Add test pyc

Should succeed for python2 and faild for python3

test/test_pyc.py

@@ -0,0 +1,38 @@
+"""
+Test completions from *.pyc files:
+
+ - generated a dummy python module
+ - compile the dummy module to generate a *.pyc
+ - delete the pure python dummy module
+ - try jedi on the generated *.pyc
+"""
+import os
+import compileall
+import jedi
+
+SRC = """class Foo:
+    pass
+
+class Bar:
+    pass
+"""
+
+
+def generate_pyc():
+    with open("dummy.py", 'w') as f:
+        f.write(SRC)
+    compileall.compile_file("dummy.py")
+    os.remove("dummy.py")
+
+
+def test_pyc():
+    """
+    The list of completion must be greater than 2.
+    """
+    generate_pyc()
+    s = jedi.Script("import dummy; dummy.")
+    assert len(s.completions()) >= 2
+
+
+if __name__ == "__main__":
+    test_pyc()