TST: Skip PostGIS tests for recent pandas master due to SQL API change (GH#98)

tests/test_geodataframe.py

@@ -13,7 +13,7 @@ from shapely.geometry import Point, Polygon
 import fiona
 from geopandas import GeoDataFrame, read_file, GeoSeries
 from .util import unittest, download_nybb, assert_geoseries_equal, connect, \
-                  create_db, validate_boro_df
+                  create_db, validate_boro_df, PANDAS_NEW_SQL_API
 
 
 class TestDataFrame(unittest.TestCase):
@@ -363,6 +363,8 @@ class TestDataFrame(unittest.TestCase):
                                            {'a': 2, 'b': np.nan}])
         assert_frame_equal(expected, result)
 
+    @unittest.skipIf(PANDAS_NEW_SQL_API, 'Development version of pandas '
+                     'not yet supported in SQL API.')
     def test_from_postgis_default(self):
         con = connect('test_geopandas')
         if con is None or not create_db(self.df):
@@ -376,6 +378,8 @@ class TestDataFrame(unittest.TestCase):
 
         validate_boro_df(self, df)
 
+    @unittest.skipIf(PANDAS_NEW_SQL_API, 'Development version of pandas '
+                     'not yet supported in SQL API.')
     def test_from_postgis_custom_geom_col(self):
         con = connect('test_geopandas')
         if con is None or not create_db(self.df):

tests/test_io.py

@@ -4,7 +4,8 @@ import fiona
 
 from geopandas import GeoDataFrame, read_postgis, read_file
 import tests.util
-from .util import unittest
+from .util import PANDAS_NEW_SQL_API, unittest
+
 
 class TestIO(unittest.TestCase):
     def setUp(self):
@@ -15,6 +16,8 @@ class TestIO(unittest.TestCase):
         with fiona.open(path, vfs=vfs) as f:
             self.crs = f.crs
 
+    @unittest.skipIf(PANDAS_NEW_SQL_API, 'Development version of pandas '
+                     'not yet supported in SQL API.')
     def test_read_postgis_default(self):
         con = tests.util.connect('test_geopandas')
         if con is None or not tests.util.create_db(self.df):
@@ -28,6 +31,8 @@ class TestIO(unittest.TestCase):
 
         tests.util.validate_boro_df(self, df)
 
+    @unittest.skipIf(PANDAS_NEW_SQL_API, 'Development version of pandas '
+                     'not yet supported in SQL API.')
     def test_read_postgis_custom_geom_col(self):
         con = tests.util.connect('test_geopandas')
         if con is None or not tests.util.create_db(self.df):

tests/util.py

@@ -22,6 +22,13 @@ except ImportError:
     class OperationalError(Exception):
         pass
 
+try:
+    from pandas import read_sql_table
+except ImportError:
+    PANDAS_NEW_SQL_API = False
+else:
+    PANDAS_NEW_SQL_API = True
+
 
 def download_nybb():
     """ Returns the path to the NYC boroughs file. Downloads if necessary. """