forked from mirrors/gecko-dev
92 lines
2.4 KiB
JavaScript
92 lines
2.4 KiB
JavaScript
// Some unittests (e.g., paste into JS shell)
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var jslib =
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Cc["@mozilla.org/url-classifier/jslib;1"].getService().wrappedJSObject;
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var jslibDate = Cu.getGlobalForObject(jslib).Date;
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var _Datenow = jslibDate.now;
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function setNow(time) {
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jslibDate.now = function () {
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return time;
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};
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}
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function run_test() {
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// 3 errors, 1ms retry period, max 3 requests per ten milliseconds,
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// 5ms backoff interval, 19ms max delay
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var rb = new jslib.RequestBackoff(3, 1, 3, 10, 5, 19, 0);
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setNow(1);
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rb.noteServerResponse(200);
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Assert.ok(rb.canMakeRequest());
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setNow(2);
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Assert.ok(rb.canMakeRequest());
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// First error should trigger a 1ms delay
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rb.noteServerResponse(500);
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Assert.ok(!rb.canMakeRequest());
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Assert.equal(rb.nextRequestTime_, 3);
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setNow(3);
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Assert.ok(rb.canMakeRequest());
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// Second error should also trigger a 1ms delay
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rb.noteServerResponse(500);
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Assert.ok(!rb.canMakeRequest());
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Assert.equal(rb.nextRequestTime_, 4);
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setNow(4);
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Assert.ok(rb.canMakeRequest());
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// Third error should trigger a 5ms backoff
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rb.noteServerResponse(500);
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Assert.ok(!rb.canMakeRequest());
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Assert.equal(rb.nextRequestTime_, 9);
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setNow(9);
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Assert.ok(rb.canMakeRequest());
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// Trigger backoff again
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rb.noteServerResponse(503);
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Assert.ok(!rb.canMakeRequest());
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Assert.equal(rb.nextRequestTime_, 19);
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setNow(19);
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Assert.ok(rb.canMakeRequest());
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// Trigger backoff a third time and hit max timeout
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rb.noteServerResponse(302);
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Assert.ok(!rb.canMakeRequest());
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Assert.equal(rb.nextRequestTime_, 38);
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setNow(38);
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Assert.ok(rb.canMakeRequest());
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// One more backoff, should still be at the max timeout
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rb.noteServerResponse(400);
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Assert.ok(!rb.canMakeRequest());
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Assert.equal(rb.nextRequestTime_, 57);
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setNow(57);
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Assert.ok(rb.canMakeRequest());
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// Request goes through
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rb.noteServerResponse(200);
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Assert.ok(rb.canMakeRequest());
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Assert.equal(rb.nextRequestTime_, 0);
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setNow(58);
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rb.noteServerResponse(500);
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// Another error, should trigger a 1ms backoff
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Assert.ok(!rb.canMakeRequest());
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Assert.equal(rb.nextRequestTime_, 59);
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setNow(59);
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Assert.ok(rb.canMakeRequest());
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setNow(200);
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rb.noteRequest();
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setNow(201);
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rb.noteRequest();
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setNow(202);
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Assert.ok(rb.canMakeRequest());
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rb.noteRequest();
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Assert.ok(!rb.canMakeRequest());
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setNow(211);
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Assert.ok(rb.canMakeRequest());
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jslibDate.now = _Datenow;
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}
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