blob: 7155da78704d117b2e99d21f0ccfd4c0fcf02e6a [file] [log] [blame]
#!/usr/bin/python
# Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
# for details. All rights reserved. Use of this source code is governed by a
# BSD-style license that can be found in the LICENSE file.
import idlparser
import logging.config
import sys
import unittest
class IDLParserTestCase(unittest.TestCase):
def _run_test(self, syntax, content, expected):
"""Utility for running a IDL parsing tests and comparing results.
Program exits (sys.exit) if expected does not match actual.
Args:
syntax -- IDL grammar to use (either idlparser.WEBKIT_SYNTAX,
WEBIDL_SYNTAX or FREMONTCUT_SYNTAX). If None, will run
multiple tests, each with a different syntax.
content -- input text for the parser.
expected -- expected parse result.
"""
all_syntaxes = {idlparser.WEBIDL_SYNTAX: 'Web IDL',
idlparser.WEBKIT_SYNTAX: 'WebKit',
idlparser.FREMONTCUT_SYNTAX: 'FremontCut'}
if syntax is None:
for syntax in all_syntaxes:
self._run_test(syntax, content, expected)
return
if syntax not in all_syntaxes:
raise RuntimeError('Unexpected syntax %s' % syntax)
actual = None
error = None
try:
parser = idlparser.IDLParser(syntax)
actual = parser.parse(content)
except SyntaxError, e:
error = e
pass
if actual != expected:
self.fail('''
SYNTAX : %s
CONTENT :
%s
EXPECTED:
%s
ACTUAL :
%s
ERROR : %s''' % (all_syntaxes[syntax], content, expected, actual, error))
def test_empty_module(self):
self._run_test(
None,
'module M {};',
[('Module', [('Id', 'M')])])
def test_empty_interface(self):
self._run_test(
None,
'interface I {};',
[('Interface', [('Id', 'I')])])
def test_module_with_empty_interface(self):
self._run_test(
None,
'module M { interface I {}; };',
[('Module', [('Id', 'M'), ('Interface', [('Id', 'I')])])])
# testing the gcc pre-processing
def test_gcc_preprocessing(self):
self._run_test(
idlparser.WEBKIT_SYNTAX,
'''
#if 1
module M1 {};
#endif
#if 0
module M2 {};
#endif
''',
[('Module', [('Id', 'M1')])])
def test_attribute_with_exceptoins(self):
self._run_test(
idlparser.WEBKIT_SYNTAX,
'''interface I {
attribute boolean A setter raises (E), getter raises (E);
};''',
[('Interface', [('Id', 'I'), ('Attribute', [('Type', [('BooleanType', None)]), ('Id', 'A'), ('SetRaises', [('ScopedName', 'E')]), ('GetRaises', [('ScopedName', 'E')])])])])
def test_interface_with_extended_attributes(self):
self._run_test(
idlparser.WEBKIT_SYNTAX,
'interface [ExAt1, ExAt2] I {};',
[('Interface', [('ExtAttrs', [('ExtAttr', [('Id', 'ExAt1')]), ('ExtAttr', [('Id', 'ExAt2')])]), ('Id', 'I')])])
def test_implements_statement(self):
self._run_test(
idlparser.WEBIDL_SYNTAX,
'X implements Y;',
[('ImplStmt', [('ImplStmtImplementor', ('ScopedName', 'X')), ('ImplStmtImplemented', ('ScopedName', 'Y'))])])
def test_operation(self):
self._run_test(
None,
'interface I { boolean func(); };',
[('Interface', [('Id', 'I'), ('Operation', [('ReturnType', [('BooleanType', None)]), ('Id', 'func')])])])
def test_attribute_types(self):
self._run_test(
None,
'''interface I {
attribute boolean boolAttr;
attribute DOMString strAttr;
attribute SomeType someAttr;
};''',
[('Interface', [('Id', 'I'), ('Attribute', [('Type', [('BooleanType', None)]), ('Id', 'boolAttr')]), ('Attribute', [('Type', [('ScopedName', 'DOMString')]), ('Id', 'strAttr')]), ('Attribute', [('Type', [('ScopedName', 'SomeType')]), ('Id', 'someAttr')])])])
def test_constants(self):
self._run_test(
None,
'''interface I {
const long c1 = 0;
const long c2 = 1;
const long c3 = 0x01;
const long c4 = 10;
const boolean b1 = true;
const boolean b1 = false;
};''',
[('Interface', [('Id', 'I'), ('Const', [('Type', [('LongType', None)]), ('Id', 'c1'), ('ConstExpr', '0')]), ('Const', [('Type', [('LongType', None)]), ('Id', 'c2'), ('ConstExpr', '1')]), ('Const', [('Type', [('LongType', None)]), ('Id', 'c3'), ('ConstExpr', '0x01')]), ('Const', [('Type', [('LongType', None)]), ('Id', 'c4'), ('ConstExpr', '10')]), ('Const', [('Type', [('BooleanType', None)]), ('Id', 'b1'), ('ConstExpr', 'true')]), ('Const', [('Type', [('BooleanType', None)]), ('Id', 'b1'), ('ConstExpr', 'false')])])])
def test_inheritance(self):
self._run_test(
None,
'''
interface Shape {};
interface Rectangle : Shape {};
interface Square : Rectangle, Shape {};
''',
[('Interface', [('Id', 'Shape')]), ('Interface', [('Id', 'Rectangle'), ('ParentInterface', [('InterfaceType', ('ScopedName', 'Shape'))])]), ('Interface', [('Id', 'Square'), ('ParentInterface', [('InterfaceType', ('ScopedName', 'Rectangle'))]), ('ParentInterface', [('InterfaceType', ('ScopedName', 'Shape'))])])])
def test_annotations(self):
self._run_test(
idlparser.FREMONTCUT_SYNTAX,
'@Ano1 @Ano2() @Ano3(x) @Ano4(x=1,y=2) interface I {};',
[('Interface', [('Annotation', [('Id', 'Ano1')]), ('Annotation', [('Id', 'Ano2')]), ('Annotation', [('Id', 'Ano3'), ('AnnotationArg', [('Id', 'x')])]), ('Annotation', [('Id', 'Ano4'), ('AnnotationArg', [('Id', 'x'), ('AnnotationArgValue', '1')]), ('AnnotationArg', [('Id', 'y'), ('AnnotationArgValue', '2')])]), ('Id', 'I')])])
if __name__ == "__main__":
logging.config.fileConfig("logging.conf")
if __name__ == '__main__':
unittest.main()