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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "components/image_fetcher/core/image_data_fetcher.h" | 5 #include "components/image_fetcher/core/image_data_fetcher.h" |
6 | 6 |
7 #include <memory> | 7 #include <memory> |
8 | 8 |
9 #include "base/callback.h" | 9 #include "base/callback.h" |
10 #include "base/macros.h" | 10 #include "base/macros.h" |
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194 // multiple URLFetchers being created. | 194 // multiple URLFetchers being created. |
195 net::TestURLFetcher* test_url_fetcher = fetcher_factory_.GetFetcherByID(0); | 195 net::TestURLFetcher* test_url_fetcher = fetcher_factory_.GetFetcherByID(0); |
196 ASSERT_NE(nullptr, test_url_fetcher); | 196 ASSERT_NE(nullptr, test_url_fetcher); |
197 test_url_fetcher->delegate()->OnURLFetchComplete(test_url_fetcher); | 197 test_url_fetcher->delegate()->OnURLFetchComplete(test_url_fetcher); |
198 | 198 |
199 test_url_fetcher = fetcher_factory_.GetFetcherByID(1); | 199 test_url_fetcher = fetcher_factory_.GetFetcherByID(1); |
200 ASSERT_NE(nullptr, test_url_fetcher); | 200 ASSERT_NE(nullptr, test_url_fetcher); |
201 test_url_fetcher->delegate()->OnURLFetchComplete(test_url_fetcher); | 201 test_url_fetcher->delegate()->OnURLFetchComplete(test_url_fetcher); |
202 } | 202 } |
203 | 203 |
| 204 TEST_F(ImageDataFetcherTest, FetchImageData_CancelFetchIfImageExceedsMaxSize) { |
| 205 // In order to know whether the fetcher was canceled, it must notify about its |
| 206 // deletion. |
| 207 fetcher_factory_.set_remove_fetcher_on_delete(true); |
| 208 |
| 209 const int64_t kMaxDownloadBytes = 1024 * 1024; |
| 210 image_data_fetcher_.SetImageDownloadLimit(kMaxDownloadBytes); |
| 211 image_data_fetcher_.FetchImageData( |
| 212 GURL(kImageURL), base::Bind(&ImageDataFetcherTest::OnImageDataFetched, |
| 213 base::Unretained(this))); |
| 214 |
| 215 // Fetching an oversized image will behave like any other failed request. |
| 216 // There will be exactly one call to OnImageDataFetched containing a response |
| 217 // code that would be impossible for a completed fetch. |
| 218 RequestMetadata expected_metadata; |
| 219 expected_metadata.http_response_code = net::URLFetcher::RESPONSE_CODE_INVALID; |
| 220 EXPECT_CALL(*this, OnImageDataFetched(std::string(), expected_metadata)); |
| 221 |
| 222 // Get and configure the TestURLFetcher. |
| 223 net::TestURLFetcher* test_url_fetcher = fetcher_factory_.GetFetcherByID(0); |
| 224 ASSERT_NE(nullptr, test_url_fetcher); |
| 225 |
| 226 // Create a completely valid response that is never used. This is to make sure |
| 227 // that the answer isn't accidentally invalid but intentionally. |
| 228 test_url_fetcher->set_status( |
| 229 net::URLRequestStatus(net::URLRequestStatus::SUCCESS, net::OK)); |
| 230 test_url_fetcher->SetResponseString(kURLResponseData); |
| 231 test_url_fetcher->set_response_code(net::HTTP_OK); |
| 232 std::string raw_header = |
| 233 "HTTP/1.1 200 OK\n" |
| 234 "Content-type: image/png\n\n"; |
| 235 std::replace(raw_header.begin(), raw_header.end(), '\n', '\0'); |
| 236 scoped_refptr<net::HttpResponseHeaders> headers( |
| 237 new net::HttpResponseHeaders(raw_header)); |
| 238 test_url_fetcher->set_response_headers(headers); |
| 239 |
| 240 test_url_fetcher->delegate()->OnURLFetchDownloadProgress( |
| 241 test_url_fetcher, |
| 242 /*current=*/0, // Bytes received up to the call. |
| 243 /*total=*/-1, // not determined |
| 244 /*current_network_bytes=*/0); // not relevant |
| 245 // The URL fetch should be running ... |
| 246 ASSERT_NE(nullptr, fetcher_factory_.GetFetcherByID(0)); |
| 247 |
| 248 test_url_fetcher->delegate()->OnURLFetchDownloadProgress( |
| 249 test_url_fetcher, |
| 250 768 * 1024, // Current bytes are not exeeding the limit. |
| 251 /*total=*/-1, /*current_network_bytes=*/0); |
| 252 // ... and running ... |
| 253 ASSERT_NE(nullptr, fetcher_factory_.GetFetcherByID(0)); |
| 254 |
| 255 test_url_fetcher->delegate()->OnURLFetchDownloadProgress( |
| 256 test_url_fetcher, kMaxDownloadBytes, // Still not exeeding the limit. |
| 257 /*total=*/-1, /*current_network_bytes=*/0); |
| 258 // ... and running ... |
| 259 ASSERT_NE(nullptr, fetcher_factory_.GetFetcherByID(0)); |
| 260 |
| 261 test_url_fetcher->delegate()->OnURLFetchDownloadProgress( |
| 262 test_url_fetcher, kMaxDownloadBytes + 1, // Limits are exceeded. |
| 263 /*total=*/-1, /*current_network_bytes=*/0); |
| 264 // ... and be canceled. |
| 265 EXPECT_EQ(nullptr, fetcher_factory_.GetFetcherByID(0)); |
| 266 } |
| 267 |
204 } // namespace image_fetcher | 268 } // namespace image_fetcher |
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