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0aa9decd86
This is relatively unobtrusive, and we don't send
anything to the server.
But any user can now enter blueslip.timings in the
console to see a map of how long things take in
milliseconds. We only record one timing per
event label (i.e. the most recent).
It's pretty easy to test this by just clicking
around. For 300 users/streams most things are
fast except for:
- initialize_everything
- manage streams (render_subscriptions)
Both do lots of nontrivial work, although
"manage streams" is a bit surprising, since
we're only measuring how long to build the
HTML from the templates (whereas the real
time is probably browser rendering costs).
88 lines
2.5 KiB
JavaScript
88 lines
2.5 KiB
JavaScript
exports.make_zblueslip = function (opts) {
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const lib = {};
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// Apply defaults
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opts = Object.assign({
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// Silently swallow all debug, log and info calls.
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debug: false,
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log: false,
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info: false,
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// Check against expected error values for the following.
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warn: true,
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error: true,
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fatal: true,
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}, opts);
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// Store valid test data for options.
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lib.test_data = {};
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lib.test_logs = {};
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Object.keys(opts).forEach(name => {
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lib.test_data[name] = [];
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lib.test_logs[name] = [];
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});
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lib.set_test_data = (name, message) => {
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lib.test_data[name].push(message);
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};
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lib.clear_test_data = (name) => {
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if (!name) {
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// Clear all data
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Object.keys(opts).forEach(name => {
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lib.test_data[name] = [];
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lib.test_logs[name] = [];
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});
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return;
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}
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lib.test_data[name] = [];
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lib.test_logs[name] = [];
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};
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lib.get_test_logs = (name) => {
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return lib.test_logs[name];
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};
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lib.check_error = (isblueslip = false) => {
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return function (error) {
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if (isblueslip) {
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assert(error.blueslip, "Not a blueslip error.");
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return true;
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}
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// If an error was thrown by zblueslip, we know that that
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// error was not in the list of expeccted errors for the test.
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assert(!error.blueslip, "Error not in expected errors.");
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return true;
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};
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};
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// Create logging functions
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Object.keys(opts).forEach(name => {
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if (!opts[name]) {
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// should just log the message.
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lib[name] = function (message, more_info, stack) {
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lib.test_logs[name].push({message, more_info, stack});
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};
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return;
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}
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lib[name] = function (message, more_info, stack) {
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lib.test_logs[name].push({message, more_info, stack});
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const exact_match_fail = lib.test_data[name].indexOf(message) === -1;
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const string_match_fail = lib.test_data[name].indexOf(message.toString()) === -1;
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if (exact_match_fail && string_match_fail) {
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const error = Error(`Invalid ${name} message: "${message}".`);
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error.blueslip = true;
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throw error;
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}
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};
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});
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lib.exception_msg = function (ex) {
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return ex.message;
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};
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lib.start_timing = () => {
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return () => {};
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};
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return lib;
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};
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