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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.stats = function(debug) {
-
- function newDb(name, doSetup) {
- var db = new CouchDB(name, {"X-Couch-Full-Commit": "false"});
- if(doSetup) {
- db.deleteDb();
- db.createDb();
- }
- return db;
- };
-
- function getStat(mod, key) {
- return CouchDB.requestStats(mod, key, true);
- };
-
- function doView(db) {
- var designDoc = {
- _id:"_design/test", // turn off couch.js id escaping?
- language: "javascript",
- views: {
- all_docs: {map: "function(doc) {emit(doc.integer, null);}"},
- }
- };
- db.save(designDoc);
- db.view("test/all_docs");
- };
-
- function runTest(mod, key, funcs) {
- var db = newDb("test_suite_db", true);
- if(funcs.setup) funcs.setup(db);
- var before = getStat(mod, key).current;
- if(funcs.run) funcs.run(db);
- var after = getStat(mod, key).current;
- if(funcs.test) funcs.test(before, after);
- }
-
- if (debug) debugger;
-
- (function() {
- var db = newDb("test_suite_db");
- db.deleteDb();
-
- var before = getStat("couchdb", "open_databases").current;
- db.createDb();
- var after = getStat("couchdb", "open_databases").current;
- TEquals(before+1, after, "Creating a db increments open db count.");
- })();
-
- runTest("couchdb", "open_databases", {
- setup: function() {restartServer();},
- run: function(db) {db.open("123");},
- test: function(before, after) {
- TEquals(before+1, after, "Opening a db increments open db count.");
- }
- });
-
- runTest("couchdb", "open_databases", {
- run: function(db) {db.deleteDb();},
- test: function(before, after) {
- TEquals(before-1, after, "Deleting a db decrements open db count.");
- }
- });
-
- (function() {
- restartServer();
- var max = 5;
-
- var testFun = function() {
- var pre_dbs = getStat("couchdb", "open_databases").current || 0;
- var pre_files = getStat("couchdb", "open_os_files").current || 0;
-
- var triggered = false;
- var db = null;
- for(var i = 0; i < max*2; i++) {
- while (true) {
- try {
- db = newDb("test_suite_db_" + i, true);
- break;
- } catch(e) {
- // all_dbs_active error!
- triggered = true;
- }
- }
-
- // Trigger a delayed commit
- db.save({_id: "" + i, "lang": "Awesome!"});
- }
- T(triggered, "We managed to force a all_dbs_active error.");
-
- var open_dbs = getStat("couchdb", "open_databases").current;
- TEquals(open_dbs > 0, true, "We actually opened some dbs.");
- TEquals(open_dbs, max, "We only have max db's open.");
-
- for(var i = 0; i < max * 2; i++) {
- newDb("test_suite_db_" + i).deleteDb();
- }
-
- var post_dbs = getStat("couchdb", "open_databases").current;
- var post_files = getStat("couchdb", "open_os_files").current;
- TEquals(pre_dbs, post_dbs, "We have the same number of open dbs.");
- TEquals(pre_files, post_files, "We have the same number of open files.");
- };
-
- run_on_modified_server(
- [{section: "couchdb", key: "max_dbs_open", value: "5"}],
- testFun
- );
- })();
-
- // Just fetching the before value is the extra +1 in test
- runTest("httpd", "requests", {
- run: function() {CouchDB.request("GET", "/");},
- test: function(before, after) {
- TEquals(before+2, after, "Request counts are incremented properly.");
- }
- });
-
- runTest("couchdb", "database_reads", {
- setup: function(db) {db.save({"_id": "test"});},
- run: function(db) {db.open("test");},
- test: function(before, after) {
- TEquals(before+1, after, "Reading a doc increments docs reads.");
- }
- });
-
- runTest("couchdb", "database_reads", {
- setup: function(db) {db.save({"_id": "test"});},
- run: function(db) {db.request("GET", "/");},
- test: function(before, after) {
- TEquals(before, after, "Only doc reads increment doc reads.");
- }
- });
-
- runTest("couchdb", "database_reads", {
- setup: function(db) {db.save({"_id": "test"});},
- run: function(db) {db.open("test", {"open_revs": "all"});},
- test: function(before, after) {
- TEquals(before+1, after, "Reading doc revs increments docs reads.");
- }
- });
-
- runTest("couchdb", "database_writes", {
- run: function(db) {db.save({"a": "1"});},
- test: function(before, after) {
- TEquals(before+1, after, "Saving docs incrememnts doc writes.");
- }
- });
-
- runTest("couchdb", "database_writes", {
- run: function(db) {
- CouchDB.request("POST", "/test_suite_db", {
- headers: {"Content-Type": "application/json"},
- body: '{"a": "1"}'
- })
- },
- test: function(before, after) {
- TEquals(before+1, after, "POST'ing new docs increments doc writes.");
- }
- })
-
- runTest("couchdb", "database_writes", {
- setup: function(db) {db.save({"_id": "test"});},
- run: function(db) {var doc = db.open("test"); db.save(doc);},
- test: function(before, after) {
- TEquals(before+1, after, "Updating docs incrememnts doc writes.");
- }
- });
-
- runTest("couchdb", "database_writes", {
- setup: function(db) {db.save({"_id": "test"});},
- run: function(db) {var doc = db.open("test"); db.deleteDoc(doc);},
- test: function(before, after) {
- TEquals(before+1, after, "Deleting docs increments doc writes.");
- }
- });
-
- runTest("couchdb", "database_writes", {
- setup: function(db) {db.save({"_id": "test"});},
- run: function(db) {
- CouchDB.request("COPY", "/test_suite_db/test", {
- headers: {"Destination": "copy_of_test"}
- });
- },
- test: function(before, after) {
- TEquals(before+1, after, "Copying docs increments doc writes.");
- }
- });
-
- runTest("couchdb", "database_writes", {
- run: function() {
- CouchDB.request("PUT", "/test_suite_db/bin_doc2/foo2.txt", {
- body: "This is no base64 encoded test",
- headers: {"Content-Type": "text/plain;charset=utf-8"}
- });
- },
- test: function(before, after) {
- TEquals(before+1, after, "Create with attachment increments doc writes.");
- }
- });
-
- runTest("couchdb", "database_writes", {
- setup: function(db) {db.save({"_id": "test"});},
- run: function(db) {
- var doc = db.open("test");
- CouchDB.request("PUT", "/test_suite_db/test/foo2.txt?rev=" + doc._rev, {
- body: "This is no base64 encoded text",
- headers: {"Content-Type": "text/plainn;charset=utf-8"}
- });
- },
- test: function(before, after) {
- TEquals(before+1, after, "Adding attachment increments doc writes.");
- }
- });
-
- runTest("httpd", "bulk_requests", {
- run: function(db) {db.bulkSave(makeDocs(5));},
- test: function(before, after) {
- TEquals(before+1, after, "The bulk_requests counter is incremented.");
- }
- });
-
- runTest("httpd", "view_reads", {
- run: function(db) {doView(db);},
- test: function(before, after) {
- TEquals(before+1, after, "Reading a view increments view reads.");
- }
- });
-
- runTest("httpd", "view_reads", {
- setup: function(db) {db.save({"_id": "test"});},
- run: function(db) {db.open("test");},
- test: function(before, after) {
- TEquals(before, after, "Reading a doc doesn't increment view reads.");
- }
- });
-
- runTest("httpd", "temporary_view_reads", {
- run: function(db) {db.query(function(doc) {emit(doc._id)})},
- test: function(before, after) {
- TEquals(before+1, after, "Temporary views have their own counter.");
- }
- });
-
- runTest("httpd", "temporary_view_reads", {
- run: function(db) {doView(db);},
- test: function(before, after) {
- TEquals(before, after, "Permanent views don't affect temporary views.");
- }
- });
-
- runTest("httpd", "view_reads", {
- run: function(db) {db.query(function(doc) {emit(doc._id)});},
- test: function(before, after) {
- TEquals(before, after, "Temporary views don't affect permanent views.");
- }
- });
-
- // Relies on getting the stats values being GET requests.
- runTest("httpd_request_methods", "GET", {
- test: function(before, after) {
- TEquals(before+1, after, "Get requests are incremented properly.");
- }
- });
-
- runTest("httpd_request_methods", "GET", {
- run: function() {CouchDB.request("POST", "/");},
- test: function(before, after) {
- TEquals(before+1, after, "POST requests don't affect GET counter.");
- }
- });
-
- runTest("httpd_request_methods", "POST", {
- run: function() {CouchDB.request("POST", "/");},
- test: function(before, after) {
- TEquals(before+1, after, "POST requests are incremented properly.");
- }
- });
-
- runTest("httpd_status_codes", "404", {
- run: function() {CouchDB.request("GET", "/nonexistant_db");},
- test: function(before, after) {
- TEquals(before+1, after, "Increments 404 counter on db not found.");
- }
- });
-
- runTest("httpd_status_codes", "404", {
- run: function() {CouchDB.request("GET", "/");},
- test: function(before, after) {
- TEquals(before, after, "Getting DB info doesn't increment 404's");
- }
- });
-
- (function() {
- var aggregates = [
- "current",
- "description",
- "mean",
- "min",
- "max",
- "stddev",
- "sum"
- ];
- var summary = JSON.parse(CouchDB.request("GET", "/_stats", {
- headers: {"Accept": "application/json"}
- }).responseText);
- for(var i in summary) {
- for(var j in summary[i]) {
- for(var k in summary[i][j]) {
- T(aggregates.indexOf(k) >= 0, "Unknown property name: " + j);
- }
- for(var k in aggregates) {
- var mesg = "Missing required property: " + aggregates[k];
- T(summary[i][j][aggregates[k]] !== undefined, mesg);
- }
- }
- }
- })();
-};