Fix argument order in VLSR tests

test/test_track_doppler.py

@@ -55,10 +55,14 @@ class DopplerTrackingTest(unittest.TestCase):
             self.event_called += 1
             return self.event_called >= 3
 
+        def no_doppler_function(a, b, c, d):
+            return 42*u.Hz
+
         exit_event.is_set = three_times
 
         track_doppler.track_doppler(self.telescope_mock, self.local_oscillator_mock,
-                                    exit_event=exit_event, timeout=0.)
+                                    exit_event=exit_event, timeout=0.,
+                                    doppler_function=no_doppler_function)
         print(self.local_oscillator_mock.mock_calls)
 
 

vlsr.py

@@ -63,7 +63,7 @@ def test_vlsr():
     t = Time("2018-06-21T12:00:00", scale="utc", format="isot")
     v = vlsr(t, loc, psrc, verbose=True)
     print("LSR velocity:                {0:+8.3f}".format(v.to(u.km / u.s)))
-    f = doppler_frequency(t, loc, psrc, freq_hi)
+    f = doppler_frequency(psrc, t, freq_hi, loc)
     print("Doppler HI: {}".format(f))
 
     cmd = "~harm/bin/vlsr %f %f 2000 %s %f %f 0" %\
@@ -79,7 +79,7 @@ def test_vlsr():
     t = Time("2018-06-21T12:00:00", scale="utc", format="isot")
     v = vlsr(t, loc, psrc, verbose=True)
     print("LSR velocity:                {0:+8.3f}".format(v.to(u.km / u.s)))
-    f = doppler_frequency(t, loc, psrc, freq_hi)
+    f = doppler_frequency(psrc, t, freq_hi, loc)
     print("Doppler HI: {}".format(f))
     cmd = "~harm/bin/vlsr %f %f 2000 %s %f %f 0" %\
           (psrc.ra.rad, psrc.dec.rad, t.unix, loc.lat.rad, loc.lon.rad)