blob: 1b1233c613fd84bb4d49225a49a33bf9759858d3 [file] [log] [blame]
#!/usr/bin/env python3
import json
import os
import platform
import shutil
import subprocess
import sys
import tempfile
import unittest
WINDOWS = sys.platform.startswith('win')
MACOS = sys.platform == 'darwin'
MACOS_ARM64 = MACOS and platform.machine() == 'arm64'
emconfig = os.path.abspath('.emscripten')
assert os.path.exists(emconfig)
upstream_emcc = os.path.join('upstream', 'emscripten', 'emcc')
emsdk = './emsdk'
upstream_emcc += '.bat'
emsdk = 'emsdk.bat'
emsdk = './emsdk'
# Utilities
def listify(x):
if type(x) == list or type(x) == tuple:
return x
return [x]
def check_call(cmd, **args):
if type(cmd) != list:
cmd = cmd.split()
print('running: %s' % cmd)
args['universal_newlines'] = True
subprocess.check_call(cmd, **args)
def checked_call_with_output(cmd, expected=None, unexpected=None, stderr=None, env=None):
cmd = cmd.split(' ')
print('running: %s' % cmd)
stdout = subprocess.check_output(cmd, stderr=stderr, universal_newlines=True, env=env)
except subprocess.CalledProcessError as e:
raise e
if expected:
for x in listify(expected):
assert x in stdout, 'expected output missing: ' + stdout + '\n[[[' + x + ']]]'
if unexpected:
for x in listify(unexpected):
assert x not in stdout, 'unexpected output present: ' + stdout + '\n[[[' + x + ']]]'
def failing_call_with_output(cmd, expected, env=None):
proc = subprocess.Popen(cmd.split(' '), stdout=subprocess.PIPE, stderr=subprocess.PIPE, universal_newlines=True, env=env)
stdout, stderr = proc.communicate()
print('warning: skipping part of failing_call_with_output() due to error codes not being propagated (see #592)')
assert proc.returncode, 'call must have failed: ' + str([stdout, '\n========\n', stderr])
assert expected in stdout or expected in stderr, 'call did not have the expected output: %s: %s' % (expected, str([stdout, '\n========\n', stderr]))
def hack_emsdk(marker, replacement):
with open('') as f:
src =
assert marker in src
src = src.replace(marker, replacement)
name = '__test_emsdk'
with open(name, 'w') as f:
return name
# Set up
TAGS = json.loads(open('emscripten-releases-tags.json').read())
# Tests
def do_lib_building(emcc):
cache_building_messages = ['generating system library: ']
def do_build(args, is_expected=None):
unexpected = None
expected = None
if is_expected is True:
expected = cache_building_messages
elif is_expected is False:
unexpected = cache_building_messages
checked_call_with_output(emcc + ' hello_world.c' + args,
# The emsdk ships all system libraries so we don't expect to see any
# cache population unless we explicly --clear-cache.
do_build('', is_expected=False)
check_call(emcc + ' --clear-cache')
do_build(' -O2', is_expected=True)
# Do another build at -O0. In nwers SDK versions this generates
# different libs, but not in older ones so don't assert here.
# Now verify that libs are *not* build
do_build(' -s WASM=0', is_expected=False)
do_build(' -O2 -s WASM=0', is_expected=False)
def run_emsdk(cmd):
if type(cmd) != list:
cmd = cmd.split()
check_call([emsdk] + cmd)
class Emsdk(unittest.TestCase):
def setUpClass(cls):
with open('hello_world.c', 'w') as f:
#include <stdio.h>
int main() {
printf("Hello, world!\\n");
return 0;
def setUp(self):
run_emsdk('install latest')
run_emsdk('activate latest')
def test_unknown_arch(self):
env = os.environ.copy()
env['EMSDK_ARCH'] = 'mips'
failing_call_with_output(emsdk + ' install latest',
expected='unknown machine architecture: mips',
def test_wrong_bitness(self):
env = os.environ.copy()
env['EMSDK_ARCH'] = 'x86'
failing_call_with_output(emsdk + ' install sdk-latest-64bit',
expected='is only provided for 64-bit OSe',
def test_already_installed(self):
# Test we don't re-download unnecessarily
checked_call_with_output(emsdk + ' install latest', expected='already installed', unexpected='Downloading:')
def test_list(self):
# Test we report installed tools properly. The latest version should be
# installed, but not some random old one.
checked_call_with_output(emsdk + ' list', expected=TAGS['aliases']['latest'] + ' INSTALLED', unexpected='1.39.15 INSTALLED:')
def test_config_contents(self):
print('test .emscripten contents')
with open(emconfig) as f:
config =
assert 'upstream' in config
def test_lib_building(self):
print('building proper system libraries')
def test_redownload(self):
print('go back to using upstream')
run_emsdk('activate latest')
# Test the normal tools like node don't re-download on re-install
print('another install must re-download')
checked_call_with_output(emsdk + ' uninstall node-15.14.0-64bit')
checked_call_with_output(emsdk + ' install node-15.14.0-64bit', expected='Downloading:', unexpected='already installed')
checked_call_with_output(emsdk + ' install node-15.14.0-64bit', unexpected='Downloading:', expected='already installed')
def test_tot_upstream(self):
print('test update-tags')
print('test tot-upstream')
run_emsdk('install tot-upstream')
with open(emconfig) as f:
config =
run_emsdk('activate tot-upstream')
with open(emconfig + '.old') as f:
old_config =
self.assertEqual(config, old_config)
# TODO; test on latest as well
check_call(upstream_emcc + ' hello_world.c')
def test_closure(self):
# Specificlly test with `--closure` so we know that node_modules is working
check_call(upstream_emcc + ' hello_world.c --closure=1')
def test_specific_version(self):
self.skipTest('Old sdk versions do not have ARM64 binaries')
print('test specific release (new, short name)')
run_emsdk('install 1.38.33')
print('another install, but no need for re-download')
checked_call_with_output(emsdk + ' install 1.38.33', expected='Skipped', unexpected='Downloading:')
run_emsdk('activate 1.38.33')
def test_specific_version_full(self):
self.skipTest('Old sdk versions do not have ARM64 binaries')
print('test specific release (new, full name)')
run_emsdk('install sdk-1.38.33-64bit')
run_emsdk('activate sdk-1.38.33-64bit')
print('test specific release (new, tag name)')
run_emsdk('install sdk-tag-1.38.33-64bit')
run_emsdk('activate sdk-tag-1.38.33-64bit')
def test_binaryen_from_source(self):
print('test binaryen source build')
run_emsdk(['install', '--build=Release', '--generator=Unix Makefiles', 'binaryen-main-64bit'])
def test_no_32bit(self):
print('test 32-bit error')
emsdk_hacked = hack_emsdk('not is_os_64bit()', 'True')
failing_call_with_output('%s %s install latest' % (sys.executable, emsdk_hacked),
'this tool is only provided for 64-bit OSes')
def test_update_no_git(self):
print('test non-git update')
temp_dir = tempfile.mkdtemp()
for filename in os.listdir('.'):
if not filename.startswith('.') and not os.path.isdir(filename):
shutil.copy2(filename, os.path.join(temp_dir, filename))
olddir = os.getcwd()
print('second time')
def test_install_arbitrary(self):
# Test that its possible to install arbrary emscripten-releases SDKs
run_emsdk('install 1b7f7bc6002a3ca73647f41fc10e1fac7f06f804')
# Check that its not re-downloaded
checked_call_with_output(emsdk + ' install 1b7f7bc6002a3ca73647f41fc10e1fac7f06f804', expected='Skipped', unexpected='Downloading:')
def test_install_tool(self):
# Test that its possible to install emscripten as tool instead of SDK
checked_call_with_output(emsdk + ' install releases-77b065ace39e6ab21446e13f92897f956c80476a', unexpected='Installing SDK')
def test_activate_missing(self):
run_emsdk('install latest')
failing_call_with_output(emsdk + ' activate 2.0.1', expected="error: tool is not installed and therefore cannot be activated: 'releases-13e29bd55185e3c12802bc090b4507901856b2ba-64bit'")
def test_keep_downloads(self):
env = os.environ.copy()
# With EMSDK_KEEP_DOWNLOADS the downloading should happen on the first
# install of 2.0.28, and again when we install 2.0.29, but not on the
# second install of 2.0.28 because the zip should already be local.
checked_call_with_output(emsdk + ' install 2.0.28', expected='Downloading:', env=env)
checked_call_with_output(emsdk + ' install 2.0.29', expected='Downloading:', env=env)
checked_call_with_output(emsdk + ' install 2.0.28', expected='already downloaded, skipping', unexpected='Downloading:', env=env)
if __name__ == '__main__':