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from __future__ import annotations

import ast

from pre_commit_hooks.debug_statement_hook import Debug

from pre_commit_hooks.debug_statement_hook import DebugStatementParser

from pre_commit_hooks.debug_statement_hook import main

from testing.util import get_resource_path

def test_no_breakpoints():

visitor = DebugStatementParser()

visitor.visit(ast.parse('import os\nfrom foo import bar\n'))

assert visitor.breakpoints == []

def test_finds_debug_import_attribute_access():

visitor = DebugStatementParser()

visitor.visit(ast.parse('import ipdb; ipdb.set_trace()'))

assert visitor.breakpoints == [Debug(1, 0, 'ipdb', 'imported')]

def test_finds_debug_import_from_import():

visitor = DebugStatementParser()

visitor.visit(ast.parse('from pudb import set_trace; set_trace()'))

assert visitor.breakpoints == [Debug(1, 0, 'pudb', 'imported')]

def test_finds_breakpoint():

visitor = DebugStatementParser()

visitor.visit(ast.parse('breakpoint()'))

assert visitor.breakpoints == [Debug(1, 0, 'breakpoint', 'called')]

def test_returns_one_for_failing_file(tmpdir):

f_py = tmpdir.join('f.py')

f_py.write('def f():\n import pdb; pdb.set_trace()')

ret = main([str(f_py)])

assert ret == 1

def test_returns_zero_for_passing_file():

ret = main([__file__])

assert ret == 0

def test_syntaxerror_file():

ret = main([get_resource_path('cannot_parse_ast.notpy')])

assert ret == 1

def test_non_utf8_file(tmpdir):

f_py = tmpdir.join('f.py')

f_py.write_binary('# -*- coding: cp1252 -*-\nx = "€"\n'.encode('cp1252'))

assert main((str(f_py),)) == 0

def test_py37_breakpoint(tmpdir, capsys):

f_py = tmpdir.join('f.py')

f_py.write('def f():\n breakpoint()\n')

assert main((str(f_py),)) == 1

out, _ = capsys.readouterr()

assert out == f'{f_py}:2:4: breakpoint called\n'