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df1fed815d
Utils.jsonLoad() already has an async API. Utils.jsonSave() had an ill-named 'callback' parameter which s renamed to 'obj'; an optional callback parameter (in the async sense) is added.
88 lines
2.4 KiB
JavaScript
88 lines
2.4 KiB
JavaScript
_("Make sure json saves and loads from disk");
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Cu.import("resource://services-sync/util.js");
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function run_test() {
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do_test_pending();
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Utils.asyncChain(function (next) {
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_("Do a simple write of an array to json and read");
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Utils.jsonSave("foo", {}, ["v1", "v2"], ensureThrows(function() {
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Utils.jsonLoad("foo", {}, ensureThrows(function(val) {
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let foo = val;
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do_check_eq(typeof foo, "object");
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do_check_eq(foo.length, 2);
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do_check_eq(foo[0], "v1");
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do_check_eq(foo[1], "v2");
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next();
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}));
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}));
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}, function (next) {
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_("Try saving simple strings");
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Utils.jsonSave("str", {}, "hi", ensureThrows(function() {
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Utils.jsonLoad("str", {}, ensureThrows(function(val) {
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let str = val;
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do_check_eq(typeof str, "string");
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do_check_eq(str.length, 2);
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do_check_eq(str[0], "h");
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do_check_eq(str[1], "i");
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next();
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}));
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}));
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}, function (next) {
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_("Try saving a number");
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Utils.jsonSave("num", {}, 42, ensureThrows(function() {
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Utils.jsonLoad("num", {}, ensureThrows(function(val) {
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let num = val;
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do_check_eq(typeof num, "number");
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do_check_eq(num, 42);
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next();
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}));
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}));
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}, function (next) {
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_("Try loading a non-existent file.");
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Utils.jsonLoad("non-existent", {}, ensureThrows(function(val) {
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do_check_eq(val, undefined);
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next();
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}));
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}, function (next) {
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_("Verify that writes are logged.");
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let trace;
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Utils.jsonSave("log", {_log: {trace: function(msg) { trace = msg; }}},
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"hi", ensureThrows(function () {
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do_check_true(!!trace);
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next();
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}));
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}, function (next) {
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_("Verify that reads and read errors are logged.");
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// Write a file with some invalid JSON
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let file = Utils.getProfileFile({ autoCreate: true,
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path: "weave/log.json" });
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let [fos] = Utils.open(file, ">");
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fos.writeString("invalid json!");
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fos.close();
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let trace, debug;
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Utils.jsonLoad("log",
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{_log: {trace: function(msg) { trace = msg; },
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debug: function(msg) { debug = msg; }}},
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ensureThrows(function(val) {
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do_check_true(!!trace);
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do_check_true(!!debug);
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next();
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}));
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}, do_test_finished)();
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}
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