Cleanup test code and docstring

tests/SillyCentroid.h

@@ -48,10 +48,10 @@ class SillyCentroidControl {
 
 /**
  *  @brief A class that calculates a centroid as a simple unweighted first moment
- *         of the 3x3 region around a pixel.
+ *         of the 3x3 region around a pixel; this should only be used in tests.
  *
  *   A fixed background (set via config) may optionally be subtracted.
- *   This algorithm does not currently report an error, but it probably should.
+ *   This algorithm does not report an error.
  */
 
 class SillyCentroidAlgorithm : public lsst::meas::base::SimpleAlgorithm {

tests/test_ImportCentroidAlgorithm.py

@@ -40,12 +40,6 @@ class CentroidTestCase(lsst.utils.tests.TestCase):
     """A test case for centroiding.
     """
 
-    def setUp(self):
-        pass
-
-    def tearDown(self):
-        pass
-
     def testApplyCentroid(self):
         """Test that we can instantiate and play with SillyMeasureCentroid.
         """

tests/test_NaiveCentroid.py

@@ -38,11 +38,6 @@ def setUp(self):
         self.dataset = lsst.meas.base.tests.TestDataset(self.bbox)
         self.dataset.addSource(100000.0, self.center)
 
-    def tearDown(self):
-        del self.center
-        del self.bbox
-        del self.dataset
-
     def testSingleFramePlugin(self):
         # import os; print(os.getpid()); import ipdb; ipdb.set_trace();
         with self.assertWarnsRegex(FutureWarning, "Plugin 'NaiveCentroid' is deprecated"):

tests/test_centroid.py

@@ -30,31 +30,14 @@
 import lsst.utils.tests as utilsTests
 import lsst.afw.detection as afwDetection
 
-try:
-    type(verbose)
-except NameError:
-    display = False
-    verbose = 0
-
 
 class CentroidTestCase(utilsTests.TestCase):
     """A test case for centroiding.
     """
 
-    def setUp(self):
-        pass
-
-    def tearDown(self):
-        pass
-
-    def testCleanup(self):
-        """Test that tearDown does"""
-        pass
-
     def do_testAstrometry(self, alg, bkgd, control):
         """Test that we can instantiate and play with a centroiding algorithm.
         """
-
         schema = afwTable.SourceTable.makeMinimalSchema()
         schema.getAliasMap().set("slot_Centroid", "test")
         centroider = alg(control, "test", schema)
@@ -154,9 +137,6 @@ def setUp(self):
                 im[int(self.xcen) + i, int(self.ycen) + j, afwImage.LOCAL] = \
                     self.I0*(1 - 0.5*math.hypot(i - 0.5, j))
 
-    def tearDown(self):
-        del self.exp
-
     def testCentroider(self):
         """Measure the centroid.
         """