From 195720b333eb356b223aa4b03d066a8b6f08274e Mon Sep 17 00:00:00 2001
From: Paul Natsuo Kishimoto <mail@paul.kishimoto.name>
Date: Tue, 23 Feb 2021 12:03:12 +0100
Subject: [PATCH] Add (failing) test of Scenario.solve() using DatabaseBackend

---
 ixmp/tests/backend/test_dbapi.py | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/ixmp/tests/backend/test_dbapi.py b/ixmp/tests/backend/test_dbapi.py
index 524f5c07f..f56bd865a 100644
--- a/ixmp/tests/backend/test_dbapi.py
+++ b/ixmp/tests/backend/test_dbapi.py
@@ -99,5 +99,18 @@ def test_ts(self, mp):
         assert 2 == ts2.version
         assert ts2.is_default()
 
-    def test_make_dantzig(self, mp):
-        make_dantzig(mp)
+    @pytest.mark.parametrize(
+        "solve",
+        (
+            False,
+            pytest.param(
+                True,
+                marks=pytest.mark.xfail(
+                    raises=NotImplementedError,
+                    reason=".backend.io.s_write_gdx() is not implemented",
+                ),
+            ),
+        ),
+    )
+    def test_make_dantzig(self, mp, solve):
+        make_dantzig(mp, solve=solve)