|
|
"""Tests for the blockbreaker module.
|
|
|
"""
|
|
|
#-----------------------------------------------------------------------------
|
|
|
# Copyright (C) 2010 The IPython Development Team
|
|
|
#
|
|
|
# Distributed under the terms of the BSD License. The full license is in
|
|
|
# the file COPYING, distributed as part of this software.
|
|
|
#-----------------------------------------------------------------------------
|
|
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
# Imports
|
|
|
#-----------------------------------------------------------------------------
|
|
|
# stdlib
|
|
|
import unittest
|
|
|
|
|
|
# Third party
|
|
|
import nose.tools as nt
|
|
|
|
|
|
# Our own
|
|
|
from IPython.core import blockbreaker as BB
|
|
|
|
|
|
#-----------------------------------------------------------------------------
|
|
|
# Tests
|
|
|
#-----------------------------------------------------------------------------
|
|
|
def test_spaces():
|
|
|
tests = [('', 0),
|
|
|
(' ', 1),
|
|
|
('\n', 0),
|
|
|
(' \n', 1),
|
|
|
('x', 0),
|
|
|
(' x', 1),
|
|
|
(' x',2),
|
|
|
(' x',4),
|
|
|
# Note: tabs are counted as a single whitespace!
|
|
|
('\tx', 1),
|
|
|
('\t x', 2),
|
|
|
]
|
|
|
|
|
|
for s, nsp in tests:
|
|
|
nt.assert_equal(BB.num_ini_spaces(s), nsp)
|
|
|
|
|
|
|
|
|
def test_remove_comments():
|
|
|
tests = [('text', 'text'),
|
|
|
('text # comment', 'text '),
|
|
|
('text # comment\n', 'text \n'),
|
|
|
('text # comment \n', 'text \n'),
|
|
|
('line # c \nline\n','line \nline\n'),
|
|
|
('line # c \nline#c2 \nline\nline #c\n\n',
|
|
|
'line \nline\nline\nline \n\n'),
|
|
|
]
|
|
|
|
|
|
for inp, out in tests:
|
|
|
nt.assert_equal(BB.remove_comments(inp), out)
|
|
|
|
|
|
|
|
|
def test_get_input_encoding():
|
|
|
encoding = BB.get_input_encoding()
|
|
|
nt.assert_true(isinstance(encoding, basestring))
|
|
|
# simple-minded check that at least encoding a simple string works with the
|
|
|
# encoding we got.
|
|
|
nt.assert_equal('test'.encode(encoding), 'test')
|
|
|
|
|
|
|
|
|
class BlockBreakerTestCase(unittest.TestCase):
|
|
|
def setUp(self):
|
|
|
self.bb = BB.BlockBreaker()
|
|
|
|
|
|
def test_reset(self):
|
|
|
bb = self.bb
|
|
|
bb.push('x=1')
|
|
|
bb.reset()
|
|
|
self.assertEqual(bb._buffer, [])
|
|
|
self.assertEqual(bb.indent_spaces, 0)
|
|
|
self.assertEqual(bb.source, '')
|
|
|
self.assertEqual(bb.code, None)
|
|
|
|
|
|
def test_source(self):
|
|
|
self.bb._store('1')
|
|
|
self.bb._store('2')
|
|
|
self.assertEqual(self.bb.source, '1\n2\n')
|
|
|
self.assertTrue(len(self.bb._buffer)>0)
|
|
|
self.assertEqual(self.bb.source_reset(), '1\n2\n')
|
|
|
self.assertEqual(self.bb._buffer, [])
|
|
|
self.assertEqual(self.bb.source, '')
|
|
|
|
|
|
def test_indent(self):
|
|
|
bb = self.bb # shorthand
|
|
|
bb.push('x=1')
|
|
|
self.assertEqual(bb.indent_spaces, 0)
|
|
|
bb.push('if 1:\n x=1')
|
|
|
self.assertEqual(bb.indent_spaces, 4)
|
|
|
bb.push('y=2\n')
|
|
|
self.assertEqual(bb.indent_spaces, 0)
|
|
|
bb.push('if 1:')
|
|
|
self.assertEqual(bb.indent_spaces, 4)
|
|
|
bb.push(' x=1')
|
|
|
self.assertEqual(bb.indent_spaces, 4)
|
|
|
# Blank lines shouldn't change the indent level
|
|
|
bb.push(' '*2)
|
|
|
self.assertEqual(bb.indent_spaces, 4)
|
|
|
|
|
|
def test_indent2(self):
|
|
|
bb = self.bb
|
|
|
# When a multiline statement contains parens or multiline strings, we
|
|
|
# shouldn't get confused.
|
|
|
bb.push("if 1:")
|
|
|
bb.push(" x = (1+\n 2)")
|
|
|
self.assertEqual(bb.indent_spaces, 4)
|
|
|
|
|
|
def test_dedent(self):
|
|
|
bb = self.bb # shorthand
|
|
|
bb.push('if 1:')
|
|
|
self.assertEqual(bb.indent_spaces, 4)
|
|
|
bb.push(' pass')
|
|
|
self.assertEqual(bb.indent_spaces, 0)
|
|
|
|
|
|
def test_push(self):
|
|
|
bb = self.bb
|
|
|
bb.push('x=1')
|
|
|
self.assertTrue(bb.is_complete)
|
|
|
|
|
|
def test_push2(self):
|
|
|
bb = self.bb
|
|
|
bb.push('if 1:')
|
|
|
self.assertFalse(bb.is_complete)
|
|
|
for line in [' x=1', '# a comment', ' y=2']:
|
|
|
bb.push(line)
|
|
|
self.assertTrue(bb.is_complete)
|
|
|
|
|
|
def test_push3(self):
|
|
|
"""Test input with leading whitespace"""
|
|
|
bb = self.bb
|
|
|
bb.push(' x=1')
|
|
|
bb.push(' y=2')
|
|
|
self.assertEqual(bb.source, 'if 1:\n x=1\n y=2\n')
|
|
|
|
|
|
def test_replace_mode(self):
|
|
|
bb = self.bb
|
|
|
bb.input_mode = 'replace'
|
|
|
bb.push('x=1')
|
|
|
self.assertEqual(bb.source, 'x=1\n')
|
|
|
bb.push('x=2')
|
|
|
self.assertEqual(bb.source, 'x=2\n')
|
|
|
|
|
|
def test_interactive_block_ready(self):
|
|
|
bb = self.bb
|
|
|
bb.push('x=1')
|
|
|
self.assertTrue(bb.interactive_block_ready())
|
|
|
|
|
|
def test_interactive_block_ready2(self):
|
|
|
bb = self.bb
|
|
|
bb.push('if 1:')
|
|
|
self.assertFalse(bb.interactive_block_ready())
|
|
|
bb.push(' x=1')
|
|
|
self.assertFalse(bb.interactive_block_ready())
|
|
|
bb.push('')
|
|
|
self.assertTrue(bb.interactive_block_ready())
|
|
|
|
|
|
def test_interactive_block_ready3(self):
|
|
|
bb = self.bb
|
|
|
bb.push("x = (2+\n3)")
|
|
|
self.assertTrue(bb.interactive_block_ready())
|
|
|
|
|
|
def test_interactive_block_ready4(self):
|
|
|
bb = self.bb
|
|
|
# When a multiline statement contains parens or multiline strings, we
|
|
|
# shouldn't get confused.
|
|
|
# FIXME: we should be able to better handle de-dents in statements like
|
|
|
# multiline strings and multiline expressions (continued with \ or
|
|
|
# parens). Right now we aren't handling the indentation tracking quite
|
|
|
# correctly with this, though in practice it may not be too much of a
|
|
|
# problem. We'll need to see.
|
|
|
bb.push("if 1:")
|
|
|
bb.push(" x = (2+")
|
|
|
bb.push(" 3)")
|
|
|
self.assertFalse(bb.interactive_block_ready())
|
|
|
bb.push(" y = 3")
|
|
|
self.assertFalse(bb.interactive_block_ready())
|
|
|
bb.push('')
|
|
|
self.assertTrue(bb.interactive_block_ready())
|
|
|
|
|
|
def test_syntax_error(self):
|
|
|
bb = self.bb
|
|
|
# Syntax errors immediately produce a 'ready' block, so the invalid
|
|
|
# Python can be sent to the kernel for evaluation with possible ipython
|
|
|
# special-syntax conversion.
|
|
|
bb.push('run foo')
|
|
|
self.assertTrue(bb.interactive_block_ready())
|
|
|
|