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comparisonTest.py
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1664 lines (1329 loc) · 76.3 KB
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# =============================================================================
# comparisonTest.py - Test module for comparison.py
#
# Freely extensible biomedical record linkage (Febrl) Version 0.2.2
# See http://datamining.anu.edu.au/projects/linkage.html
#
# =============================================================================
# AUSTRALIAN NATIONAL UNIVERSITY OPEN SOURCE LICENSE (ANUOS LICENSE)
# VERSION 1.1
#
# The contents of this file are subject to the ANUOS License Version 1.1 (the
# "License"); you may not use this file except in compliance with the License.
# Software distributed under the License is distributed on an "AS IS" basis,
# WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for
# the specific language governing rights and limitations under the License.
# The Original Software is "comparisonTest.py".
# The Initial Developers of the Original Software are Dr Peter Christen
# (Department of Computer Science, Australian National University) and Dr Tim
# Churches (Centre for Epidemiology and Research, New South Wales Department
# of Health). Copyright (C) 2002, 2003 the Australian National University and
# others. All Rights Reserved.
# Contributors:
#
# =============================================================================
"""Module comparisonTest.py - Test module for comparison.py.
TODO:
- PC, 27/11/2002: Tests with frequency tables
"""
# -----------------------------------------------------------------------------
import unittest
import comparison
import mymath
import dataset # Needed for setting up comparison vectors
import lookup
# -----------------------------------------------------------------------------
class TestCase(unittest.TestCase):
# Initialise test case - - - - - - - - - - - - - - - - - - - - - - - - - - -
#
def setUp(self):
self.fields={'givenname':0, 'surname':1, 'postcode':2,'dob':3,'time':4,
'mob':5,'yob':6}
self.dataset = dataset.DataSet({'name':'comparisonTest',
'fields':self.fields,
'access_mode':'read',
'missing_values':['','missing']})
# Define M- and U-probabilities and weights
#
self.m_prob = 0.95
self.u_prob = 0.01
self.agree_weight = mymath.log2(self.m_prob / self.u_prob)
self.disagree_weight = mymath.log2((1.0-self.m_prob) / (1.0-self.u_prob))
self.miss_weight = 0.0
# Clean up test case - - - - - - - - - - - - - - - - - - - - - - - - - - - -
#
def tearDown(self):
pass # Nothing to clean up
# ---------------------------------------------------------------------------
#
# Start test cases
def testExactString(self): # - - - - - - - - - - - - - - - - - - - - - - - -
"""Test the FieldComparatorExactString comparison routine"""
exact_compare = \
comparison.FieldComparatorExactString(fields_a='surname',
fields_b='surname',
m_prob=self.m_prob,
u_prob=self.u_prob,
missing_weight=self.miss_weight)
rec_comparator = comparison.RecordComparator(self.dataset, self.dataset,
[exact_compare])
agree = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
agree = float(agree[4])
similar = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'petra','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
similar = float(similar[4])
disagree = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'xanthilla','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
disagree = float(disagree[4])
missing1 = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
missing1 = float(missing1[4])
missing2 = rec_comparator.compare({'surname':'missing','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'tim','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
missing2 = float(missing2[4])
assert (agree == self.agree_weight), \
'Wrong agreement weight (should be: '+str(self.agree_weight)+ \
'): '+str(agree)
assert (similar == self.disagree_weight), \
'Wrong similar weight (should be: '+str(self.disagree_weight)+ \
'): '+str(similar)
assert (disagree == self.disagree_weight), \
'Wrong disagreement weight (should be: '+ \
str(self.disagree_weight)+'): '+str(disagree)
assert (missing1 == self.miss_weight), \
'Wrong missing weight (should be: '+ \
str(self.miss_weight)+'): '+str(missing1)
assert (missing2 == self.miss_weight), \
'Wrong missing weight (should be: '+ \
str(self.miss_weight)+'): '+str(missing2)
assert (agree > disagree), \
'Agreement weight ('+str(agree)+') is not larger than disagree'+ \
' weight: '+str(disagree)
assert (agree > missing1), \
'Agreement weight ('+str(agree)+') is not larger than missing1'+ \
' weight: '+str(missing1)
def testTruncateString(self): # - - - - - - - - - - - - - - - - - - - - - -
"""Test the FieldComparatorTruncateString comparison routine"""
truncate_compare = \
comparison.FieldComparatorTruncateString(fields_a='surname',
fields_b='surname',
m_prob=self.m_prob,
u_prob=self.u_prob,
missing_weight=self.miss_weight,
max_string_length=3)
rec_comparator = comparison.RecordComparator(self.dataset, self.dataset,
[truncate_compare])
agree = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
agree = float(agree[4])
similar1 = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'petra','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
similar1 = float(similar1[4])
similar2 = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'pedra','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
similar2 = float(similar2[4])
disagree = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'xanthilla','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
disagree = float(disagree[4])
missing1 = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
missing1 = float(missing1[4])
missing2 = rec_comparator.compare({'surname':'missing','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'tim','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
missing2 = float(missing2[4])
assert (agree == self.agree_weight), \
'Wrong agreement weight (should be: '+str(self.agree_weight)+ \
'): '+str(agree)
assert (similar1 == self.agree_weight), \
'Wrong similar1 weight (should be: '+str(self.agree_weight)+ \
'): '+str(similar1)
assert (similar2 == self.disagree_weight), \
'Wrong similar2 weight (should be: '+str(self.disagree_weight)+ \
'): '+str(similar2)
assert (disagree == self.disagree_weight), \
'Wrong disagreement weight (should be: '+ \
str(self.disagree_weight)+'): '+str(disagree)
assert (missing1 == self.miss_weight), \
'Wrong missing weight (should be: '+ \
str(self.miss_weight)+'): '+str(missing1)
assert (missing2 == self.miss_weight), \
'Wrong missing weight (should be: '+ \
str(self.miss_weight)+'): '+str(missing2)
assert (agree > disagree), \
'Agreement weight ('+str(agree)+') is not larger than disagree'+ \
' weight: '+str(disagree)
assert (agree > missing1), \
'Agreement weight ('+str(agree)+') is not larger than missing1'+ \
' weight: '+str(missing1)
truncate_compare = \
comparison.FieldComparatorTruncateString(fields_a='surname',
fields_b='surname',
m_prob=self.m_prob,
u_prob=self.u_prob,
missing_weight=self.miss_weight,
max_string_length=4)
rec_comparator = comparison.RecordComparator(self.dataset, self.dataset,
[truncate_compare])
agree = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
agree = float(agree[4])
similar1 = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'petra','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
similar1 = float(similar1[4])
similar2 = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'pedra','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
similar2 = float(similar2[4])
disagree = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'xanthilla','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
disagree = float(disagree[4])
missing1 = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
missing1 = float(missing1[4])
missing2 = rec_comparator.compare({'surname':'missing','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'tim','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
missing2 = float(missing2[4])
assert (agree == self.agree_weight), \
'Wrong agreement weight (should be: '+str(self.agree_weight)+ \
'): '+str(agree)
assert (similar1 == self.disagree_weight), \
'Wrong similar1 weight (should be: '+str(self.disagree_weight)+ \
'): '+str(similar1)
assert (similar2 == self.disagree_weight), \
'Wrong similar2 weight (should be: '+str(self.disagree_weight)+ \
'): '+str(similar2)
assert (disagree == self.disagree_weight), \
'Wrong disagreement weight (should be: '+ \
str(self.disagree_weight)+'): '+str(disagree)
assert (missing1 == self.miss_weight), \
'Wrong missing weight (should be: '+ \
str(self.miss_weight)+'): '+str(missing1)
assert (missing2 == self.miss_weight), \
'Wrong missing weight (should be: '+ \
str(self.miss_weight)+'): '+str(missing2)
assert (agree > disagree), \
'Agreement weight ('+str(agree)+') is not larger than disagree'+ \
' weight: '+str(disagree)
assert (agree > missing1), \
'Agreement weight ('+str(agree)+') is not larger than missing1'+ \
' weight: '+str(missing1)
def testApproxString(self): # - - - - - - - - - - - - - - - - - - - - - - -
"""Test the FieldComparatorApproxString comparison routine"""
approx_compare = \
comparison.FieldComparatorApproxString(fields_a='surname',
fields_b='surname',
m_prob=self.m_prob,
u_prob=self.u_prob,
missing_weight=self.miss_weight,
compare_method='jaro',
min_approx_value=0.5)
rec_comparator = comparison.RecordComparator(self.dataset, self.dataset,
[approx_compare])
agree = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
agree = float(agree[4])
similar1 = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'petra','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
similar1 = float(similar1[4])
similar2 = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'pedra','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
similar2 = float(similar2[4])
disagree = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'xanthilla','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
disagree = float(disagree[4])
missing1 = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
missing1 = float(missing1[4])
missing2 = rec_comparator.compare({'surname':'missing','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'tim','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
missing2 = float(missing2[4])
assert (agree == self.agree_weight), \
'Wrong agreement weight (should be: '+str(self.agree_weight)+ \
'): '+str(agree)
assert (disagree == self.disagree_weight), \
'Wrong disagreement weight (should be: '+ \
str(self.disagree_weight)+'): '+str(disagree)
assert (agree > disagree), \
'Agreement weight ('+str(agree)+') is not larger than disagree'+ \
' weight: '+str(disagree)
assert (self.agree_weight > similar1), \
'Wrong similar1 weight (should be smaller than agree weight '+ \
str(self.agree_weight)+'): '+ str(similar1)
assert (similar1 > similar2), \
'Wrong similar2 weight (should be smaller than similar1 weight '+ \
str(similar1)+'): '+ str(similar2)
assert (similar2 > self.disagree_weight), \
'Wrong similar2 weight (should be larger than disagree weight '+ \
str(self.disagree_weight)+'): '+ str(similar2)
assert (missing1 == self.miss_weight), \
'Wrong missing weight (should be: '+ \
str(self.miss_weight)+'): '+str(missing1)
assert (missing2 == self.miss_weight), \
'Wrong missing weight (should be: '+ \
str(self.miss_weight)+'): '+str(missing2)
assert (agree > missing1), \
'Agreement weight ('+str(agree)+') is not larger than missing1'+ \
' weight: '+str(missing1)
approx_compare = \
comparison.FieldComparatorApproxString(fields_a='surname',
fields_b='surname',
m_prob=self.m_prob,
u_prob=self.u_prob,
missing_weight=self.miss_weight,
compare_method='jaro',
min_approx_value=0.8)
rec_comparator = comparison.RecordComparator(self.dataset, self.dataset,
[approx_compare])
agree = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
agree = float(agree[4])
similar1 = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'petra','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
similar1 = float(similar1[4])
similar2 = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'pedra','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
similar2 = float(similar2[4])
disagree = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'xanthilla','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
disagree = float(disagree[4])
missing1 = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
missing1 = float(missing1[4])
missing2 = rec_comparator.compare({'surname':'missing','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'tim','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
missing2 = float(missing2[4])
assert (agree == self.agree_weight), \
'Wrong agreement weight (should be: '+str(self.agree_weight)+ \
'): '+str(agree)
assert (disagree == self.disagree_weight), \
'Wrong disagreement weight (should be: '+ \
str(self.disagree_weight)+'): '+str(disagree)
assert (agree > disagree), \
'Agreement weight ('+str(agree)+') is not larger than disagree'+ \
' weight: '+str(disagree)
assert (self.agree_weight > similar1), \
'Wrong similar1 weight (should be smaller than agree weight '+ \
str(self.agree_weight)+'): '+ str(similar1)
assert (similar1 > similar2), \
'Wrong similar2 weight (should be smaller than similar1 weight '+ \
str(similar1)+'): '+ str(similar2)
assert (similar2 == self.disagree_weight), \
'Wrong similar2 weight (should be equal to disagree weight '+ \
str(self.disagree_weight)+'): '+ str(similar2)
assert (missing1 == self.miss_weight), \
'Wrong missing weight (should be: '+ \
str(self.miss_weight)+'): '+str(missing1)
assert (missing2 == self.miss_weight), \
'Wrong missing weight (should be: '+ \
str(self.miss_weight)+'): '+str(missing2)
assert (agree > missing1), \
'Agreement weight ('+str(agree)+') is not larger than missing1'+ \
' weight: '+str(missing1)
approx_compare = \
comparison.FieldComparatorApproxString(fields_a='surname',
fields_b='surname',
m_prob=self.m_prob,
u_prob=self.u_prob,
missing_weight=self.miss_weight,
compare_method='bigram',
min_approx_value=0.5)
rec_comparator = comparison.RecordComparator(self.dataset, self.dataset,
[approx_compare])
agree = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
agree = float(agree[4])
similar1 = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'petea','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
similar1 = float(similar1[4])
similar2 = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'pedra','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
similar2 = float(similar2[4])
disagree = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'xanthilla','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
disagree = float(disagree[4])
missing1 = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
missing1 = float(missing1[4])
missing2 = rec_comparator.compare({'surname':'missing','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'tim','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
missing2 = float(missing2[4])
assert (agree == self.agree_weight), \
'Wrong agreement weight (should be: '+str(self.agree_weight)+ \
'): '+str(agree)
assert (disagree == self.disagree_weight), \
'Wrong disagreement weight (should be: '+ \
str(self.disagree_weight)+'): '+str(disagree)
assert (agree > disagree), \
'Agreement weight ('+str(agree)+') is not larger than disagree'+ \
' weight: '+str(disagree)
assert (self.agree_weight > similar1), \
'Wrong similar1 weight (should be smaller than agree weight '+ \
str(self.agree_weight)+'): '+ str(similar1)
assert (similar1 > similar2), \
'Wrong similar2 weight (should be smaller than similar1 weight '+ \
str(similar1)+'): '+ str(similar2)
assert (similar2 == self.disagree_weight), \
'Wrong similar2 weight (should be equal to disagree weight '+ \
str(self.disagree_weight)+'): '+ str(similar2)
assert (missing1 == self.miss_weight), \
'Wrong missing weight (should be: '+ \
str(self.miss_weight)+'): '+str(missing1)
assert (missing2 == self.miss_weight), \
'Wrong missing weight (should be: '+ \
str(self.miss_weight)+'): '+str(missing2)
assert (agree > missing1), \
'Agreement weight ('+str(agree)+') is not larger than missing1'+ \
' weight: '+str(missing1)
def testEncodeString(self): # - - - - - - - - - - - - - - - - - - - - - - -
"""Test the FieldComparatorEncodeString comparison routine"""
encode_compare = \
comparison.FieldComparatorEncodeString(fields_a='surname',
fields_b='surname',
m_prob=self.m_prob,
u_prob=self.u_prob,
missing_weight=self.miss_weight,
encode_method='soundex',
max_code_length=2)
rec_comparator = comparison.RecordComparator(self.dataset, self.dataset,
[encode_compare])
agree = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
agree = float(agree[4])
similar1 = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'petra','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
similar1 = float(similar1[4])
similar2 = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'pedra','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
similar2 = float(similar2[4])
disagree = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'xanthilla','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
disagree = float(disagree[4])
missing1 = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
missing1 = float(missing1[4])
missing2 = rec_comparator.compare({'surname':'missing','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'tim','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
missing2 = float(missing2[4])
assert (agree == self.agree_weight), \
'Wrong agreement weight (should be: '+str(self.agree_weight)+ \
'): '+str(agree)
assert (disagree == self.disagree_weight), \
'Wrong disagreement weight (should be: '+ \
str(self.disagree_weight)+'): '+str(disagree)
assert (agree > disagree), \
'Agreement weight ('+str(agree)+') is not larger than disagree'+ \
' weight: '+str(disagree)
assert (self.agree_weight == similar1), \
'Wrong similar1 weight (should be equal to agree weight '+ \
str(self.agree_weight)+'): '+ str(similar1)
assert (similar1 == similar2), \
'Wrong similar2 weight (should be equal to similar1 weight '+ \
str(similar1)+'): '+ str(similar2)
assert (similar2 == self.agree_weight), \
'Wrong similar2 weight (should be equal to agree weight '+ \
str(self.agree_weight)+'): '+ str(similar2)
assert (missing1 == self.miss_weight), \
'Wrong missing weight (should be: '+ \
str(self.miss_weight)+'): '+str(missing1)
assert (missing2 == self.miss_weight), \
'Wrong missing weight (should be: '+ \
str(self.miss_weight)+'): '+str(missing2)
assert (agree > missing1), \
'Agreement weight ('+str(agree)+') is not larger than missing1'+ \
' weight: '+str(missing1)
encode_compare = \
comparison.FieldComparatorEncodeString(fields_a='surname',
fields_b='surname',
m_prob=self.m_prob,
u_prob=self.u_prob,
missing_weight=self.miss_weight,
encode_method='nysiis',
max_code_length=5,
reverse=True)
rec_comparator = comparison.RecordComparator(self.dataset, self.dataset,
[encode_compare])
agree = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
agree = float(agree[4])
similar1 = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'petra','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
similar1 = float(similar1[4])
similar2 = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'pedra','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
similar2 = float(similar2[4])
disagree = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'xanthilla','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
disagree = float(disagree[4])
missing1 = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
missing1 = float(missing1[4])
missing2 = rec_comparator.compare({'surname':'missing','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'tim','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
missing2 = float(missing2[4])
assert (agree == self.agree_weight), \
'Wrong agreement weight (should be: '+str(self.agree_weight)+ \
'): '+str(agree)
assert (disagree == self.disagree_weight), \
'Wrong disagreement weight (should be: '+ \
str(self.disagree_weight)+'): '+str(disagree)
assert (agree > disagree), \
'Agreement weight ('+str(agree)+') is not larger than disagree'+ \
' weight: '+str(disagree)
assert (self.disagree_weight == similar1), \
'Wrong similar1 weight (should be equal to disagree weight '+ \
str(self.disagree_weight)+'): '+ str(similar1)
assert (similar1 == similar2), \
'Wrong similar2 weight (should be equal to similar1 weight '+ \
str(similar1)+'): '+ str(similar2)
assert (similar2 == self.disagree_weight), \
'Wrong similar2 weight (should be equal to disagree weight '+ \
str(self.disagree_weight)+'): '+ str(similar2)
assert (missing1 == self.miss_weight), \
'Wrong missing weight (should be: '+ \
str(self.miss_weight)+'): '+str(missing1)
assert (missing2 == self.miss_weight), \
'Wrong missing weight (should be: '+ \
str(self.miss_weight)+'): '+str(missing2)
assert (agree > missing1), \
'Agreement weight ('+str(agree)+') is not larger than missing1'+ \
' weight: '+str(missing1)
def testKeyDiff(self): # - - - - - - - - - - - - - - - - - - - - - - - - - -
"""Test the FieldComparatorKeyDiff comparison routine"""
keydiff_compare = \
comparison.FieldComparatorKeyDiff(fields_a='surname',
fields_b='surname',
m_prob=self.m_prob,
u_prob=self.u_prob,
missing_weight=self.miss_weight,
max_key_diff=1)
rec_comparator = comparison.RecordComparator(self.dataset, self.dataset,
[keydiff_compare])
agree = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
agree = float(agree[4])
similar1 = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'petea','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
similar1 = float(similar1[4])
similar2 = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'petra','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
similar2 = float(similar2[4])
disagree = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'xanthilla','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
disagree = float(disagree[4])
missing1 = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
missing1 = float(missing1[4])
missing2 = rec_comparator.compare({'surname':'missing','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'tim','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
missing2 = float(missing2[4])
assert (agree == self.agree_weight), \
'Wrong agreement weight (should be: '+str(self.agree_weight)+ \
'): '+str(agree)
assert (disagree == self.disagree_weight), \
'Wrong disagreement weight (should be: '+ \
str(self.disagree_weight)+'): '+str(disagree)
assert (agree > disagree), \
'Agreement weight ('+str(agree)+') is not larger than disagree'+ \
' weight: '+str(disagree)
assert (self.agree_weight > similar1), \
'Wrong similar1 weight (should be smaller than agree weight '+ \
str(self.agree_weight)+'): '+ str(similar1)
assert (similar1 > similar2), \
'Wrong similar2 weight (should be smaller than similar1 weight '+ \
str(similar1)+'): '+ str(similar2)
assert (similar2 == self.disagree_weight), \
'Wrong similar2 weight (should be equal to disagree weight '+ \
str(self.disagree_weight)+'): '+ str(similar2)
assert (missing1 == self.miss_weight), \
'Wrong missing weight (should be: '+ \
str(self.miss_weight)+'): '+str(missing1)
assert (missing2 == self.miss_weight), \
'Wrong missing weight (should be: '+ \
str(self.miss_weight)+'): '+str(missing2)
assert (agree > missing1), \
'Agreement weight ('+str(agree)+') is not larger than missing1'+ \
' weight: '+str(missing1)
keydiff_compare = \
comparison.FieldComparatorKeyDiff(fields_a='surname',
fields_b='surname',
m_prob=self.m_prob,
u_prob=self.u_prob,
missing_weight=self.miss_weight,
max_key_diff=3)
rec_comparator = comparison.RecordComparator(self.dataset, self.dataset,
[keydiff_compare])
agree = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
agree = float(agree[4])
similar1 = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'petea','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
similar1 = float(similar1[4])
similar2 = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'petra','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
similar2 = float(similar2[4])
disagree = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'xanthilla','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
disagree = float(disagree[4])
missing1 = rec_comparator.compare({'surname':'peter','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
missing1 = float(missing1[4])
missing2 = rec_comparator.compare({'surname':'missing','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'surname':'tim','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
missing2 = float(missing2[4])
assert (agree == self.agree_weight), \
'Wrong agreement weight (should be: '+str(self.agree_weight)+ \
'): '+str(agree)
assert (disagree == self.disagree_weight), \
'Wrong disagreement weight (should be: '+ \
str(self.disagree_weight)+'): '+str(disagree)
assert (agree > disagree), \
'Agreement weight ('+str(agree)+') is not larger than disagree'+ \
' weight: '+str(disagree)
assert (self.agree_weight > similar1), \
'Wrong similar1 weight (should be smaller than agree weight '+ \
str(self.agree_weight)+'): '+ str(similar1)
assert (similar1 > similar2), \
'Wrong similar2 weight (should be smaller than similar1 weight '+ \
str(similar1)+'): '+ str(similar2)
assert (similar2 > self.disagree_weight), \
'Wrong similar2 weight (should be larger than disagree weight '+ \
str(self.disagree_weight)+'): '+ str(similar2)
assert (missing1 == self.miss_weight), \
'Wrong missing weight (should be: '+ \
str(self.miss_weight)+'): '+str(missing1)
assert (missing2 == self.miss_weight), \
'Wrong missing weight (should be: '+ \
str(self.miss_weight)+'): '+str(missing2)
assert (agree > missing1), \
'Agreement weight ('+str(agree)+') is not larger than missing1'+ \
' weight: '+str(missing1)
def testNumericPerc(self): # - - - - - - - - - - - - - - - - - - - - - - - -
"""Test the FieldComparatorNumericPerc comparison routine"""
numperc_compare = \
comparison.FieldComparatorNumericPerc(fields_a='postcode',
fields_b='postcode',
m_prob=self.m_prob,
u_prob=self.u_prob,
missing_weight=self.miss_weight,
max_perc_diff=10.0)
rec_comparator = comparison.RecordComparator(self.dataset, self.dataset,
[numperc_compare])
agree = rec_comparator.compare({'postcode':'12345','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'postcode':'12345','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
agree = float(agree[4])
similar1 = rec_comparator.compare({'postcode':'1000','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'postcode':'995','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
similar1 = float(similar1[4])
similar2 = rec_comparator.compare({'postcode':'1000','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'postcode':'910.1','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
similar2 = float(similar2[4])
similar3 = rec_comparator.compare({'postcode':'1000.0','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'postcode':'880','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
similar3 = float(similar3[4])
disagree = rec_comparator.compare({'postcode':'1000','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'postcode':'99','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
disagree = float(disagree[4])
missing1 = rec_comparator.compare({'postcode':'999','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'postcode':'','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
missing1 = float(missing1[4])
missing2 = rec_comparator.compare({'postcode':'missing','_rec_num_':0, \
'_dataset_name_':self.dataset.name},
{'postcode':'678','_rec_num_':0, \
'_dataset_name_':self.dataset.name})
missing2 = float(missing2[4])
assert (agree == self.agree_weight), \
'Wrong agreement weight (should be: '+str(self.agree_weight)+ \
'): '+str(agree)
assert (disagree == self.disagree_weight), \
'Wrong disagreement weight (should be: '+ \
str(self.disagree_weight)+'): '+str(disagree)
assert (agree > disagree), \
'Agreement weight ('+str(agree)+') is not larger than disagree'+ \
' weight: '+str(disagree)
assert (self.agree_weight > similar1), \
'Wrong similar1 weight (should be smaller than agree weight '+ \
str(self.agree_weight)+'): '+ str(similar1)
assert (similar1 > similar2), \
'Wrong similar2 weight (should be smaller than similar1 weight '+ \
str(similar1)+'): '+ str(similar2)
assert (similar2 > similar3), \
'Wrong similar3 weight (should be smaller than similar2 weight '+ \
str(similar2)+'): '+ str(similar3)
assert (similar2 > self.disagree_weight), \
'Wrong similar2 weight (should be larger than disagree weight '+ \
str(self.disagree_weight)+'): '+ str(similar2)
assert (similar3 == self.disagree_weight), \
'Wrong similar3 weight (should be equal to disagree weight '+ \
str(self.disagree_weight)+'): '+ str(similar3)
assert (missing1 == self.miss_weight), \
'Wrong missing weight (should be: '+ \
str(self.miss_weight)+'): '+str(missing1)
assert (missing2 == self.miss_weight), \