diff options
| -rw-r--r-- | tests/test_other.py | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/tests/test_other.py b/tests/test_other.py index 69823d8e..f81e9627 100644 --- a/tests/test_other.py +++ b/tests/test_other.py @@ -1910,3 +1910,51 @@ done. assert '''tests/hello_world.c"''' in out assert '''printf("hello, world!''' in out + def test_module_exports_with_closure(self): + # This test checks that module.export is retained when JavaScript is minified by compiling with --closure 1 + # This is important as if module.export is not present the Module object will not be visible to node.js + # Run with ./runner.py other.test_module_exports_with_closure + + # First make sure test.js isn't present. + try_delete(path_from_root('tests/Module-exports', 'test.js')) + assert not os.path.exists(path_from_root('tests/Module-exports', 'test.js')) + + # compile with -O2 --closure 0 + Popen([PYTHON, EMCC, path_from_root('tests/Module-exports', 'test.c'), '-o', path_from_root('tests/Module-exports', 'test.js'), '-O2', '--closure', '0', '--pre-js', path_from_root('tests/Module-exports', 'setup.js'), '-s', 'EXPORTED_FUNCTIONS=["_bufferTest"]'], stdout=PIPE, stderr=PIPE).communicate() + + # Check that compilation was successful + assert os.path.exists(path_from_root('tests/Module-exports', 'test.js')) + test_js_closure_0 = open(path_from_root('tests/Module-exports', 'test.js')).read() + + # Check that test.js compiled with --closure 0 contains "module['exports'] = Module;" + assert "module['exports'] = Module;" in test_js_closure_0 + + # Check that main.js (which includes test.js) completes successfully + self.assertContained('bufferTest finished', run_js(path_from_root('tests/Module-exports', 'main.js'))) + + # Delete test.js again and check it's gone. + try_delete(path_from_root('tests/Module-exports', 'test.js')) + assert not os.path.exists(path_from_root('tests/Module-exports', 'test.js')) + + # compile with -O2 --closure 1 + Popen([PYTHON, EMCC, path_from_root('tests/Module-exports', 'test.c'), '-o', path_from_root('tests/Module-exports', 'test.js'), '-O2', '--closure', '1', '--pre-js', path_from_root('tests/Module-exports', 'setup.js'), '-s', 'EXPORTED_FUNCTIONS=["_bufferTest"]'], stdout=PIPE, stderr=PIPE).communicate() + + # Check that compilation was successful + assert os.path.exists(path_from_root('tests/Module-exports', 'test.js')) + test_js_closure_1 = open(path_from_root('tests/Module-exports', 'test.js')).read() + + # Check that test.js compiled with --closure 1 contains "module.exports", we want to verify that + # "module['exports']" got minified to "module.exports" when compiling with --closure 1 + assert "module.exports" in test_js_closure_1 + + # Check that main.js (which includes test.js) completes successfully + self.assertContained('bufferTest finished', run_js(path_from_root('tests/Module-exports', 'main.js'))) + + # Tidy up files that might have been created by this test. + try_delete(path_from_root('tests/Module-exports', 'test.js')) + try_delete(path_from_root('tests/Module-exports', 'test.js.map')) + + # ----------------------------- End of test_module_exports_with_closure ----------------------------- + + + |