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| (Empty) | |
| 1 <!doctype html> |
| 2 <html> |
| 3 <head> |
| 4 <meta charset="utf-8"> |
| 5 <title>Request ETag</title> |
| 6 <meta name="help" href="https://fetch.spec.whatwg.org/#request"> |
| 7 <script src="/resources/testharness.js"></script> |
| 8 <script src="/resources/testharnessreport.js"></script> |
| 9 <script src="/common/utils.js"></script> |
| 10 </head> |
| 11 <body> |
| 12 <script> |
| 13 promise_test(function() { |
| 14 var cacheBuster = token(); // ensures first request is uncached |
| 15 var url = "../resources/cache.py?v=" + cacheBuster; |
| 16 var etag; |
| 17 |
| 18 // make the first request |
| 19 return fetch(url).then(function(response) { |
| 20 // ensure we're getting the regular, uncached response |
| 21 assert_equals(response.status, 200); |
| 22 assert_equals(response.headers.get("X-HTTP-STATUS"), null) |
| 23 |
| 24 return response.text(); // consuming the body, just to be safe |
| 25 }).then(function(body) { |
| 26 // make a second request |
| 27 return fetch(url); |
| 28 }).then(function(response) { |
| 29 // while the server responds with 304 if our browser sent the correct |
| 30 // If-None-Match request header, at the JavaScript level this surfaces |
| 31 // as 200 |
| 32 assert_equals(response.status, 200); |
| 33 assert_equals(response.headers.get("X-HTTP-STATUS"), "304") |
| 34 |
| 35 etag = response.headers.get("ETag") |
| 36 |
| 37 return response.text(); // consuming the body, just to be safe |
| 38 }).then(function(body) { |
| 39 // make a third request, explicitly setting If-None-Match request header |
| 40 var headers = { "If-None-Match": etag } |
| 41 return fetch(url, { headers: headers }) |
| 42 }).then(function(response) { |
| 43 // 304 now surfaces thanks to the explicit If-None-Match request header |
| 44 assert_equals(response.status, 304); |
| 45 }); |
| 46 }, "Testing conditional GET with ETags"); |
| 47 |
| 48 done(); |
| 49 </script> |
| 50 </body> |
| 51 </html> |
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Chromium Code Reviews
Issue 2778753002:
Import //fetch from Web Platform Tests. (Closed)
