michael@0: /* Any copyright is dedicated to the Public Domain.
michael@0:    http://creativecommons.org/publicdomain/zero/1.0/ */
michael@0: 
michael@0: Cu.import("resource://gre/modules/FileUtils.jsm");
michael@0: Cu.import("resource://services-sync/util.js");
michael@0: 
michael@0: function run_test() {
michael@0:   initTestLogging();
michael@0:   run_next_test();
michael@0: }
michael@0: 
michael@0: add_test(function test_roundtrip() {
michael@0:   _("Do a simple write of an array to json and read");
michael@0:   Utils.jsonSave("foo", {}, ["v1", "v2"], ensureThrows(function(error) {
michael@0:     do_check_eq(error, null);
michael@0: 
michael@0:     Utils.jsonLoad("foo", {}, ensureThrows(function(val) {
michael@0:       let foo = val;
michael@0:       do_check_eq(typeof foo, "object");
michael@0:       do_check_eq(foo.length, 2);
michael@0:       do_check_eq(foo[0], "v1");
michael@0:       do_check_eq(foo[1], "v2");
michael@0:       run_next_test();
michael@0:     }));
michael@0:   }));
michael@0: });
michael@0: 
michael@0: add_test(function test_string() {
michael@0:   _("Try saving simple strings");
michael@0:   Utils.jsonSave("str", {}, "hi", ensureThrows(function(error) {
michael@0:     do_check_eq(error, null);
michael@0: 
michael@0:     Utils.jsonLoad("str", {}, ensureThrows(function(val) {
michael@0:       let str = val;
michael@0:       do_check_eq(typeof str, "string");
michael@0:       do_check_eq(str.length, 2);
michael@0:       do_check_eq(str[0], "h");
michael@0:       do_check_eq(str[1], "i");
michael@0:       run_next_test();
michael@0:     }));
michael@0:   }));
michael@0: });
michael@0: 
michael@0: add_test(function test_number() {
michael@0:   _("Try saving a number");
michael@0:   Utils.jsonSave("num", {}, 42, ensureThrows(function(error) {
michael@0:     do_check_eq(error, null);
michael@0: 
michael@0:     Utils.jsonLoad("num", {}, ensureThrows(function(val) {
michael@0:       let num = val;
michael@0:       do_check_eq(typeof num, "number");
michael@0:       do_check_eq(num, 42);
michael@0:       run_next_test();
michael@0:     }));
michael@0:   }));
michael@0: });
michael@0: 
michael@0: add_test(function test_nonexistent_file() {
michael@0:   _("Try loading a non-existent file.");
michael@0:   Utils.jsonLoad("non-existent", {}, ensureThrows(function(val) {
michael@0:     do_check_eq(val, undefined);
michael@0:     run_next_test();
michael@0:   }));
michael@0: });
michael@0: 
michael@0: add_test(function test_save_logging() {
michael@0:   _("Verify that writes are logged.");
michael@0:   let trace;
michael@0:   Utils.jsonSave("log", {_log: {trace: function(msg) { trace = msg; }}},
michael@0:                        "hi", ensureThrows(function () {
michael@0:     do_check_true(!!trace);
michael@0:     run_next_test();
michael@0:   }));
michael@0: });
michael@0: 
michael@0: add_test(function test_load_logging() {
michael@0:   _("Verify that reads and read errors are logged.");
michael@0: 
michael@0:   // Write a file with some invalid JSON
michael@0:   let filePath = "weave/log.json";
michael@0:   let file = FileUtils.getFile("ProfD", filePath.split("/"), true);
michael@0:   let fos = Cc["@mozilla.org/network/file-output-stream;1"]
michael@0:               .createInstance(Ci.nsIFileOutputStream);
michael@0:   let flags = FileUtils.MODE_WRONLY | FileUtils.MODE_CREATE
michael@0:               | FileUtils.MODE_TRUNCATE;
michael@0:   fos.init(file, flags, FileUtils.PERMS_FILE, fos.DEFER_OPEN);
michael@0:   let stream = Cc["@mozilla.org/intl/converter-output-stream;1"]
michael@0:                  .createInstance(Ci.nsIConverterOutputStream);
michael@0:   stream.init(fos, "UTF-8", 4096, 0x0000);
michael@0:   stream.writeString("invalid json!");
michael@0:   stream.close();
michael@0: 
michael@0:   let trace, debug;
michael@0:   let obj = {
michael@0:     _log: {
michael@0:       trace: function(msg) {
michael@0:         trace = msg;
michael@0:       },
michael@0:       debug: function(msg) {
michael@0:         debug = msg;
michael@0:       }
michael@0:     }
michael@0:   };
michael@0:   Utils.jsonLoad("log", obj, ensureThrows(function(val) {
michael@0:     do_check_true(!val);
michael@0:     do_check_true(!!trace);
michael@0:     do_check_true(!!debug);
michael@0:     run_next_test();
michael@0:   }));
michael@0: });
michael@0: 
michael@0: add_task(function* test_undefined_callback() {
michael@0:   yield Utils.jsonSave("foo", {}, ["v1", "v2"]);
michael@0: });