Add tests (#33)

* Solved exception: Template does not exist

For some reason, I added set wildignore=*.txt in my vimrc, which caused expand('/path/to/file.txt') failure, so only expand tmpldir instead of full path.

* Add template does not found exception tests

Author: heavenshell

CHANGES.rst

@@ -1,3 +1,15 @@
+Version 0.1.4
+-------------
+Released on Sep 10th 2017
+
+- Fix bug
+
+  Template does not exist exception at set wildignore=*.txt
+
+  see https://github.com/heavenshell/vim-pydocstring/pull/32
+
+  Thx @demonye
+
 Version 0.1.3
 -------------
 Released on Jul 18th 2017

autoload/pydocstring.vim

@@ -1,6 +1,6 @@
 " Insert Docstring.
 " Author:      Shinya Ohyanagi <sohyanagi@gmail.com>
-" Version:     0.1.3
+" Version:     0.1.4
 " WebPage:     http://github.com/heavenshell/vim-pydocstriong/
 " Description: Generate Python docstring to your Python script file.
 " License:     BSD, see LICENSE for more details.

doc/pydocstring.txt

@@ -1,6 +1,6 @@
 *pydocstring.txt*	Generate Python docstring to your Python code.
 
-Version: 0.1.3
+Version: 0.1.4
 Author: Shinya Ohynagi <sohyanagi@gmail.com>
 Repository: http://github.com/heavenshell/vim-pydocstring/
 License: BSD, see LICENSE for more details.

ftplugin/python/pydocstring.vim

@@ -1,6 +1,6 @@
 " File:     pydocstring.vim
 " Author:   Shinya Ohyanagi <sohyanagi@gmail.com>
-" Version:  0.1.3
+" Version:  0.1.4
 " WebPage:  http://github.com/heavenshell/vim-pydocstriong/
 " Description: Generate Python docstring to your Python script file.
 " License: BSD, see LICENSE for more details.

test/issue_wildignore.vader

@@ -0,0 +1,38 @@
+# vim:set et sw=4 ts=4 tw=79:
+# Execute (Setup template dir):
+#     set wildignore=*.txt
+
+Given python (template_dir does not exists):
+    def foo(arg1):
+        pass
+
+Execute:
+    let templates_dir = g:pydocstring_templates_dir
+    Save g:pydocstring_templates_dir
+    let g:pydocstring_templates_dir = './notfound/'
+    :redir => ret
+    :Pydocstring
+    :redir END
+    let g:pydocstring_templates_dir = templates_dir
+    AssertEqual ret, "\nTemplate ./notfound/multi.txt does not exist."
+
+
+Expect python:
+    def foo(arg1):
+        pass
+
+Given python (set wildignore=*.txt):
+    def foo(arg1):
+        pass
+
+Execute:
+    :set wildignore=*.txt
+    :Pydocstring
+
+Expect python:
+    def foo(arg1):
+        """foo
+
+        :param arg1:
+        """
+        pass