зеркало из https://github.com/mozilla/gecko-dev.git
Bug 591816 - Add tests for TabEngine [r=mconnor]
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Cu.import("resource://services-sync/engines/tabs.js");
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Cu.import("resource://services-sync/engines/clients.js");
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Cu.import("resource://services-sync/util.js");
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function fakeSvcWinMediator() {
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// actions on windows are captured in logs
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let logs = [];
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delete Svc.WinMediator;
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Svc.WinMediator = {
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getEnumerator: function() {
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return {
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cnt: 2,
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hasMoreElements: function() this.cnt-- > 0,
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getNext: function() {
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let elt = {addTopics: [], remTopics: []};
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logs.push(elt);
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return {
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addEventListener: function(topic) {
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elt.addTopics.push(topic);
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},
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removeEventListener: function(topic) {
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elt.remTopics.push(topic);
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}
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};
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}
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};
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}
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};
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return logs;
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}
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function fakeSvcSession() {
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// actions on Session are captured in logs
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let logs = [];
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delete Svc.Session;
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Svc.Session = {
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setTabValue: function(target, prop, value) {
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logs.push({target: target, prop: prop, value: value});
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}
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};
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return logs;
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}
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function run_test() {
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let engine = new TabEngine();
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engine._store.wipe();
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_("Verify we have an empty tracker to work with");
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let tracker = engine._tracker;
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do_check_eq([id for (id in tracker.changedIDs)].length, 0);
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let logs;
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_("Test listeners are registered on windows");
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logs = fakeSvcWinMediator();
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Svc.Obs.notify("weave:engine:start-tracking");
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do_check_eq(logs.length, 2);
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for each (let log in logs) {
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do_check_eq(log.addTopics.length, 5);
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do_check_true(log.addTopics.indexOf("pageshow") >= 0);
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do_check_true(log.addTopics.indexOf("TabOpen") >= 0);
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do_check_true(log.addTopics.indexOf("TabClose") >= 0);
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do_check_true(log.addTopics.indexOf("TabSelect") >= 0);
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do_check_true(log.addTopics.indexOf("unload") >= 0);
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do_check_eq(log.remTopics.length, 0);
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}
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_("Test listeners are unregistered on windows");
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logs = fakeSvcWinMediator();
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Svc.Obs.notify("weave:engine:stop-tracking");
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do_check_eq(logs.length, 2);
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for each (let log in logs) {
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do_check_eq(log.addTopics.length, 0);
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do_check_eq(log.remTopics.length, 5);
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do_check_true(log.remTopics.indexOf("pageshow") >= 0);
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do_check_true(log.remTopics.indexOf("TabOpen") >= 0);
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do_check_true(log.remTopics.indexOf("TabClose") >= 0);
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do_check_true(log.remTopics.indexOf("TabSelect") >= 0);
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do_check_true(log.remTopics.indexOf("unload") >= 0);
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}
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_("Test tab listener");
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logs = fakeSvcSession();
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let idx = 0;
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for each (let evttype in ["TabOpen", "TabClose", "TabSelect"]) {
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tracker.onTab({type: evttype , originalTarget: evttype});
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do_check_eq([id for (id in tracker.changedIDs)].length, 1);
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do_check_eq(logs.length, idx+1);
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do_check_eq(logs[idx].target, evttype);
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do_check_eq(logs[idx].prop, "weaveLastUsed");
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do_check_true(typeof logs[idx].value == "number");
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idx++;
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}
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tracker.onTab({type: "pageshow", originalTarget: "pageshow"});
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do_check_eq([id for (id in tracker.changedIDs)].length, 1);
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do_check_eq(logs.length, idx); // test that setTabValue isn't called
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}
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