File: test_cursor_kind.py

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import os
from clang.cindex import Config
if 'CLANG_LIBRARY_PATH' in os.environ:
    Config.set_library_path(os.environ['CLANG_LIBRARY_PATH'])

from clang.cindex import CursorKind

import unittest


class TestCursorKind(unittest.TestCase):
    def test_name(self):
        self.assertEqual(CursorKind.UNEXPOSED_DECL.name, 'UNEXPOSED_DECL')

    def test_get_all_kinds(self):
        kinds = CursorKind.get_all_kinds()
        self.assertIn(CursorKind.UNEXPOSED_DECL, kinds)
        self.assertIn(CursorKind.TRANSLATION_UNIT, kinds)
        self.assertIn(CursorKind.VARIABLE_REF, kinds)
        self.assertIn(CursorKind.LAMBDA_EXPR, kinds)
        self.assertIn(CursorKind.OBJ_BOOL_LITERAL_EXPR, kinds)
        self.assertIn(CursorKind.OBJ_SELF_EXPR, kinds)
        self.assertIn(CursorKind.MS_ASM_STMT, kinds)
        self.assertIn(CursorKind.MODULE_IMPORT_DECL, kinds)
        self.assertIn(CursorKind.TYPE_ALIAS_TEMPLATE_DECL, kinds)

    def test_kind_groups(self):
        """Check that every kind classifies to exactly one group."""

        self.assertTrue(CursorKind.UNEXPOSED_DECL.is_declaration())
        self.assertTrue(CursorKind.TYPE_REF.is_reference())
        self.assertTrue(CursorKind.DECL_REF_EXPR.is_expression())
        self.assertTrue(CursorKind.UNEXPOSED_STMT.is_statement())
        self.assertTrue(CursorKind.INVALID_FILE.is_invalid())

        self.assertTrue(CursorKind.TRANSLATION_UNIT.is_translation_unit())
        self.assertFalse(CursorKind.TYPE_REF.is_translation_unit())

        self.assertTrue(CursorKind.PREPROCESSING_DIRECTIVE.is_preprocessing())
        self.assertFalse(CursorKind.TYPE_REF.is_preprocessing())

        self.assertTrue(CursorKind.UNEXPOSED_DECL.is_unexposed())
        self.assertFalse(CursorKind.TYPE_REF.is_unexposed())

        for k in CursorKind.get_all_kinds():
            group = [n for n in ('is_declaration', 'is_reference', 'is_expression',
                                 'is_statement', 'is_invalid', 'is_attribute')
                     if getattr(k, n)()]

            if k in (   CursorKind.TRANSLATION_UNIT,
                        CursorKind.MACRO_DEFINITION,
                        CursorKind.MACRO_INSTANTIATION,
                        CursorKind.INCLUSION_DIRECTIVE,
                        CursorKind.PREPROCESSING_DIRECTIVE,
                        CursorKind.OVERLOAD_CANDIDATE):
                self.assertEqual(len(group), 0)
            else:
                self.assertEqual(len(group), 1)