def test_indent2(self):
isp = self.isp
# When a multiline statement contains parens or multiline strings, we
# shouldn't get confused.
isp.push("if 1:")
isp.push(" x = (1+\n 2)")
self.assertEqual(isp.indent_spaces, 4)
def test_replace_mode(self):
isp = self.isp
isp.input_mode = 'cell'
isp.push('x=1')
self.assertEqual(isp.source, 'x=1\n')
isp.push('x=2')
self.assertEqual(isp.source, 'x=2\n')
def test_replace_mode(self):
isp = self.isp
isp.input_mode = "cell"
isp.push("x=1")
self.assertEqual(isp.source, "x=1\n")
isp.push("x=2")
self.assertEqual(isp.source, "x=2\n")
def test_syntax_error(self):
isp = self.isp
# 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.
isp.push('run foo')
self.assertFalse(isp.push_accepts_more())
def test_reset(self):
isp = self.isp
isp.push('x=1')
isp.reset()
self.assertEqual(isp._buffer, [])
self.assertEqual(isp.indent_spaces, 0)
self.assertEqual(isp.source, '')
self.assertEqual(isp.code, None)
self.assertEqual(isp._is_complete, False)
def test_indent3(self):
# In cell mode, inputs must be fed in whole blocks, so skip this test
if self.isp.input_mode == 'cell': return
isp = self.isp
# When a multiline statement contains parens or multiline strings, we
# shouldn't get confused.
isp.push("if 1:")
isp.push(" x = (1+\n 2)")
self.assertEqual(isp.indent_spaces, 4)
def test_syntax(self):
"""Call all single-line syntax tests from the main object"""
isp = self.isp
for example in syntax.itervalues():
for raw, out_t in example:
if raw.startswith(' '):
continue
isp.push(raw)
out = isp.source_reset().rstrip()
self.assertEqual(out, out_t)
def test_syntax(self):
"""Call all single-line syntax tests from the main object"""
isp = self.isp
for example in syntax.values():
for raw, out_t in example:
if raw.startswith(" "):
continue
isp.push(raw + "\n")
out, out_raw = isp.source_raw_reset()
self.assertEqual(out.rstrip(), out_t, tt.pair_fail_msg.format("inputsplitter", raw, out_t, out))
self.assertEqual(out_raw.rstrip(), raw.rstrip())
def test_syntax_multiline(self):
isp = self.isp
for example in syntax_ml.itervalues():
out_t_parts = []
for line_pairs in example:
for raw, out_t_part in line_pairs:
isp.push(raw)
out_t_parts.append(out_t_part)
out = isp.source_reset().rstrip()
out_t = '\n'.join(out_t_parts).rstrip()
self.assertEqual(out, out_t)
def test_dedent_return(self):
isp = self.isp # shorthand
# should NOT cause dedent
isp.push('if 1:\n returning = 4')
self.assertEqual(isp.indent_spaces, 4)
isp.push('if 1:\n return 5 + 493')
self.assertEqual(isp.indent_spaces, 0)
isp.push('if 1:\n return')
self.assertEqual(isp.indent_spaces, 0)
isp.push('if 1:\n return ')
self.assertEqual(isp.indent_spaces, 0)
isp.push('if 1:\n return(0)')
self.assertEqual(isp.indent_spaces, 0)
def test_syntax_multiline(self):
isp = self.isp
for example in syntax_ml.itervalues():
out_t_parts = []
raw_parts = []
for line_pairs in example:
for lraw, out_t_part in line_pairs:
isp.push(lraw)
out_t_parts.append(out_t_part)
raw_parts.append(lraw)
out, out_raw = isp.source_raw_reset()
out_t = "\n".join(out_t_parts).rstrip()
raw = "\n".join(raw_parts).rstrip()
self.assertEqual(out.rstrip(), out_t)
self.assertEqual(out_raw.rstrip(), raw)
def test_syntax_multiline(self):
isp = self.isp
for example in syntax_ml.itervalues():
raw_parts = []
out_t_parts = []
for line_pairs in example:
raw_parts, out_t_parts = zip(*line_pairs)
raw = '\n'.join(r for r in raw_parts if r is not None)
out_t = '\n'.join(o for o in out_t_parts if o is not None)
isp.push(raw)
out, out_raw = isp.source_raw_reset()
# Match ignoring trailing whitespace
self.assertEqual(out.rstrip(), out_t.rstrip())
self.assertEqual(out_raw.rstrip(), raw.rstrip())
def test_push_accepts_more5(self):
isp = self.isp
isp.push('try:')
isp.push(' a = 5')
isp.push('except:')
isp.push(' raise')
# We want to be able to add an else: block at this point, so it should
# wait for a blank line.
self.assertTrue(isp.push_accepts_more())
def test_push_accepts_more4(self):
isp = self.isp
# 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.
isp.push("if 1:")
isp.push(" x = (2+")
isp.push(" 3)")
self.assertTrue(isp.push_accepts_more())
isp.push(" y = 3")
self.assertTrue(isp.push_accepts_more())
isp.push('')
self.assertFalse(isp.push_accepts_more())
def test_syntax_multiline(self):
isp = self.isp
for example in syntax_ml.itervalues():
raw_parts = []
out_t_parts = []
for line_pairs in example:
for raw, out_t_part in line_pairs:
raw_parts.append(raw)
out_t_parts.append(out_t_part)
raw = '\n'.join(raw_parts)
out_t = '\n'.join(out_t_parts)
isp.push(raw)
out = isp.source_reset()
# Match ignoring trailing whitespace
self.assertEqual(out.rstrip(), out_t.rstrip())
def test_push_accepts_more5(self):
# In cell mode, inputs must be fed in whole blocks, so skip this test
if self.isp.input_mode == 'cell': return
isp = self.isp
isp.push('try:')
isp.push(' a = 5')
isp.push('except:')
isp.push(' raise')
self.assertTrue(isp.push_accepts_more())
def test_dedent_raise(self):
isp = self.isp # shorthand
# should NOT cause dedent
isp.push('if 1:\n raised = 4')
self.assertEqual(isp.indent_spaces, 4)
isp.push('if 1:\n raise TypeError()')
self.assertEqual(isp.indent_spaces, 0)
isp.push('if 1:\n raise')
self.assertEqual(isp.indent_spaces, 0)
isp.push('if 1:\n raise ')
self.assertEqual(isp.indent_spaces, 0)
def test_push_accepts_more5(self):
# In cell mode, inputs must be fed in whole blocks, so skip this test
if self.isp.input_mode == "cell":
return
isp = self.isp
isp.push("try:")
isp.push(" a = 5")
isp.push("except:")
isp.push(" raise")
self.assertTrue(isp.push_accepts_more())
def test_indent4(self):
isp = self.isp
# whitespace after ':' should not screw up indent level
isp.push('if 1: \n x=1')
self.assertEqual(isp.indent_spaces, 4)
isp.push('y=2\n')
self.assertEqual(isp.indent_spaces, 0)
isp.push('if 1:\t\n x=1')
self.assertEqual(isp.indent_spaces, 4)
isp.push('y=2\n')
self.assertEqual(isp.indent_spaces, 0)
def test_syntax_multiline(self):
isp = self.isp
for example in syntax_ml.values():
for line_pairs in example:
out_t_parts = []
raw_parts = []
for lraw, out_t_part in line_pairs:
if out_t_part is not None:
out_t_parts.append(out_t_part)
if lraw is not None:
isp.push(lraw)
raw_parts.append(lraw)
out_raw = isp.source_raw
out = isp.source_reset()
out_t = '\n'.join(out_t_parts).rstrip()
raw = '\n'.join(raw_parts).rstrip()
self.assertEqual(out.rstrip(), out_t)
self.assertEqual(out_raw.rstrip(), raw)
def test_indent4(self):
# In cell mode, inputs must be fed in whole blocks, so skip this test
if self.isp.input_mode == 'cell': return
isp = self.isp
# whitespace after ':' should not screw up indent level
isp.push('if 1: \n x=1')
self.assertEqual(isp.indent_spaces, 4)
isp.push('y=2\n')
self.assertEqual(isp.indent_spaces, 0)
isp.push('if 1:\t\n x=1')
self.assertEqual(isp.indent_spaces, 4)
isp.push('y=2\n')
self.assertEqual(isp.indent_spaces, 0)
def test_indent(self):
isp = self.isp # shorthand
isp.push('x=1')
self.assertEqual(isp.indent_spaces, 0)
isp.push('if 1:\n x=1')
self.assertEqual(isp.indent_spaces, 4)
isp.push('y=2\n')
self.assertEqual(isp.indent_spaces, 0)
def test_push_accepts_more2(self):
isp = self.isp
isp.push("if 1:")
self.assertTrue(isp.push_accepts_more())
isp.push(" x=1")
self.assertTrue(isp.push_accepts_more())
isp.push("")
self.assertFalse(isp.push_accepts_more())
def test_push_accepts_more2(self):
isp = self.isp
isp.push('if 1:')
self.assertTrue(isp.push_accepts_more())
isp.push(' x=1')
self.assertTrue(isp.push_accepts_more())
isp.push('')
self.assertFalse(isp.push_accepts_more())
def test_indent(self):
isp = self.isp # shorthand
isp.push("x=1")
self.assertEqual(isp.indent_spaces, 0)
isp.push("if 1:\n x=1")
self.assertEqual(isp.indent_spaces, 4)
isp.push("y=2\n")
self.assertEqual(isp.indent_spaces, 0)
def test_push_accepts_more2(self):
isp = self.isp
isp.push('if 1:')
self.assertEqual(isp.push_accepts_more(), True)
isp.push(' x=1')
self.assertEqual(isp.push_accepts_more(), True)
isp.push('')
self.assertEqual(isp.push_accepts_more(), False)
def mini_interactive_loop(input_func):
"""Minimal example of the logic of an interactive interpreter loop.
This serves as an example, and it is used by the test system with a fake
raw_input that simulates interactive input."""
from IPython.core.inputsplitter import InputSplitter
isp = InputSplitter()
# In practice, this input loop would be wrapped in an outside loop to read
# input indefinitely, until some exit/quit command was issued. Here we
# only illustrate the basic inner loop.
while isp.push_accepts_more():
indent = ' '*isp.indent_spaces
prompt = '>>> ' + indent
line = indent + input_func(prompt)
isp.push(line)
# Here we just return input so we can use it in a test suite, but a real
# interpreter would instead send it for execution somewhere.
src = isp.source_reset()
#print 'Input source was:\n', src # dbg
return src
def test_dedent_continue(self):
isp = self.isp # shorthand
# should NOT cause dedent
isp.push('while 1:\n continues = 5')
self.assertEqual(isp.indent_spaces, 4)
isp.push('while 1:\n continue')
self.assertEqual(isp.indent_spaces, 0)
isp.push('while 1:\n continue ')
self.assertEqual(isp.indent_spaces, 0)
def test_dedent_pass(self):
isp = self.isp # shorthand
# should NOT cause dedent
isp.push('if 1:\n passes = 5')
self.assertEqual(isp.indent_spaces, 4)
isp.push('if 1:\n pass')
self.assertEqual(isp.indent_spaces, 0)
isp.push('if 1:\n pass ')
self.assertEqual(isp.indent_spaces, 0)
def test_dedent_break(self):
isp = self.isp # shorthand
# should NOT cause dedent
isp.push('while 1:\n breaks = 5')
self.assertEqual(isp.indent_spaces, 4)
isp.push('while 1:\n break')
self.assertEqual(isp.indent_spaces, 0)
isp.push('while 1:\n break ')
self.assertEqual(isp.indent_spaces, 0)
def test_push3(self):
isp = self.isp
isp.push("if True:")
isp.push(" a = 1")
self.assertEqual(isp.push("b = [1,"), False)
def test_push(self):
isp = self.isp
self.assertEqual(isp.push('x=1'), True)
def test_continuation(self):
isp = self.isp
isp.push("import os, \\")
self.assertEqual(isp.push_accepts_more(), True)
isp.push("sys")
self.assertEqual(isp.push_accepts_more(), False)
def test_push_accepts_more3(self):
isp = self.isp
isp.push("x = (2+\n3)")
self.assertEqual(isp.push_accepts_more(), False)
def test_push(self):
isp = self.isp
self.assertTrue(isp.push('x=1'))
#isp, start_prompt = InputSplitter(), '>>> '
isp, start_prompt = IPythonInputSplitter(), 'In> '
autoindent = True
#autoindent = False
try:
while True:
prompt = start_prompt
while isp.push_accepts_more():
indent = ' '*isp.indent_spaces
if autoindent:
line = indent + input(prompt+indent)
else:
line = input(prompt)
isp.push(line)
prompt = '... '
# Here we just return input so we can use it in a test suite, but a
# real interpreter would instead send it for execution somewhere.
#src = isp.source; raise EOFError # dbg
raw = isp.source_raw
src = isp.source_reset()
print('Input source was:\n', src)
print('Raw source was:\n', raw)
except EOFError:
print('Bye')
# Tests for cell magics support
def test_last_blank():
def test_push3(self):
isp = self.isp
isp.push('if True:')
isp.push(' a = 1')
self.assertFalse(isp.push('b = [1,'))
def test_push2(self):
isp = self.isp
self.assertFalse(isp.push('if 1:'))
for line in [' x=1', '# a comment', ' y=2']:
print(line)
self.assertTrue(isp.push(line))
def test_push_accepts_more(self):
isp = self.isp
isp.push('x=1')
self.assertFalse(isp.push_accepts_more())
def test_dedent(self):
isp = self.isp # shorthand
isp.push('if 1:')
self.assertEqual(isp.indent_spaces, 4)
isp.push(' pass')
self.assertEqual(isp.indent_spaces, 0)
def test_push2(self):
isp = self.isp
self.assertEqual(isp.push("if 1:"), False)
for line in [" x=1", "# a comment", " y=2"]:
print(line)
self.assertEqual(isp.push(line), True)
def test_push2(self):
isp = self.isp
self.assertEqual(isp.push('if 1:'), False)
for line in [' x=1', '# a comment', ' y=2']:
print(line)
self.assertEqual(isp.push(line), True)
def test_continuation(self):
isp = self.isp
isp.push("import os, \\")
self.assertTrue(isp.push_accepts_more())
isp.push("sys")
self.assertFalse(isp.push_accepts_more())