From c8b59350527f1890a87491d8ba2db3b30a0c0437 2014-04-18 20:50:23
From: jon <jon.freder@gmail.com>
Date: 2014-04-18 20:50:23
Subject: [PATCH] Added a cwd test

---

diff --git a/IPython/nbconvert/tests/files/hello.py b/IPython/nbconvert/tests/files/hello.py
new file mode 100644
index 0000000..d161b00
--- /dev/null
+++ b/IPython/nbconvert/tests/files/hello.py
@@ -0,0 +1,7 @@
+from IPython.nbconvert.writers.base import WriterBase
+
+class HelloWriter(WriterBase):
+
+    def write(self, output, resources, notebook_name=None, **kw):
+        with open('hello.txt', 'w') as outfile:
+            outfile.write('hello world')
diff --git a/IPython/nbconvert/tests/test_nbconvertapp.py b/IPython/nbconvert/tests/test_nbconvertapp.py
index a03c30a..9cb4388 100644
--- a/IPython/nbconvert/tests/test_nbconvertapp.py
+++ b/IPython/nbconvert/tests/test_nbconvertapp.py
@@ -200,3 +200,12 @@ class TestNbConvertApp(TestsBase):
                             '--PDFPostProcessor.verbose=True')
             assert os.path.isfile(u'nb1_análisis.tex')
             assert os.path.isfile(u'nb1_análisis.pdf')
+
+    def test_cwd_plugin(self):
+        """
+        Verify that an extension in the cwd can be imported.
+        """
+        with self.create_temp_cwd(['hello.py']):
+            self.create_empty_notebook(u'empty.ipynb')
+            self.call('nbconvert empty --to html --NbConvertApp.writer_class=\'hello.HelloWriter\'')
+            assert os.path.isfile(u'hello.txt')