ssl_secure_fullstack, + chttp2_tear_down_secure_fullstack}, +}; + + + +static char *roots_filename; + +@interface CoreCronetEnd2EndTests : XCTestCase + +@end + +@implementation CoreCronetEnd2EndTests + + +// The setUp() function is run before the test cases run and only run once ++ (void)setUp { + [super setUp]; + + FILE *roots_file; + size_t roots_size = strlen(test_root_cert); + + char *argv[] = {"CoreCronetEnd2EndTests"}; + grpc_test_init(1, argv); + grpc_end2end_tests_pre_init(); + + /* Set the SSL roots env var. */ + roots_file = gpr_tmpfile("chttp2_simple_ssl_fullstack_test", &roots_filename); + GPR_ASSERT(roots_filename != NULL); + GPR_ASSERT(roots_file != NULL); + GPR_ASSERT(fwrite(test_root_cert, 1, roots_size, roots_file) == roots_size); + fclose(roots_file); + gpr_setenv(GRPC_DEFAULT_SSL_ROOTS_FILE_PATH_ENV_VAR, roots_filename); + + grpc_init(); + +} + +// The tearDown() function is run after all test cases finish running ++ (void)tearDown { + grpc_shutdown(); + + /* Cleanup. */ + remove(roots_filename); + gpr_free(roots_filename); + + [super tearDown]; +} + +- (void)testIndividualCase:(char*)test_case { + char *argv[] = {"h2_ssl", test_case}; + + for (int i = 0; i < sizeof(configs) / sizeof(*configs); i++) { + grpc_end2end_tests(sizeof(argv) / sizeof(argv[0]), argv, configs[i]); + } +} + +// TODO(mxyan): Use NSStringFromSelector(_cmd) to acquire test name from the +// test case method name, so that bodies of test cases can stay identical +- (void)testBadHostname { + [self testIndividualCase:"bad_hostname"]; +} + +- (void)testBinaryMetadata { + // NOT SUPPORTED + //[self testIndividualCase:"binary_metadata"]; +} + +- (void)testCallCreds { + // NOT SUPPORTED + // [self testIndividualCase:"call_creds"]; +} + +- (void)testCancelAfterAccept { + [self testIndividualCase:"cancel_after_accept"]; +} + +- (void)testCancelAfterClientDone { + [self testIndividualCase:"cancel_after_client_done"]; +} + +- (void)testCancelAfterInvoke { + [self testIndividualCase:"cancel_after_invoke"]; +} + +- (void)testCancelBeforeInvoke { + [self testIndividualCase:"cancel_before_invoke"]; +} + +- (void)testCancelInAVacuum { + [self testIndividualCase:"cancel_in_a_vacuum"]; +} + +- (void)testCancelWithStatus { + [self testIndividualCase:"cancel_with_status"]; +} + +- (void)testCompressedPayload { + // NOT SUPPORTED + // [self testIndividualCase:"compressed_payload"]; +} + +- (void)testConnectivity { + // NOT SUPPORTED + // [self testIndividualCase:"connectivity"]; +} + +- (void)testDefaultHost { + [self testIndividualCase:"default_host"]; +} + +- (void)testDisappearingServer { + [self testIndividualCase:"disappearing_server"]; +} + +- (void)testEmptyBatch { + [self testIndividualCase:"empty_batch"]; +} + +- (void)testFilterCausesClose { + // NOT SUPPORTED + // [self testIndividualCase:"filter_causes_close"]; +} + +- (void)testGracefulServerShutdown { + [self testIndividualCase:"graceful_server_shutdown"]; +} + +- (void)testHighInitialSeqno { + [self testIndividualCase:"high_initial_seqno"]; +} + +- (void)testHpackSize { + // NOT SUPPORTED + // [self testIndividualCase:"hpack_size"]; +} + +- (void)testIdempotentRequest { + // NOT SUPPORTED + // [self testIndividualCase:"idempotent_request"]; +} + +- (void)testInvokeLargeRequest { + [self testIndividualCase:"invoke_large_request"]; +} + +- (void)testLargeMetadata { + // NOT SUPPORTED + // [self testIndividualCase:"large_metadata"]; +} + +- (void)testMaxConcurrentStreams { + [self testIndividualCase:"max_concurrent_streams"]; +} + +- (void)testMaxMessageLength { + [self testIndividualCase:"max_message_length"]; +} + +- (void)testNegativeDeadline { + [self testIndividualCase:"negative_deadline"]; +} + +- (void)testNetworkStatusChange { + [self testIndividualCase:"network_status_change"]; +} + +- (void)testNoOp { + [self testIndividualCase:"no_op"]; +} + +- (void)testPayload { + [self testIndividualCase:"payload"]; +} + +- (void)testPing { + // NOT SUPPORTED + // [self testIndividualCase:"ping"]; +} + +- (void)testPingPongStreaming { + [self testIndividualCase:"ping_pong_streaming"]; +} + +- (void)testRegisteredCall { + [self testIndividualCase:"registered_call"]; +} + +- (void)testRequestWithFlags { + // NOT SUPPORTED + // [self testIndividualCase:"request_with_flags"]; +} + +- (void)testRequestWithPayload { + [self testIndividualCase:"request_with_payload"]; +} + +- (void)testServerFinishesRequest { + [self testIndividualCase:"server_finishes_request"]; +} + +- (void)testShutdownFinishesCalls { + [self testIndividualCase:"shutdown_finishes_calls"]; +} + +- (void)testShutdownFinishesTags { + [self testIndividualCase:"shutdown_finishes_tags"]; +} + +- (void)testSimpleDelayedRequest { + [self testIndividualCase:"simple_delayed_request"]; +} + +- (void)testSimpleMetadata { + [self testIndividualCase:"simple_metadata"]; +} + +- (void)testSimpleRequest { + [self testIndividualCase:"simple_request"]; +} + +- (void)testStreamingErrorResponse { + [self testIndividualCase:"streaming_error_response"]; +} + +- (void)testTrailingMetadata { + [self testIndividualCase:"trailing_metadata"]; +} + +@end From a79de37daf214d415372751fe35ae362772c393e Mon Sep 17 00:00:00 2001 From: Muxi Yan Date: Fri, 14 Oct 2016 14:27:02 -0700 Subject: [PATCH 2/3] Clean format with clang-format --- .../CoreCronetEnd2EndTests.m | 74 +++++++++---------- 1 file changed, 35 insertions(+), 39 deletions(-) diff --git a/src/objective-c/tests/CoreCronetEnd2EndTests/CoreCronetEnd2EndTests.m b/src/objective-c/tests/CoreCronetEnd2EndTests/CoreCronetEnd2EndTests.m index 5f35204127c..d5d8d230a0a 100644 --- a/src/objective-c/tests/CoreCronetEnd2EndTests/CoreCronetEnd2EndTests.m +++ b/src/objective-c/tests/CoreCronetEnd2EndTests/CoreCronetEnd2EndTests.m @@ -42,7 +42,6 @@ * */ - #import #include "test/core/end2end/end2end_tests.h" @@ -62,26 +61,26 @@ #include "test/core/util/port.h" #include "test/core/util/test_config.h" -#include #import +#include typedef struct fullstack_secure_fixture_data { char *localaddr; } fullstack_secure_fixture_data; static grpc_end2end_test_fixture chttp2_create_fixture_secure_fullstack( - grpc_channel_args *client_args, grpc_channel_args *server_args) { + grpc_channel_args *client_args, grpc_channel_args *server_args) { grpc_end2end_test_fixture f; int port = grpc_pick_unused_port_or_die(); fullstack_secure_fixture_data *ffd = - gpr_malloc(sizeof(fullstack_secure_fixture_data)); + gpr_malloc(sizeof(fullstack_secure_fixture_data)); memset(&f, 0, sizeof(f)); - + gpr_join_host_port(&ffd->localaddr, "127.0.0.1", port); - + f.fixture_data = ffd; f.cq = grpc_completion_queue_create(NULL); - + return f; } @@ -93,18 +92,18 @@ static void process_auth_failure(void *state, grpc_auth_context *ctx, cb(user_data, NULL, 0, NULL, 0, GRPC_STATUS_UNAUTHENTICATED, NULL); } -static void cronet_init_client_secure_fullstack( - grpc_end2end_test_fixture *f, grpc_channel_args *client_args, +static void cronet_init_client_secure_fullstack(grpc_end2end_test_fixture *f, + grpc_channel_args *client_args, cronet_engine *cronetEngine) { fullstack_secure_fixture_data *ffd = f->fixture_data; - f->client = - grpc_cronet_secure_channel_create(cronetEngine, ffd->localaddr, client_args, NULL); + f->client = grpc_cronet_secure_channel_create(cronetEngine, ffd->localaddr, + client_args, NULL); GPR_ASSERT(f->client != NULL); } static void chttp2_init_server_secure_fullstack( - grpc_end2end_test_fixture *f, grpc_channel_args *server_args, - grpc_server_credentials *server_creds) { + grpc_end2end_test_fixture *f, grpc_channel_args *server_args, + grpc_server_credentials *server_creds) { fullstack_secure_fixture_data *ffd = f->fixture_data; if (f->server) { grpc_server_destroy(f->server); @@ -124,7 +123,7 @@ static void chttp2_tear_down_secure_fullstack(grpc_end2end_test_fixture *f) { } static void cronet_init_client_simple_ssl_secure_fullstack( - grpc_end2end_test_fixture *f, grpc_channel_args *client_args) { + grpc_end2end_test_fixture *f, grpc_channel_args *client_args) { static bool done = false; // TODO (makdharma): DO NOT CHECK IN THIS HACK!!! if (!done) { @@ -133,13 +132,14 @@ static void cronet_init_client_simple_ssl_secure_fullstack( [Cronet setQuicEnabled:YES]; [Cronet enableTestCertVerifierForTesting]; NSURL *url = [[[NSFileManager defaultManager] - URLsForDirectory:NSDocumentDirectory inDomains:NSUserDomainMask] lastObject]; + URLsForDirectory:NSDocumentDirectory + inDomains:NSUserDomainMask] lastObject]; NSLog(@"Documents directory: %@", url); [Cronet start]; - [Cronet startNetLogToFile: @"Documents/cronet_netlog.json" logBytes:YES]; + [Cronet startNetLogToFile:@"Documents/cronet_netlog.json" logBytes:YES]; } cronet_engine *cronetEngine = [Cronet getGlobalEngine]; - + grpc_channel_args *new_client_args = grpc_channel_args_copy(client_args); cronet_init_client_secure_fullstack(f, new_client_args, cronetEngine); grpc_channel_args_destroy(new_client_args); @@ -158,11 +158,11 @@ static int fail_server_auth_check(grpc_channel_args *server_args) { } static void chttp2_init_server_simple_ssl_secure_fullstack( - grpc_end2end_test_fixture *f, grpc_channel_args *server_args) { + grpc_end2end_test_fixture *f, grpc_channel_args *server_args) { grpc_ssl_pem_key_cert_pair pem_cert_key_pair = {test_server1_key, - test_server1_cert}; + test_server1_cert}; grpc_server_credentials *ssl_creds = - grpc_ssl_server_credentials_create(NULL, &pem_cert_key_pair, 1, 0, NULL); + grpc_ssl_server_credentials_create(NULL, &pem_cert_key_pair, 1, 0, NULL); if (fail_server_auth_check(server_args)) { grpc_auth_metadata_processor processor = {process_auth_failure, NULL, NULL}; grpc_server_credentials_set_auth_metadata_processor(ssl_creds, processor); @@ -173,17 +173,15 @@ static void chttp2_init_server_simple_ssl_secure_fullstack( /* All test configurations */ static grpc_end2end_test_config configs[] = { - {"chttp2/simple_ssl_fullstack", - FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION | - FEATURE_MASK_SUPPORTS_PER_CALL_CREDENTIALS, - chttp2_create_fixture_secure_fullstack, - cronet_init_client_simple_ssl_secure_fullstack, - chttp2_init_server_simple_ssl_secure_fullstack, - chttp2_tear_down_secure_fullstack}, + {"chttp2/simple_ssl_fullstack", + FEATURE_MASK_SUPPORTS_DELAYED_CONNECTION | + FEATURE_MASK_SUPPORTS_PER_CALL_CREDENTIALS, + chttp2_create_fixture_secure_fullstack, + cronet_init_client_simple_ssl_secure_fullstack, + chttp2_init_server_simple_ssl_secure_fullstack, + chttp2_tear_down_secure_fullstack}, }; - - static char *roots_filename; @interface CoreCronetEnd2EndTests : XCTestCase @@ -192,18 +190,17 @@ static char *roots_filename; @implementation CoreCronetEnd2EndTests - // The setUp() function is run before the test cases run and only run once + (void)setUp { [super setUp]; FILE *roots_file; size_t roots_size = strlen(test_root_cert); - + char *argv[] = {"CoreCronetEnd2EndTests"}; grpc_test_init(1, argv); grpc_end2end_tests_pre_init(); - + /* Set the SSL roots env var. */ roots_file = gpr_tmpfile("chttp2_simple_ssl_fullstack_test", &roots_filename); GPR_ASSERT(roots_filename != NULL); @@ -211,32 +208,31 @@ static char *roots_filename; GPR_ASSERT(fwrite(test_root_cert, 1, roots_size, roots_file) == roots_size); fclose(roots_file); gpr_setenv(GRPC_DEFAULT_SSL_ROOTS_FILE_PATH_ENV_VAR, roots_filename); - + grpc_init(); - } // The tearDown() function is run after all test cases finish running + (void)tearDown { grpc_shutdown(); - + /* Cleanup. */ remove(roots_filename); gpr_free(roots_filename); - + [super tearDown]; } -- (void)testIndividualCase:(char*)test_case { +- (void)testIndividualCase:(char *)test_case { char *argv[] = {"h2_ssl", test_case}; - + for (int i = 0; i < sizeof(configs) / sizeof(*configs); i++) { grpc_end2end_tests(sizeof(argv) / sizeof(argv[0]), argv, configs[i]); } } // TODO(mxyan): Use NSStringFromSelector(_cmd) to acquire test name from the -// test case method name, so that bodies of test cases can stay identical +// test case method name, so that bodies of test cases can stay identical - (void)testBadHostname { [self testIndividualCase:"bad_hostname"]; } From 44b673c76334152a514f5c6b1e9ff516f805a9c8 Mon Sep 17 00:00:00 2001 From: Muxi Yan Date: Mon, 17 Oct 2016 10:39:32 -0700 Subject: [PATCH 3/3] Remove makarandd's TODO hack --- .../CoreCronetEnd2EndTests.m | 23 ++++++++----------- 1 file changed, 9 insertions(+), 14 deletions(-) diff --git a/src/objective-c/tests/CoreCronetEnd2EndTests/CoreCronetEnd2EndTests.m b/src/objective-c/tests/CoreCronetEnd2EndTests/CoreCronetEnd2EndTests.m index d5d8d230a0a..e50f66d9d9a 100644 --- a/src/objective-c/tests/CoreCronetEnd2EndTests/CoreCronetEnd2EndTests.m +++ b/src/objective-c/tests/CoreCronetEnd2EndTests/CoreCronetEnd2EndTests.m @@ -124,20 +124,6 @@ static void chttp2_tear_down_secure_fullstack(grpc_end2end_test_fixture *f) { static void cronet_init_client_simple_ssl_secure_fullstack( grpc_end2end_test_fixture *f, grpc_channel_args *client_args) { - static bool done = false; - // TODO (makdharma): DO NOT CHECK IN THIS HACK!!! - if (!done) { - done = true; - [Cronet setHttp2Enabled:YES]; - [Cronet setQuicEnabled:YES]; - [Cronet enableTestCertVerifierForTesting]; - NSURL *url = [[[NSFileManager defaultManager] - URLsForDirectory:NSDocumentDirectory - inDomains:NSUserDomainMask] lastObject]; - NSLog(@"Documents directory: %@", url); - [Cronet start]; - [Cronet startNetLogToFile:@"Documents/cronet_netlog.json" logBytes:YES]; - } cronet_engine *cronetEngine = [Cronet getGlobalEngine]; grpc_channel_args *new_client_args = grpc_channel_args_copy(client_args); @@ -210,6 +196,15 @@ static char *roots_filename; gpr_setenv(GRPC_DEFAULT_SSL_ROOTS_FILE_PATH_ENV_VAR, roots_filename); grpc_init(); + + [Cronet setHttp2Enabled:YES]; + [Cronet enableTestCertVerifierForTesting]; + NSURL *url = [[[NSFileManager defaultManager] + URLsForDirectory:NSDocumentDirectory + inDomains:NSUserDomainMask] lastObject]; + NSLog(@"Documents directory: %@", url); + [Cronet start]; + [Cronet startNetLogToFile:@"Documents/cronet_netlog.json" logBytes:YES]; } // The tearDown() function is run after all test cases finish running