Merge pull request #51 from xmnlab/master

Just add mapd backend to test when python == 3.

ibis/tests/all/conftest.py

@@ -1,4 +1,5 @@
 import os
+import sys
 import pytest
 
 from ibis.compat import Path
@@ -9,6 +10,21 @@
 
 pytestmark = pytest.mark.backend
 
+params_backend = [
+    pytest.param(Csv, marks=pytest.mark.csv),
+    pytest.param(Parquet, marks=pytest.mark.parquet),
+    pytest.param(Pandas, marks=pytest.mark.pandas),
+    pytest.param(SQLite, marks=pytest.mark.sqlite),
+    pytest.param(Postgres, marks=pytest.mark.postgres),
+    pytest.param(MySQL, marks=pytest.mark.mysql),
+    pytest.param(Clickhouse, marks=pytest.mark.clickhouse),
+    pytest.param(BigQuery, marks=pytest.mark.bigquery),
+    pytest.param(Impala, marks=pytest.mark.impala)
+]
+
+if sys.version_info[0] == 3:
+    params_backend.append(pytest.param(MapD, marks=pytest.mark.mapd))
+
 
 @pytest.fixture(scope='session')
 def data_directory():
@@ -24,18 +40,7 @@ def data_directory():
     return datadir
 
 
-@pytest.fixture(params=[
-    pytest.param(Csv, marks=pytest.mark.csv),
-    pytest.param(Parquet, marks=pytest.mark.parquet),
-    pytest.param(Pandas, marks=pytest.mark.pandas),
-    pytest.param(SQLite, marks=pytest.mark.sqlite),
-    pytest.param(Postgres, marks=pytest.mark.postgres),
-    pytest.param(MapD, marks=pytest.mark.mapd),
-    pytest.param(MySQL, marks=pytest.mark.mysql),
-    pytest.param(Clickhouse, marks=pytest.mark.clickhouse),
-    pytest.param(BigQuery, marks=pytest.mark.bigquery),
-    pytest.param(Impala, marks=pytest.mark.impala)
-], scope='session')
+@pytest.fixture(params=params_backend, scope='session')
 def backend(request, data_directory):
     return request.param(data_directory)