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path: root/python/servo/testing_commands.py
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from __future__ import print_function, unicode_literals

import os
import os.path as path
import subprocess
from time import time

from mach.registrar import Registrar
from mach.decorators import (
    CommandArgument,
    CommandProvider,
    Command,
)

from servo.command_base import CommandBase
import tidy


@CommandProvider
class MachCommands(CommandBase):
    def __init__(self, context):
        CommandBase.__init__(self, context)
        if not hasattr(self.context, "built_tests"):
            self.context.built_tests = False

    def ensure_built_tests(self):
        if self.context.built_tests:
            return
        Registrar.dispatch('build-tests', context=self.context)
        self.context.built_tests = True

    def find_test(self, prefix):
        candidates = [
            f for f in os.listdir(path.join(self.context.topdir, "target"))
            if f.startswith(prefix + "-")]
        if candidates:
            return path.join(self.context.topdir, "target", candidates[0])
        return None

    def run_test(self, prefix, args=[]):
        t = self.find_test(prefix)
        if t:
            return subprocess.call([t] + args, env=self.build_env())

    @Command('test',
             description='Run all Servo tests',
             category='testing')
    def test(self):
        test_start = time()
        for t in ["tidy", "unit", "ref", "content", "wpt"]:
            Registrar.dispatch("test-%s" % t, context=self.context)
        elapsed = time() - test_start

        print("Tests completed in %0.2fs" % elapsed)

    @Command('test-unit',
             description='Run unit tests',
             category='testing',
             allow_all_args=True)
    @CommandArgument('test_name', default=None, nargs="...",
                     help="Only run tests that match this pattern")
    def test_unit(self, test_name=None):
        if test_name is None:
            test_name = []
        self.ensure_bootstrapped()
        self.ensure_built_tests()

        ret = self.run_test("servo", test_name) != 0

        def cargo_test(component):
            return 0 != subprocess.call(
                ["cargo", "test", "-p", component], env=self.build_env())

        for component in os.listdir("components"):
            ret = ret or cargo_test(component)

        return ret

    @Command('test-ref',
             description='Run the reference tests',
             category='testing')
    @CommandArgument('--kind', '-k', default=None,
                     help="'cpu' or 'gpu' (default both)")
    @CommandArgument('test_name', default=None, nargs="?",
                     help="Only run tests that match this pattern")
    @CommandArgument(
        'servo_params', default=None, nargs="...",
        help="Command-line arguments to be passed through to Servo")
    def test_ref(self, kind=None, test_name=None, servo_params=None):
        self.ensure_bootstrapped()
        self.ensure_built_tests()

        kinds = ["cpu", "gpu"] if kind is None else [kind]
        test_path = path.join(self.context.topdir, "tests", "ref")
        error = False

        test_start = time()
        for k in kinds:
            print("Running %s reftests..." % k)
            test_args = [k, test_path]
            if test_name is not None:
                test_args.append(test_name)
            if servo_params is not None:
                test_args += ["--"] + servo_params
            ret = self.run_test("reftest", test_args)
            error = error or ret != 0
        elapsed = time() - test_start

        print("Reference tests completed in %0.2fs" % elapsed)

        if error:
            return 1

    @Command('test-content',
             description='Run the content tests',
             category='testing',
             allow_all_args=True)
    @CommandArgument('test_name', default=None, nargs="?",
                     help="Only run tests that match this pattern")
    def test_content(self, test_name=None):
        self.ensure_bootstrapped()
        self.ensure_built_tests()

        test_path = path.join(self.context.topdir, "tests", "content")
        test_args = ["--source-dir=%s" % test_path]

        if test_name is not None:
            test_args.append(test_name)

        test_start = time()
        ret = self.run_test("contenttest", test_args)
        elapsed = time() - test_start

        print("Content tests completed in %0.2fs" % elapsed)
        return ret

    @Command('test-tidy',
             description='Run the source code tidiness check',
             category='testing')
    def test_tidy(self):
        return tidy.scan()

    @Command('test-wpt',
             description='Run the web platform tests',
             category='testing',
             allow_all_args=True)
    @CommandArgument(
        'params', default=None, nargs='...',
        help="Command-line arguments to be passed through to wpt/run.sh")
    def test_wpt(self, params=None):
        if params is None:
            params = []
        return subprocess.call(
            ["bash", path.join("tests", "wpt", "run.sh")] + params,
            env=self.build_env())