diff --git a/tests/regression_tests/eigenvalue_genperbatch/geometry.xml b/tests/regression_tests/eigenvalue_genperbatch/geometry.xml
deleted file mode 100644
index bc56030e18..0000000000
--- a/tests/regression_tests/eigenvalue_genperbatch/geometry.xml
+++ /dev/null
@@ -1,8 +0,0 @@
-<?xml version="1.0"?>
-<geometry>
-
-  <!-- Sphere with radius 10 -->
-  <surface id="1" type="sphere" coeffs="0 0 0 10" boundary="vacuum"/>
-  <cell id="1" material="1" region="-1" />
-    
-</geometry>
diff --git a/tests/regression_tests/eigenvalue_genperbatch/inputs_true.dat b/tests/regression_tests/eigenvalue_genperbatch/inputs_true.dat
new file mode 100644
index 0000000000..dabd743c1d
--- /dev/null
+++ b/tests/regression_tests/eigenvalue_genperbatch/inputs_true.dat
@@ -0,0 +1,25 @@
+<?xml version='1.0' encoding='utf-8'?>
+<geometry>
+  <cell id="1" material="1" region="-1" universe="1" />
+  <surface boundary="vacuum" coeffs="0.0 0.0 0.0 10.0" id="1" type="sphere" />
+</geometry>
+<?xml version='1.0' encoding='utf-8'?>
+<materials>
+  <material depletable="true" id="1">
+    <density units="g/cm3" value="4.5" />
+    <nuclide ao="1.0" name="U235" />
+  </material>
+</materials>
+<?xml version='1.0' encoding='utf-8'?>
+<settings>
+  <run_mode>eigenvalue</run_mode>
+  <particles>1000</particles>
+  <batches>7</batches>
+  <inactive>3</inactive>
+  <generations_per_batch>3</generations_per_batch>
+  <source strength="1.0">
+    <space type="box">
+      <parameters>-4.0 -4.0 -4.0 4.0 4.0 4.0</parameters>
+    </space>
+  </source>
+</settings>
diff --git a/tests/regression_tests/eigenvalue_genperbatch/materials.xml b/tests/regression_tests/eigenvalue_genperbatch/materials.xml
deleted file mode 100644
index 2472a74717..0000000000
--- a/tests/regression_tests/eigenvalue_genperbatch/materials.xml
+++ /dev/null
@@ -1,9 +0,0 @@
-<?xml version="1.0"?>
-<materials>
-
-  <material id="1">
-    <density value="4.5" units="g/cc" />
-    <nuclide name="U235" ao="1.0" />
-  </material>
-
-</materials>
diff --git a/tests/regression_tests/eigenvalue_genperbatch/settings.xml b/tests/regression_tests/eigenvalue_genperbatch/settings.xml
deleted file mode 100644
index fefc2d059a..0000000000
--- a/tests/regression_tests/eigenvalue_genperbatch/settings.xml
+++ /dev/null
@@ -1,16 +0,0 @@
-<?xml version="1.0"?>
-<settings>
-
-  <run_mode>eigenvalue</run_mode>
-  <batches>7</batches>
-  <inactive>3</inactive>
-  <particles>1000</particles>
-  <generations_per_batch>3</generations_per_batch>
-
-  <source>
-    <space type="box">
-      <parameters>-4 -4 -4  4  4  4</parameters>
-    </space>
-  </source>
-
-</settings>
diff --git a/tests/regression_tests/eigenvalue_genperbatch/test.py b/tests/regression_tests/eigenvalue_genperbatch/test.py
index 0dfb112428..5497c37d29 100644
--- a/tests/regression_tests/eigenvalue_genperbatch/test.py
+++ b/tests/regression_tests/eigenvalue_genperbatch/test.py
@@ -1,6 +1,32 @@
-from tests.testing_harness import TestHarness
+import openmc
+import pytest
+
+from tests.testing_harness import PyAPITestHarness
 
 
-def test_eigenvalue_genperbatch():
-    harness = TestHarness('statepoint.7.h5')
+@pytest.fixture
+def model():
+    model = openmc.model.Model()
+
+    m = openmc.Material()
+    m.set_density('g/cm3', 4.5)
+    m.add_nuclide('U235', 1.0)
+    model.materials.append(m)
+
+    sph = openmc.Sphere(r=10.0, boundary_type='vacuum')
+    c = openmc.Cell(fill=m, region=-sph)
+    model.geometry = openmc.Geometry([c])
+
+    model.settings.particles = 1000
+    model.settings.inactive = 3
+    model.settings.batches = 7
+    model.settings.generations_per_batch = 3
+    space = openmc.stats.Box((-4.0, -4.0, -4.0), (4.0, 4.0, 4.))
+    model.settings.source = openmc.Source(space=space)
+
+    return model
+
+
+def test_eigenvalue_genperbatch(model):
+    harness = PyAPITestHarness('statepoint.7.h5', model)
     harness.main()