Test for vi-prompt strip

IPython/core/tests/test_inputtransformer2_line.py

@@ -61,11 +61,39 b' for a in range(5):'
     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]:
+    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