import unittest
from rope.refactor import similarfinder
from ropetest import testutils
class SimilarFinderTest(unittest.TestCase):
def setUp(self):
super(SimilarFinderTest, self).setUp()
self.project = testutils.sample_project()
self.mod = testutils.create_module(self.project, 'mod')
def tearDown(self):
testutils.remove_project(self.project)
super(SimilarFinderTest, self).tearDown()
def _create_finder(self, source, **kwds):
self.mod.write(source)
pymodule = self.project.pycore.resource_to_pyobject(self.mod)
return similarfinder.SimilarFinder(pymodule, **kwds)
def test_trivial_case(self):
finder = self._create_finder('')
self.assertEquals([], list(finder.get_match_regions('10')))
def test_constant_integer(self):
source = 'a = 10\n'
finder = self._create_finder(source)
result = [(source.index('10'), source.index('10') + 2)]
self.assertEquals(result, list(finder.get_match_regions('10')))
def test_simple_addition(self):
source = 'a = 1 + 2\n'
finder = self._create_finder(source)
result = [(source.index('1'), source.index('2') + 1)]
self.assertEquals(result, list(finder.get_match_regions('1 + 2')))
def test_simple_addition2(self):
source = 'a = 1 +2\n'
finder = self._create_finder(source)
result = [(source.index('1'), source.index('2') + 1)]
self.assertEquals(result, list(finder.get_match_regions('1 + 2')))
def test_simple_assign_statements(self):
source = 'a = 1 + 2\n'
finder = self._create_finder(source)
self.assertEquals([(0, len(source) - 1)],
list(finder.get_match_regions('a = 1 + 2')))
def test_simple_multiline_statements(self):
source = 'a = 1\nb = 2\n'
finder = self._create_finder(source)
self.assertEquals([(0, len(source) - 1)],
list(finder.get_match_regions('a = 1\nb = 2')))
def test_multiple_matches(self):
source = 'a = 1 + 1\n'
finder = self._create_finder(source)
result = list(finder.get_match_regions('1'))
self.assertEquals(2, len(result))
start1 = source.index('1')
self.assertEquals((start1, start1 + 1) , result[0])
start2 = source.rindex('1')
self.assertEquals((start2, start2 + 1) , result[1])
def test_multiple_matches2(self):
source = 'a = 1\nb = 2\n\na = 1\nb = 2\n'
finder = self._create_finder(source)
self.assertEquals(
2, len(list(finder.get_match_regions('a = 1\nb = 2'))))
def test_restricting_the_region_to_search(self):
source = '1\n\n1\n'
finder = self._create_finder(source)
result = list(finder.get_match_regions('1', start=2))
start = source.rfind('1')
self.assertEquals([(start, start + 1)], result)
def test_matching_basic_patterns(self):
source = 'b = a\n'
finder = self._create_finder(source)
result = list(finder.get_match_regions('${a}', args={'a': 'exact'}))
start = source.rfind('a')
self.assertEquals([(start, start + 1)], result)
def test_match_get_ast(self):
source = 'b = a\n'
finder = self._create_finder(source)
result = list(finder.get_matches('${a}', args={'a': 'exact'}))
self.assertEquals('a', result[0].get_ast('a').id)
def test_match_get_ast_for_statements(self):
source = 'b = a\n'
finder = self._create_finder(source)
result = list(finder.get_matches('b = ${a}'))
self.assertEquals('a', result[0].get_ast('a').id)
def test_matching_multiple_patterns(self):
source = 'c = a + b\n'
finder = self._create_finder(source)
result = list(finder.get_matches('${a} + ${b}'))
self.assertEquals('a', result[0].get_ast('a').id)
self.assertEquals('b', result[0].get_ast('b').id)
def test_matching_any_patterns(self):
source = 'b = a\n'
finder = self._create_finder(source)
result = list(finder.get_matches('b = ${x}'))
self.assertEquals('a', result[0].get_ast('x').id)
def test_matching_any_patterns_repeating(self):
source = 'b = 1 + 1\n'
finder = self._create_finder(source)
result = list(finder.get_matches('b = ${x} + ${x}'))
self.assertEquals(1, result[0].get_ast('x').n)
def test_matching_any_patterns_not_matching_different_nodes(self):
source = 'b = 1 + 2\n'
finder = self._create_finder(source)
result = list(finder.get_matches('b = ${x} + ${x}'))
self.assertEquals(0, len(result))
def test_matching_normal_names_and_assname(self):
source = 'a = 1\n'
finder = self._create_finder(source)
result = list(finder.get_matches('${a} = 1'))
self.assertEquals('a', result[0].get_ast('a').id)
def test_matching_normal_names_and_assname2(self):
source = 'a = 1\n'
finder = self._create_finder(source)
result = list(finder.get_matches('${a}', args={'a': 'exact'}))
self.assertEquals(1, len(result))
def test_matching_normal_names_and_attributes(self):
source = 'x.a = 1\n'
finder = self._create_finder(source)
result = list(finder.get_matches('${a} = 1', args={'a': 'exact'}))
self.assertEquals(0, len(result))
def test_functions_not_matching_when_only_first_parameters(self):
source = 'f(1, 2)\n'
finder = self._create_finder(source)
self.assertEquals(0, len(list(finder.get_matches('f(1)'))))
def test_matching_nested_try_finally(self):
source = 'if 1:\n try:\n pass\n except:\n pass\n'
pattern = 'try:\n pass\nexcept:\n pass\n'
finder = self._create_finder(source)
self.assertEquals(1, len(list(finder.get_matches(pattern))))
def test_matching_dicts_inside_functions(self):
source = 'def f(p):\n d = {1: p.x}\n'
pattern = '{1: ${a}.x}'
finder = self._create_finder(source)
self.assertEquals(1, len(list(finder.get_matches(pattern))))
class CheckingFinderTest(unittest.TestCase):
def setUp(self):
super(CheckingFinderTest, self).setUp()
self.project = testutils.sample_project()
self.pycore = self.project.pycore
self.mod1 = testutils.create_module(self.project, 'mod1')
def tearDown(self):
testutils.remove_project(self.project)
super(CheckingFinderTest, self).tearDown()
def test_trivial_case(self):
self.mod1.write('')
pymodule = self.pycore.resource_to_pyobject(self.mod1)
finder = similarfinder.SimilarFinder(pymodule)
self.assertEquals([], list(finder.get_matches('10', {})))
def test_simple_finding(self):
self.mod1.write('class A(object):\n pass\na = A()\n')
pymodule = self.pycore.resource_to_pyobject(self.mod1)
finder = similarfinder.SimilarFinder(pymodule)
result = list(finder.get_matches('${anything} = ${A}()', {}))
self.assertEquals(1, len(result))
def test_not_matching_when_the_name_does_not_match(self):
self.mod1.write('class A(object):\n pass\na = list()\n')
pymodule = self.pycore.resource_to_pyobject(self.mod1)
finder = similarfinder.SimilarFinder(pymodule)
result = list(finder.get_matches('${anything} = ${C}()',
{'C': 'name=mod1.A'}))
self.assertEquals(0, len(result))
def test_not_matching_unknowns_finding(self):
self.mod1.write('class A(object):\n pass\na = unknown()\n')
pymodule = self.pycore.resource_to_pyobject(self.mod1)
finder = similarfinder.SimilarFinder(pymodule)
result = list(finder.get_matches('${anything} = ${C}()',
{'C': 'name=mod1.A'}))
self.assertEquals(0, len(result))
def test_finding_and_matching_pyobjects(self):
source = 'class A(object):\n pass\nNewA = A\na = NewA()\n'
self.mod1.write(source)
pymodule = self.pycore.resource_to_pyobject(self.mod1)
finder = similarfinder.SimilarFinder(pymodule)
result = list(finder.get_matches('${anything} = ${A}()',
{'A': 'object=mod1.A'}))
self.assertEquals(1, len(result))
start = source.rindex('a =')
self.assertEquals((start, len(source) - 1), result[0].get_region())
def test_finding_and_matching_types(self):
source = 'class A(object):\n def f(self):\n pass\n' \
'a = A()\nb = a.f()\n'
self.mod1.write(source)
pymodule = self.pycore.resource_to_pyobject(self.mod1)
finder = similarfinder.SimilarFinder(pymodule)
result = list(finder.get_matches('${anything} = ${inst}.f()',
{'inst': 'type=mod1.A'}))
self.assertEquals(1, len(result))
start = source.rindex('b')
self.assertEquals((start, len(source) - 1), result[0].get_region())
def test_checking_the_type_of_an_ass_name_node(self):
self.mod1.write('class A(object):\n pass\nan_a = A()\n')
pymodule = self.pycore.resource_to_pyobject(self.mod1)
finder = similarfinder.SimilarFinder(pymodule)
result = list(finder.get_matches('${a} = ${assigned}',
{'a': 'type=mod1.A'}))
self.assertEquals(1, len(result))
def test_checking_instance_of_an_ass_name_node(self):
self.mod1.write('class A(object):\n pass\n'
'class B(A):\n pass\nb = B()\n')
pymodule = self.pycore.resource_to_pyobject(self.mod1)
finder = similarfinder.SimilarFinder(pymodule)
result = list(finder.get_matches('${a} = ${assigned}',
{'a': 'instance=mod1.A'}))
self.assertEquals(1, len(result))
def test_checking_equality_of_imported_pynames(self):
mod2 = testutils.create_module(self.project, 'mod2')
mod2.write('class A(object):\n pass\n')
self.mod1.write('from mod2 import A\nan_a = A()\n')
pymod2 = self.pycore.resource_to_pyobject(mod2)
pymod1 = self.pycore.resource_to_pyobject(self.mod1)
finder = similarfinder.SimilarFinder(pymod1)
result = list(finder.get_matches('${a_class}()',
{'a_class': 'name=mod2.A'}))
self.assertEquals(1, len(result))
class TemplateTest(unittest.TestCase):
def test_simple_templates(self):
template = similarfinder.CodeTemplate('${a}\n')
self.assertEquals(set(['a']), set(template.get_names()))
def test_ignoring_matches_in_comments(self):
template = similarfinder.CodeTemplate('#${a}\n')
self.assertEquals([], template.get_names())
def test_ignoring_matches_in_strings(self):
template = similarfinder.CodeTemplate("'${a}'\n")
self.assertEquals([], template.get_names())
def test_simple_substitution(self):
template = similarfinder.CodeTemplate('${a}\n')
self.assertEquals('b\n', template.substitute({'a': 'b'}))
def test_substituting_multiple_names(self):
template = similarfinder.CodeTemplate('${a}, ${b}\n')
self.assertEquals('1, 2\n', template.substitute({'a': '1', 'b': '2'}))
def suite():
result = unittest.TestSuite()
result.addTests(unittest.makeSuite(SimilarFinderTest))
result.addTests(unittest.makeSuite(CheckingFinderTest))
result.addTests(unittest.makeSuite(TemplateTest))
return result
if __name__ == '__main__':
unittest.main()
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