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import contextlib
import io
import unittest
from unittest.mock import patch
from textwrap import dedent
from test.support import force_not_colorized
from _pyrepl.console import InteractiveColoredConsole
from _pyrepl.simple_interact import _more_lines
class TestSimpleInteract(unittest.TestCase):
def test_multiple_statements(self):
namespace = {}
code = dedent("""\
class A:
def foo(self):
pass
class B:
def bar(self):
pass
a = 1
a
""")
console = InteractiveColoredConsole(namespace, filename="<stdin>")
f = io.StringIO()
with (
patch.object(InteractiveColoredConsole, "showsyntaxerror") as showsyntaxerror,
patch.object(InteractiveColoredConsole, "runsource", wraps=console.runsource) as runsource,
contextlib.redirect_stdout(f),
):
more = console.push(code, filename="<stdin>", _symbol="single") # type: ignore[call-arg]
self.assertFalse(more)
showsyntaxerror.assert_not_called()
def test_multiple_statements_output(self):
namespace = {}
code = dedent("""\
b = 1
b
a = 1
a
""")
console = InteractiveColoredConsole(namespace, filename="<stdin>")
f = io.StringIO()
with contextlib.redirect_stdout(f):
more = console.push(code, filename="<stdin>", _symbol="single") # type: ignore[call-arg]
self.assertFalse(more)
self.assertEqual(f.getvalue(), "1\n")
@force_not_colorized
def test_multiple_statements_fail_early(self):
console = InteractiveColoredConsole()
code = dedent("""\
raise Exception('foobar')
print('spam', 'eggs', sep='&')
""")
f = io.StringIO()
with contextlib.redirect_stderr(f):
console.runsource(code)
self.assertIn('Exception: foobar', f.getvalue())
self.assertNotIn('spam&eggs', f.getvalue())
def test_empty(self):
namespace = {}
code = ""
console = InteractiveColoredConsole(namespace, filename="<stdin>")
f = io.StringIO()
with contextlib.redirect_stdout(f):
more = console.push(code, filename="<stdin>", _symbol="single") # type: ignore[call-arg]
self.assertFalse(more)
self.assertEqual(f.getvalue(), "")
def test_runsource_compiles_and_runs_code(self):
console = InteractiveColoredConsole()
source = "print('Hello, world!')"
with patch.object(console, "runcode") as mock_runcode:
console.runsource(source)
mock_runcode.assert_called_once()
def test_runsource_returns_false_for_successful_compilation(self):
console = InteractiveColoredConsole()
source = "print('Hello, world!')"
f = io.StringIO()
with contextlib.redirect_stdout(f):
result = console.runsource(source)
self.assertFalse(result)
@force_not_colorized
def test_runsource_returns_false_for_failed_compilation(self):
console = InteractiveColoredConsole()
source = "print('Hello, world!'"
f = io.StringIO()
with contextlib.redirect_stderr(f):
result = console.runsource(source)
self.assertFalse(result)
self.assertIn('SyntaxError', f.getvalue())
@force_not_colorized
def test_runsource_show_syntax_error_location(self):
console = InteractiveColoredConsole()
source = "def f(x, x): ..."
f = io.StringIO()
with contextlib.redirect_stderr(f):
result = console.runsource(source)
self.assertFalse(result)
r = """
def f(x, x): ...
^
SyntaxError: duplicate argument 'x' in function definition"""
self.assertIn(r, f.getvalue())
def test_runsource_shows_syntax_error_for_failed_compilation(self):
console = InteractiveColoredConsole()
source = "print('Hello, world!'"
with patch.object(console, "showsyntaxerror") as mock_showsyntaxerror:
console.runsource(source)
mock_showsyntaxerror.assert_called_once()
source = dedent("""\
match 1:
case {0: _, 0j: _}:
pass
""")
with patch.object(console, "showsyntaxerror") as mock_showsyntaxerror:
console.runsource(source)
mock_showsyntaxerror.assert_called_once()
def test_runsource_survives_null_bytes(self):
console = InteractiveColoredConsole()
source = "\x00\n"
f = io.StringIO()
with contextlib.redirect_stdout(f), contextlib.redirect_stderr(f):
result = console.runsource(source)
self.assertFalse(result)
self.assertIn("source code string cannot contain null bytes", f.getvalue())
def test_no_active_future(self):
console = InteractiveColoredConsole()
source = dedent("""\
x: int = 1
print(__annotations__)
""")
f = io.StringIO()
with contextlib.redirect_stdout(f):
result = console.runsource(source)
self.assertFalse(result)
self.assertEqual(f.getvalue(), "{'x': <class 'int'>}\n")
def test_future_annotations(self):
console = InteractiveColoredConsole()
source = dedent("""\
from __future__ import annotations
def g(x: int): ...
print(g.__annotations__)
""")
f = io.StringIO()
with contextlib.redirect_stdout(f):
result = console.runsource(source)
self.assertFalse(result)
self.assertEqual(f.getvalue(), "{'x': 'int'}\n")
def test_future_barry_as_flufl(self):
console = InteractiveColoredConsole()
f = io.StringIO()
with contextlib.redirect_stdout(f):
result = console.runsource("from __future__ import barry_as_FLUFL\n")
result = console.runsource("""print("black" <> 'blue')\n""")
self.assertFalse(result)
self.assertEqual(f.getvalue(), "True\n")
class TestMoreLines(unittest.TestCase):
def test_invalid_syntax_single_line(self):
namespace = {}
code = "if foo"
console = InteractiveColoredConsole(namespace, filename="<stdin>")
self.assertFalse(_more_lines(console, code))
def test_empty_line(self):
namespace = {}
code = ""
console = InteractiveColoredConsole(namespace, filename="<stdin>")
self.assertFalse(_more_lines(console, code))
def test_valid_single_statement(self):
namespace = {}
code = "foo = 1"
console = InteractiveColoredConsole(namespace, filename="<stdin>")
self.assertFalse(_more_lines(console, code))
def test_multiline_single_assignment(self):
namespace = {}
code = dedent("""\
foo = [
1,
2,
3,
]""")
console = InteractiveColoredConsole(namespace, filename="<stdin>")
self.assertFalse(_more_lines(console, code))
def test_multiline_single_block(self):
namespace = {}
code = dedent("""\
def foo():
'''docs'''
return 1""")
console = InteractiveColoredConsole(namespace, filename="<stdin>")
self.assertTrue(_more_lines(console, code))
def test_multiple_statements_single_line(self):
namespace = {}
code = "foo = 1;bar = 2"
console = InteractiveColoredConsole(namespace, filename="<stdin>")
self.assertFalse(_more_lines(console, code))
def test_multiple_statements(self):
namespace = {}
code = dedent("""\
import time
foo = 1""")
console = InteractiveColoredConsole(namespace, filename="<stdin>")
self.assertTrue(_more_lines(console, code))
def test_multiple_blocks(self):
namespace = {}
code = dedent("""\
from dataclasses import dataclass
@dataclass
class Point:
x: float
y: float""")
console = InteractiveColoredConsole(namespace, filename="<stdin>")
self.assertTrue(_more_lines(console, code))
def test_multiple_blocks_empty_newline(self):
namespace = {}
code = dedent("""\
from dataclasses import dataclass
@dataclass
class Point:
x: float
y: float
""")
console = InteractiveColoredConsole(namespace, filename="<stdin>")
self.assertFalse(_more_lines(console, code))
def test_multiple_blocks_indented_newline(self):
namespace = {}
code = (
"from dataclasses import dataclass\n"
"\n"
"@dataclass\n"
"class Point:\n"
" x: float\n"
" y: float\n"
" "
)
console = InteractiveColoredConsole(namespace, filename="<stdin>")
self.assertFalse(_more_lines(console, code))
def test_incomplete_statement(self):
namespace = {}
code = "if foo:"
console = InteractiveColoredConsole(namespace, filename="<stdin>")
self.assertTrue(_more_lines(console, code))
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