From 265c0806a8ac1896ac71aeeda285fc9aaea8b5d2 Mon Sep 17 00:00:00 2001
From: Matthew Newville <newville@cars.uchicago.edu>
Date: Sat, 11 Jan 2025 15:16:37 -0600
Subject: [PATCH] add test of adding athena group

---
 tests/test_athena_addgroup.py | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 tests/test_athena_addgroup.py

diff --git a/tests/test_athena_addgroup.py b/tests/test_athena_addgroup.py
new file mode 100644
index 000000000..f64c92067
--- /dev/null
+++ b/tests/test_athena_addgroup.py
@@ -0,0 +1,16 @@
+import numpy.testing
+from larch.io import read_ascii, AthenaProject
+
+
+def test_add_athena_group():
+    a = read_ascii('../examples/xafsdata/cu_10k.xmu')
+    b = read_ascii('../examples/xafsdata/cu_10k.xmu')
+    b.mutrans = b.mu[:]
+    b.filename = 'cu_10k_copy.xmu'
+    del b.mu
+
+
+    p = AthenaProject('x1.prj')
+    p.add_group(a)
+    p.add_group(b)
+    p.save()