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Diffstat (limited to '')
| -rw-r--r-- | netwerk/test/mochitests/partial_content.sjs | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/netwerk/test/mochitests/partial_content.sjs b/netwerk/test/mochitests/partial_content.sjs new file mode 100644 index 0000000000..67bfff377a --- /dev/null +++ b/netwerk/test/mochitests/partial_content.sjs @@ -0,0 +1,193 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/* Debug and Error wrapper functions for dump(). + */ +function ERR(response, responseCode, responseCodeStr, msg) { + // Reset state var. + setState("expectedRequestType", ""); + // Dump to console log and send to client in response. + dump("SERVER ERROR: " + msg + "\n"); + response.write("HTTP/1.1 " + responseCode + " " + responseCodeStr + "\r\n"); + response.write("Content-Type: text/html; charset=UTF-8\r\n"); + response.write("Content-Length: " + msg.length + "\r\n"); + response.write("\r\n"); + response.write(msg); +} + +function DBG(msg) { + // Dump to console only. + dump("SERVER DEBUG: " + msg + "\n"); +} + +/* Delivers content in parts to test partially cached content: requires two + * requests for the same resource. + * + * First call will respond with partial content, but a 200 header and + * Content-Length equal to the full content length. No Range or If-Range + * headers are allowed in the request. + * + * Second call will require Range and If-Range in the request headers, and + * will respond with the range requested. + */ +function handleRequest(request, response) { + DBG("Trying to seize power"); + response.seizePower(); + + DBG("About to check state vars"); + // Get state var to determine if this is the first or second request. + var expectedRequestType; + var lastModified; + if (getState("expectedRequestType") === "") { + DBG("First call: Should be requesting full content."); + expectedRequestType = "fullRequest"; + // Set state var for second request. + setState("expectedRequestType", "partialRequest"); + // Create lastModified variable for responses. + lastModified = new Date().toUTCString(); + setState("lastModified", lastModified); + } else if (getState("expectedRequestType") === "partialRequest") { + DBG("Second call: Should be requesting undelivered content."); + expectedRequestType = "partialRequest"; + // Reset state var for first request. + setState("expectedRequestType", ""); + // Get last modified date and reset state var. + lastModified = getState("lastModified"); + } else { + ERR( + response, + 500, + "Internal Server Error", + 'Invalid expectedRequestType "' + + expectedRequestType + + '"in ' + + "server state db." + ); + return; + } + + // Look for Range and If-Range + var range = request.hasHeader("Range") ? request.getHeader("Range") : ""; + var ifRange = request.hasHeader("If-Range") + ? request.getHeader("If-Range") + : ""; + + if (expectedRequestType === "fullRequest") { + // Should not have Range or If-Range in first request. + if (range && range.length) { + ERR( + response, + 400, + "Bad Request", + 'Should not receive "Range: ' + range + '" for first, full request.' + ); + return; + } + if (ifRange && ifRange.length) { + ERR( + response, + 400, + "Bad Request", + 'Should not receive "Range: ' + range + '" for first, full request.' + ); + return; + } + } else if (expectedRequestType === "partialRequest") { + // Range AND If-Range should both be present in second request. + if (!range) { + ERR( + response, + 400, + "Bad Request", + 'Should receive "Range: " for second, partial request.' + ); + return; + } + if (!ifRange) { + ERR( + response, + 400, + "Bad Request", + 'Should receive "If-Range: " for second, partial request.' + ); + return; + } + } else { + // Somewhat redundant, but a check for errors in this test code. + ERR( + response, + 500, + "Internal Server Error", + 'expectedRequestType not set correctly: "' + expectedRequestType + '"' + ); + return; + } + + // Prepare content in two parts for responses. + var partialContent = + '<html><head></head><body><p id="firstResponse">First response</p>'; + var remainderContent = + '<p id="secondResponse">Second response</p></body></html>'; + var totalLength = partialContent.length + remainderContent.length; + + DBG("totalLength: " + totalLength); + + // Prepare common headers for the two responses. + let date = new Date(); + DBG("Date: " + date.toUTCString() + ", Last-Modified: " + lastModified); + var commonHeaders = + "Date: " + + date.toUTCString() + + "\r\n" + + "Last-Modified: " + + lastModified + + "\r\n" + + "Content-Type: text/html; charset=UTF-8\r\n" + + "ETag: abcd0123\r\n" + + "Accept-Ranges: bytes\r\n"; + + // Prepare specific headers and content for first and second responses. + if (expectedRequestType === "fullRequest") { + DBG("First response: Sending partial content with a full header"); + response.write("HTTP/1.1 200 OK\r\n"); + response.write(commonHeaders); + // Set Content-Length to full length of resource. + response.write("Content-Length: " + totalLength + "\r\n"); + response.write("\r\n"); + response.write(partialContent); + } else if (expectedRequestType === "partialRequest") { + DBG("Second response: Sending remaining content with a range header"); + response.write("HTTP/1.1 206 Partial Content\r\n"); + response.write(commonHeaders); + // Set Content-Length to length of bytes transmitted. + response.write("Content-Length: " + remainderContent.length + "\r\n"); + response.write( + "Content-Range: bytes " + + partialContent.length + + "-" + + (totalLength - 1) + + "/" + + totalLength + + "\r\n" + ); + response.write("\r\n"); + response.write(remainderContent); + } else { + // Somewhat redundant, but a check for errors in this test code. + ERR( + response, + 500, + "Internal Server Error", + "Something very bad happened here: expectedRequestType is invalid " + + 'towards the end of handleRequest! - "' + + expectedRequestType + + '"' + ); + return; + } + + response.finish(); +} |