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| 1 <!doctype html> |
| 2 <!-- |
| 3 Copyright (c) 2014 The Polymer Project Authors. All rights reserved. |
| 4 This code may only be used under the BSD style license found at http://polymer.g
ithub.io/LICENSE.txt |
| 5 The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt |
| 6 The complete set of contributors may be found at http://polymer.github.io/CONTRI
BUTORS.txt |
| 7 Code distributed by Google as part of the polymer project is also |
| 8 subject to an additional IP rights grant found at http://polymer.github.io/PATEN
TS.txt |
| 9 --> |
| 10 <html> |
| 11 <head> |
| 12 <title>core-ajax</title> |
| 13 |
| 14 <script src="../../webcomponentsjs/webcomponents.js"></script> |
| 15 <script src="../../web-component-tester/browser.js"></script> |
| 16 |
| 17 |
| 18 |
| 19 <link rel="import" href="../core-ajax.html"> |
| 20 |
| 21 </head> |
| 22 <body> |
| 23 |
| 24 <core-ajax |
| 25 handleAs="json" |
| 26 auto></core-ajax> |
| 27 |
| 28 <!-- |
| 29 Test consistency of core-ajax's loading properties. |
| 30 --> |
| 31 <script> |
| 32 test('progress', function(done) { |
| 33 var ajax = document.querySelector("core-ajax"); |
| 34 var xhr = sinon.useFakeXMLHttpRequest(); |
| 35 var headers = { |
| 36 "Content-Type": "text/json" |
| 37 }; |
| 38 var body = '{"content": "plentiful"}' |
| 39 var requests = this.requests = []; |
| 40 xhr.onCreate = function (xhr) { |
| 41 requests.push(xhr); |
| 42 // Polymer inspects the xhr object for the precense of onprogress to d
etermine |
| 43 // whether to attach an event listener. |
| 44 xhr['onprogress'] = null; |
| 45 }; |
| 46 var progressEvent = function(lengthComputable, loaded, total) { |
| 47 var progress = new ProgressEvent('progress', { |
| 48 lengthComputable: lengthComputable, |
| 49 loaded: loaded, |
| 50 total: total |
| 51 }); |
| 52 return progress; |
| 53 } |
| 54 |
| 55 // Fake a file download by sending multiple progress events. |
| 56 async.series([ |
| 57 function(cb) { |
| 58 ajax.url="http://example.org/downloadLargeFile" |
| 59 cb(); |
| 60 }, |
| 61 flush, |
| 62 animationFrameFlush, |
| 63 function(cb) { |
| 64 requests[0].dispatchEvent(progressEvent(true, 10, 100)); |
| 65 cb(); |
| 66 }, |
| 67 flush, |
| 68 animationFrameFlush, |
| 69 function(cb) { |
| 70 assert(ajax.loading === true, |
| 71 "Request partially complete, but loading property was false."); |
| 72 var progress = ajax.progress; |
| 73 assert(progress.lengthComputable, "Progress should be computable"); |
| 74 assert(progress.loaded == 10, "Expected 10 bytes loaded, got " + progr
ess.loaded); |
| 75 assert(progress.total == 100, "Expected 100 bytes total, got " + progr
ess.total); |
| 76 cb(); |
| 77 }, |
| 78 animationFrameFlush, |
| 79 function(cb) { |
| 80 requests[0].dispatchEvent(progressEvent(true, 100, 100)); |
| 81 cb(); |
| 82 }, |
| 83 animationFrameFlush, |
| 84 function(cb) { |
| 85 assert(ajax.loading === true, |
| 86 "Request partially complete, but loading property was false."); |
| 87 var progress = ajax.progress; |
| 88 assert(progress.lengthComputable, "Progress should be computable"); |
| 89 assert(progress.loaded == 100, "Expected 10 bytes loaded, got " + prog
ress.loaded); |
| 90 assert(progress.total == 100, "Expected 100 bytes total, got " + progr
ess.total); |
| 91 cb(); |
| 92 }, |
| 93 function(cb) { |
| 94 requests[0].respond(200, headers, body); |
| 95 cb(); |
| 96 }, |
| 97 animationFrameFlush, |
| 98 function(cb) { |
| 99 assert(ajax.loading === false, |
| 100 "Request complete, but loading property was true."); |
| 101 assert(ajax.response.content === "plentiful", "response not parsed"); |
| 102 cb(); |
| 103 } |
| 104 ], done); |
| 105 }); |
| 106 </script> |
| 107 </body> |
| 108 </html> |
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