mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
Bug 836206 - Split out or rewrite CommonUtils.jsonLoad/jsonSave. r=gps
--HG-- rename : services/common/tests/unit/test_utils_json.js => services/sync/tests/unit/test_utils_json.js
This commit is contained in:
Richard Newman
parent
8f9d00659a
commit
5241ff40af
@ -1,7 +1,6 @@
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/* Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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Cu.import("resource://gre/modules/FileUtils.jsm");
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Cu.import("resource://services-common/utils.js");
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Cu.import("resource://gre/modules/osfile.jsm")
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@ -10,106 +9,6 @@ function run_test() {
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run_next_test();
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}
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add_test(function test_roundtrip() {
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_("Do a simple write of an array to json and read");
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CommonUtils.jsonSave("foo", {}, ["v1", "v2"], ensureThrows(function(error) {
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do_check_eq(error, null);
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CommonUtils.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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run_next_test();
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}));
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}));
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});
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add_test(function test_string() {
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_("Try saving simple strings");
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CommonUtils.jsonSave("str", {}, "hi", ensureThrows(function(error) {
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do_check_eq(error, null);
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CommonUtils.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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run_next_test();
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}));
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}));
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});
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add_test(function test_number() {
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_("Try saving a number");
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CommonUtils.jsonSave("num", {}, 42, ensureThrows(function(error) {
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do_check_eq(error, null);
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CommonUtils.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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run_next_test();
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}));
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}));
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});
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add_test(function test_nonexistent_file() {
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_("Try loading a non-existent file.");
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CommonUtils.jsonLoad("non-existent", {}, ensureThrows(function(val) {
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do_check_eq(val, undefined);
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run_next_test();
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}));
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});
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add_test(function test_save_logging() {
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_("Verify that writes are logged.");
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let trace;
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CommonUtils.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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run_next_test();
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}));
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});
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add_test(function test_load_logging() {
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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 filePath = "log.json";
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let file = FileUtils.getFile("ProfD", filePath.split("/"), true);
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let fos = Cc["@mozilla.org/network/file-output-stream;1"]
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.createInstance(Ci.nsIFileOutputStream);
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let flags = FileUtils.MODE_WRONLY | FileUtils.MODE_CREATE
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| FileUtils.MODE_TRUNCATE;
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fos.init(file, flags, FileUtils.PERMS_FILE, fos.DEFER_OPEN);
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let stream = Cc["@mozilla.org/intl/converter-output-stream;1"]
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.createInstance(Ci.nsIConverterOutputStream);
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stream.init(fos, "UTF-8", 4096, 0x0000);
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stream.writeString("invalid json!");
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stream.close();
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let trace, debug;
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let obj = {
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_log: {
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trace: function(msg) {
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trace = msg;
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},
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debug: function(msg) {
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debug = msg;
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}
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}
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};
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CommonUtils.jsonLoad("log", obj, ensureThrows(function(val) {
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do_check_true(!val);
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do_check_true(!!trace);
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do_check_true(!!debug);
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run_next_test();
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}));
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});
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add_test(function test_writeJSON_readJSON() {
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_("Round-trip some JSON through the promise-based JSON writer.");
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@ -6,8 +6,6 @@ const {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
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this.EXPORTED_SYMBOLS = ["CommonUtils"];
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Cu.import("resource://gre/modules/FileUtils.jsm");
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Cu.import("resource://gre/modules/NetUtil.jsm");
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Cu.import("resource://gre/modules/Services.jsm");
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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Cu.import("resource://gre/modules/osfile.jsm")
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@ -357,90 +355,6 @@ this.CommonUtils = {
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return OS.File.writeAtomic(path, array, {tmpPath: path + ".tmp"});
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},
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/**
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* Load a JSON file from disk in the profile directory.
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*
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* @param filePath
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* JSON file path load from profile. Loaded file will be
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* <profile>/<filePath>.json. i.e. Do not specify the ".json"
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* extension.
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* @param that
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* Object to use for logging and "this" for callback.
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* @param callback
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* Function to process json object as its first argument. If the file
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* could not be loaded, the first argument will be undefined.
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*/
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jsonLoad: function jsonLoad(filePath, that, callback) {
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let path = filePath + ".json";
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if (that._log) {
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that._log.trace("Loading json from disk: " + filePath);
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}
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let file = FileUtils.getFile("ProfD", path.split("/"), true);
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if (!file.exists()) {
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callback.call(that);
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return;
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}
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let channel = NetUtil.newChannel(file);
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channel.contentType = "application/json";
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NetUtil.asyncFetch(channel, function (is, result) {
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if (!Components.isSuccessCode(result)) {
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callback.call(that);
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return;
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}
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let string = NetUtil.readInputStreamToString(is, is.available());
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is.close();
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let json;
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try {
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json = JSON.parse(string);
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} catch (ex) {
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if (that._log) {
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that._log.debug("Failed to load json: " +
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CommonUtils.exceptionStr(ex));
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}
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}
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callback.call(that, json);
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});
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},
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/**
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* Save a json-able object to disk in the profile directory.
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*
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* @param filePath
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* JSON file path save to <filePath>.json
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* @param that
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* Object to use for logging and "this" for callback
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* @param obj
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* Function to provide json-able object to save. If this isn't a
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* function, it'll be used as the object to make a json string.
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* @param callback
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* Function called when the write has been performed. Optional.
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* The first argument will be a Components.results error
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* constant on error or null if no error was encountered (and
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* the file saved successfully).
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*/
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jsonSave: function jsonSave(filePath, that, obj, callback) {
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let path = filePath + ".json";
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if (that._log) {
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that._log.trace("Saving json to disk: " + path);
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}
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let file = FileUtils.getFile("ProfD", path.split("/"), true);
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let json = typeof obj == "function" ? obj.call(that) : obj;
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let out = JSON.stringify(json);
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let fos = FileUtils.openSafeFileOutputStream(file);
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let is = this._utf8Converter.convertToInputStream(out);
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NetUtil.asyncCopy(is, fos, function (result) {
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if (typeof callback == "function") {
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let error = (result == Cr.NS_OK) ? null : result;
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callback.call(that, error);
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}
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});
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},
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/**
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* Ensure that the specified value is defined in integer milliseconds since
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@ -324,12 +324,89 @@ this.Utils = {
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return Utils.encodeKeyBase32(atob(encodedKey));
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},
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jsonLoad: function jsonLoad(path, that, callback) {
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CommonUtils.jsonLoad("weave/" + path, that, callback);
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/**
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* Load a JSON file from disk in the profile directory.
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*
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* @param filePath
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* JSON file path load from profile. Loaded file will be
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* <profile>/<filePath>.json. i.e. Do not specify the ".json"
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* extension.
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* @param that
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* Object to use for logging and "this" for callback.
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* @param callback
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* Function to process json object as its first argument. If the file
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* could not be loaded, the first argument will be undefined.
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*/
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jsonLoad: function jsonLoad(filePath, that, callback) {
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let path = "weave/" + filePath + ".json";
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if (that._log) {
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that._log.trace("Loading json from disk: " + filePath);
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}
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let file = FileUtils.getFile("ProfD", path.split("/"), true);
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if (!file.exists()) {
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callback.call(that);
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return;
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}
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let channel = NetUtil.newChannel(file);
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channel.contentType = "application/json";
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NetUtil.asyncFetch(channel, function (is, result) {
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if (!Components.isSuccessCode(result)) {
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callback.call(that);
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return;
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}
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let string = NetUtil.readInputStreamToString(is, is.available());
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is.close();
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let json;
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try {
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json = JSON.parse(string);
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} catch (ex) {
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if (that._log) {
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that._log.debug("Failed to load json: " +
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CommonUtils.exceptionStr(ex));
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}
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}
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callback.call(that, json);
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});
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},
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jsonSave: function jsonSave(path, that, obj, callback) {
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CommonUtils.jsonSave("weave/" + path, that, obj, callback);
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/**
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* Save a json-able object to disk in the profile directory.
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*
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* @param filePath
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* JSON file path save to <filePath>.json
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* @param that
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* Object to use for logging and "this" for callback
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* @param obj
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* Function to provide json-able object to save. If this isn't a
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* function, it'll be used as the object to make a json string.
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* @param callback
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* Function called when the write has been performed. Optional.
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* The first argument will be a Components.results error
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* constant on error or null if no error was encountered (and
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* the file saved successfully).
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*/
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jsonSave: function jsonSave(filePath, that, obj, callback) {
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let path = "weave/" + filePath + ".json";
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if (that._log) {
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that._log.trace("Saving json to disk: " + path);
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}
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let file = FileUtils.getFile("ProfD", path.split("/"), true);
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let json = typeof obj == "function" ? obj.call(that) : obj;
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let out = JSON.stringify(json);
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let fos = FileUtils.openSafeFileOutputStream(file);
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let is = this._utf8Converter.convertToInputStream(out);
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NetUtil.asyncCopy(is, fos, function (result) {
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if (typeof callback == "function") {
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let error = (result == Cr.NS_OK) ? null : result;
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callback.call(that, error);
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}
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});
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},
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getIcon: function(iconUri, defaultIcon) {
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111
services/sync/tests/unit/test_utils_json.js
Normal file
111
services/sync/tests/unit/test_utils_json.js
Normal file
@ -0,0 +1,111 @@
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/* Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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Cu.import("resource://gre/modules/FileUtils.jsm");
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Cu.import("resource://services-sync/util.js");
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function run_test() {
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initTestLogging();
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run_next_test();
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}
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add_test(function test_roundtrip() {
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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(error) {
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do_check_eq(error, null);
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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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run_next_test();
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}));
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}));
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});
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add_test(function test_string() {
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_("Try saving simple strings");
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Utils.jsonSave("str", {}, "hi", ensureThrows(function(error) {
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do_check_eq(error, null);
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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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run_next_test();
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}));
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}));
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});
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add_test(function test_number() {
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_("Try saving a number");
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Utils.jsonSave("num", {}, 42, ensureThrows(function(error) {
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do_check_eq(error, null);
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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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run_next_test();
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}));
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}));
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});
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add_test(function test_nonexistent_file() {
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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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run_next_test();
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}));
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});
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add_test(function test_save_logging() {
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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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run_next_test();
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}));
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});
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add_test(function test_load_logging() {
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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 filePath = "weave/log.json";
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let file = FileUtils.getFile("ProfD", filePath.split("/"), true);
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let fos = Cc["@mozilla.org/network/file-output-stream;1"]
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.createInstance(Ci.nsIFileOutputStream);
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let flags = FileUtils.MODE_WRONLY | FileUtils.MODE_CREATE
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| FileUtils.MODE_TRUNCATE;
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fos.init(file, flags, FileUtils.PERMS_FILE, fos.DEFER_OPEN);
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let stream = Cc["@mozilla.org/intl/converter-output-stream;1"]
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.createInstance(Ci.nsIConverterOutputStream);
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stream.init(fos, "UTF-8", 4096, 0x0000);
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stream.writeString("invalid json!");
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stream.close();
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let trace, debug;
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let obj = {
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_log: {
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trace: function(msg) {
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trace = msg;
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},
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debug: function(msg) {
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debug = msg;
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}
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}
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};
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Utils.jsonLoad("log", obj, ensureThrows(function(val) {
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do_check_true(!val);
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do_check_true(!!trace);
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do_check_true(!!debug);
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run_next_test();
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}));
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});
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@ -17,6 +17,7 @@ tail =
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[test_utils_keyEncoding.js]
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[test_utils_getErrorString.js]
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[test_utils_getIcon.js]
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[test_utils_json.js]
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[test_utils_lazyStrings.js]
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[test_utils_lock.js]
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[test_utils_makeGUID.js]
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