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Test Info:
- Manifest: services/sync/tests/unit/xpcshell.toml
/* Any copyright is dedicated to the Public Domain.
const { FileUtils } = ChromeUtils.importESModule(
);
add_task(async function test_roundtrip() {
_("Do a simple write of an array to json and read");
await Utils.jsonSave("foo", {}, ["v1", "v2"]);
let foo = await Utils.jsonLoad("foo", {});
Assert.equal(typeof foo, "object");
Assert.equal(foo.length, 2);
Assert.equal(foo[0], "v1");
Assert.equal(foo[1], "v2");
});
add_task(async function test_string() {
_("Try saving simple strings");
await Utils.jsonSave("str", {}, "hi");
let str = await Utils.jsonLoad("str", {});
Assert.equal(typeof str, "string");
Assert.equal(str.length, 2);
Assert.equal(str[0], "h");
Assert.equal(str[1], "i");
});
add_task(async function test_number() {
_("Try saving a number");
await Utils.jsonSave("num", {}, 42);
let num = await Utils.jsonLoad("num", {});
Assert.equal(typeof num, "number");
Assert.equal(num, 42);
});
add_task(async function test_nonexistent_file() {
_("Try loading a non-existent file.");
let val = await Utils.jsonLoad("non-existent", {});
Assert.equal(val, undefined);
});
add_task(async function test_save_logging() {
_("Verify that writes are logged.");
let trace;
await Utils.jsonSave(
"log",
{
_log: {
trace(msg) {
trace = msg;
},
},
},
"hi"
);
Assert.ok(!!trace);
});
add_task(async function test_load_logging() {
_("Verify that reads and read errors are logged.");
// Write a file with some invalid JSON
let file = await IOUtils.getFile(PathUtils.profileDir, "weave", "log.json");
let fos = Cc["@mozilla.org/network/file-output-stream;1"].createInstance(
Ci.nsIFileOutputStream
);
let flags =
FileUtils.MODE_WRONLY | FileUtils.MODE_CREATE | FileUtils.MODE_TRUNCATE;
fos.init(file, flags, FileUtils.PERMS_FILE, fos.DEFER_OPEN);
let stream = Cc["@mozilla.org/intl/converter-output-stream;1"].createInstance(
Ci.nsIConverterOutputStream
);
stream.init(fos, "UTF-8");
stream.writeString("invalid json!");
stream.close();
let trace, debug;
let obj = {
_log: {
trace(msg) {
trace = msg;
},
debug(msg) {
debug = msg;
},
},
};
let val = await Utils.jsonLoad("log", obj);
Assert.ok(!val);
Assert.ok(!!trace);
Assert.ok(!!debug);
});