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Push — development/test ( 24302c...f5ca2a )
by Daniel
01:16
created

TestParameterHandling   A

Complexity

Total Complexity 4

Size/Duplication

Total Lines 42
Duplicated Lines 0 %

Importance

Changes 0
Metric Value
eloc 30
dl 0
loc 42
rs 10
c 0
b 0
f 0
wmc 4

1 Method

Rating   Name   Duplication   Size   Complexity  
A TestParameterHandling.test_interpret_known_expression() 0 25 4
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"""
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Testing key methods from Parameter Handling class
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"""
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from datetime import datetime
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from sources.common.BasicNeeds import BasicNeeds
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from sources.common.FileOperations import FileOperations
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from sources.db_extractor.ParameterHandling import ParameterHandling
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import unittest
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class TestParameterHandling(unittest.TestCase):
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    def test_interpret_known_expression(self):
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        fo = FileOperations()
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        bn = BasicNeeds()
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        # load testing values from JSON file
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        # where all cases are grouped
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        json_structure = fo.fn_open_file_and_get_content('expressions.json')
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        # flatten out all testing values
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        pair_values = []
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        index_counter = 0
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        for current_expression_group in json_structure.items():
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            for current_expression in current_expression_group[1]:
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                pair_values.append(index_counter)
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                pair_values[index_counter] = current_expression
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                index_counter += 1
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        # parse through all pair of values and run the test
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        ph = ParameterHandling()
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        for current_pair in pair_values:
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            reference_date = datetime.strptime(current_pair['reference_date'], '%Y-%m-%d')
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            expression_parts = current_pair['expression'].split('_')
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            value_to_assert = ph.interpret_known_expression(reference_date, expression_parts, 1)
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            self.assertEqual(value_to_assert, current_pair['expected'],
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                             'Provided value was "' + current_pair['reference_date']
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                             + '", Expression was "' + current_pair['expression'] + '" '
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                             + '", Expected was "' + current_pair['expected'] + '" '
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                             + 'but received was "' + value_to_assert + '"...')
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if __name__ == '__main__':
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    unittest.main()
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