Reformat test code

IPython/core/tests/test_inputtransformer2_line.py

@@ -1,154 +1,166 b''
 """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 nose.tools as nt
 
 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]:
         nt.assert_equal(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)
 """)
 
 def test_classic_prompt():
     for sample, expected in [CLASSIC_PROMPT, CLASSIC_PROMPT_L2]:
         nt.assert_equal(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 = ("""\
+IPYTHON_PROMPT_VI_INS = (
+    """\
 [ins] In [11]: def a():
           ...:     123
           ...:
           ...: 123
-""", """\
+""",
+    """\
 def a():
     123
 
 123
-""")
+""",
+)
 
-IPYTHON_PROMPT_VI_NAV = ("""\
+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]:
-        nt.assert_equal(ipt2.ipython_prompt(sample.splitlines(keepends=True)),
-                        expected.splitlines(keepends=True))
+    for sample, expected in [
+        IPYTHON_PROMPT,
+        IPYTHON_PROMPT_L2,
+        IPYTHON_PROMPT_VI_INS,
+        IPYTHON_PROMPT_VI_NAV,
+    ]:
+        nt.assert_equal(
+            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]:
         nt.assert_equal(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]:
         nt.assert_equal(
                 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]:
         nt.assert_equal(ipt2.cell_magic(sample), expected)