|
| 1 | +<!DOCTYPE html> |
| 2 | +<head> |
| 3 | +<meta charset="utf-8"> |
| 4 | +<meta name="timeout" content="long"/> |
| 5 | +<script src="/resources/testharness.js"></script> |
| 6 | +<script src="/resources/testharnessreport.js"></script> |
| 7 | +<script src="/common/get-host-info.sub.js"></script> |
| 8 | +<script src="./resources/compression-dictionary-util.sub.js"></script> |
| 9 | +</head> |
| 10 | +<body> |
| 11 | +<script> |
| 12 | + |
| 13 | +// This is a set of tests for the dictionary itself being compressed, both by |
| 14 | +// non-dictionary content encodings and dictionary encodings. The encoding used |
| 15 | +// for the dictionary itself is independent of the encoding used for the data |
| 16 | +// so the test uses different encodings just to make sure that the dictionaries |
| 17 | +// don't carry any encoding-specific dependencies. |
| 18 | + |
| 19 | +compression_dictionary_promise_test(async (t) => { |
| 20 | + const dictionaryUrl = |
| 21 | + `${SAME_ORIGIN_RESOURCES_URL}/register-dictionary.py?content_encoding=gzip`; |
| 22 | + const dict = await (await fetch(dictionaryUrl)).text(); |
| 23 | + assert_equals(dict, kDefaultDictionaryContent); |
| 24 | + const dictionary_hash = await waitUntilAvailableDictionaryHeader(t, {}); |
| 25 | + assert_equals(dictionary_hash, kDefaultDictionaryHashBase64); |
| 26 | + |
| 27 | + // Check if the data compressed using the dictionary can be decompressed. |
| 28 | + const data_url = `${kCompressedDataPath}?content_encoding=dcb`; |
| 29 | + const data = await (await fetch(data_url)).text(); |
| 30 | + assert_equals(data, kExpectedCompressedData); |
| 31 | +}, 'Decompresion using gzip-encoded dictionary works as expected'); |
| 32 | + |
| 33 | +compression_dictionary_promise_test(async (t) => { |
| 34 | + const dictionaryUrl = |
| 35 | + `${SAME_ORIGIN_RESOURCES_URL}/register-dictionary.py?content_encoding=br`; |
| 36 | + const dict = await (await fetch(dictionaryUrl)).text(); |
| 37 | + assert_equals(dict, kDefaultDictionaryContent); |
| 38 | + const dictionary_hash = await waitUntilAvailableDictionaryHeader(t, {}); |
| 39 | + assert_equals(dictionary_hash, kDefaultDictionaryHashBase64); |
| 40 | + |
| 41 | + // Check if the data compressed using the dictionary can be decompressed. |
| 42 | + const data_url = `${kCompressedDataPath}?content_encoding=dcz`; |
| 43 | + const data = await (await fetch(data_url)).text(); |
| 44 | + assert_equals(data, kExpectedCompressedData); |
| 45 | +}, 'Decompresion using Brotli-encoded dictionary works as expected'); |
| 46 | + |
| 47 | +compression_dictionary_promise_test(async (t) => { |
| 48 | + const dictionaryUrl = |
| 49 | + `${SAME_ORIGIN_RESOURCES_URL}/register-dictionary.py?content_encoding=zstd`; |
| 50 | + const dict = await (await fetch(dictionaryUrl)).text(); |
| 51 | + assert_equals(dict, kDefaultDictionaryContent); |
| 52 | + const dictionary_hash = await waitUntilAvailableDictionaryHeader(t, {}); |
| 53 | + assert_equals(dictionary_hash, kDefaultDictionaryHashBase64); |
| 54 | + |
| 55 | + // Check if the data compressed using Brotli with the dictionary can be |
| 56 | + // decompressed (Zstandard decompression of the data is tested separately). |
| 57 | + const data_url = `${kCompressedDataPath}?content_encoding=dcb`; |
| 58 | + const data = await (await fetch(data_url)).text(); |
| 59 | + assert_equals(data, kExpectedCompressedData); |
| 60 | +}, 'Decompresion using Zstandard-encoded dictionary works as expected'); |
| 61 | + |
| 62 | +compression_dictionary_promise_test(async (t) => { |
| 63 | + const dictionaryUrl = `${SAME_ORIGIN_RESOURCES_URL}/register-dictionary.py?id=id1`; |
| 64 | + const dict = await (await fetch(dictionaryUrl)).text(); |
| 65 | + assert_equals(dict, kDefaultDictionaryContent); |
| 66 | + assert_equals( |
| 67 | + await waitUntilAvailableDictionaryHeader(t, {}), |
| 68 | + kDefaultDictionaryHashBase64); |
| 69 | + |
| 70 | + // Register another dictionary, compressed with dcb using the first dictionary. |
| 71 | + const compressedDictionaryUrl = |
| 72 | + `${SAME_ORIGIN_RESOURCES_URL}/register-dictionary.py?content_encoding=dcb&id=id2`; |
| 73 | + const dict2 = await (await fetch(compressedDictionaryUrl)).text(); |
| 74 | + assert_equals(dict2, kDefaultDictionaryContent); |
| 75 | + await waitUntilHeader(t, "dictionary-id", {expected_header: '"id2"'}); |
| 76 | + |
| 77 | + // Check if the data compressed using dcz with the updated dictionary works. |
| 78 | + const data_url = `${SAME_ORIGIN_RESOURCES_URL}/compressed-data.py?content_encoding=dcz`; |
| 79 | + const data = await (await fetch(data_url)).text(); |
| 80 | + assert_equals(data, kExpectedCompressedData); |
| 81 | +}, 'A dcb dictionary-compressed dictionary can be used as a dictionary for future requests.'); |
| 82 | + |
| 83 | +compression_dictionary_promise_test(async (t) => { |
| 84 | + const dictionaryUrl = `${SAME_ORIGIN_RESOURCES_URL}/register-dictionary.py?id=id1`; |
| 85 | + const dict = await (await fetch(dictionaryUrl)).text(); |
| 86 | + assert_equals(dict, kDefaultDictionaryContent); |
| 87 | + assert_equals( |
| 88 | + await waitUntilAvailableDictionaryHeader(t, {}), |
| 89 | + kDefaultDictionaryHashBase64); |
| 90 | + |
| 91 | + // Register another dictionary, compressed with dcz using the first dictionary. |
| 92 | + const compressedDictionaryUrl = |
| 93 | + `${SAME_ORIGIN_RESOURCES_URL}/register-dictionary.py?content_encoding=dcz&id=id2`; |
| 94 | + const dict2 = await (await fetch(compressedDictionaryUrl)).text(); |
| 95 | + assert_equals(dict2, kDefaultDictionaryContent); |
| 96 | + await waitUntilHeader(t, "dictionary-id", {expected_header: '"id2"'}); |
| 97 | + |
| 98 | + // Check if the data compressed using dcb with the updated dictionary works. |
| 99 | + const data_url = `${SAME_ORIGIN_RESOURCES_URL}/compressed-data.py?content_encoding=dcb`; |
| 100 | + const data = await (await fetch(data_url)).text(); |
| 101 | + assert_equals(data, kExpectedCompressedData); |
| 102 | +}, 'A dcz dictionary-compressed dictionary can be used as a dictionary for future requests.'); |
| 103 | + |
| 104 | +</script> |
| 105 | +</body> |
0 commit comments