fix stirring in test env; docs

Author: CamDavidsonPilon

core/pioreactor/calibrations/protocols/stirring_dc_based.py

@@ -5,6 +5,7 @@
 
 """
 import uuid
+from contextlib import nullcontext
 from time import sleep
 from typing import ClassVar
 from typing import Literal
@@ -33,6 +34,10 @@
 from pioreactor.utils.timing import current_utc_datetime
 from pioreactor.whoami import get_testing_experiment_name
 from pioreactor.whoami import get_unit_name
+from pioreactor.whoami import is_testing_env
+
+if is_testing_env():
+    from pioreactor.utils.mock import MockRpmCalculator
 
 
 def _resolve_dc_bounds(min_dc: float | None, max_dc: float | None) -> tuple[float, float]:
@@ -68,7 +73,10 @@ def collect_stirring_measurements(
         dcs = linspace(max_dc, min_dc, 5) + linspace(min_dc, max_dc, 5) + linspace(max_dc, min_dc, 5)
         n_samples = len(dcs)
 
-        with stirring.RpmFromFrequency() as rpm_calc, stirring.Stirrer(
+        rpm_calc_context = (
+            nullcontext(MockRpmCalculator()) if is_testing_env() else stirring.RpmFromFrequency()
+        )
+        with rpm_calc_context as rpm_calc, stirring.Stirrer(
             target_rpm=0,
             unit=unit,
             experiment=experiment,

core/tests/test_calibrations.py

@@ -101,6 +101,7 @@ def test_load_calibration_validation_error(temp_calibration_dir) -> None:
         load_calibration("od90", "bad_cal")
 
     assert "Error reading bad_cal" in str(exc_info.value)
+    bad_calibration_file.unlink()
 
 
 # test calibration structs

frontend/src/components/SelfTestDialog.jsx

@@ -281,7 +281,7 @@ export default function SelfTestDialog({disabled, experiment, unit, label , self
 
           <ManageDivider/>
           <Typography variant="body2" component="p" gutterBottom>
-            Learn more about self tests and <a rel="noopener noreferrer" target="_blank" href="https://docs.pioreactor.com/user-guide/running-self-test#explanation-of-each-test">what to do if a test fails.</a>
+            Learn more about self tests and <a rel="noopener noreferrer" target="_blank" href="https://docs.pioreactor.com/user-guide/self-test-reference">what to do if a test fails.</a>
           </Typography>
         </DialogContent>
       </Dialog>