gecko/modules/libmar/tests/unit/head_libmar.js.in

142 lines
4.2 KiB
JavaScript

/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
const BIN_SUFFIX = "@BIN_SUFFIX@";
const Cc = Components.classes;
const Ci = Components.interfaces;
/**
* Compares binary data of 2 arrays and throws if they aren't the same.
* Throws on mismatch, does nothing on match.
*
* @param arr1 The first array to compare
* @param arr2 The second array to compare
*/
function compareBinaryData(arr1, arr2) {
do_check_eq(arr1.length, arr2.length);
for (let i = 0; i < arr1.length; i++) {
if (arr1[i] != arr2[i]) {
throw "Data differs at index " + i;
}
}
}
/**
* Reads a file's data and returns it
*
* @param file The file to read the data from
* @return a byte array for the data in the file.
*/
function getBinaryFileData(file) {
let fileStream = Cc["@mozilla.org/network/file-input-stream;1"].
createInstance(Ci.nsIFileInputStream);
// Open as RD_ONLY with default permissions.
fileStream.init(file, 0x01, -1, null);
// Check the returned size versus the expected size.
let stream = Cc["@mozilla.org/binaryinputstream;1"].
createInstance(Ci.nsIBinaryInputStream);
stream.setInputStream(fileStream);
let bytes = stream.readByteArray(stream.available());
fileStream.close();
return bytes;
}
/**
* Runs each method in the passed in object
* Every method of the passed in object that starts with test_ will be ran
* The cleanup_per_test method of the object will be run right away, it will be
* registered to be the cleanup function, and it will be run between each test.
*
* @return The number of tests ran
*/
function run_tests(obj) {
let cleanup_per_test = obj.cleanup_per_test;
if (cleanup_per_test === undefined) {
cleanup_per_test = function() {};
}
do_register_cleanup(cleanup_per_test);
// Make sure there's nothing left over from a preious failed test
cleanup_per_test();
let ranCount = 0;
// hasOwnProperty ensures we only see direct properties and not all
for (let f in obj) {
if (typeof obj[f] === "function" &&
obj.hasOwnProperty(f) &&
f.toString().indexOf("test_") === 0) {
obj[f]();
cleanup_per_test();
ranCount++;
}
}
return ranCount;
}
/**
* Creates a MAR file with the content of files.
*
* @param outMAR The file where the MAR should be created to
* @param dataDir The directory where the relative file paths exist
* @param files The relative file paths of the files to include in the MAR
*/
function createMAR(outMAR, dataDir, files) {
// You cannot create an empy MAR.
do_check_true(files.length > 0);
// Get an nsIProcess to the signmar binary.
let process = Cc["@mozilla.org/process/util;1"].
createInstance(Ci.nsIProcess);
let signmarBin = do_get_file("signmar" + BIN_SUFFIX);
// Make sure the signmar binary exists and is an executable.
do_check_true(signmarBin.exists());
do_check_true(signmarBin.isExecutable());
// Setup the command line arguments to create the MAR.
let args = ["-C", dataDir.path, "-H", "\@MAR_CHANNEL_ID\@",
"-V", "13.0a1", "-c", outMAR.path];
args = args.concat(files);
do_print('Running: ' + signmarBin.path);
process.init(signmarBin);
process.run(true, args, args.length);
// Verify signmar returned 0 for success.
do_check_eq(process.exitValue, 0);
// Verify the out MAR file actually exists.
do_check_true(outMAR.exists());
}
/**
* Extracts a MAR file to the specified output directory.
*
* @param mar The MAR file that should be matched
* @param dataDir The directory to extract to
*/
function extractMAR(mar, dataDir) {
// Get an nsIProcess to the signmar binary.
let process = Cc["@mozilla.org/process/util;1"].
createInstance(Ci.nsIProcess);
let signmarBin = do_get_file("signmar" + BIN_SUFFIX);
// Make sure the signmar binary exists and is an executable.
do_check_true(signmarBin.exists());
do_check_true(signmarBin.isExecutable());
// Setup the command line arguments to create the MAR.
let args = ["-C", dataDir.path, "-x", mar.path];
do_print('Running: ' + signmarBin.path);
process.init(signmarBin);
process.run(true, args, args.length);
// Verify signmar returned 0 for success.
do_check_eq(process.exitValue, 0);
}