source: branches/hpc33/test/test_nrofiller.py@ 2429

Last change on this file since 2429 was 1853, checked in by Takeshi Nakazato, 14 years ago

Quite primitive and trivial test for NROFiller.

File size: 1.7 KB
Line 
1import sys
2import os
3import shutil
4import datetime
5from asap import scantable, selector, mask_not
6from asap.logging import asaplog
7asaplog.disable()
8
9from nose.tools import *
10
11def tempdir_setup():
12 os.makedirs("test_temp")
13
14def tempdir_teardown():
15 shutil.rmtree("test_temp", True)
16
17class TestNRO(object):
18 def setup(self):
19 s = scantable('data/B68test.nro', average=False)
20 sel = selector()
21 # make sure this order is always correct - it can be random
22 sel.set_order(["SCANNO", "POLNO"])
23 s.set_selection(sel)
24 self.st = s.copy()
25
26 def test_init(self):
27 assert_equal(self.st.nrow(), 36)
28 assert_equal(self.st.get_fluxunit(), 'K')
29 assert_equal(self.st.nchan(), 2048)
30 assert_equal(self.st.nif(), 4)
31
32 def test_spectrum(self):
33 import numpy
34 sp=numpy.array(self.st._getspectrum(0))
35 assert_equal(sp.max(),1.9524071216583252)
36 assert_equal(sp.min(),-0.0071961274370551109)
37 assert_equal(sp.argmax(),1648)
38 assert_equal(sp.argmin(),1614)
39
40 def test_stats(self):
41 assert_equal(self.st.stats('rms')[0],1.1064267158508301)
42 assert_equal(self.st.stats('stddev')[0],0.29552212357521057)
43 assert_equal(self.st.stats('median')[0],1.0714811086654663)
44 assert_equal(self.st.stats('mean')[0],1.0662506818771362)
45 assert_equal(self.st.stats('sum')[0],2183.681396484375)
46
47 def test_frequency(self):
48 rf=self.st.get_restfreqs()
49 assert_equal(len(rf),2)
50 assert_equal(rf[0][0],85162157000.0)
51 assert_equal(rf[1][0],86754330000.0)
52 self.st.set_unit('GHz')
53 abc=self.st._getabcissa(0)
54 assert_equal(abc[0],85.17337639557438)
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