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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.changes = function(debug) {
var db = new CouchDB("test_suite_db");
db.deleteDb();
db.createDb();
if (debug) debugger;
var req = CouchDB.request("GET", "/test_suite_db/_changes");
var resp = JSON.parse(req.responseText);
T(resp.results.length == 0 && resp.last_seq==0)
var docFoo = {_id:"foo", bar:1};
db.save(docFoo);
req = CouchDB.request("GET", "/test_suite_db/_changes");
var resp = JSON.parse(req.responseText);
T(resp.results.length == 1 && resp.last_seq==1)
T(resp.results[0].changes[0].rev == docFoo._rev)
var xhr;
try {
xhr = CouchDB.newXhr();
} catch (err) {
}
if (xhr) {
// Only test the continuous stuff if we have a real XHR object
// with real async support.
var sleep = function(msecs) {
// by making a slow sync request, weallows the waiting XHR request data
// to be received.
var req = CouchDB.request("GET", "/_sleep?time=" + msecs);
T(JSON.parse(req.responseText).ok == true);
}
var parse_changes_line = function(line) {
if (line.charAt(line.length-1) == ",") {
line = line.substring(0, line.length-1);
}
return JSON.parse(line);
}
xhr.open("GET", "/test_suite_db/_changes?continuous=true", true);
xhr.send("");
var docBar = {_id:"bar", bar:1};
db.save(docBar);
sleep(100);
var lines = xhr.responseText.split("\n");
T(lines[0]='{"results":[');
var change = parse_changes_line(lines[1]);
T(change.seq == 1)
T(change.id == "foo")
change = parse_changes_line(lines[2]);
T(change.seq == 2)
T(change.id == "bar")
T(change.changes[0].rev == docBar._rev)
var docBaz = {_id:"baz", baz:1};
db.save(docBaz);
sleep(100);
var lines = xhr.responseText.split("\n");
change = parse_changes_line(lines[3]);
T(change.seq == 3);
T(change.id == "baz");
T(change.changes[0].rev == docBaz._rev);
}
};
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