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toolkit/components/url-classifier/tests/unit/test_backoff.js@925c144e1f1f (annotated)

toolkit/components/url-classifier/tests/unit/test_backoff.js

Fri, 16 Jan 2015 18:13:44 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Fri, 16 Jan 2015 18:13:44 +0100

branch

TOR_BUG_9701

changeset 14

925c144e1f1f

permissions

-rw-r--r--

Integrate suggestion from review to improve consistency with existing code.

michael@0	1	// Some unittests (e.g., paste into JS shell)
michael@0	2	var jslib = Cc["@mozilla.org/url-classifier/jslib;1"].
michael@0	3	getService().wrappedJSObject;
michael@0	4	var _Datenow = jslib.Date.now;
michael@0	5	function setNow(time) {
michael@0	6	jslib.Date.now = function() {
michael@0	7	return time;
michael@0	8	}
michael@0	9	}
michael@0	10
michael@0	11	function run_test() {
michael@0	12	// 3 errors, 1ms retry period, max 3 requests per ten milliseconds,
michael@0	13	// 5ms backoff interval, 19ms max delay
michael@0	14	var rb = new jslib.RequestBackoff(3, 1, 3, 10, 5, 19);
michael@0	15	setNow(1);
michael@0	16	rb.noteServerResponse(200);
michael@0	17	do_check_true(rb.canMakeRequest());
michael@0	18	setNow(2);
michael@0	19	do_check_true(rb.canMakeRequest());
michael@0	20
michael@0	21	// First error should trigger a 1ms delay
michael@0	22	rb.noteServerResponse(500);
michael@0	23	do_check_false(rb.canMakeRequest());
michael@0	24	do_check_eq(rb.nextRequestTime_, 3);
michael@0	25	setNow(3);
michael@0	26	do_check_true(rb.canMakeRequest());
michael@0	27
michael@0	28	// Second error should also trigger a 1ms delay
michael@0	29	rb.noteServerResponse(500);
michael@0	30	do_check_false(rb.canMakeRequest());
michael@0	31	do_check_eq(rb.nextRequestTime_, 4);
michael@0	32	setNow(4);
michael@0	33	do_check_true(rb.canMakeRequest());
michael@0	34
michael@0	35	// Third error should trigger a 5ms backoff
michael@0	36	rb.noteServerResponse(500);
michael@0	37	do_check_false(rb.canMakeRequest());
michael@0	38	do_check_eq(rb.nextRequestTime_, 9);
michael@0	39	setNow(9);
michael@0	40	do_check_true(rb.canMakeRequest());
michael@0	41
michael@0	42	// Trigger backoff again
michael@0	43	rb.noteServerResponse(503);
michael@0	44	do_check_false(rb.canMakeRequest());
michael@0	45	do_check_eq(rb.nextRequestTime_, 19);
michael@0	46	setNow(19);
michael@0	47	do_check_true(rb.canMakeRequest());
michael@0	48
michael@0	49	// Trigger backoff a third time and hit max timeout
michael@0	50	rb.noteServerResponse(302);
michael@0	51	do_check_false(rb.canMakeRequest());
michael@0	52	do_check_eq(rb.nextRequestTime_, 38);
michael@0	53	setNow(38);
michael@0	54	do_check_true(rb.canMakeRequest());
michael@0	55
michael@0	56	// One more backoff, should still be at the max timeout
michael@0	57	rb.noteServerResponse(400);
michael@0	58	do_check_false(rb.canMakeRequest());
michael@0	59	do_check_eq(rb.nextRequestTime_, 57);
michael@0	60	setNow(57);
michael@0	61	do_check_true(rb.canMakeRequest());
michael@0	62
michael@0	63	// Request goes through
michael@0	64	rb.noteServerResponse(200);
michael@0	65	do_check_true(rb.canMakeRequest());
michael@0	66	do_check_eq(rb.nextRequestTime_, 0);
michael@0	67	setNow(58);
michael@0	68	rb.noteServerResponse(500);
michael@0	69
michael@0	70	// Another error, should trigger a 1ms backoff
michael@0	71	do_check_false(rb.canMakeRequest());
michael@0	72	do_check_eq(rb.nextRequestTime_, 59);
michael@0	73
michael@0	74	setNow(59);
michael@0	75	do_check_true(rb.canMakeRequest());
michael@0	76
michael@0	77	setNow(200);
michael@0	78	rb.noteRequest();
michael@0	79	setNow(201);
michael@0	80	rb.noteRequest();
michael@0	81	setNow(202);
michael@0	82	do_check_true(rb.canMakeRequest());
michael@0	83	rb.noteRequest();
michael@0	84	do_check_false(rb.canMakeRequest());
michael@0	85	setNow(211);
michael@0	86	do_check_true(rb.canMakeRequest());
michael@0	87
michael@0	88	jslib.Date.now = _Datenow;
michael@0	89	}