gecko-dev/testing/mochitest/chunkifyTests.js

86 lines
2.9 KiB
JavaScript

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
function chunkifyTests(tests, totalChunks, thisChunk, chunkByDir, logger) {
var total_chunks = parseInt(totalChunks);
// this_chunk is in the range [1,total_chunks]
var this_chunk = parseInt(thisChunk);
var returnTests;
// We want to split the tests up into chunks according to which directory
// they're in
if (chunkByDir) {
chunkByDir = parseInt(chunkByDir);
var tests_by_dir = {};
var test_dirs = []
for (var i = 0; i < tests.length; ++i) {
if ('test' in tests[i]) {
var test_path = tests[i]['test']['url'];
} else {
var test_path = tests[i]['url'];
}
if (test_path[0] == '/') {
test_path = test_path.substr(1);
}
// mochitest-chrome and mochitest-browser-chrome pass an array of chrome://
// URIs
var protocolRegexp = /^[a-zA-Z]+:\/\//;
if (protocolRegexp.test(test_path)) {
test_path = test_path.replace(protocolRegexp, "");
}
var dir = test_path.split("/");
// We want the first chunkByDir+1 components, or everything but the
// last component, whichever is less.
// we add 1 to chunkByDir since 'tests' is always part of the path, and
// want to ignore the last component since it's the test filename.
dir = dir.slice(0, Math.min(chunkByDir+1, dir.length-1));
// reconstruct a directory name
dir = dir.join("/");
if (!(dir in tests_by_dir)) {
tests_by_dir[dir] = [tests[i]];
test_dirs.push(dir);
} else {
tests_by_dir[dir].push(tests[i]);
}
}
var tests_per_chunk = test_dirs.length / total_chunks;
var start = Math.round((this_chunk-1) * tests_per_chunk);
var end = Math.round(this_chunk * tests_per_chunk);
returnTests = [];
var dirs = []
for (var i = start; i < end; ++i) {
var dir = test_dirs[i];
dirs.push(dir);
returnTests = returnTests.concat(tests_by_dir[dir]);
}
if (logger)
logger.log("Running tests in " + dirs.join(", "));
} else {
var tests_per_chunk = tests.length / total_chunks;
var start = Math.round((this_chunk-1) * tests_per_chunk);
var end = Math.round(this_chunk * tests_per_chunk);
returnTests = tests.slice(start, end);
if (logger)
logger.log("Running tests " + (start+1) + "-" + end + "/" + tests.length);
}
return returnTests;
}
function skipTests(tests, startTestPattern, endTestPattern) {
var startIndex = 0, endIndex = tests.length - 1;
for (var i = 0; i < tests.length; ++i) {
var test_path = tests[i];
if (startTestPattern && test_path.endsWith(startTestPattern)) {
startIndex = i;
}
if (endTestPattern && test_path.endsWith(endTestPattern)) {
endIndex = i;
}
}
return tests.slice(startIndex, endIndex + 1);
}