removed old (broken) unit tests; started adding new ones...
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tests/test_EBNFcompiler.py
0 → 100644
tests/test_syntaxtree.py
0 → 100644
| #!/usr/bin/python3 | ||
| """test_syntaxtree.py - test of syntaxtree-module of DHParser | ||
| Author: Eckhart Arnold <arnold@badw.de> | ||
| Copyright 2017 Bavarian Academy of Sciences and Humanities | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| """ | ||
| import os | ||
| import re | ||
| import sys | ||
| sys.path.append(os.path.abspath('../../')) | ||
| from syntaxtree import Node, compact_sexpr | ||
| class DummyParser: | ||
| def __init__(self, name=''): | ||
| self.name = name | ||
| def __str__(self): | ||
| return self.name or self.__class__.__name__ | ||
| def __call__(self, text): | ||
| return None, text | ||
| def from_sexpr(s): | ||
| """Generates a tree of nodes from an S-expression. | ||
| """ | ||
| def next_block(s): | ||
| s = s.strip() | ||
| while s[0] != ')': | ||
| assert s[0] == '(', s | ||
| level = 1; i = 1 | ||
| while level > 0: | ||
| if s[i] == '(': | ||
| level += 1 | ||
| elif s[i] == ')': | ||
| level -= 1 | ||
| i += 1 | ||
| yield s[:i] | ||
| s = s[i:].strip() | ||
| s = s.strip() | ||
| assert s[0] == '(', s | ||
| s = s[1:].strip() | ||
| m = re.match('\w+', s) | ||
| name = s[:m.end()] | ||
| s = s[m.end():].strip() | ||
| if s[0] == '(': | ||
| result = tuple(from_sexpr(block) for block in next_block(s)) | ||
| else: | ||
| m = re.match('\w+', s) | ||
| result = s[:m.end()] | ||
| s = s[m.end():].strip() | ||
| assert s[0] == ')', s | ||
| return Node(DummyParser(name), result) | ||
| class TestSExpr: | ||
| """ | ||
| Tests for S-expression handling. | ||
| """ | ||
| def test_compact_sexpr(self): | ||
| assert compact_sexpr("(a\n (b\n c\n )\n)\n") == "(a (b c))" | ||
| def test_selftest_from_sexpr(self): | ||
| sexpr = '(a (b c) (d e) (f (g h)))' | ||
| tree = from_sexpr(sexpr) | ||
| assert compact_sexpr(tree.as_sexpr(prettyprint=False)) == sexpr | ||
| class TestNode: | ||
| """ | ||
| Tests for class Node | ||
| """ | ||
| </ |