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netwerk/test/TestDiskCache.js@ca08bd8f51b2 (annotated)

netwerk/test/TestDiskCache.js

Wed, 31 Dec 2014 06:55:46 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Wed, 31 Dec 2014 06:55:46 +0100

changeset 1

ca08bd8f51b2

permissions

-rw-r--r--

Added tag TORBROWSER_REPLICA for changeset 6474c204b198

michael@0	1	var DEBUG = false;
michael@0	2
michael@0	3	var clientID = "javascript";
michael@0	4	var key = "theme:button";
michael@0	5	var nsICache = Components.interfaces.nsICache;
michael@0	6
michael@0	7	function getCacheService()
michael@0	8	{
michael@0	9	var nsCacheService = Components.classes["@mozilla.org/network/cache-service;1"];
michael@0	10	var service = nsCacheService.getService(Components.interfaces.nsICacheService);
michael@0	11	return service;
michael@0	12	}
michael@0	13
michael@0	14	function createCacheSession(clientID, storagePolicy, streamable)
michael@0	15	{
michael@0	16	var service = getCacheService();
michael@0	17	var session = service.createSession(clientID, storagePolicy, streamable);
michael@0	18	return session;
michael@0	19	}
michael@0	20
michael@0	21	function openCacheEntry(mode)
michael@0	22	{
michael@0	23	var session = createCacheSession(clientID, nsICache.STORE_ON_DISK, true);
michael@0	24	var entry = session.openCacheEntry(key, mode);
michael@0	25	return entry;
michael@0	26	}
michael@0	27
michael@0	28	function wrapInputStream(input)
michael@0	29	{
michael@0	30	var nsIScriptableInputStream = Components.interfaces.nsIScriptableInputStream;
michael@0	31	var factory = Components.classes["@mozilla.org/scriptableinputstream;1"];
michael@0	32	var wrapper = factory.createInstance(nsIScriptableInputStream);
michael@0	33	wrapper.init(input);
michael@0	34	return wrapper;
michael@0	35	}
michael@0	36
michael@0	37	function test()
michael@0	38	{
michael@0	39	var outputEntry = openCacheEntry(nsICache.ACCESS_WRITE);
michael@0	40	var output = outputEntry.transport.openOutputStream(0, -1, 0);
michael@0	41	if (output.write("foo", 3) == 3)
michael@0	42	print("disk cache write works!");
michael@0	43	else
michael@0	44	print("disk cache write broken!");
michael@0	45
michael@0	46	// store some metadata.
michael@0	47	outputEntry.setMetaDataElement("size", "3");
michael@0	48
michael@0	49	output.close();
michael@0	50	outputEntry.markValid();
michael@0	51	outputEntry.close();
michael@0	52
michael@0	53	var inputEntry = openCacheEntry(nsICache.ACCESS_READ);
michael@0	54	var input = wrapInputStream(inputEntry.transport.openInputStream(0, -1, 0));
michael@0	55
michael@0	56	if (input.read(input.available()) == "foo")
michael@0	57	print("disk cache read works!");
michael@0	58	else
michael@0	59	print("disk cache read broken!");
michael@0	60
michael@0	61	if (inputEntry.getMetaDataElement("size") == "3")
michael@0	62	print("disk cache metadata works!");
michael@0	63	else
michael@0	64	print("disk cache metadata broken!");
michael@0	65
michael@0	66	input.close();
michael@0	67	inputEntry.close();
michael@0	68	}
michael@0	69
michael@0	70	function doom()
michael@0	71	{
michael@0	72	var doomedEntry = openCacheEntry(nsICache.ACCESS_READ_WRITE);
michael@0	73	doomedEntry.doom();
michael@0	74	doomedEntry.close();
michael@0	75	}
michael@0	76
michael@0	77	if (DEBUG) {
michael@0	78	getCacheService();
michael@0	79	print("cache service loaded.");
michael@0	80	} else {
michael@0	81	print("running disk cache test.");
michael@0	82	test();
michael@0	83	print("disk cache test complete.");
michael@0	84	}