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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.
-
-function jsonp(obj) {
- T(jsonp_flag == 0);
- T(obj.results.length == 1 && obj.last_seq==1, "jsonp")
- jsonp_flag = 1;
-}
-
-couchTests.changes = function(debug) {
- var db = new CouchDB("test_suite_db", {"X-Couch-Full-Commit":"true"});
- 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, "empty db")
- var docFoo = {_id:"foo", bar:1};
- T(db.save(docFoo).ok);
- T(db.ensureFullCommit().ok);
- T(db.open(docFoo._id)._id == docFoo._id);
-
- req = CouchDB.request("GET", "/test_suite_db/_changes");
- var resp = JSON.parse(req.responseText);
-
- T(resp.last_seq == 1);
- T(resp.results.length == 1, "one doc db")
- T(resp.results[0].changes[0].rev == docFoo._rev)
-
- // test with callback
-
- run_on_modified_server(
- [{section: "httpd",
- key: "allow_jsonp",
- value: "true"}],
- function() {
- var xhr = CouchDB.request("GET", "/test_suite_db/_changes?callback=jsonp");
- T(xhr.status == 200);
- jsonp_flag = 0;
- eval(xhr.responseText);
- T(jsonp_flag == 1);
- });
-
- req = CouchDB.request("GET", "/test_suite_db/_changes?feed=continuous&timeout=10");
- var lines = req.responseText.split("\n");
- T(JSON.parse(lines[0]).changes[0].rev == docFoo._rev);
- T(JSON.parse(lines[1]).last_seq == 1);
-
- var xhr;
-
- try {
- xhr = CouchDB.newXhr();
- } catch (err) {
- }
-
- // poor man's browser detection
- var is_safari = false;
- if(typeof(navigator) == "undefined") {
- is_safari = true; // For CouchHTTP based runners
- } else if(navigator.userAgent.match(/AppleWebKit/)) {
- is_safari = true;
- };
- if (!is_safari && xhr) {
- // Only test the continuous stuff if we have a real XHR object
- // with real async support.
-
- // WebKit (last checked on nightly #47686) does fail on processing
- // the async-request properly while javascript is executed.
-
- xhr.open("GET", "/test_suite_db/_changes?feed=continuous&timeout=500", true);
- xhr.send("");
-
- var docBar = {_id:"bar", bar:1};
- db.save(docBar);
-
- var lines, change1, change2;
- waitForSuccess(function() {
- lines = xhr.responseText.split("\n");
- change1 = JSON.parse(lines[0]);
- change2 = JSON.parse(lines[1]);
- if (change2.seq != 2) {
- throw "bad seq, try again"
- }
- }, "bar-only");
-
- T(change1.seq == 1)
- T(change1.id == "foo")
-
- T(change2.seq == 2)
- T(change2.id == "bar")
- T(change2.changes[0].rev == docBar._rev)
-
-
- var docBaz = {_id:"baz", baz:1};
- db.save(docBaz);
-
- var change3;
- waitForSuccess(function() {
- lines = xhr.responseText.split("\n");
- change3 = JSON.parse(lines[2]);
- if (change3.seq != 3) {
- throw "bad seq, try again"
- }
- });
-
- T(change3.seq == 3);
- T(change3.id == "baz");
- T(change3.changes[0].rev == docBaz._rev);
-
-
- xhr = CouchDB.newXhr();
-
- //verify the hearbeat newlines are sent
- xhr.open("GET", "/test_suite_db/_changes?feed=continuous&heartbeat=10&timeout=500", true);
- xhr.send("");
-
- var str;
- waitForSuccess(function() {
- str = xhr.responseText;
- if (str.charAt(str.length - 1) != "\n" || str.charAt(str.length - 2) != "\n") {
- throw("keep waiting");
- }
- }, "heartbeat");
-
- T(str.charAt(str.length - 1) == "\n")
- T(str.charAt(str.length - 2) == "\n")
-
- // otherwise we'll continue to receive heartbeats forever
- xhr.abort();
-
- // test longpolling
- xhr = CouchDB.newXhr();
-
- xhr.open("GET", "/test_suite_db/_changes?feed=longpoll", true);
- xhr.send("");
-
- waitForSuccess(function() {
- lines = xhr.responseText.split("\n");
- if (lines[5] != '"last_seq":3}') {
- throw("still waiting");
- }
- }, "last_seq");
-
- xhr = CouchDB.newXhr();
-
- xhr.open("GET", "/test_suite_db/_changes?feed=longpoll&since=3", true);
- xhr.send("");
-
- var docBarz = {_id:"barz", bar:1};
- db.save(docBarz);
-
- var parse_changes_line = function(line) {
- if (line.charAt(line.length-1) == ",") {
- var linetrimmed = line.substring(0, line.length-1);
- } else {
- var linetrimmed = line
- }
- return JSON.parse(linetrimmed);
- }
-
- waitForSuccess(function() {
- lines = xhr.responseText.split("\n");
- if (lines[3] != '"last_seq":4}') {
- throw("still waiting");
- }
- }, "change_lines");
-
- var change = parse_changes_line(lines[1]);
- T(change.seq == 4);
- T(change.id == "barz");
- T(change.changes[0].rev == docBarz._rev);
- T(lines[3]=='"last_seq":4}');
- }
-
- // test the filtered changes
- var ddoc = {
- _id : "_design/changes_filter",
- "filters" : {
- "bop" : "function(doc, req) { return (doc.bop);}",
- "dynamic" : stringFun(function(doc, req) {
- var field = req.query.field;
- return doc[field];
- }),
- "userCtx" : stringFun(function(doc, req) {
- return doc.user && (doc.user == req.userCtx.name);
- }),
- "conflicted" : "function(doc, req) { return (doc._conflicts);}",
- },
- options : {
- local_seq : true
- },
- views : {
- local_seq : {
- map : "function(doc) {emit(doc._local_seq, null)}"
- }
- }
- }
-
- db.save(ddoc);
-
- var req = CouchDB.request("GET", "/test_suite_db/_changes?filter=changes_filter/bop");
- var resp = JSON.parse(req.responseText);
- T(resp.results.length == 0);
-
- db.save({"bop" : "foom"});
- db.save({"bop" : false});
-
- var req = CouchDB.request("GET", "/test_suite_db/_changes?filter=changes_filter/bop");
- var resp = JSON.parse(req.responseText);
- T(resp.results.length == 1, "filtered/bop");
-
- req = CouchDB.request("GET", "/test_suite_db/_changes?filter=changes_filter/dynamic&field=woox");
- resp = JSON.parse(req.responseText);
- T(resp.results.length == 0);
-
- req = CouchDB.request("GET", "/test_suite_db/_changes?filter=changes_filter/dynamic&field=bop");
- resp = JSON.parse(req.responseText);
- T(resp.results.length == 1, "changes_filter/dynamic&field=bop");
-
- if (!is_safari && xhr) { // full test requires parallel connections
- // filter with longpoll
- // longpoll filters full history when run without a since seq
- xhr = CouchDB.newXhr();
- xhr.open("GET", "/test_suite_db/_changes?feed=longpoll&filter=changes_filter/bop", false);
- xhr.send("");
- var resp = JSON.parse(xhr.responseText);
- T(resp.last_seq == 7);
- // longpoll waits until a matching change before returning
- xhr = CouchDB.newXhr();
- xhr.open("GET", "/test_suite_db/_changes?feed=longpoll&since=7&filter=changes_filter/bop", true);
- xhr.send("");
- db.save({"_id":"falsy", "bop" : ""}); // empty string is falsy
- db.save({"_id":"bingo","bop" : "bingo"});
-
- waitForSuccess(function() {
- resp = JSON.parse(xhr.responseText);
- }, "longpoll-since");
-
- T(resp.last_seq == 9);
- T(resp.results && resp.results.length > 0 && resp.results[0]["id"] == "bingo", "filter the correct update");
- xhr.abort();
-
- timeout = 500;
- last_seq = 10
- while (true) {
-
- // filter with continuous
- xhr = CouchDB.newXhr();
- xhr.open("GET", "/test_suite_db/_changes?feed=continuous&filter=changes_filter/bop&timeout="+timeout, true);
- xhr.send("");
-
- db.save({"_id":"rusty", "bop" : "plankton"});
- T(xhr.readyState != 4, "test client too slow");
- var rusty = db.open("rusty", {cache_bust : new Date()});
- T(rusty._id == "rusty");
-
- waitForSuccess(function() { // throws an error after 5 seconds
- if (xhr.readyState != 4) {
- throw("still waiting")
- }
- }, "continuous-rusty");
- lines = xhr.responseText.split("\n");
- try {
- JSON.parse(lines[3])
- good = true;
- } catch(e) {
- good = false;
- }
- if (good) {
- T(JSON.parse(lines[1]).id == "bingo", lines[1]);
- T(JSON.parse(lines[2]).id == "rusty", lines[2]);
- T(JSON.parse(lines[3]).last_seq == last_seq, lines[3]);
- break;
- } else {
- xhr.abort();
- db.deleteDoc(rusty);
- timeout = timeout * 2;
- last_seq = last_seq + 2;
- }
- }
- }
- // error conditions
-
- // non-existing design doc
- var req = CouchDB.request("GET",
- "/test_suite_db/_changes?filter=nothingtosee/bop");
- TEquals(404, req.status, "should return 404 for non existant design doc");
-
- // non-existing filter
- var req = CouchDB.request("GET",
- "/test_suite_db/_changes?filter=changes_filter/movealong");
- TEquals(404, req.status, "should return 404 for non existant filter fun");
-
- // both
- var req = CouchDB.request("GET",
- "/test_suite_db/_changes?filter=nothingtosee/movealong");
- TEquals(404, req.status,
- "should return 404 for non existant design doc and filter fun");
-
- // changes get all_docs style with deleted docs
- var doc = {a:1};
- db.save(doc);
- db.deleteDoc(doc);
- var req = CouchDB.request("GET",
- "/test_suite_db/_changes?filter=changes_filter/bop&style=all_docs");
- var resp = JSON.parse(req.responseText);
- var expect = (!is_safari && xhr) ? 3: 1;
- TEquals(expect, resp.results.length, "should return matching rows");
-
- // test for userCtx
- run_on_modified_server(
- [{section: "httpd",
- key: "authentication_handlers",
- value: "{couch_httpd_auth, special_test_authentication_handler}"},
- {section:"httpd",
- key: "WWW-Authenticate",
- value: "X-Couch-Test-Auth"}],
-
- function() {
- var authOpts = {"headers":{"WWW-Authenticate": "X-Couch-Test-Auth Chris Anderson:mp3"}};
-
- var req = CouchDB.request("GET", "/_session", authOpts);
- var resp = JSON.parse(req.responseText);
-
- T(db.save({"user" : "Noah Slater"}).ok);
- var req = CouchDB.request("GET", "/test_suite_db/_changes?filter=changes_filter/userCtx", authOpts);
- var resp = JSON.parse(req.responseText);
- T(resp.results.length == 0);
-
- var docResp = db.save({"user" : "Chris Anderson"});
- T(docResp.ok);
- T(db.ensureFullCommit().ok);
- req = CouchDB.request("GET", "/test_suite_db/_changes?filter=changes_filter/userCtx", authOpts);
- resp = JSON.parse(req.responseText);
- T(resp.results.length == 1, "userCtx");
- T(resp.results[0].id == docResp.id);
- }
- );
-
- req = CouchDB.request("GET", "/test_suite_db/_changes?limit=1");
- resp = JSON.parse(req.responseText);
- TEquals(1, resp.results.length)
-
- //filter includes _conflicts
- var id = db.save({'food' : 'pizza'}).id;
- db.bulkSave([{_id: id, 'food' : 'pasta'}], {all_or_nothing:true});
-
- req = CouchDB.request("GET", "/test_suite_db/_changes?filter=changes_filter/conflicted");
- resp = JSON.parse(req.responseText);
- T(resp.results.length == 1, "filter=changes_filter/conflicted");
-
- // test with erlang filter function
- run_on_modified_server([{
- section: "native_query_servers",
- key: "erlang",
- value: "{couch_native_process, start_link, []}"
- }], function() {
- var erl_ddoc = {
- _id: "_design/erlang",
- language: "erlang",
- filters: {
- foo:
- 'fun({Doc}, Req) -> ' +
- ' Value = couch_util:get_value(<<"value">>, Doc),' +
- ' (Value rem 2) =:= 0' +
- 'end.'
- }
- };
-
- db.deleteDb();
- db.createDb();
- T(db.save(erl_ddoc).ok);
-
- var req = CouchDB.request("GET", "/test_suite_db/_changes?filter=erlang/foo");
- var resp = JSON.parse(req.responseText);
- T(resp.results.length === 0);
-
- T(db.save({_id: "doc1", value : 1}).ok);
- T(db.save({_id: "doc2", value : 2}).ok);
- T(db.save({_id: "doc3", value : 3}).ok);
- T(db.save({_id: "doc4", value : 4}).ok);
-
- var req = CouchDB.request("GET", "/test_suite_db/_changes?filter=erlang/foo");
- var resp = JSON.parse(req.responseText);
- T(resp.results.length === 2);
- T(resp.results[0].id === "doc2");
- T(resp.results[1].id === "doc4");
- });
-
-};
-