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test_inputtransformer2_line.py
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307 lines (255 loc) · 4.65 KB
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"""Tests for the line-based transformers in IPython.core.inputtransformer2
Line-based transformers are the simpler ones; token-based transformers are
more complex. See test_inputtransformer2 for tests for token-based transformers.
"""
import pytest
from IPython.core import inputtransformer2 as ipt2
CELL_MAGIC = (
"""\
%%foo arg
body 1
body 2
""",
"""\
get_ipython().run_cell_magic('foo', 'arg', 'body 1\\nbody 2\\n')
""",
)
def test_cell_magic():
for sample, expected in [CELL_MAGIC]:
assert ipt2.cell_magic(sample.splitlines(keepends=True)) == expected.splitlines(
keepends=True
)
CLASSIC_PROMPT = (
"""\
>>> for a in range(5):
... print(a)
""",
"""\
for a in range(5):
print(a)
""",
)
CLASSIC_PROMPT_L2 = (
"""\
for a in range(5):
... print(a)
... print(a ** 2)
""",
"""\
for a in range(5):
... print(a)
... print(a ** 2)
""",
)
CLASSIC_PROMPT_L3 = (
"""\
>>> \"\"\"
... This code is inside a triple-quoted string.
... >>> for a in range(5):
... ... print(a)
... \"\"\"
>>> for a in range(5):
... print(a)
""",
"""\
>>> \"\"\"
... This code is inside a triple-quoted string.
... >>> for a in range(5):
... ... print(a)
... \"\"\"
for a in range(5):
print(a)
""",
)
CLASSIC_PROMPT_DEDENT_SINGLE_LINE = (
">>> print(1)\n",
"print(1)\n",
)
CLASSIC_PROMPT_DEDENT_LEADING_WS = (
" >>> print(1)\n",
"print(1)\n",
)
CLASSIC_PROMPT_MULTILINE_DOCTEST = (
"""\
>>> for i in range(2):
... print(i)
""",
"""\
for i in range(2):
print(i)
""",
)
CLASSIC_PROMPT_STANDALONE_CONTINUATION = (
"... print(1)\n",
"... print(1)\n",
)
def test_classic_prompt():
for sample, expected in [
CLASSIC_PROMPT,
CLASSIC_PROMPT_L2,
CLASSIC_PROMPT_L3,
CLASSIC_PROMPT_DEDENT_SINGLE_LINE,
CLASSIC_PROMPT_DEDENT_LEADING_WS,
CLASSIC_PROMPT_MULTILINE_DOCTEST,
CLASSIC_PROMPT_STANDALONE_CONTINUATION,
]:
assert ipt2.classic_prompt(
sample.splitlines(keepends=True)
) == expected.splitlines(keepends=True)
IPYTHON_PROMPT = (
"""\
In [1]: for a in range(5):
...: print(a)
""",
"""\
for a in range(5):
print(a)
""",
)
IPYTHON_PROMPT_L2 = (
"""\
for a in range(5):
...: print(a)
...: print(a ** 2)
""",
"""\
for a in range(5):
print(a)
print(a ** 2)
""",
)
IPYTHON_PROMPT_VI_INS = (
"""\
[ins] In [11]: def a():
...: 123
...:
...: 123
""",
"""\
def a():
123
123
""",
)
IPYTHON_PROMPT_VI_NAV = (
"""\
[nav] In [11]: def a():
...: 123
...:
...: 123
""",
"""\
def a():
123
123
""",
)
def test_ipython_prompt():
for sample, expected in [
IPYTHON_PROMPT,
IPYTHON_PROMPT_L2,
IPYTHON_PROMPT_VI_INS,
IPYTHON_PROMPT_VI_NAV,
]:
assert ipt2.ipython_prompt(
sample.splitlines(keepends=True)
) == expected.splitlines(keepends=True)
INDENT_SPACES = (
"""\
if True:
a = 3
""",
"""\
if True:
a = 3
""",
)
INDENT_TABS = (
"""\
\tif True:
\t\tb = 4
""",
"""\
if True:
\tb = 4
""",
)
def test_leading_indent():
for sample, expected in [INDENT_SPACES, INDENT_TABS]:
assert ipt2.leading_indent(
sample.splitlines(keepends=True)
) == expected.splitlines(keepends=True)
INDENT_SPACES_COMMENT = (
"""\
# comment
if True:
a = 3
""",
"""\
# comment
if True:
a = 3
""",
)
INDENT_TABS_COMMENT = (
"""\
\t# comment
if True:
\tb = 4
""",
"""\
\t# comment
if True:
\tb = 4
""",
)
INDENTED_CODE_WITH_ALIGNED_COMMENT = (
"""\
# comment
x = 1
print(x)
""",
"""\
# comment
x = 1
print(x)
""",
)
@pytest.mark.parametrize(
"sample, expected",
[INDENT_SPACES_COMMENT, INDENT_TABS_COMMENT, INDENTED_CODE_WITH_ALIGNED_COMMENT],
)
def test_leading_indent_comment(sample, expected):
assert ipt2.leading_indent(sample.splitlines(keepends=True)) == expected.splitlines(
keepends=True
)
LEADING_EMPTY_LINES = (
"""\
\t
if True:
a = 3
b = 4
""",
"""\
if True:
a = 3
b = 4
""",
)
ONLY_EMPTY_LINES = (
"""\
\t
""",
"""\
\t
""",
)
def test_leading_empty_lines():
for sample, expected in [LEADING_EMPTY_LINES, ONLY_EMPTY_LINES]:
assert ipt2.leading_empty_lines(
sample.splitlines(keepends=True)
) == expected.splitlines(keepends=True)
CRLF_MAGIC = (["%%ls\r\n"], ["get_ipython().run_cell_magic('ls', '', '')\n"])
def test_crlf_magic():
for sample, expected in [CRLF_MAGIC]:
assert ipt2.cell_magic(sample) == expected