From 5b2bc6a43961b217394915c138d1d333506577eb Mon Sep 17 00:00:00 2001
From: Joseph Weston <joseph@weston.cloud>
Date: Fri, 27 Sep 2019 14:00:12 +0200
Subject: [PATCH] add test for kpm.conductivity when 'norbs' not provided
---
kwant/tests/test_kpm.py | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/kwant/tests/test_kpm.py b/kwant/tests/test_kpm.py
index 7ae18733..524cc57d 100644
--- a/kwant/tests/test_kpm.py
+++ b/kwant/tests/test_kpm.py
@@ -80,6 +80,13 @@ def test_conductivity():
cond = kwant.kpm.conductivity(syst, alpha=alpha, beta=beta,
positions=None, **kpm_params)
+ # test when 'norbs' not provided
+ n = lat.norbs
+ lat.norbs = None
+ cond = kwant.kpm.conductivity(syst, alpha=alpha, beta=beta,
+ positions=None, **kpm_params)
+ lat.norbs = n
+
# test system or hamiltonian, no positions, but velocity operators
cond_xx = kwant.kpm.conductivity(syst, alpha='x', beta='x',
positions=None, **kpm_params)
--
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