def test_no_tr_above_1_on_read(self):
"""Check that error is thrown if a transmission greater than 1 is read from the data"""
tmpdata = np.copy(self.testdata)
tmpdata[0,1] = 1.4
self.assertRaises(ValueError, lambda: sedFilter.Filter(tmpdata[:,0], tmpdata[:,1]))
def test_no_negative_tr_on_read(self):
"""Check that error is thrown if a negative transmission is read from the data"""
tmpdata = np.copy(self.testdata)
tmpdata[0,1] = -1.
self.assertRaises(ValueError, lambda: sedFilter.Filter(tmpdata[:,0], tmpdata[:,1]))
def test_resolution_wavelength(self):
"""Check the expected wavelength resolution of the filter is returned"""
s = sedFilter.Filter(self.testdata[:,0], self.testdata[:,1])
nl = s.returnFilterResolution()
self.assertEqual(len(self.testdata[:,0]), nl)
def test_max_wavelength(self):
"""Check the expected maximum wavelength of the filter is returned"""
s = sedFilter.Filter(self.testdata[:,0], self.testdata[:,1])
lmin, lmax = s.returnFilterRange()
self.assertEqual(self.testdata[-1,0], lmax)
def test_eff_lam_reasonable(self):
"""Check effective wavelength lies within wavelength range of filter"""
s = sedFilter.Filter(self.testdata[:,0], self.testdata[:,1])
lamEff = s.getFilterEffectiveWL()
lmin, lmax = s.returnFilterRange()
self.assertTrue(lamEff>lmin and lamEff<lmax)
def test_no_tr_above_1_returned(self):
"""Over huge wavelength domain check no transmissions greater than 1 are returned"""
s = sedFilter.Filter(self.testdata[:,0], self.testdata[:,1])
lamMax = 10000000000000
nlam = 10000
dlam = lamMax/(nlam-1)
for n in xrange(nlam):
self.assertLessEqual(s.getTrans(n*dlam), 1.)
def test_no_neg_trans_returned(self):
"""Over huge wavelength domain check no negative transmissions are returned"""
s = sedFilter.Filter(self.testdata[:,0], self.testdata[:,1])
lamMax = 10000000000000
nlam = 10000
dlam = lamMax/(nlam-1)
for n in xrange(nlam):
self.assertGreaterEqual(s.getTrans(n*dlam), 0.)
def test_neg_wl_response(self):
"""Check that error is thrown if a negative wavelength is given to getTrans method"""
s = sedFilter.Filter(self.testdata[:,0], self.testdata[:,1])
self.assertRaises(ValueError, lambda: s.getTrans(-1.))