def test_js_engine_path(self):
# Test that running JS commands works for node, d8, and jsc and is not path dependent
restore_and_set_up()
sample_script = path_from_root('tests', 'print_args.js')
# Fake some JS engines
# Note that the path contains 'd8'.
test_path = self.in_dir('fake', 'abcd8765')
ensure_dir(test_path)
jsengines = [('d8', config.V8_ENGINE),
('d8_g', config.V8_ENGINE),
('js', config.SPIDERMONKEY_ENGINE),
('node', config.NODE_JS),
('nodejs', config.NODE_JS)]
for filename, engine in jsengines:
try_delete(SANITY_FILE)
if type(engine) is list:
engine = engine[0]
if not engine:
print('WARNING: Not testing engine %s, not configured.' % (filename))
continue
print(filename, engine)
test_engine_path = os.path.join(test_path, filename)
with open(test_engine_path, 'w') as f:
f.write('#!/bin/sh\n')
f.write('exec %s $@\n' % (engine))
make_executable(test_engine_path)
out = self.run_js(sample_script, engine=test_engine_path, args=['--foo'])
self.assertEqual('0: --foo', out.strip())
def make_fake_wasm_opt(filename, version):
print('make_fake_wasm_opt: %s' % filename)
ensure_dir(os.path.dirname(filename))
with open(filename, 'w') as f:
f.write('#!/bin/sh\n')
f.write('echo "wasm-opt version %s"\n' % version)
f.write('echo "..."\n')
make_executable(filename)
def make_fake_llc(filename, targets):
"""Create a fake llc that only handles --version and writes target
list to stdout.
"""
print('make_fake_llc: %s' % filename)
ensure_dir(os.path.dirname(filename))
with open(filename, 'w') as f:
f.write('#!/bin/sh\n')
f.write('echo "llc fake output\nRegistered Targets:\n%s"' % targets)
make_executable(filename)
def make_fake_tool(filename, version, report_name=None):
if not report_name:
report_name = os.path.basename(filename)
print('make_fake_tool: %s' % filename)
ensure_dir(os.path.dirname(filename))
with open(filename, 'w') as f:
f.write('#!/bin/sh\n')
f.write('echo "%s version %s"\n' % (report_name, version))
f.write('echo "..."\n')
f.write('exit 0\n')
make_executable(filename)
def make_fake_clang(filename, version):
"""Create a fake clang that only handles --version
--version writes to stdout (unlike -v which writes to stderr)
"""
print('make_fake_clang: %s' % filename)
ensure_dir(os.path.dirname(filename))
with open(filename, 'w') as f:
f.write('#!/bin/sh\n')
f.write('echo "clang version %s"\n' % version)
f.write('echo "..."\n')
shutil.copyfile(filename, filename + '++')
make_executable(filename)
make_executable(filename + '++')
def test_node(self):
NODE_WARNING = 'node version appears too old'
NODE_WARNING_2 = 'cannot check node version'
restore_and_set_up()
# Clang should report the version number we expect, and emcc should not warn
assert shared.check_node_version()
output = self.check_working(EMCC)
self.assertNotContained(NODE_WARNING, output)
# Fake a different node version
restore_and_set_up()
with open(config_file, 'a') as f:
f.write('NODE_JS = "' + self.in_dir('fake', 'nodejs') + '"')
ensure_dir('fake')
for version, succeed in [('v0.8.0', False),
('v4.1.0', False),
('v4.1.1', True),
('v4.2.3-pre', True),
('cheez', False)]:
print(version, succeed)
try_delete(SANITY_FILE)
f = open(self.in_dir('fake', 'nodejs'), 'w')
f.write('#!/bin/sh\n')
f.write('''if [ $1 = "--version" ]; then
echo "%s"
else
%s $@
fi
''' % (version, ' '.join(config.NODE_JS)))
f.close()
make_executable(self.in_dir('fake', 'nodejs'))
if not succeed:
if version[0] == 'v':
self.check_working(EMCC, NODE_WARNING)
else:
self.check_working(EMCC, NODE_WARNING_2)
else:
output = self.check_working(EMCC)
self.assertNotContained(NODE_WARNING, output)
def make_new_executable(name):
open(os.path.join(temp_bin, name), 'w').close()
make_executable(os.path.join(temp_bin, name))
def make_fake_lld(filename):
print('make_fake_lld: %s' % filename)
with open(filename, 'w') as f:
f.write('#!/bin/sh\n')
f.write('exit 0\n')
make_executable(filename)