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// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy of
// the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
couchTests.attachments_multipart= function(debug) {
var db = new CouchDB("test_suite_db", {"X-Couch-Full-Commit":"false"});
db.deleteDb();
db.createDb();
if (debug) debugger;
// mime multipart
xhr = CouchDB.request("PUT", "/test_suite_db/multipart", {
headers: {"Content-Type": "multipart/related;boundary=\"abc123\""},
body:
"--abc123\r\n" +
"content-type: application/json\r\n" +
"\r\n" +
JSON.stringify({
"body":"This is a body.",
"_attachments":{
"foo.txt": {
"follows":true,
"content_type":"text/plain",
"length":21
},
"bar.txt": {
"follows":true,
"content_type":"text/plain",
"length":20
},
"baz.txt": {
"follows":true,
"content_type":"text/plain",
"length":19
}
}
}) +
"\r\n--abc123\r\n" +
"\r\n" +
"this is 21 chars long" +
"\r\n--abc123\r\n" +
"\r\n" +
"this is 20 chars lon" +
"\r\n--abc123\r\n" +
"\r\n" +
"this is 19 chars lo" +
"\r\n--abc123--"
});
var result = JSON.parse(xhr.responseText);
T(result.ok)
TEquals(201, xhr.status, "should send 201 Accepted");
xhr = CouchDB.request("GET", "/test_suite_db/multipart/foo.txt");
T(xhr.responseText == "this is 21 chars long");
xhr = CouchDB.request("GET", "/test_suite_db/multipart/bar.txt");
T(xhr.responseText == "this is 20 chars lon");
xhr = CouchDB.request("GET", "/test_suite_db/multipart/baz.txt");
T(xhr.responseText == "this is 19 chars lo");
// now edit an attachment
var doc = db.open("multipart");
var firstrev = doc._rev;
T(doc._attachments["foo.txt"].stub == true);
T(doc._attachments["bar.txt"].stub == true);
T(doc._attachments["baz.txt"].stub == true);
//lets change attachment bar
delete doc._attachments["bar.txt"].stub; // remove stub member (or could set to false)
doc._attachments["bar.txt"].length = 18;
doc._attachments["bar.txt"].follows = true;
//lets delete attachment baz:
delete doc._attachments["baz.txt"];
var xhr = CouchDB.request("PUT", "/test_suite_db/multipart", {
headers: {"Content-Type": "multipart/related;boundary=\"abc123\""},
body:
"--abc123\r\n" +
"content-type: application/json\r\n" +
"\r\n" +
JSON.stringify(doc) +
"\r\n--abc123\r\n" +
"\r\n" +
"this is 18 chars l" +
"\r\n--abc123--"
});
xhr = CouchDB.request("GET", "/test_suite_db/multipart/bar.txt");
T(xhr.responseText == "this is 18 chars l");
xhr = CouchDB.request("GET", "/test_suite_db/multipart/baz.txt");
T(xhr.status == 404);
// now test receiving multipart docs
function getBoundary(xhr) {
var ctype = xhr.getResponseHeader("Content-Type");
var ctypeArgs = ctype.split("; ").slice(1);
var boundary = null;
for(var i=0; i<ctypeArgs.length; i++) {
if (ctypeArgs[i].indexOf("boundary=") == 0) {
boundary = ctypeArgs[i].split("=")[1];
if (boundary.charAt(0) == '"') {
// stringified boundary, parse as json
// (will maybe not if there are escape quotes)
boundary = JSON.parse(boundary);
}
}
}
return boundary;
}
function parseMultipart(xhr) {
var boundary = getBoundary(xhr);
var mimetext = xhr.responseText;
// strip off leading boundary
var leading = "--" + boundary + "\r\n";
var last = "\r\n--" + boundary + "--";
// strip off leading and trailing boundary
var leadingIdx = mimetext.indexOf(leading) + leading.length;
var trailingIdx = mimetext.indexOf(last);
mimetext = mimetext.slice(leadingIdx, trailingIdx);
// now split the sections
var sections = mimetext.split(new RegExp("\\r\\n--" + boundary));
// spilt out the headers for each section
for(var i=0; i < sections.length; i++) {
var section = sections[i];
var headerEndIdx = section.indexOf("\r\n\r\n");
var headersraw = section.slice(0, headerEndIdx).split(/\r\n/);
var body = section.slice(headerEndIdx + 4);
var headers = {};
for(var j=0; j<headersraw.length; j++) {
var tmp = headersraw[j].split(": ");
headers[tmp[0]] = tmp[1];
}
sections[i] = {"headers":headers, "body":body};
}
return sections;
}
xhr = CouchDB.request("GET", "/test_suite_db/multipart?attachments=true",
{headers:{"accept": "multipart/related,*/*;"}});
T(xhr.status == 200);
// parse out the multipart
var sections = parseMultipart(xhr);
T(sections.length == 3);
// The first section is the json doc. Check it's content-type. It contains
// the metadata for all the following attachments
T(sections[0].headers['content-type'] == "application/json");
var doc = JSON.parse(sections[0].body);
T(doc._attachments['foo.txt'].follows == true);
T(doc._attachments['bar.txt'].follows == true);
T(sections[1].body == "this is 21 chars long");
T(sections[2].body == "this is 18 chars l");
// now get attachments incrementally (only the attachments changes since
// a certain rev).
xhr = CouchDB.request("GET", "/test_suite_db/multipart?atts_since=[\"" + firstrev + "\"]",
{headers:{"accept": "multipart/related, */*"}});
T(xhr.status == 200);
var sections = parseMultipart(xhr);
T(sections.length == 2);
var doc = JSON.parse(sections[0].body);
T(doc._attachments['foo.txt'].stub == true);
T(doc._attachments['bar.txt'].follows == true);
T(sections[1].body == "this is 18 chars l");
// try it with a rev that doesn't exist (should get all attachments)
xhr = CouchDB.request("GET", "/test_suite_db/multipart?atts_since=[\"1-2897589\"]",
{headers:{"accept": "multipart/related,*/*;"}});
T(xhr.status == 200);
var sections = parseMultipart(xhr);
T(sections.length == 3);
var doc = JSON.parse(sections[0].body);
T(doc._attachments['foo.txt'].follows == true);
T(doc._attachments['bar.txt'].follows == true);
T(sections[1].body == "this is 21 chars long");
T(sections[2].body == "this is 18 chars l");
// try it with a rev that doesn't exist, and one that does
xhr = CouchDB.request("GET", "/test_suite_db/multipart?atts_since=[\"1-2897589\",\"" + firstrev + "\"]",
{headers:{"accept": "multipart/related,*/*;"}});
T(xhr.status == 200);
var sections = parseMultipart(xhr);
T(sections.length == 2);
var doc = JSON.parse(sections[0].body);
T(doc._attachments['foo.txt'].stub == true);
T(doc._attachments['bar.txt'].follows == true);
T(sections[1].body == "this is 18 chars l");
};
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