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Issue #25677: Merge SyntaxError caret positioning from 3.5

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This commit is contained in:
Martin Panter 2016-12-19 06:46:01 +00:00
commit 619555d77b
5 changed files with 39 additions and 5 deletions
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33
Lib/test/test_cmd_line_script.py
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@ -10,6 +10,7 @@ import os
import os.path
import py_compile
import subprocess
import io
import textwrap
from test import support
@ -539,6 +540,38 @@ class CmdLineTest(unittest.TestCase):
text = stderr.decode('ascii')
self.assertEqual(text, "some text")
def test_syntaxerror_unindented_caret_position(self):
script = "1 + 1 = 2\n"
with support.temp_dir() as script_dir:
script_name = _make_test_script(script_dir, 'script', script)
exitcode, stdout, stderr = assert_python_failure(script_name)
text = io.TextIOWrapper(io.BytesIO(stderr), 'ascii').read()
# Confirm that the caret is located under the first 1 character
self.assertIn("\n 1 + 1 = 2\n ^", text)
def test_syntaxerror_indented_caret_position(self):
script = textwrap.dedent("""\
if True:
1 + 1 = 2
""")
with support.temp_dir() as script_dir:
script_name = _make_test_script(script_dir, 'script', script)
exitcode, stdout, stderr = assert_python_failure(script_name)
text = io.TextIOWrapper(io.BytesIO(stderr), 'ascii').read()
# Confirm that the caret is located under the first 1 character
self.assertIn("\n 1 + 1 = 2\n ^", text)
# Try the same with a form feed at the start of the indented line
script = (
"if True:\n"
"\f 1 + 1 = 2\n"
)
script_name = _make_test_script(script_dir, "script", script)
exitcode, stdout, stderr = assert_python_failure(script_name)
text = io.TextIOWrapper(io.BytesIO(stderr), "ascii").read()
self.assertNotIn("\f", text)
self.assertIn("\n 1 + 1 = 2\n ^", text)
def test_main():
support.run_unittest(CmdLineTest)