File: test_flowgram_collection.py

package info (click to toggle)
python-cogent 1.5.3-2
  • links: PTS, VCS
  • area: main
  • in suites: jessie, jessie-kfreebsd
  • size: 16,424 kB
  • ctags: 24,343
  • sloc: python: 134,200; makefile: 100; ansic: 17; sh: 10
file content (616 lines) | stat: -rw-r--r-- 37,141 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
__author__ = "Julia Goodrich"
__copyright__ = "Copyright 2007-2012, The Cogent Project"
__credits__ = ["Jens Reeder","Julia Goodrich"]
__license__ = "GPL"
__version__ = "1.5.3"
__maintainer__ = "Julia Goodrich"
__email__ = "julia.goodrich@colorado.edu"
__Status__ = "Development"


from cogent.util.unit_test import TestCase, main
from types import GeneratorType
from numpy import array, transpose
from cogent.core.sequence import Sequence

from cogent.parse.flowgram_collection import FlowgramCollection, flows_from_array,\
     flows_from_generic,flows_from_kv_pairs,flows_from_empty,flows_from_dict,\
     flows_from_sff,assign_sequential_names,flows_from_flowCollection,\
     pick_from_prob_density, seqs_to_flows

from cogent.parse.flowgram import Flowgram
from cogent.core.alignment import SequenceCollection
from tempfile import mktemp
from os import remove

class flowgram_tests(TestCase):
    """Tests of top-level functions."""
    
    def test_flows_from_array(self):
        """flows_from_array should return chars, and successive indices."""
        a = array([[0,1,2],[2,1,0]])    #three 2-char seqs
        obs_a, obs_labels, obs_info = flows_from_array(a)
        #note transposition
        self.assertEqual(obs_a, [array([0,2]), array([1,1]), array([2,0])])
        self.assertEqual(obs_labels, None)
        self.assertEqual(obs_info, None)
        
    def test_flows_from_generic(self):
        """flows_from_flow should initialize from list of flowgram objects"""
        c = Flowgram('0.0 1.1 3.0 1.0', Name='a')
        b = Flowgram('0.5 1.0 4.0 0.0', Name = 'b')
        obs_a, obs_labels, obs_info = flows_from_generic([c,b])
        self.assertEqual(map(str,obs_a), ['0.0\t1.1\t3.0\t1.0',
                                          '0.5\t1.0\t4.0\t0.0'])
        self.assertEqual(obs_labels, ['a','b'])
        self.assertEqual(obs_info, [None,None])

        f = ['0.0 1.1 3.0 1.0','0.5 1.0 4.0 0.0']
        obs_a, obs_labels, obs_info = flows_from_generic(f)
        self.assertEqual(map(str,obs_a), ['0.0 1.1 3.0 1.0',
                                          '0.5 1.0 4.0 0.0'])
        self.assertEqual(obs_labels, [None,None])
        self.assertEqual(obs_info, [None,None])

    def test_flows_from_flowCollection(self):
        """flows_from_flowCollection should init from existing collection"""
        c = FlowgramCollection({'a':'0.0 1.1 3.0 1.0','b':'0.5 1.0 4.0 0.0'})
        obs_a, obs_labels, obs_info = flows_from_flowCollection(c)
        self.assertEqual(map(str,obs_a), ['0.0\t1.1\t3.0\t1.0',
                                          '0.5\t1.0\t4.0\t0.0'])
        self.assertEqual(obs_labels, ['a','b'])
        self.assertEqual(obs_info, [None,None])

    def test_flows_from_kv_pairs(self):
        """seqs_from_kv_pairs should initialize from key-value pairs"""
        c = [['a','0.0 1.1 3.0 1.0'],['b','0.5 1.0 4.0 0.0']]
        obs_a, obs_labels, obs_info = flows_from_kv_pairs(c)
        self.assertEqual(map(str,obs_a), ['0.0 1.1 3.0 1.0','0.5 1.0 4.0 0.0'])
        self.assertEqual(obs_labels, ['a','b'])
        self.assertEqual(obs_info, [None,None])

        c =[['a',Flowgram('0.0 1.1 3.0 1.0')],['b',Flowgram('0.5 1.0 4.0 0.0')]]
        obs_a, obs_labels, obs_info = flows_from_kv_pairs(c)
        self.assertEqual(map(str,obs_a), ['0.0\t1.1\t3.0\t1.0','0.5\t1.0\t4.0\t0.0'])
        self.assertEqual(obs_labels, ['a','b'])
        self.assertEqual(obs_info, [None,None])

    def test_flows_from_empty(self):
        """flowss_from_empty should always raise ValueError"""
        self.assertRaises(ValueError, flows_from_empty, 'xyz')

    def test_flows_from_dict(self):
        """flows_from_dict should init from dictionary"""
        c = {'a':'0.0 1.1 3.0 1.0','b':'0.5 1.0 4.0 0.0'}
        obs_a, obs_labels, obs_info = flows_from_dict(c)
        self.assertEqual(map(str,obs_a), ['0.0 1.1 3.0 1.0','0.5 1.0 4.0 0.0'])
        self.assertEqual(obs_labels, ['a','b'])
        self.assertEqual(obs_info, [None,None])

        c ={'a':Flowgram('0.0 1.1 3.0 1.0'),'b':Flowgram('0.5 1.0 4.0 0.0')}
        obs_a, obs_labels, obs_info = flows_from_dict(c)
        self.assertEqual(map(str,obs_a), ['0.0\t1.1\t3.0\t1.0','0.5\t1.0\t4.0\t0.0'])
        self.assertEqual(obs_labels, ['a','b'])
        self.assertEqual(obs_info, [None,None])
        
    def test_pick_from_prob_density(self):
        """Should take bin probabilitys and bin size and return random"""
        i = pick_from_prob_density([0,1.0,0,0],1)
        self.assertEqual(i,1)

        i = pick_from_prob_density([1.0,0,0,0],.01)
        self.assertEqual(i,0.0)

    def test_seqs_to_flows(self):
        """seqs_to_flows should take a list of seqs and probs and return """
        seqs = [('a','ATCGT'), ('b','ACCCAG'), ('c','GTAATG')]
        a = SequenceCollection(seqs)

        flows = seqs_to_flows(a.items())
        assert isinstance(flows,FlowgramCollection)
        
        for f,i in zip(flows,['0.0 1.0 0.0 0.0 1.0 0.0 1.0 1.0 1.0 0.0 0.0 0.0',
                            '0.0 1.0 3.0 0.0 0.0 1.0 0.0 1.0',
                            '0.0 0.0 0.0 1.0 1.0 2.0 0.0 0.0 1.0 0.0 0.0 1.0']):
            self.assertEqual(f,i)

        probs ={0:[1.0,0,0,0,0],1:[0,1.0,0,0,0],2:[0,0,1.0,0,0],3:[0,0,0,1.0,0]}
        
        flows = seqs_to_flows(a.items(), probs = probs, bin_size = 1.0)
        assert isinstance(flows,FlowgramCollection)
        
        for f,i in zip(flows,['0.0 1.0 0.0 0.0 1.0 0.0 1.0 1.0 1.0 0.0 0.0 0.0',
                            '0.0 1.0 3.0 0.0 0.0 1.0 0.0 1.0',
                            '0.0 0.0 0.0 1.0 1.0 2.0 0.0 0.0 1.0 0.0 0.0 1.0']):
            self.assertEqual(f,i)

            
        
    
class FlowgramCollectionTests(TestCase):
    """Tests sff parser functions"""

    Class = FlowgramCollection
  

    def test_guess_input_type(self):
        """  _guess_input_type should figure out data type correctly"""
        git = self.unordered._guess_input_type
        self.assertEqual(git(self.unordered), 'flowcoll')
        self.assertEqual(git(['0.0 1.1 3.0 1.0','0.5 1.0 4.0 0.0']), 'generic')
        self.assertEqual(git([Flowgram('0.0 1.1 3.0 1.0'),
                              Flowgram('0.5 1.0 4.0 0.0')]), 'generic')
        self.assertEqual(git([[1,2],[4,5]]), 'kv_pairs') #precedence over generic
        self.assertEqual(git([('a',Flowgram('0.0 1.1 3.0 1.0')),
                              ('b',Flowgram('0.5 1.0 4.0 0.0'))]), 'kv_pairs')
        self.assertEqual(git([[1,2,3],[4,5,6]]), 'generic')
        self.assertEqual(git(array([[1,2,3],[4,5,6]])), 'array')
        self.assertEqual(git({'a':'0.0 1.1 3.0 1.0'}), 'dict')
        self.assertEqual(git({'a':Flowgram('0.0 1.1 3.0 1.0')}), 'dict')
        self.assertEqual(git([]), 'empty')
        self.assertEqual(git('Common Header'), 'sff')


    def test_init_pairs(self):
        """FlowgramCollection init from list of (key,val) should work"""
        Flows = [['a','0.0 1.1 3.0 1.0'],['b','0.5 1.0 4.0 0.0']]
        a = self.Class(Flows)
        self.assertEqual(len(a.NamedFlows), 2)
        self.assertEqual(a.NamedFlows['a'], '0.0 1.1 3.0 1.0')
        self.assertEqual(a.NamedFlows['b'], '0.5 1.0 4.0 0.0')
        self.assertEqual(a.Names, ['a','b'])
        self.assertEqual(list(a.flows), ['0.0 1.1 3.0 1.0','0.5 1.0 4.0 0.0'])


    def test_init_aln(self):
        """FlowgramCollection should init from existing Collections"""
        start = self.Class([['a','0.0 1.1 3.0 1.0'],['b','0.5 1.0 4.0 0.0']])
        exp = self.Class([['a','0.0 1.1 3.0 1.0'],['b','0.5 1.0 4.0 0.0']])
        f = self.Class(start)
        self.assertEqual(f, exp)
    test_init_aln.__doc__ = Class.__name__ + test_init_aln.__doc__
 
    def test_init_dict(self):
        """FlowgramCollection init from dict should work as expected"""
        d = {'a':'0.0 1.1 3.0 1.0','b':'0.5 1.0 4.0 0.0'}
        a = self.Class(d)
        self.assertEqual(a, d)
        self.assertEqual(a.NamedFlows.items(), d.items())

    def test_init_name_mapped(self):
        """FlowgramCollection init should allow name mapping function"""
        d = {'a':'0.0 1.1 3.0 1.0','b':'0.5 1.0 4.0 0.0'}
        f = lambda x: x.upper()
        a = self.Class(d, name_conversion_f=f)
        self.assertNotEqual(a, d)
        self.assertNotEqual(a.NamedFlows.items(), d.items())
        d_upper = {'A':'0.0 1.1 3.0 1.0','B':'0.5 1.0 4.0 0.0'}
        self.assertEqual(a, d_upper)
        self.assertEqual(a.NamedFlows.items(), d_upper.items())
        

    def test_init_flow(self):
        """FlowgramCollection init from list of flowgrams should use indices
        as keys"""
        f1 = Flowgram('0.0 1.1 3.0 1.0')
        f2 = Flowgram('0.5 1.0 4.0 0.0')
        flows = [f1,f2]
        a = self.Class(flows)
        self.assertEqual(len(a.NamedFlows), 2)
        self.assertEqual(a.NamedFlows['seq_0'], '0.0 1.1 3.0 1.0')
        self.assertEqual(a.NamedFlows['seq_1'], '0.5 1.0 4.0 0.0')
        self.assertEqual(a.Names, ['seq_0','seq_1'])
        self.assertEqual(list(a.Flows), ['0.0 1.1 3.0 1.0','0.5 1.0 4.0 0.0'])


    def test_flows_from_sff(self):
        """flow_from_sff should init from sff iterator"""
        s = self.rec
        f = self.Class(s)
        self.assertEqual(f.NamedFlows['FIQU8OX05GCVRO'], self.flow)


    def test_init_duplicate_keys(self):
        """FlowgramCollection init from kv pairs should fail on dup. keys"""
        f = [['a','0.0 1.1 3.0 1.0'],['b','0.5 1.0 4.0 0.0'],
             ['b','1.5 2.0 0.0 0.5']]
        self.assertRaises(ValueError, self.Class, f)
        self.assertEqual(self.Class(f, remove_duplicate_names=True).Names,
                         ['a','b'])

    def test_init_ordered(self):
        """FlowgramCollection should iter over flows correctly, ordered too"""
        first = self.ordered1
        sec = self.ordered2
        un = self.unordered

        self.assertEqual(first.Names, ['a','b'])
        self.assertEqual(sec.Names, ['b', 'a'])
        self.assertEqual(un.Names, un.NamedFlows.keys())

        first_list = list(first.flow_str)
        sec_list = list(sec.flow_str)
        un_list = list(un.flow_str)

        self.assertEqual(first_list, ['0.0 1.1 3.0 1.0','0.5 1.0 4.0 0.0'])
        self.assertEqual(sec_list, ['0.5 1.0 4.0 0.0', '0.0 1.1 3.0 1.0'])
    
        #check that the unordered seq matches one of the lists
        self.assertTrue((un_list == first_list) or (un_list == sec_list))
        self.assertNotEqual(first_list, sec_list)
        
    def test_flow_str(self):
        """FlowgramCollection flow_str prop returns flows in correct order."""
        first = self.ordered1
        sec = self.ordered2
        un = self.unordered

        first_list = list(first.flow_str)
        sec_list = list(sec.flow_str)
        un_list = list(un.flow_str)

        self.assertEqual(first_list, ['0.0 1.1 3.0 1.0','0.5 1.0 4.0 0.0'])
        self.assertEqual(sec_list, ['0.5 1.0 4.0 0.0', '0.0 1.1 3.0 1.0'])
    
        #check that the unordered seq matches one of the lists
        self.assertTrue((un_list == first_list) or (un_list == sec_list))
        self.assertNotEqual(first_list, sec_list)

    def test_iter(self):
        """FlowgramCollection __iter__ method should yield flows inorder"""
        f = self.Class(['0.0 1.1 3.0 1.0','0.5 1.0 4.0 0.0','1.5 0.0 2.0 1.0'], \
            Names=['a','b','c'])

        for i,b in zip(f,['0.0 1.1 3.0 1.0','0.5 1.0 4.0 0.0',
                          '1.5 0.0 2.0 1.0']):
            self.assertEqual(i,b)

    def test_str(self):
        """FlowgramCollection __str__ should return sff format"""
        a = [Flowgram('0.5 1.0 4.0 0.0 1.5 0.0 0.0 2.0', Name='a',
                      header_info = {'Bases':'TACCCCTTGG','Name Length':'14'}),
             Flowgram('1.5 1.0 0.0 0.0 2.5 1.0 2.0 1.0', Name = 'b',
              header_info = {'Bases':'TTATTTACCG','Name Length':'14'})]
        f = FlowgramCollection(a, header_info = {'Flow Chars':'TACG'})
        
        self.assertEqual(str(f), """Common Header:\n  Flow Chars:\tTACG\n\n>a\n  Name Length:\t14\nBases:\tTACCCCTTGG\nFlowgram:\t0.5\t1.0\t4.0\t0.0\t1.5\t0.0\t0.0\t2.0\n\n>b\n  Name Length:\t14\nBases:\tTTATTTACCG\nFlowgram:\t1.5\t1.0\t0.0\t0.0\t2.5\t1.0\t2.0\t1.0\n""")        

    def test_len(self):
        """len(FlowgramCollection) returns length of longest sequence"""
        a = [('a','0.5 1.0 4.0 0.0 1.5 0.0 0.0 2.0'),
             ('b','1.5 1.0 0.0 0.0 2.5 1.0 2.0 1.0'),
             ('c','2.5 0.0 4.0 0.0 0.5 1.0 0.0 1.0')]
        f = FlowgramCollection(a)
        self.assertEqual(len(f), 3)


    def test_writeToFile(self):
        """FlowgramCollection.writeToFile should write in correct format"""
        a = [Flowgram('0.5 1.0 4.0 0.0 1.5 0.0 0.0 2.0', Name='a',
                      header_info = {'Bases':'TACCCCTTGG','Name Length':'14'}),
             Flowgram('1.5 1.0 0.0 0.0 2.5 1.0 2.0 1.0', Name = 'b',
              header_info = {'Bases':'TTATTTACCG','Name Length':'14'})]
        f = FlowgramCollection(a, header_info = {'Flow Chars':'TACG'})
        fn = mktemp(suffix='.sff')
        f.writeToFile(fn)
        result = open(fn, 'U').read()
        self.assertEqual(result, """Common Header:\n  Flow Chars:\tTACG\n\n>a\n  Name Length:\t14\nBases:\tTACCCCTTGG\nFlowgram:\t0.5\t1.0\t4.0\t0.0\t1.5\t0.0\t0.0\t2.0\n\n>b\n  Name Length:\t14\nBases:\tTTATTTACCG\nFlowgram:\t1.5\t1.0\t0.0\t0.0\t2.5\t1.0\t2.0\t1.0\n""")
        remove(fn)

    def test_createCommonHeader(self):
        """create_commor_header should return lines for sff common header"""
        a = [Flowgram('0.5 1.0 4.0 0.0 1.5 0.0 0.0 2.0', Name='a',
                      header_info = {'Bases':'TACCCCTTGG','Name Length':'14'}),
             Flowgram('1.5 1.0 0.0 0.0 2.5 1.0 2.0 1.0', Name = 'b',
              header_info = {'Bases':'TTATTTACCG','Name Length':'14'})]
        f = FlowgramCollection(a, header_info = {'Flow Chars':'TACG'})

        self.assertEqual('\n'.join(f.createCommonHeader()),
                         """Common Header:\n  Flow Chars:\tTACG""")
    def test_toFasta(self):
        """FlowgramCollection should return correct FASTA string"""
        f = self.Class( [  '0.5 1.0 4.0 0.0 1.5 0.0 0.0 2.0',
                                     '1.5 1.0 0.0 0.0 2.5 1.0 2.0 1.0',
                                     '2.5 0.0 4.0 0.0 0.5 1.0 0.0 1.0',
                                     '0.0 1.0 0.0 3.0 1.5 1.0 1.0 2.0'                                  
                                     ], header_info = {'Flow Chars':'TACG'})
        self.assertEqual(f.toFasta(), '>seq_0\nTACCCCTTGG\n>seq_1\nTTATTTACCG\n>seq_2\nTTTCCCCTAG\n>seq_3\nAGGGTTACGG')

        #NOTE THE FOLLOWING SURPRISING BEHAVIOR BECAUSE OF THE TWO-ITEM
        #SEQUENCE RULE:
        aln = self.Class(['0.5 1.0 0.0 0.0','0.0 1.0 1.0 0.0'],
                         header_info = {'Flow Chars':'TACG'})
        self.assertEqual(aln.toFasta(), '>A\nC\n>T\nA')
        
    def test_toPhylip(self):
        """FlowgramCollection should return PHYLIP string format correctly"""
        f = self.Class( [  '0.5 1.0 4.0 0.0 1.5 0.0 0.0 2.0',
                                     '1.5 1.0 0.0 0.0 2.5 1.0 2.0 1.0',
                                     '2.5 0.0 4.0 0.0 0.5 1.0 0.0 1.0',
                                     '0.0 1.0 0.0 3.0 1.5 1.0 1.0 2.0'                                  
                                     ], header_info = {'Flow Chars':'TACG'})

        phylip_str, id_map =  f.toPhylip()

        self.assertEqual(phylip_str, """4 10\nseq0000001 TACCCCTTGG\nseq0000002 TTATTTACCG\nseq0000003 TTTCCCCTAG\nseq0000004 AGGGTTACGG""")
        self.assertEqual(id_map, {'seq0000004':'seq_3', 'seq0000001':'seq_0', \
            'seq0000003': 'seq_2', 'seq0000002': 'seq_1'})


    def test_toNexus(self):
        """FlowgramCollection should return correct Nexus string format"""
        f = self.Class( [  '0.5 1.0 4.0 0.0 1.5 0.0 0.0 2.0',
                                     '1.5 1.0 0.0 0.0 2.5 1.0 2.0 1.0',
                                     '2.5 0.0 4.0 0.0 0.5 1.0 0.0 1.0',
                                     '0.0 1.0 0.0 3.0 1.5 1.0 1.0 2.0'                                  
                                     ], header_info = {'Flow Chars':'TACG'})

        expect = '#NEXUS\n\nbegin data;\n    dimensions ntax=4 nchar=10;\n'+\
        '    format datatype=dna interleave=yes missing=? gap=-;\n'+\
        '    matrix\n    seq_1    TTATTTACCG\n    seq_0'+\
        '    TACCCCTTGG\n    seq_3    AGGGTTACGG\n   '+\
        ' seq_2    TTTCCCCTAG\n\n    ;\nend;'
        self.assertEqual(f.toNexus('dna'), expect)


    def test_toSequenceCollection(self):
        """toSequenceCollection should return sequence collection from flows"""
        f = self.Class( [  '0.5 1.0 4.0 0.0 1.5 0.0 0.0 2.0',
                                     '1.5 1.0 0.0 0.0 2.5 1.0 2.0 1.0',
                                     '2.5 0.0 4.0 0.0 0.5 1.0 0.0 1.0',
                                     '0.0 1.0 0.0 3.0 1.5 1.0 1.0 2.0'                                  
                                     ], header_info = {'Flow Chars':'TACG'})
        s = f.toSequenceCollection()
        assert isinstance(s,SequenceCollection)
        for i,j in zip(s.iterSeqs(),['TACCCCTTGG','TTATTTACCG','TTTCCCCTAG',
                                   'AGGGTTACGG']):
            self.assertEqual(i,j)
            
        a = [Flowgram('0.5 1.0 4.0 0.0 1.5 0.0 0.0 2.0', Name='a',
                      header_info = {'Bases':'TACTTGG','Name Length':'14'}),
             Flowgram('1.5 1.0 0.0 0.0 2.5 1.0 2.0 1.0', Name = 'b',
              header_info = {'Bases':'TTATTTG','Name Length':'14'})]

        f = self.Class(a)
        s = f.toSequenceCollection(Bases = True)
        assert isinstance(s,SequenceCollection)
        for i,j in zip(s.iterSeqs(),['TACTTGG','TTATTTG']):
            self.assertEqual(i,j)

    def test_addFlows(self):
        """addFlows should return an alignment with the new sequences appended"""
        a = [('s4', '0.5 1.0 4.0 0.0 1.5 0.0 0.0 2.0'),
             ('s3', '1.5 1.0 0.0 0.0 2.5 1.0 2.0 1.0')]
        b = [('s1','2.5 0.0 4.0 0.0 0.5 1.0 0.0 1.0'),
             ('s2', '0.0 1.0 0.0 3.0 1.5 1.0 1.0 2.0')]
        f1 = self.Class(a, header_info = {'Flow Chars':'TACG'})
        f2 = self.Class(b, header_info = {'Flow Chars':'TACG'})
        self.assertEqual(f1.addFlows(f2).toFasta(),
                self.Class(a+b, header_info = {'Flow Chars':'TACG'}).toFasta())

        
    def test_iterFlows(self):
        """FlowgramCollection iterFlows() method should support reordering"""
        f = self.Class(['0.0 1.1 3.0 1.0','0.5 1.0 4.0 0.0','1.5 0.0 2.0 1.0'], \
            Names=['a','b','c'])
        flows = map(str,list(f.iterFlows()))
        self.assertEqual(flows, ['0.0\t1.1\t3.0\t1.0',
                         '0.5\t1.0\t4.0\t0.0','1.5\t0.0\t2.0\t1.0'])
        flows = list(f.iterFlows(flow_order=['b','a','a']))
        self.assertEqual(map(str,flows), ['0.5\t1.0\t4.0\t0.0',
                                          '0.0\t1.1\t3.0\t1.0',
                                          '0.0\t1.1\t3.0\t1.0'])
        self.assertSameObj(flows[1], flows[2])
        self.assertSameObj(flows[0], f.NamedFlows['b'])

    def test_Items(self):
        """FlowgramCollection Items should iterate over items in specified order."""
        #should work if one row
        self.assertEqual(list(self.one_seq.Items), [0.0, 1.1, 3.0, 1.0])
        #should take order into account
        self.assertEqual(list(self.ordered1.Items),
                         [0.0, 1.1, 3.0, 1.0] + [0.5, 1.0, 4.0, 0.0])
        self.assertEqual(list(self.ordered2.Items),
                         [0.5, 1.0, 4.0, 0.0] + [0.0, 1.1, 3.0, 1.0])

    def test_takeFlows(self):
        """takeFlows should return new FlowgramCollection with selected seqs."""
        f = self.Class(['0.0 1.1 3.0 1.0','0.5 1.0 4.0 0.0','1.5 0.0 2.0 1.0'], \
            Names=['a','b','c'])
        a = f.takeFlows('bc')
        self.assertTrue(isinstance(a, FlowgramCollection))
        self.assertEqual(a, {'b':'0.5 1.0 4.0 0.0','c':'1.5 0.0 2.0 1.0'})
        #should be able to negate
        a = f.takeFlows('bc', negate=True)
        self.assertEqual(a, {'a':'0.0 1.1 3.0 1.0'})


    def test_getFlowIndices(self):
        """FlowgramCollection getSeqIndices should return names of seqs where f(row) is True"""
        f = self.ambiguous
        is_long = lambda x: len(x) > 10
        is_med = lambda x: len(str(x).replace('N','')) > 7 #strips gaps
        is_any = lambda x: len(x) > 0
        self.assertEqual(f.getFlowIndices(is_long,Bases = True), [])
        f.Names = 'cba'
        self.assertEqual(f.getFlowIndices(is_med,Bases = True), ['c','a'])
        f.Names = 'bac'
        self.assertEqual(f.getFlowIndices(is_med,Bases = True), ['a','c'])
        self.assertEqual(f.getFlowIndices(is_any,Bases = True), ['b','a','c'])
        #should be able to negate
        self.assertEqual(f.getFlowIndices(is_med,Bases = True, negate=True),
                         ['b'])
        self.assertEqual(f.getFlowIndices(is_any, Bases = True,negate=True), [])
        

    def test_takeFlowsIf(self):
        """FlowgramCollection takeFlowsIf should return flows where f(row) is True"""
        is_long = lambda x: len(x) > 10
        is_med = lambda x: len(str(x).replace('N','')) > 7
        is_any = lambda x: len(x) > 0
        
        f = self.ambiguous
        self.assertEqual(f.takeFlowsIf(is_long, Bases = True), {})
        self.assertEqual(f.takeFlowsIf(is_med, Bases = True), \
            {'a':'0.5 1.0 4.0 0.0 1.5 0.0 0.0 2.0',
            'c':'1.5 1.0 2.0 0.0 1.5 0.0 0.0 2.0'})
        self.assertEqual(f.takeFlowsIf(is_any, Bases = True), f)
        self.assertTrue(isinstance(f.takeFlowsIf(is_med, Bases = True),
                                   FlowgramCollection))
        #should be able to negate
        self.assertEqual(f.takeFlowsIf(is_med,  Bases = True,negate=True), \
            {'b':'0.0 0.0 0.0 0.0 2.0 1.0 2.0 2.0'})

    def test_getFlow(self):
        """FlowgramCollection.getFlow should return specified flow"""
        a = [('a','0.5 1.0 4.0 0.0 1.5 0.0 0.0 2.0'),
             ('b','1.5 1.0 0.0 0.0 2.5 1.0 2.0 1.0'),
             ('c','2.5 0.0 4.0 0.0 0.5 1.0 0.0 1.0')]
        f = FlowgramCollection(a)
        self.assertEqual(f.getFlow('a'), '0.5 1.0 4.0 0.0 1.5 0.0 0.0 2.0')
        self.assertRaises(KeyError, f.getFlow, 'd')


    def test_getIntMap(self):
        """FlowgramCollection.getIntMap should return correct mapping."""
        f = self.Class({'seq1':'0.5 1.0 2.0 0.0',
                          'seq2':'1.5 0.0 0.0 2.0','seq3':'0.0 3.0 0.1 1.0'})
        int_keys = {'seq_0':'seq1','seq_1':'seq2','seq_2':'seq3'}
        int_map = {'seq_0':'0.5 1.0 2.0 0.0','seq_1':'1.5 0.0 0.0 2.0',
                   'seq_2':'0.0 3.0 0.1 1.0'}
        im,ik = f.getIntMap()
        self.assertEqual(ik,int_keys)
        self.assertEqual(im,int_map)
        #test change prefix from default 'seq_'
        prefix='seqn_'
        int_keys = {'seqn_0':'seq1','seqn_1':'seq2','seqn_2':'seq3'}
        int_map = {'seqn_0':'0.5 1.0 2.0 0.0','seqn_1':'1.5 0.0 0.0 2.0',
                   'seqn_2':'0.0 3.0 0.1 1.0'}
        im,ik = f.getIntMap(prefix=prefix)
        self.assertEqual(ik,int_keys)
        self.assertEqual(im,int_map)


    def test_toDict(self):
        """FlowgramCollection.toDict should return dict of strings (not obj)"""
        f = self.Class({'a': '0.5 1.0 4.0 0.0 1.5 0.0 0.0 2.0'
                          , 'b': '1.5 1.0 0.0 0.0 2.5 1.0 2.0 1.0'})
        self.assertEqual(f.toDict(), {'a':'0.5 1.0 4.0 0.0 1.5 0.0 0.0 2.0'
                                      ,'b':'1.5 1.0 0.0 0.0 2.5 1.0 2.0 1.0'})
        for i in f.toDict().values():
            assert isinstance(i, str)
            
    def test_omitAmbiguousFlows(self):
        """FlowgramCollection omitAmbiguousFlows should return flows w/o N's"""
        
        self.assertEqual(self.ambiguous.omitAmbiguousFlows(Bases=True),
                         {'a':'0.5 1.0 4.0 0.0 1.5 0.0 0.0 2.0',
                          'c':'1.5 1.0 2.0 0.0 1.5 0.0 0.0 2.0'})

        self.assertEqual(self.ambiguous.omitAmbiguousFlows(Bases=False),
                         {'a':'0.5 1.0 4.0 0.0 1.5 0.0 0.0 2.0',
                          'c':'1.5 1.0 2.0 0.0 1.5 0.0 0.0 2.0'})

        #check new object creation
        self.assertNotSameObj(self.ambiguous.omitAmbiguousFlows(),
                              self.ambiguous)
        self.assertTrue(isinstance(self.ambiguous.omitAmbiguousFlows(
                        Bases = True), FlowgramCollection))

    def test_setBases(self):
        """FlowgramCollection setBases should set Bases property correctly"""
        f = self.Class([Flowgram('0.5 1.0 4.0 0.0 1.5 0.0 0.0 2.0', Name='a',
                                 header_info = {'Bases':'TACCCCTTGG'}),
                        Flowgram('0.0 1.0 0.0 0.0 2.0 1.0 2.0 2.0', Name='b',
                                 header_info = {'Bases':'ATTACCGG'}),
                        Flowgram('1.5 1.0 2.0 0.0 1.5 0.0 0.0 2.0', Name='c',
                                 header_info = {'Bases':'TTACCTTGG'})],
                       header_info = {'Flow Chars':'TACG'})

        f.setBases()

        for i,b in zip(f,['TACCCCTTGG','ATTACCGG','TTACCTTGG']):
            self.assertEqual(i.Bases,b)
    
    def setUp(self):
        """Define some standard data"""
        self.rec = """Common Header:
  Magic Number:  0x2E736666
  Version:       0001
  Index Offset:  96099976
  Index Length:  1158685
  # of Reads:    57902
  Header Length: 440
  Key Length:    4
  # of Flows:    400
  Flowgram Code: 1
  Flow Chars:    TACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACGTACG
  Key Sequence:  TCAG

>FIQU8OX05GCVRO
  Run Prefix:   R_2008_10_15_16_11_02_
  Region #:     5
  XY Location:  2489_3906

  Run Name:       R_2008_10_15_16_11_02_FLX04070166_adminrig_1548jinnescurtisstanford
  Analysis Name:  /data/2008_10_15/R_2008_10_15_16_11_02_FLX04070166_adminrig_1548jinnescurtisstanford/D_2008_10_15_15_12_26_FLX04070166_1548jinnescurtisstanford_FullAnalysis
  Full Path:      /data/2008_10_15/R_2008_10_15_16_11_02_FLX04070166_adminrig_1548jinnescurtisstanford/D_2008_10_15_15_12_26_FLX04070166_1548jinnescurtisstanford_FullAnalysis

  Read Header Len:  32
  Name Length:      14
  # of Bases:       104
  Clip Qual Left:   5
  Clip Qual Right:  85
  Clip Adap Left:   0
  Clip Adap Right:  0

Flowgram:	1.06	0.08	1.04	0.08	0.05	0.94	0.10	2.01	0.10	0.07	0.96	0.09	1.04	1.96	1.07	0.10	1.01	0.13	0.08	1.01	1.06	1.83	2.89	0.18	0.96	0.13	0.99	0.11	1.94	0.12	0.13	1.92	0.21	0.07	0.94	0.17	0.03	0.97	2.76	0.15	0.05	1.02	1.14	0.10	0.98	2.54	1.13	0.96	0.15	0.21	1.90	0.16	0.07	1.78	0.22	0.07	0.93	0.22	0.97	0.08	2.02	0.15	0.19	1.02	0.19	0.09	1.02	0.17	0.99	0.09	0.18	1.84	0.16	0.91	0.10	1.10	1.00	0.20	0.09	1.11	3.01	1.07	1.98	0.14	0.22	1.09	0.17	1.99	0.15	0.20	0.92	0.17	0.07	1.01	2.96	0.15	0.07	1.06	0.20	1.00	0.10	0.12	1.00	0.15	0.08	1.90	0.19	0.10	0.99	0.18	0.09	0.99	1.08	0.15	0.07	1.06	0.14	1.84	0.13	0.11	0.95	1.05	0.13	1.04	1.10	0.18	0.94	0.14	0.10	0.97	1.08	0.12	1.08	0.18	0.08	1.00	0.13	0.98	0.15	0.87	0.13	0.19	1.01	3.06	0.17	0.11	1.04	0.09	1.03	0.10	0.11	2.02	0.16	0.11	1.04	0.04	0.09	1.87	0.13	2.09	0.13	0.10	0.97	0.17	0.08	0.08	0.04	0.12	0.05	0.08	0.07	0.08	0.05	0.07	0.06	0.07	0.03	0.05	0.04	0.09	0.04	0.07	0.04	0.07	0.06	0.03	0.06	0.06	0.06	0.06	0.07	0.09	0.04	0.05	0.08	0.05	0.04	0.09	0.06	0.03	0.02	0.08	0.04	0.06	0.05	0.08	0.03	0.08	0.05	0.05	0.05	0.10	0.05	0.05	0.07	0.06	0.04	0.06	0.05	0.03	0.04	0.05	0.06	0.04	0.04	0.07	0.04	0.04	0.05	0.05	0.04	0.07	0.06	0.05	0.03	0.08	0.05	0.06	0.04	0.06	0.05	0.04	0.04	0.04	0.05	0.06	0.04	0.05	0.04	0.05	0.05	0.06	0.05	0.06	0.04	0.06	0.07	0.06	0.05	0.05	0.05	0.06	0.06	0.04	0.05	0.06	0.03	0.06	0.04	0.06	0.05	0.03	0.06	0.06	0.05	0.06	0.04	0.03	0.06	0.06	0.06	0.03	0.04	0.05	0.05	0.07	0.04	0.05	0.06	0.07	0.07	0.05	0.07	0.06	0.05	0.06	0.05	0.07	0.06	0.05	0.06	0.07	0.05	0.06	0.04	0.06	0.05	0.05	0.06	0.04	0.06	0.04	0.03	0.06	0.05	0.05	0.04	0.05	0.05	0.04	0.04	0.05	0.06	0.06	0.04	0.04	0.05	0.06	0.04	0.04	0.04	0.05	0.05	0.04	0.05	0.05	0.03	0.06	0.06	0.06	0.04	0.07	0.05	0.05	0.04	0.06	0.06	0.05	0.05	0.07	0.04	0.06	0.06	0.06	0.04	0.06	0.03	0.06	0.04	0.06	0.04	0.09	0.05	0.05	0.05	0.07	0.06	0.05	0.05	0.06	0.05	0.05	0.05	0.04	0.04	0.06	0.05	0.05	0.05	0.05	0.04	0.05	0.05	0.06	0.04	0.05	0.05	0.05	0.05	0.05	0.04	0.06	0.04	0.05	0.05	0.04	0.05	0.05	0.05	0.04
Flow Indexes:	1	3	6	8	8	11	13	14	14	15	17	20	21	22	22	23	23	23	25	27	29	29	32	32	35	38	39	39	39	42	43	45	46	46	46	47	48	51	51	54	54	57	59	61	61	64	67	69	72	72	74	76	77	80	81	81	81	82	83	83	86	88	88	91	94	95	95	95	98	100	103	106	106	109	112	113	116	118	118	121	122	124	125	127	130	131	133	136	138	140	143	144	144	144	147	149	152	152	155	158	158	160	160	163
Bases:	tcagGCTAACTGTAACCCTCTTGGCACCCACTAAACGCCAATCTTGCTGGAGTGTTTACCAGGCACCCAGCAATGTGAATAGTCActgagcgggctggcaaggc
Quality Scores:	37	37	37	37	37	37	37	37	37	37	37	37	37	40	40	40	40	37	37	37	37	37	39	39	39	39	24	24	24	37	34	28	24	24	24	28	34	39	39	39	39	39	39	39	39	39	39	39	39	40	40	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37

>FIQU8OX05F8ILF
  Run Prefix:   R_2008_10_15_16_11_02_
  Region #:     5
  XY Location:  2440_0913

  Run Name:       R_2008_10_15_16_11_02_FLX04070166_adminrig_1548jinnescurtisstanford
  Analysis Name:  /data/2008_10_15/R_2008_10_15_16_11_02_FLX04070166_adminrig_1548jinnescurtisstanford/D_2008_10_15_15_12_26_FLX04070166_1548jinnescurtisstanford_FullAnalysis
  Full Path:      /data/2008_10_15/R_2008_10_15_16_11_02_FLX04070166_adminrig_1548jinnescurtisstanford/D_2008_10_15_15_12_26_FLX04070166_1548jinnescurtisstanford_FullAnalysis

  Read Header Len:  32
  Name Length:      14
  # of Bases:       206
  Clip Qual Left:   5
  Clip Qual Right:  187
  Clip Adap Left:   0
  Clip Adap Right:  0

Flowgram:	1.04	0.00	1.01	0.00	0.00	1.00	0.00	1.00	0.00	1.05	0.00	0.91	0.10	1.07	0.95	1.01	0.00	0.06	0.93	0.02	0.03	1.06	1.18	0.09	1.00	0.05	0.90	0.11	0.07	1.99	0.11	0.02	1.96	1.04	0.13	0.01	2.83	0.10	1.97	0.06	0.11	1.04	0.13	0.03	0.98	1.15	0.07	1.00	0.07	0.08	0.98	0.11	1.92	0.05	0.04	2.96	1.02	1.02	0.04	0.93	1.00	0.13	0.04	1.00	1.03	0.08	0.97	0.13	0.11	1.88	0.09	0.05	1.02	1.89	0.07	0.11	0.98	0.05	0.07	1.01	0.08	0.05	1.01	0.13	1.00	0.07	0.10	1.04	0.10	0.04	0.98	0.12	1.03	0.96	0.11	0.07	1.00	0.09	0.03	1.03	0.11	1.95	1.06	0.13	0.05	1.00	0.13	0.11	1.00	0.09	0.03	2.89	0.08	0.95	0.09	1.03	1.02	1.05	1.07	0.08	0.12	2.81	0.08	0.08	1.00	1.07	0.07	0.05	1.86	0.12	0.98	0.06	2.00	0.11	1.02	0.11	0.08	1.88	0.13	1.03	0.13	0.98	0.15	0.11	1.03	1.03	1.04	0.18	0.98	0.13	0.15	1.04	0.11	1.01	0.13	0.06	1.01	0.06	1.02	0.08	0.99	0.14	0.99	0.09	0.05	1.09	0.04	0.07	2.96	0.09	2.03	0.13	2.96	1.13	0.08	1.03	0.07	0.99	0.11	0.05	1.05	1.04	0.09	0.07	1.00	1.03	0.09	0.06	1.06	1.04	2.94	0.18	0.06	0.93	0.10	1.10	0.11	2.02	0.17	1.00	1.03	0.06	0.11	0.96	0.04	3.00	0.11	0.07	1.99	0.10	2.03	0.12	0.97	0.16	0.01	2.09	0.14	1.04	0.16	0.06	1.03	0.14	1.12	0.12	0.05	0.96	1.01	0.10	0.14	0.94	0.03	0.12	1.10	0.92	0.09	1.10	1.04	1.02	0.12	0.97	2.00	0.15	1.08	0.04	1.03	1.04	0.03	0.09	5.16	1.02	0.09	0.13	2.66	0.09	0.05	1.06	0.07	0.89	0.05	0.12	1.10	0.16	0.06	1.01	0.13	1.00	0.14	0.98	0.09	2.92	1.28	0.03	2.95	0.98	0.16	0.08	0.95	0.96	1.09	0.08	1.07	1.01	0.16	0.06	4.52	0.12	1.03	0.07	0.09	1.03	0.14	0.03	1.01	1.99	1.05	0.14	1.03	0.13	0.03	1.10	0.10	0.96	0.11	0.99	0.12	0.05	0.94	2.83	0.14	0.12	0.96	0.00	1.00	0.11	0.14	1.98	0.08	0.11	1.04	0.01	0.11	2.03	0.15	2.05	0.10	0.03	0.93	0.01	0.08	0.12	0.00	0.16	0.05	0.07	0.08	0.11	0.07	0.05	0.04	0.10	0.05	0.05	0.03	0.07	0.03	0.04	0.04	0.06	0.03	0.05	0.04	0.09	0.03	0.08	0.03	0.07	0.02	0.05	0.02	0.06	0.01	0.05	0.04	0.06	0.02	0.04	0.04	0.04	0.03	0.03	0.06	0.06	0.03	0.02	0.02	0.08	0.03	0.01	0.01	0.06	0.03	0.01	0.03	0.04	0.02	0.00	0.02	0.05	0.00	0.02	0.02	0.03	0.00	0.02	0.02	0.04	0.01	0.00	0.01	0.05
Flow Indexes:	1	3	6	8	10	12	14	15	16	19	22	23	25	27	30	30	33	33	34	37	37	37	39	39	42	45	46	48	51	53	53	56	56	56	57	58	60	61	64	65	67	70	70	73	74	74	77	80	83	85	88	91	93	94	97	100	102	102	103	106	109	112	112	112	114	116	117	118	119	122	122	122	125	126	129	129	131	133	133	135	138	138	140	142	145	146	147	149	152	154	157	159	161	163	166	169	169	169	171	171	173	173	173	174	176	178	181	182	185	186	189	190	191	191	191	194	196	198	198	200	201	204	206	206	206	209	209	211	211	213	216	216	218	221	223	226	227	230	233	234	236	237	238	240	241	241	243	245	246	249	249	249	249	249	250	253	253	253	256	258	261	264	266	268	270	270	270	271	273	273	273	274	277	278	279	281	282	285	285	285	285	285	287	290	293	294	294	295	297	300	302	304	307	308	308	308	311	313	316	316	319	322	322	324	324	327
Bases:	tcagAGACGCACTCAATTATTTCCATAGCTTGGGTAGTGTCAATAATGCTGCTATGAACATGGGAGTACAAATATTCTTCAAGATACTGATCTCATTTCCTTTAGATATATACCCAGAAGTGAAATTCCTGGATCACATAGTAGTTCTATTTTTATTTGATGAGAAACTTTATACTATTTTTCATAActgagcgggctggcaaggc
Quality Scores:	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	38	38	38	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	40	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	34	34	34	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	37	36	36	36	36	36	38	25	25	25	38	37	37	37	37	37	37	33	33	34	37	37	37	37	37	37	37	38	34	20	20	26	26	20	34	38	37	37	37	37	37	37	37	37	37	38	38	38	37	37	37	37	37	37	37	37	37	37

""".split('\n')

        self.flow = """1.06	0.08	1.04	0.08	0.05	0.94	0.10	2.01	0.10	0.07	0.96	0.09	1.04	1.96	1.07	0.10	1.01	0.13	0.08	1.01	1.06	1.83	2.89	0.18	0.96	0.13	0.99	0.11	1.94	0.12	0.13	1.92	0.21	0.07	0.94	0.17	0.03	0.97	2.76	0.15	0.05	1.02	1.14	0.10	0.98	2.54	1.13	0.96	0.15	0.21	1.90	0.16	0.07	1.78	0.22	0.07	0.93	0.22	0.97	0.08	2.02	0.15	0.19	1.02	0.19	0.09	1.02	0.17	0.99	0.09	0.18	1.84	0.16	0.91	0.10	1.10	1.00	0.20	0.09	1.11	3.01	1.07	1.98	0.14	0.22	1.09	0.17	1.99	0.15	0.20	0.92	0.17	0.07	1.01	2.96	0.15	0.07	1.06	0.20	1.00	0.10	0.12	1.00	0.15	0.08	1.90	0.19	0.10	0.99	0.18	0.09	0.99	1.08	0.15	0.07	1.06	0.14	1.84	0.13	0.11	0.95	1.05	0.13	1.04	1.10	0.18	0.94	0.14	0.10	0.97	1.08	0.12	1.08	0.18	0.08	1.00	0.13	0.98	0.15	0.87	0.13	0.19	1.01	3.06	0.17	0.11	1.04	0.09	1.03	0.10	0.11	2.02	0.16	0.11	1.04	0.04	0.09	1.87	0.13	2.09	0.13	0.10	0.97	0.17	0.08	0.08	0.04	0.12	0.05	0.08	0.07	0.08	0.05	0.07	0.06	0.07	0.03	0.05	0.04	0.09	0.04	0.07	0.04	0.07	0.06	0.03	0.06	0.06	0.06	0.06	0.07	0.09	0.04	0.05	0.08	0.05	0.04	0.09	0.06	0.03	0.02	0.08	0.04	0.06	0.05	0.08	0.03	0.08	0.05	0.05	0.05	0.10	0.05	0.05	0.07	0.06	0.04	0.06	0.05	0.03	0.04	0.05	0.06	0.04	0.04	0.07	0.04	0.04	0.05	0.05	0.04	0.07	0.06	0.05	0.03	0.08	0.05	0.06	0.04	0.06	0.05	0.04	0.04	0.04	0.05	0.06	0.04	0.05	0.04	0.05	0.05	0.06	0.05	0.06	0.04	0.06	0.07	0.06	0.05	0.05	0.05	0.06	0.06	0.04	0.05	0.06	0.03	0.06	0.04	0.06	0.05	0.03	0.06	0.06	0.05	0.06	0.04	0.03	0.06	0.06	0.06	0.03	0.04	0.05	0.05	0.07	0.04	0.05	0.06	0.07	0.07	0.05	0.07	0.06	0.05	0.06	0.05	0.07	0.06	0.05	0.06	0.07	0.05	0.06	0.04	0.06	0.05	0.05	0.06	0.04	0.06	0.04	0.03	0.06	0.05	0.05	0.04	0.05	0.05	0.04	0.04	0.05	0.06	0.06	0.04	0.04	0.05	0.06	0.04	0.04	0.04	0.05	0.05	0.04	0.05	0.05	0.03	0.06	0.06	0.06	0.04	0.07	0.05	0.05	0.04	0.06	0.06	0.05	0.05	0.07	0.04	0.06	0.06	0.06	0.04	0.06	0.03	0.06	0.04	0.06	0.04	0.09	0.05	0.05	0.05	0.07	0.06	0.05	0.05	0.06	0.05	0.05	0.05	0.04	0.04	0.06	0.05	0.05	0.05	0.05	0.04	0.05	0.05	0.06	0.04	0.05	0.05	0.05	0.05	0.05	0.04	0.06	0.04	0.05	0.05	0.04	0.05	0.05	0.05	0.04"""

        self.unordered = self.Class({'a':'0.0 1.1 3.0 1.0',
                                     'b':'0.5 1.0 4.0 0.0'})
        self.ordered1 = self.Class({'a':'0.0 1.1 3.0 1.0',\
                                    'b':'0.5 1.0 4.0 0.0'}, Names=['a','b'])
        self.ordered2 = self.Class({'a':'0.0 1.1 3.0 1.0',\
                                    'b':'0.5 1.0 4.0 0.0'}, Names=['b','a'])
        self.one_seq = self.Class({'a':'0.0 1.1 3.0 1.0'})

        self.ambiguous = self.Class([Flowgram('0.5 1.0 4.0 0.0 1.5 0.0 0.0 2.0', Name='a',
                                              header_info = {'Bases':'TACCCCTTGG'}),
                                     Flowgram('0.0 0.0 0.0 0.0 2.0 1.0 2.0 2.0', Name = 'b',
                                              header_info = {'Bases':'NTTACCGG'}),
                                     Flowgram('1.5 1.0 2.0 0.0 1.5 0.0 0.0 2.0', Name='c',
                                              header_info = {'Bases':'TTACCTTGG'})],
                                    header_info = {'Flow Chars':'TACG'})
                            
if __name__ == "__main__":
    main()