python

python/simple-integration-tests/eiger/test_dynamic_range.py

@@ -0,0 +1,44 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+"""
+Testing setting dynamic range for Eiger. 
+If the detector is not Eiger the tests are skipped
+"""
+import pytest
+import config_test
+from fixtures import detector, eiger, jungfrau, eigertest, jungfrautest
+from sls_detector.errors import DetectorValueError
+
+
+@eigertest
+def test_set_dynamic_range_and_make_acq(eiger):
+    eiger.exposure_time = 0.5
+    eiger.n_frames = 2
+    for dr in [4, 8, 16, 32]:
+        eiger.dynamic_range = dr
+        assert eiger.dynamic_range == dr
+        eiger.acq()
+        assert eiger.frames_caught == 2
+
+
+@eigertest
+def test_set_dynamic_range_raises(eiger):
+    with pytest.raises(DetectorValueError):
+        eiger.dynamic_range = 1
+    with pytest.raises(DetectorValueError):
+        eiger.dynamic_range = 75
+    with pytest.raises(DetectorValueError):
+        eiger.dynamic_range = -3
+    with pytest.raises(DetectorValueError):
+        eiger.dynamic_range = 12
+
+@eigertest
+def test_set_dynamic_range_reduces_speed(eiger):
+    eiger.readout_clock = 'Full Speed'
+    eiger.dynamic_range = 32
+    assert eiger.dynamic_range == 32
+    assert eiger.readout_clock == 'Quarter Speed'
+
+    eiger.dynamic_range = 16
+    assert eiger.dynamic_range == 16
+    assert eiger.readout_clock == 'Half Speed'