Coverage for python/lsst/geom/testUtils.py : 19%

Hot-keys on this page
r m x p toggle line displays
j k next/prev highlighted chunk
0 (zero) top of page
1 (one) first highlighted chunk
# # Developed for the LSST Data Management System. # This product includes software developed by the LSST Project # (https://www.lsst.org). # See the COPYRIGHT file at the top-level directory of this distribution # for details of code ownership. # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <https://www.gnu.org/licenses/>. #
lsst.geom is used
In the case of the assert functions, importing them makes them available in lsst.utils.tests.TestCase """
"""Format extra error message, if any """ if msg: return ": " + msg return ""
ignoreWrap=True, msg="Angles differ"): r"""Assert that two `~lsst.geom.Angle`\ s are almost equal, ignoring wrap differences by default.
If both arguments are NaN the assert will pass. If one of the arguments is NaN but the other is not the assert will fail.
Parameters ---------- testCase : `unittest.TestCase` test case the test is part of; an object supporting one method: fail(self, msgStr) ang0 : `lsst.geom.Angle` angle 0 ang1 : `lsst.geom.Angle` angle 1 maxDiff : `lsst.geom.Angle` maximum difference between the two angles ignoreWrap : `bool` ignore wrap when comparing the angles? - if True then wrap is ignored, e.g. 0 and 360 degrees are considered equal - if False then wrap matters, e.g. 0 and 360 degrees are considered different msg : `str` exception message prefix; details of the error are appended after ": "
Raises ------ AssertionError Raised if the difference is greater than ``maxDiff`` """ isNan0 = math.isnan(ang0.asRadians()) isNan1 = math.isnan(ang1.asRadians()) if isNan0 and isNan1: return if isNan0: testCase.fail("ang0 is NaN") if isNan1: testCase.fail("ang1 is NaN") measDiff = ang1 - ang0 if ignoreWrap: measDiff = measDiff.wrapCtr() if abs(measDiff) > maxDiff: testCase.fail("%s: measured difference %s arcsec > max allowed %s arcsec" % (msg, measDiff.asArcseconds(), maxDiff.asArcseconds()))
"""Assert that two Cartesian points are almost equal.
Each point can be any indexable pair of two floats, including Point2D or Extent2D, a list or a tuple.
Parameters ---------- testCase : `unittest.TestCase` test case the test is part of; an object supporting one method: fail(self, msgStr) pair0 : pair of `float` pair 0 pair1 : pair of `floats` pair 1 maxDiff : `float` maximum radial separation between the two points msg : `str` exception message prefix; details of the error are appended after ": "
Raises ------ AssertionError Raised if the radial difference is greater than ``maxDiff``
Notes ----- .. warning::
Does not compare types, just compares values. """ if len(pair0) != 2: raise RuntimeError("len(pair0)=%s != 2" % (len(pair0),)) if len(pair1) != 2: raise RuntimeError("len(pair1)=%s != 2" % (len(pair1),))
pairDiff = [float(pair1[i] - pair0[i]) for i in range(2)] measDiff = math.hypot(*pairDiff) if measDiff > maxDiff: testCase.fail("%s: measured radial distance = %s > maxDiff = %s, pair0=(%r, %r), pair1=(%r, %r)" % (msg, measDiff, maxDiff, pair0[0], pair0[1], pair1[0], pair1[1]))
"""Assert that two lists of Cartesian points are almost equal
Each point can be any indexable pair of two floats, including Point2D or Extent2D, a list or a tuple.
Parameters ---------- testCase : `unittest.TestCase` test case the test is part of; an object supporting one method: fail(self, msgStr) list0 : `list` of pairs of `float` list of pairs 0 list1 : `list` of pairs of `float` list of pairs 1 maxDiff : `float` maximum radial separation between the two points msg : `str` additional information for the error message; appended after ": "
Raises ------ AssertionError Raised if the radial difference is greater than ``maxDiff``
Notes ----- .. warning::
Does not compare types, just values. """ testCase.assertEqual(len(list0), len(list1)) lenList1 = np.array([len(val) for val in list0]) lenList2 = np.array([len(val) for val in list1]) testCase.assertTrue(np.all(lenList1 == 2)) testCase.assertTrue(np.all(lenList2 == 2))
diffArr = np.array([(val0[0] - val1[0], val0[1] - val1[1]) for val0, val1 in zip(list0, list1)], dtype=float) sepArr = np.hypot(diffArr[:, 0], diffArr[:, 1]) badArr = sepArr > maxDiff if np.any(badArr): maxInd = np.argmax(sepArr) testCase.fail("PairLists differ in %s places; max separation is at %s: %s > %s%s" % (np.sum(badArr), maxInd, sepArr[maxInd], maxDiff, extraMsg(msg)))
r"""Assert that two `~lsst.geom.SpherePoint`\ s are almost equal
Parameters ---------- testCase : `unittest.TestCase` test case the test is part of; an object supporting one method: fail(self, msgStr) sp0 : `lsst.geom.SpherePoint` SpherePoint 0 sp1 : `lsst.geom.SpherePoint` SpherePoint 1 maxSep : `lsst.geom.Angle` maximum separation msg : `str` extra information to be printed with any error message
Raises ------ AssertionError The SpherePoints are not equal. """ if sp0.separation(sp1) > maxSep: testCase.fail("Angular separation between %s and %s = %s\" > maxSep = %s\"%s" % (sp0, sp1, sp0.separation(sp1).asArcseconds(), maxSep.asArcseconds(), extraMsg(msg)))
r"""Assert that two lists of `~lsst.geom.SpherePoint`\ s are almost equal
Parameters ---------- testCase : `unittest.TestCase` test case the test is part of; an object supporting one method: fail(self, msgStr) splist0 : `list` of `lsst.geom.SpherePoint` list of SpherePoints 0 splist1 : `list` of `lsst.geom.SpherePoint` list of SpherePoints 1 maxSep : `lsst.geom.Angle` maximum separation msg : `str` exception message prefix; details of the error are appended after ": "
Raises ------ AssertionError The SpherePoint lists are not equal. """ testCase.assertEqual(len(splist0), len(splist1), msg=msg) sepArr = np.array([sp0.separation(sp1) for sp0, sp1 in zip(splist0, splist1)]) badArr = sepArr > maxSep if np.any(badArr): maxInd = np.argmax(sepArr) testCase.fail("SpherePointLists differ in %s places; max separation is at %s: %s\" > %s\"%s" % (np.sum(badArr), maxInd, sepArr[maxInd].asArcseconds(), maxSep.asArcseconds(), extraMsg(msg)))
"""Assert that two boxes (`~lsst.geom.Box2D` or `~lsst.geom.Box2I`) are almost equal
Parameters ---------- testCase : `unittest.TestCase` test case the test is part of; an object supporting one method: fail(self, msgStr) box0 : `lsst.geom.Box2D` or `lsst.geom.Box2I` box 0 box1 : `lsst.geom.Box2D` or `lsst.geom.Box2I` box 1 maxDiff : `float` maximum radial separation between the min points and max points msg : `str` exception message prefix; details of the error are appended after ": "
Raises ------ AssertionError Raised if the radial difference of the min points or max points is greater than maxDiff
Notes ----- .. warning::
Does not compare types, just compares values. """ assertPairsAlmostEqual(testCase, box0.getMin(), box1.getMin(), maxDiff=maxDiff, msg=msg + ": min") assertPairsAlmostEqual(testCase, box0.getMax(), box1.getMax(), maxDiff=maxDiff, msg=msg + ": max") |