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"""Tests for the line-based transformers in IPython.core.inputtransformer2
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Line-based transformers are the simpler ones; token-based transformers are
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more complex. See test_inputtransformer2 for tests for token-based transformers.
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"""
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from IPython.core import inputtransformer2 as ipt2
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CELL_MAGIC = ("""\
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%%foo arg
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body 1
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body 2
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""", """\
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get_ipython().run_cell_magic('foo', 'arg', 'body 1\\nbody 2\\n')
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""")
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def test_cell_magic():
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for sample, expected in [CELL_MAGIC]:
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assert ipt2.cell_magic(sample.splitlines(keepends=True)) == expected.splitlines(
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keepends=True
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)
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CLASSIC_PROMPT = ("""\
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>>> for a in range(5):
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... print(a)
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""", """\
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for a in range(5):
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print(a)
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""")
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CLASSIC_PROMPT_L2 = ("""\
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for a in range(5):
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... print(a)
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... print(a ** 2)
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""", """\
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for a in range(5):
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print(a)
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print(a ** 2)
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""")
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def test_classic_prompt():
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for sample, expected in [CLASSIC_PROMPT, CLASSIC_PROMPT_L2]:
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assert ipt2.classic_prompt(
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sample.splitlines(keepends=True)
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) == expected.splitlines(keepends=True)
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IPYTHON_PROMPT = ("""\
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In [1]: for a in range(5):
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...: print(a)
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""", """\
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for a in range(5):
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print(a)
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""")
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IPYTHON_PROMPT_L2 = ("""\
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for a in range(5):
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...: print(a)
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...: print(a ** 2)
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""", """\
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for a in range(5):
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print(a)
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print(a ** 2)
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""")
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IPYTHON_PROMPT_VI_INS = (
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"""\
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[ins] In [11]: def a():
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...: 123
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...:
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...: 123
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""",
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"""\
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def a():
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123
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123
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""",
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)
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IPYTHON_PROMPT_VI_NAV = (
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"""\
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[nav] In [11]: def a():
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...: 123
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...:
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...: 123
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""",
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"""\
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def a():
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123
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123
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""",
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)
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def test_ipython_prompt():
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for sample, expected in [
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IPYTHON_PROMPT,
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IPYTHON_PROMPT_L2,
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IPYTHON_PROMPT_VI_INS,
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IPYTHON_PROMPT_VI_NAV,
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]:
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assert ipt2.ipython_prompt(
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sample.splitlines(keepends=True)
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) == expected.splitlines(keepends=True)
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INDENT_SPACES = ("""\
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if True:
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a = 3
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""", """\
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if True:
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a = 3
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""")
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INDENT_TABS = ("""\
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\tif True:
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\t\tb = 4
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""", """\
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if True:
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\tb = 4
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""")
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def test_leading_indent():
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for sample, expected in [INDENT_SPACES, INDENT_TABS]:
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assert ipt2.leading_indent(
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sample.splitlines(keepends=True)
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) == expected.splitlines(keepends=True)
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LEADING_EMPTY_LINES = ("""\
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\t
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if True:
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a = 3
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b = 4
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""", """\
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if True:
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a = 3
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b = 4
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""")
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ONLY_EMPTY_LINES = ("""\
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\t
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""", """\
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\t
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""")
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def test_leading_empty_lines():
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for sample, expected in [LEADING_EMPTY_LINES, ONLY_EMPTY_LINES]:
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assert ipt2.leading_empty_lines(
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sample.splitlines(keepends=True)
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) == expected.splitlines(keepends=True)
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CRLF_MAGIC = ([
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"%%ls\r\n"
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], [
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"get_ipython().run_cell_magic('ls', '', '')\n"
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])
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def test_crlf_magic():
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for sample, expected in [CRLF_MAGIC]:
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assert ipt2.cell_magic(sample) == expected
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