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codeanalyzetest.py
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codeanalyzetest.py
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from textwrap import dedent
import unittest
import rope.base.evaluate
from rope.base import libutils
from rope.base import exceptions, worder, codeanalyze
from rope.base.codeanalyze import SourceLinesAdapter, LogicalLineFinder, get_block_start
from ropetest import testutils
class SourceLinesAdapterTest(unittest.TestCase):
def test_source_lines_simple(self):
to_lines = SourceLinesAdapter("line1\nline2\n")
self.assertEqual("line1", to_lines.get_line(1))
self.assertEqual("line2", to_lines.get_line(2))
self.assertEqual("", to_lines.get_line(3))
self.assertEqual(3, to_lines.length())
def test_source_lines_get_line_number(self):
to_lines = SourceLinesAdapter("line1\nline2\n")
self.assertEqual(1, to_lines.get_line_number(0))
self.assertEqual(1, to_lines.get_line_number(5))
self.assertEqual(2, to_lines.get_line_number(7))
self.assertEqual(3, to_lines.get_line_number(12))
def test_source_lines_get_line_start(self):
to_lines = SourceLinesAdapter("line1\nline2\n")
self.assertEqual(0, to_lines.get_line_start(1))
self.assertEqual(6, to_lines.get_line_start(2))
self.assertEqual(12, to_lines.get_line_start(3))
def test_source_lines_get_line_end(self):
to_lines = SourceLinesAdapter("line1\nline2\n")
self.assertEqual(5, to_lines.get_line_end(1))
self.assertEqual(11, to_lines.get_line_end(2))
self.assertEqual(12, to_lines.get_line_end(3))
def test_source_lines_last_line_with_no_new_line(self):
to_lines = SourceLinesAdapter("line1")
self.assertEqual(1, to_lines.get_line_number(5))
class WordRangeFinderTest(unittest.TestCase):
def _find_primary(self, code, offset):
word_finder = worder.Worder(code)
return word_finder.get_primary_at(offset)
def _annotated_code(self, annotated_code):
"""
Split annotated code into raw code and annotation.
Odd lines in `annotated_code` is the actual Python code.
Even lines in `annotated_code` are single-char annotation for the
previous line.
The annotation may contain one extra character which annotates the
newline/end of line character.
"""
code_lines = annotated_code.splitlines()[::2]
annotations_lines = annotated_code.splitlines()[1::2]
if len(annotations_lines) < len(code_lines):
annotations_lines.append("")
for idx, (line, line_ann) in enumerate(zip(code_lines, annotations_lines)):
newline_ann_char = 1 # for annotation of the end of line character
self.assertLessEqual(
len(line_ann),
len(line) + newline_ann_char,
msg="Extra character in annotations",
)
line_ann = line_ann.rstrip()
line_ann += " " * (len(line) - len(line_ann))
if len(line_ann) != len(line) + newline_ann_char:
line_ann += " "
self.assertEqual(len(line_ann), len(line) + newline_ann_char)
annotations_lines[idx] = line_ann
code, annotations = "\n".join(code_lines), "\n".join(annotations_lines)
if code[-1] != "\n":
annotations = annotations[:-1]
self.assertEqual(len(code) + code.count("\n"), len(annotations))
return code, annotations
def _make_offset_annotation(self, code, func):
"""
Create annotation by calling `func(offset)` for every offset in `code`.
For example, when the annotated code looks like so:
import a.b.c.d
++++++++
This means that `func(offset)` returns True whenever offset points to
the 'a.b.c.d' part and returns False everywhere else.
"""
def _annotation_char(offset):
ann_char = "+" if func(offset) else " "
if code[offset] == "\n":
ann_char = ann_char + "\n"
return ann_char
return "".join([_annotation_char(offset) for offset in range(len(code))])
def assert_equal_annotation(self, code, expected, actual):
if expected != actual:
msg = ["Annotation does not match:\n"]
for line, line_exp, line_actual in zip(
code.splitlines(), expected.splitlines(), actual.splitlines()
):
msg.append(" " + line + "\n")
if line_exp != line_actual:
msg.append("e " + line_exp + "\n")
msg.append("a " + line_actual + "\n")
self.fail("".join(msg))
def test_keyword_before_parens(self):
code = dedent("""\
if (a_var).an_attr:
pass
""")
self.assertEqual("(a_var).an_attr", self._find_primary(code, code.index(":")))
def test_inside_parans(self):
code = "a_func(a_var)"
self.assertEqual("a_var", self._find_primary(code, 10))
def test_simple_names(self):
code = "a_var = 10"
self.assertEqual("a_var", self._find_primary(code, 3))
def test_function_calls(self):
code = "sample_function()"
self.assertEqual("sample_function", self._find_primary(code, 10))
def test_attribute_accesses(self):
code = "a_var.an_attr"
self.assertEqual("a_var.an_attr", self._find_primary(code, 10))
def test_word_finder_on_word_beginning(self):
code = "print(a_var)\n"
word_finder = worder.Worder(code)
result = word_finder.get_word_at(code.index("a_var"))
self.assertEqual("a_var", result)
def test_word_finder_on_primary_beginning(self):
code = "print(a_var)\n"
result = self._find_primary(code, code.index("a_var"))
self.assertEqual("a_var", result)
def test_word_finder_on_word_ending(self):
code = "print(a_var)\n"
word_finder = worder.Worder(code)
result = word_finder.get_word_at(code.index("a_var") + 5)
self.assertEqual("a_var", result)
def test_word_finder_on_primary_ending(self):
code = "print(a_var)\n"
result = self._find_primary(code, code.index("a_var") + 5)
self.assertEqual("a_var", result)
def test_word_finder_on_primaries_with_dots_inside_parens(self):
code = "(a_var.\nattr)"
result = self._find_primary(code, code.index("attr") + 1)
self.assertEqual("a_var.\nattr", result)
def test_word_finder_on_primary_like_keyword(self):
code = "is_keyword = False\n"
result = self._find_primary(code, 1)
self.assertEqual("is_keyword", result)
def test_keyword_before_parens_no_space(self):
code = dedent("""\
if(a_var).an_attr:
pass
""")
self.assertEqual("(a_var).an_attr", self._find_primary(code, code.index(":")))
def test_strings(self):
code = '"a string".split()'
self.assertEqual('"a string".split', self._find_primary(code, 14))
def test_function_calls2(self):
code = 'file("afile.txt").read()'
self.assertEqual('file("afile.txt").read', self._find_primary(code, 18))
def test_parens(self):
code = '("afile.txt").split()'
self.assertEqual('("afile.txt").split', self._find_primary(code, 18))
def test_function_with_no_param(self):
code = "AClass().a_func()"
self.assertEqual("AClass().a_func", self._find_primary(code, 12))
def test_function_with_multiple_param(self):
code = 'AClass(a_param, another_param, "a string").a_func()'
self.assertEqual(
'AClass(a_param, another_param, "a string").a_func',
self._find_primary(code, 44),
)
def test_param_expressions(self):
code = "AClass(an_object.an_attr).a_func()"
self.assertEqual("an_object.an_attr", self._find_primary(code, 20))
def test_string_parens(self):
code = 'a_func("(").an_attr'
self.assertEqual('a_func("(").an_attr', self._find_primary(code, 16))
def test_extra_spaces(self):
code = 'a_func ( "(" ) . an_attr'
self.assertEqual('a_func ( "(" ) . an_attr', self._find_primary(code, 26))
def test_relative_import(self):
code = "from .module import smt"
self.assertEqual(".module", self._find_primary(code, 5))
def test_functions_on_ending_parens(self):
code = "A()"
self.assertEqual("A()", self._find_primary(code, 2))
def test_split_statement(self):
word_finder = worder.Worder("an_object.an_attr")
self.assertEqual(
("an_object", "an_at", 10), word_finder.get_splitted_primary_before(15)
)
def test_empty_split_statement(self):
word_finder = worder.Worder("an_attr")
self.assertEqual(("", "an_at", 0), word_finder.get_splitted_primary_before(5))
def test_empty_split_statement2(self):
word_finder = worder.Worder("an_object.")
self.assertEqual(
("an_object", "", 10), word_finder.get_splitted_primary_before(10)
)
def test_empty_split_statement3(self):
word_finder = worder.Worder("")
self.assertEqual(("", "", 0), word_finder.get_splitted_primary_before(0))
def test_empty_split_statement4(self):
word_finder = worder.Worder("a_var = ")
self.assertEqual(("", "", 8), word_finder.get_splitted_primary_before(8))
def test_empty_split_statement5(self):
word_finder = worder.Worder("a.")
self.assertEqual(("a", "", 2), word_finder.get_splitted_primary_before(2))
def test_operators_inside_parens(self):
code = "(a_var + another_var).reverse()"
self.assertEqual("(a_var + another_var).reverse", self._find_primary(code, 25))
def test_dictionaries(self):
code = 'print({1: "one", 2: "two"}.keys())'
self.assertEqual('{1: "one", 2: "two"}.keys', self._find_primary(code, 29))
def test_following_parens(self):
code = "a_var = a_func()()"
result = self._find_primary(code, code.index(")(") + 3)
self.assertEqual("a_func()()", result)
def test_comments_for_finding_statements(self):
code = "# var2 . \n var3"
self.assertEqual("var3", self._find_primary(code, code.index("3")))
def test_str_in_comments_for_finding_statements(self):
code = '# "var2" . \n var3'
self.assertEqual("var3", self._find_primary(code, code.index("3")))
def test_comments_for_finding_statements2(self):
code = 'var1 + "# var2".\n var3'
self.assertEqual("var3", self._find_primary(code, 21))
def test_comments_for_finding_statements3(self):
code = '"" + # var2.\n var3'
self.assertEqual("var3", self._find_primary(code, 21))
def test_is_import_statement(self):
code, annotations = self._annotated_code(annotated_code=dedent("""\
import a.b.c.d
++++++++
from a.b import c
import a.b.c.d as d
+++++++++++++
from a.b import c as e
from a.b import (
abc
)
result = a.b.c.d.f()
"""))
word_finder = worder.Worder(code)
self.assert_equal_annotation(
code,
annotations,
self._make_offset_annotation(code, word_finder.is_import_statement),
)
def test_is_import_statement_finding(self):
code = dedent("""\
import mod
a_var = 10
""")
word_finder = worder.Worder(code)
self.assertTrue(word_finder.is_import_statement(code.index("mod") + 1))
self.assertFalse(word_finder.is_import_statement(code.index("a_var") + 1))
def test_is_import_statement_finding2(self):
code = dedent("""\
import a.b.c.d
result = a.b.c.d.f()
""")
word_finder = worder.Worder(code)
self.assertFalse(word_finder.is_import_statement(code.rindex("d") + 1))
def test_word_parens_range(self):
code = dedent("""\
s = str()
s.title()
""")
word_finder = worder.Worder(code)
result = word_finder.get_word_parens_range(code.rindex("()") - 1)
self.assertEqual((len(code) - 3, len(code) - 1), result)
def test_getting_primary_before_get_index(self):
code = "\na = (b + c).d[0]()\n"
result = self._find_primary(code, len(code) - 2)
self.assertEqual("(b + c).d[0]()", result)
def test_getting_primary_and_strings_at_the_end_of_line(self):
code = "f('\\'')\n"
result = self._find_primary(code, len(code) - 1) # noqa
def test_getting_primary_and_not_crossing_newlines(self):
code = "\na = (b + c)\n(4 + 1).x\n"
result = self._find_primary(code, len(code) - 1)
self.assertEqual("(4 + 1).x", result)
# XXX: concatenated string literals
def xxx_test_getting_primary_cancatenating_strs(self):
code = 's = "a"\n"b" "c"\n'
result = self._find_primary(code, len(code) - 2)
self.assertEqual('"b" "c"', result)
def test_is_a_function_being_called_with_parens_on_next_line(self):
code = "func\n(1, 2)\n"
word_finder = worder.Worder(code)
self.assertFalse(word_finder.is_a_function_being_called(1))
# XXX: handling triple quotes
def xxx_test_triple_quotes(self):
code = 's = """string"""\n'
result = self._find_primary(code, len(code) - 1)
self.assertEqual('"""string"""', result)
def test_triple_quotes_spanning_multiple_lines(self):
code = 's = """\\\nl1\nl2\n """\n'
result = self._find_primary(code, len(code) - 2)
self.assertEqual('"""\\\nl1\nl2\n """', result)
def test_get_word_parens_range_and_string_literals(self):
code = 'f(1, ")", 2)\n'
word_finder = worder.Worder(code)
result = word_finder.get_word_parens_range(0)
self.assertEqual((1, len(code) - 1), result)
def test_is_assigned_here_for_equality_test(self):
code = "a == 1\n"
word_finder = worder.Worder(code)
self.assertFalse(word_finder.is_assigned_here(0))
def test_is_assigned_here_for_not_equal_test(self):
code = "a != 1\n"
word_finder = worder.Worder(code)
self.assertFalse(word_finder.is_assigned_here(0))
# XXX: is_assigned_here should work for tuple assignments
def xxx_test_is_assigned_here_for_tuple_assignment(self):
code = "a, b = (1, 2)\n"
word_finder = worder.Worder(code)
self.assertTrue(word_finder.is_assigned_here(0))
def test_is_from_statement(self):
code, annotations = self._annotated_code(annotated_code=dedent("""\
import a.b.c.d
from a.b import c
+++++++++++++
import a.b.c.d as d
from a.b import c as e
++++++++++++++++++
from a.b import (
+++++++++++++
abc
++++++++
)
++
result = a.b.c.d.f()
"""))
word_finder = worder.Worder(code)
self.assert_equal_annotation(
code,
annotations,
self._make_offset_annotation(code, word_finder.is_from_statement),
)
def test_is_from_statement_module(self):
code, annotations = self._annotated_code(annotated_code=dedent("""\
import a.b.c.d
from a.b import c
+++++
import a.b.c.d as d
from a.b import c as e
+++++
from a.b import (
+++++
abc
)
result = a.b.c.d.f()
"""))
word_finder = worder.Worder(code)
self.assert_equal_annotation(
code,
annotations,
self._make_offset_annotation(code, word_finder.is_from_statement_module),
)
def test_is_import_statement_aliased_module(self):
code, annotations = self._annotated_code(annotated_code=dedent("""\
import a.b.c.d
from a.b import c
import a.b.c.d as d
+++++++
from a.b import c as e
from a.b import (
abc
)
import mod1, \\
mod2 as c, mod3, mod4 as d
+++++ +++++
result = a.b.c.d.f()
"""))
word_finder = worder.Worder(code)
self.assert_equal_annotation(
code,
annotations,
self._make_offset_annotation(
code, word_finder.is_import_statement_aliased_module
),
)
def test_is_from_aliased(self):
code, annotations = self._annotated_code(annotated_code=dedent("""\
import a.b.c.d
from a.b import c
import a.b.c.d as d
from a.b import c as e
++
from a.b import (
abc
)
from a.b import mod1, \\
mod2 as c, mod3, mod4 as d
+++++ +++++
result = a.b.c.d.f()
"""))
word_finder = worder.Worder(code)
self.assert_equal_annotation(
code,
annotations,
self._make_offset_annotation(code, word_finder.is_from_aliased),
)
def test_is_from_with_from_import_and_multiline_parens(self):
code = "from mod import \\\n (f,\n g, h)\n"
word_finder = worder.Worder(code)
self.assertTrue(word_finder.is_from_statement(code.rindex("g")))
def test_is_from_with_from_import_and_line_breaks_in_the_middle(self):
code = "from mod import f,\\\n g\n"
word_finder = worder.Worder(code)
self.assertTrue(word_finder.is_from_statement(code.rindex("g")))
def test_is_function_keyword_parameter(self):
code, annotations = self._annotated_code(annotated_code=dedent("""\
func(param=1)
++++++
func(
param=1
++++++
)
def func(param=1):
++++++
pass
"""))
word_finder = worder.Worder(code)
self.assert_equal_annotation(
code,
annotations,
self._make_offset_annotation(
code, word_finder.is_function_keyword_parameter
),
)
def test_one_letter_is_function_keyword_parameter(self):
code = "f(p=1)\n"
word_finder = worder.Worder(code)
index = code.rindex("p")
self.assertTrue(word_finder.is_function_keyword_parameter(index))
def test_find_parens_start(self):
code = "f(p)\n"
finder = worder.Worder(code)
self.assertEqual(1, finder.find_parens_start_from_inside(2))
def test_underlined_find_parens_start(self):
code = 'f(p="")\n'
finder = worder.Worder(code)
self.assertEqual(1, finder._find_parens_start(len(code) - 2))
def test_find_parens_start_with_multiple_entries(self):
code = "myfunc(p1, p2, p3\n"
finder = worder.Worder(code)
self.assertEqual(
code.index("("), finder.find_parens_start_from_inside(len(code) - 1)
)
def test_find_parens_start_with_nested_parens(self):
code = "myfunc(p1, (p2, p3), p4\n"
finder = worder.Worder(code)
self.assertEqual(
code.index("("), finder.find_parens_start_from_inside(len(code) - 1)
)
def test_find_parens_start_with_parens_in_strs(self):
code = 'myfunc(p1, "(", p4\n'
finder = worder.Worder(code)
self.assertEqual(
code.index("("), finder.find_parens_start_from_inside(len(code) - 1)
)
def test_find_parens_start_with_parens_in_strs_in_multiple_lines(self):
code = 'myfunc (\np1\n , \n "(" \n, \np4\n'
finder = worder.Worder(code)
self.assertEqual(
code.index("("), finder.find_parens_start_from_inside(len(code) - 1)
)
def test_is_on_function_call_keyword(self):
code, annotations = self._annotated_code(annotated_code=dedent("""\
myfunc(va
+++
"""))
finder = worder.Worder(code)
self.assert_equal_annotation(
code,
annotations,
self._make_offset_annotation(code, finder.is_on_function_call_keyword),
)
def test_is_on_function_keyword_partial(self):
code = "myfunc(va"
finder = worder.Worder(code)
self.assertTrue(finder.is_on_function_call_keyword(len(code) - 1))
def test_get_word_range_with_fstring(self):
code = dedent('''\
auth = 8
my_var = f"some value {auth}"
print(auth)
other_val = "some other"''')
finder = worder.Worder(code)
self.assertEqual(finder.get_word_range(45), (45, 49))
class ScopeNameFinderTest(unittest.TestCase):
def setUp(self):
super().setUp()
self.project = testutils.sample_project()
def tearDown(self):
testutils.remove_project(self.project)
super().tearDown()
# FIXME: in normal scopes the interpreter raises `UnboundLocalName`
# exception, but not in class bodies
def xxx_test_global_name_in_class_body(self):
code = dedent("""\
a_var = 10
class C(object):
a_var = a_var
""")
scope = libutils.get_string_scope(self.project, code)
name_finder = rope.base.evaluate.ScopeNameFinder(scope.pyobject)
result = name_finder.get_pyname_at(len(code) - 3)
self.assertEqual(scope["a_var"], result)
def test_class_variable_attribute_in_class_body(self):
code = dedent("""\
a_var = 10
class C(object):
a_var = a_var
""")
scope = libutils.get_string_scope(self.project, code)
name_finder = rope.base.evaluate.ScopeNameFinder(scope.pyobject)
a_var_pyname = scope["C"].get_object()["a_var"]
result = name_finder.get_pyname_at(len(code) - 12)
self.assertEqual(a_var_pyname, result)
def test_class_variable_attribute_in_class_body2(self):
code = dedent("""\
a_var = 10
class C(object):
a_var \\
= a_var
""")
scope = libutils.get_string_scope(self.project, code)
name_finder = rope.base.evaluate.ScopeNameFinder(scope.pyobject)
a_var_pyname = scope["C"].get_object()["a_var"]
result = name_finder.get_pyname_at(len(code) - 12)
self.assertEqual(a_var_pyname, result)
def test_class_method_attribute_in_class_body(self):
code = dedent("""\
class C(object):
def a_method(self):
pass
""")
scope = libutils.get_string_scope(self.project, code)
name_finder = rope.base.evaluate.ScopeNameFinder(scope.pyobject)
a_method_pyname = scope["C"].get_object()["a_method"]
result = name_finder.get_pyname_at(code.index("a_method") + 2)
self.assertEqual(a_method_pyname, result)
def test_inner_class_attribute_in_class_body(self):
code = dedent("""\
class C(object):
class CC(object):
pass
""")
scope = libutils.get_string_scope(self.project, code)
name_finder = rope.base.evaluate.ScopeNameFinder(scope.pyobject)
a_class_pyname = scope["C"].get_object()["CC"]
result = name_finder.get_pyname_at(code.index("CC") + 2)
self.assertEqual(a_class_pyname, result)
def test_class_method_in_class_body_but_not_indexed(self):
code = dedent("""\
class C(object):
def func(self, func):
pass
""")
scope = libutils.get_string_scope(self.project, code)
a_func_pyname = scope.get_scopes()[0].get_scopes()[0]["func"]
name_finder = rope.base.evaluate.ScopeNameFinder(scope.pyobject)
result = name_finder.get_pyname_at(code.index(", func") + 3)
self.assertEqual(a_func_pyname, result)
def test_function_but_not_indexed(self):
code = dedent("""\
def a_func(a_func):
pass
""")
scope = libutils.get_string_scope(self.project, code)
a_func_pyname = scope["a_func"]
name_finder = rope.base.evaluate.ScopeNameFinder(scope.pyobject)
result = name_finder.get_pyname_at(code.index("a_func") + 3)
self.assertEqual(a_func_pyname, result)
def test_modules_after_from_statements(self):
root_folder = self.project.root
mod = testutils.create_module(self.project, "mod", root_folder)
mod.write(dedent("""\
def a_func():
pass
"""))
code = "from mod import a_func\n"
scope = libutils.get_string_scope(self.project, code)
name_finder = rope.base.evaluate.ScopeNameFinder(scope.pyobject)
mod_pyobject = self.project.get_pymodule(mod)
found_pyname = name_finder.get_pyname_at(code.index("mod") + 1)
self.assertEqual(mod_pyobject, found_pyname.get_object())
def test_renaming_functions_with_from_import_and_parens(self):
mod1 = testutils.create_module(self.project, "mod1")
mod1.write(dedent("""\
def afunc():
pass
"""))
code = dedent("""\
from mod1 import (
afunc as func)
""")
scope = libutils.get_string_scope(self.project, code)
name_finder = rope.base.evaluate.ScopeNameFinder(scope.pyobject)
mod_pyobject = self.project.get_pymodule(mod1)
afunc = mod_pyobject["afunc"]
found_pyname = name_finder.get_pyname_at(code.index("afunc") + 1)
self.assertEqual(afunc.get_object(), found_pyname.get_object())
@testutils.only_for("2.5")
def test_relative_modules_after_from_statements(self):
pkg1 = testutils.create_package(self.project, "pkg1")
pkg2 = testutils.create_package(self.project, "pkg2", pkg1)
mod1 = testutils.create_module(self.project, "mod1", pkg1)
mod2 = testutils.create_module(self.project, "mod2", pkg2)
mod1.write(dedent("""\
def a_func():
pass
"""))
code = "from ..mod1 import a_func\n"
mod2.write(code)
mod2_scope = self.project.get_pymodule(mod2).get_scope()
name_finder = rope.base.evaluate.ScopeNameFinder(mod2_scope.pyobject)
mod1_pyobject = self.project.get_pymodule(mod1)
found_pyname = name_finder.get_pyname_at(code.index("mod1") + 1)
self.assertEqual(mod1_pyobject, found_pyname.get_object())
def test_relative_modules_after_from_statements2(self):
mod1 = testutils.create_module(self.project, "mod1")
pkg1 = testutils.create_package(self.project, "pkg1")
pkg2 = testutils.create_package(self.project, "pkg2", pkg1)
mod2 = testutils.create_module(self.project, "mod2", pkg2) # noqa
mod1.write("import pkg1.pkg2.mod2")
mod1_scope = self.project.get_pymodule(mod1).get_scope()
name_finder = rope.base.evaluate.ScopeNameFinder(mod1_scope.pyobject)
pkg2_pyobject = self.project.get_pymodule(pkg2)
found_pyname = name_finder.get_pyname_at(mod1.read().index("pkg2") + 1)
self.assertEqual(pkg2_pyobject, found_pyname.get_object())
def test_get_pyname_at_on_language_keywords(self):
code = dedent("""\
def a_func(a_func):
pass
""")
pymod = libutils.get_string_module(self.project, code)
name_finder = rope.base.evaluate.ScopeNameFinder(pymod)
with self.assertRaises(exceptions.RopeError):
name_finder.get_pyname_at(code.index("pass"))
def test_one_liners(self):
code = dedent("""\
var = 1
def f(): var = 2
print(var)
""")
pymod = libutils.get_string_module(self.project, code)
name_finder = rope.base.evaluate.ScopeNameFinder(pymod)
pyname = name_finder.get_pyname_at(code.rindex("var"))
self.assertEqual(pymod["var"], pyname)
def test_one_liners_with_line_breaks(self):
code = dedent("""\
var = 1
def f(
): var = 2
print(var)
""")
pymod = libutils.get_string_module(self.project, code)
name_finder = rope.base.evaluate.ScopeNameFinder(pymod)
pyname = name_finder.get_pyname_at(code.rindex("var"))
self.assertEqual(pymod["var"], pyname)
def test_one_liners_with_line_breaks2(self):
code = dedent("""\
var = 1
def f(
p): var = 2
print(var)
""")
pymod = libutils.get_string_module(self.project, code)
name_finder = rope.base.evaluate.ScopeNameFinder(pymod)
pyname = name_finder.get_pyname_at(code.rindex("var"))
self.assertEqual(pymod["var"], pyname)
def test_var_in_list_comprehension_differs_from_var_outside(self):
code = "var = 1\n[var for var in range(1)]\n"
pymod = libutils.get_string_module(self.project, code)
name_finder = rope.base.evaluate.ScopeNameFinder(pymod)
outside_pyname = name_finder.get_pyname_at(code.index("var"))
inside_pyname = name_finder.get_pyname_at(code.rindex("var"))
self.assertNotEqual(outside_pyname, inside_pyname)
class LogicalLineFinderTest(unittest.TestCase):
def _logical_finder(self, code):
return LogicalLineFinder(SourceLinesAdapter(code))
def test_normal_lines(self):
code = "a_var = 10"
line_finder = self._logical_finder(code)
self.assertEqual((1, 1), line_finder.logical_line_in(1))
def test_normal_lines2(self):
code = dedent("""\
another = 10
a_var = 20
""")
line_finder = self._logical_finder(code)
self.assertEqual((1, 1), line_finder.logical_line_in(1))
self.assertEqual((2, 2), line_finder.logical_line_in(2))
def test_implicit_continuation(self):
code = "a_var = 3 + \\\n 4 + \\\n 5"
line_finder = self._logical_finder(code)
self.assertEqual((1, 3), line_finder.logical_line_in(2))
def test_explicit_continuation(self):
code = dedent("""\
print(2)
a_var = (3 +
4,
5)
""")
line_finder = self._logical_finder(code)
self.assertEqual((2, 4), line_finder.logical_line_in(2))
def test_explicit_continuation_comments(self):
code = "#\na_var = 3\n"
line_finder = self._logical_finder(code)
self.assertEqual((2, 2), line_finder.logical_line_in(2))
def test_multiple_indented_ifs(self):
code = dedent("""\
if True:
if True:
if True:
pass
a = 10
""")
line_finder = self._logical_finder(code)
self.assertEqual((5, 5), line_finder.logical_line_in(5))
def test_list_comprehensions_and_fors(self):
code = dedent("""\
a_list = [i
for i in range(10)]
""")
line_finder = self._logical_finder(code)
self.assertEqual((1, 2), line_finder.logical_line_in(2))
def test_generator_expressions_and_fors(self):
code = dedent("""\
a_list = (i
for i in range(10))
""")
line_finder = self._logical_finder(code)
self.assertEqual((1, 2), line_finder.logical_line_in(2))
def test_fors_and_block_start(self):
code = dedent("""\
l = range(10)
for i in l:
print(i)
""")
self.assertEqual(2, get_block_start(SourceLinesAdapter(code), 2))
def test_problems_with_inner_indentations(self):
code = dedent("""\
if True:
if True:
if True:
pass
a = \\
1
""")
line_finder = self._logical_finder(code)
self.assertEqual((5, 6), line_finder.logical_line_in(6))
def test_problems_with_inner_indentations2(self):
code = dedent("""\
if True:
if True:
pass
a = 1
""")
line_finder = self._logical_finder(code)
self.assertEqual((4, 4), line_finder.logical_line_in(4))
def test_logical_lines_for_else(self):
code = dedent("""\
if True:
pass
else:
pass
""")
line_finder = self._logical_finder(code)
self.assertEqual((3, 3), line_finder.logical_line_in(3))
def test_logical_lines_for_lines_with_wrong_continues(self):
code = "var = 1 + \\"
line_finder = self._logical_finder(code)
self.assertEqual((1, 1), line_finder.logical_line_in(1))
def test_logical_lines_for_multiline_string_with_extra_quotes_front(self):
code = '""""Docs."""\na = 1\n'
line_finder = self._logical_finder(code)
self.assertEqual((2, 2), line_finder.logical_line_in(2))
def test_logical_lines_for_multiline_string_with_escaped_quotes(self):
code = '"""Quotes \\""" "\\"" \' """\na = 1\n'
line_finder = self._logical_finder(code)
self.assertEqual((2, 2), line_finder.logical_line_in(2))
def test_generating_line_starts(self):
code = dedent("""\
a = 1
a = 2
a = 3
""")
line_finder = self._logical_finder(code)
self.assertEqual([1, 2, 4], list(line_finder.generate_starts()))
def test_generating_line_starts2(self):
code = "a = 1\na = 2\n\na = \\ 3\n"
line_finder = self._logical_finder(code)
self.assertEqual([2, 4], list(line_finder.generate_starts(2)))
def test_generating_line_starts3(self):
code = "a = 1\na = 2\n\na = \\ 3\n"
line_finder = self._logical_finder(code)
self.assertEqual([2], list(line_finder.generate_starts(2, 3)))
def test_generating_line_starts_for_multi_line_statements(self):
code = "\na = \\\n 1 + \\\n 1\n"
line_finder = self._logical_finder(code)
self.assertEqual([2], list(line_finder.generate_starts()))
def test_generating_line_starts_and_unmatched_deindents(self):
code = dedent("""\
if True:
if True:
if True:
a = 1
b = 1
""")
line_finder = self._logical_finder(code)
self.assertEqual([4, 5], list(line_finder.generate_starts(4)))
def test_false_triple_quoted_string(self):
code = dedent("""\
def foo():
a = 0
p = 'foo'''
def bar():
a = 1
a += 1
""")
line_finder = self._logical_finder(code)
self.assertEqual([1, 2, 3, 5, 6, 7], list(line_finder.generate_starts()))
self.assertEqual((3, 3), line_finder.logical_line_in(3))
self.assertEqual([5, 6, 7], list(line_finder.generate_starts(4)))
class TokenizerLogicalLineFinderTest(LogicalLineFinderTest):
def _logical_finder(self, code):
lines = SourceLinesAdapter(code)
return codeanalyze.CachingLogicalLineFinder(
lines, codeanalyze.tokenizer_generator
)