From cf2d13c5cc98c1c4c98e92d9e619105f3fdf0a35 Mon Sep 17 00:00:00 2001
From: Kelsey Jordahl <kjordahl@alum.mit.edu>
Date: Mon, 21 Apr 2014 18:34:07 -0400
Subject: [PATCH] TST: Test for bad na argument to to_json()

---
 tests/test_geodataframe.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tests/test_geodataframe.py b/tests/test_geodataframe.py
index 3458772..558957e 100644
--- a/tests/test_geodataframe.py
+++ b/tests/test_geodataframe.py
@@ -236,6 +236,11 @@ class TestDataFrame(unittest.TestCase):
             if props['BoroName'] == 'Queens':
                 self.assertTrue(props['Shape_Area'] is None)
 
+    def test_to_json_bad_na(self):
+        # Check that a bad na argument raises error
+        with self.assertRaises(ValueError):
+            text = self.df.to_json(na='garbage')
+
     def test_to_json_dropna(self):
         self.df['Shape_Area'][self.df['BoroName']=='Queens'] = np.nan
         self.df['Shape_Leng'][self.df['BoroName']=='Bronx'] = np.nan