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# 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
import json
import os
import sys
import types
"testing": {
"short": "Testing",
"long": "Run tests.",
"priority": 30,
"devenv": {
"short": "Development Environment",
"long": "Set up and configure your development environment.",
"priority": 20,
"misc": {
"short": "Potpourri",
"long": "Potent potables and assorted snacks.",
"priority": 10,
"disabled": {
"short": "Disabled",
"long": "The disabled commands are hidden by default. Use -v to display them. "
"These commands are unavailable for your current context, "
'run "mach <command>" to see why.',
"priority": 0,
IS_WIN = sys.platform in ("win32", "cygwin")
def ancestors(path, depth=0):
"""Emit the parent directories of a path."""
count = 1
while path and count != depth:
yield path
newpath = os.path.dirname(path)
if newpath == path:
path = newpath
count += 1
def activate_mozharness_venv(context):
"""Activate the mozharness virtualenv in-process."""
venv = os.path.join(
context.mozharness_config.get("virtualenv_path", "venv"),
if not os.path.isdir(venv):
print("No mozharness virtualenv detected at '{}'.".format(venv))
return 1
venv_bin = os.path.join(venv, "Scripts" if IS_WIN else "bin")
activate_path = os.path.join(venv_bin, "")
exec(open(activate_path).read(), dict(__file__=activate_path))
if isinstance(os.environ["PATH"], str):
os.environ["PATH"] = os.environ["PATH"].encode("utf-8")
# sys.executable is used by mochitest-media to start the websocketprocessbridge,
# for some reason it doesn't get set when calling `` so set it
# here instead.
binary = "python"
if IS_WIN:
binary += ".exe"
sys.executable = os.path.join(venv_bin, binary)
def find_firefox(context):
"""Try to automagically find the firefox binary."""
import mozinstall
search_paths = []
# Check for a mozharness setup
config = context.mozharness_config
if config and "binary_path" in config:
return config["binary_path"]
elif config:
search_paths.append(os.path.join(context.mozharness_workdir, "application"))
# Check for test-stage setup
dist_bin = os.path.join(os.path.dirname(context.package_root), "bin")
if os.path.isdir(dist_bin):
for path in search_paths:
return mozinstall.get_binary(path, "firefox")
except mozinstall.InvalidBinary:
def find_hostutils(context):
workdir = context.mozharness_workdir
hostutils = os.path.join(workdir, "hostutils")
for fname in os.listdir(hostutils):
fpath = os.path.join(hostutils, fname)
if os.path.isdir(fpath) and fname.startswith("host-utils"):
return fpath
def normalize_test_path(test_root, path):
if os.path.isabs(path) or os.path.exists(path):
return os.path.normpath(os.path.abspath(path))
for parent in ancestors(test_root):
test_path = os.path.join(parent, path)
if os.path.exists(test_path):
return os.path.normpath(os.path.abspath(test_path))
# Not a valid path? Return as is and let test harness deal with it
return path
def bootstrap(test_package_root):
test_package_root = os.path.abspath(test_package_root)
sys.path[0:0] = [os.path.join(test_package_root, path) for path in SEARCH_PATHS]
import mach.main
from mach.main import MachCommandReference
# Centralized registry of available mach commands
"gtest": MachCommandReference("gtest/"),
"marionette-test": MachCommandReference(
"mochitest": MachCommandReference("mochitest/"),
"geckoview-junit": MachCommandReference(
"reftest": MachCommandReference("reftest/"),
"mach-commands": MachCommandReference(
"mach-debug-commands": MachCommandReference(
"mach-completion": MachCommandReference(
"web-platform-tests": MachCommandReference(
"wpt": MachCommandReference("web-platform/"),
"xpcshell-test": MachCommandReference("xpcshell/"),
def populate_context(context, key=None):
# These values will be set lazily, and cached after first being invoked.
if key == "package_root":
return test_package_root
if key == "bin_dir":
return os.path.join(test_package_root, "bin")
if key == "certs_dir":
return os.path.join(test_package_root, "certs")
if key == "module_dir":
return os.path.join(test_package_root, "modules")
if key == "ancestors":
return ancestors
if key == "normalize_test_path":
return normalize_test_path
if key == "firefox_bin":
return find_firefox(context)
if key == "hostutils":
return find_hostutils(context)
if key == "mozharness_config":
for dir_path in ancestors(context.package_root):
mozharness_config = os.path.join(dir_path, "logs", "localconfig.json")
if os.path.isfile(mozharness_config):
with open(mozharness_config, "rb") as f:
return json.load(f)
return {}
if key == "mozharness_workdir":
config = context.mozharness_config
if config:
return os.path.join(config["base_work_dir"], config["work_dir"])
if key == "activate_mozharness_venv":
return types.MethodType(activate_mozharness_venv, context)
mach = mach.main.Mach(os.getcwd())
mach.populate_context_handler = populate_context
for category, meta in CATEGORIES.items():
mach.define_category(category, meta["short"], meta["long"], meta["priority"])
# Depending on which test zips were extracted,
# the command module might not exist
mach.load_commands_from_spec(MACH_COMMANDS, test_package_root, missing_ok=True)
return mach