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dictionary_spline_test.py
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#!/usr/bin/env python
import unittest
from dictionary_spline import *
class JsonSchemaCheckerTest(unittest.TestCase):
def setUp(self):
pass
def test_empty_and_non_empty_jsons_should_not_have_same_shape(self):
dict1 = {}
dict2 = {'a':5}
self.assertFalse(jsonSchemaCheck([dict1, dict2]))
def test_jsons_with_different_keys_should_not_have_same_shape(self):
dict1 = {'a':5}
dict2 = {'b':5}
self.assertFalse(jsonSchemaCheck([dict1, dict2]))
def test_jsons_with_same_keys_should_have_same_shape(self):
dict1 = {'a':5}
dict2 = {'a':6}
self.assertTrue(jsonSchemaCheck([dict1, dict2]))
def test_equal_recursive_jsons_should_have_same_shape(self):
dict_ = {'a': {'b':5}}
self.assertTrue(jsonSchemaCheck([dict_, dict_]))
def test_same_shape_with_different_leaves_should_have_same_shape(self):
dict1 = {'a': {'b':5}}
dict2 = {'a': {'b':6}}
self.assertTrue(jsonSchemaCheck([dict1, dict2]))
def test_different_type_leaves_should_not_have_same_shape(self):
dict1 = {'a': {'b':5}}
dict2 = {'a': {'b':'five'}}
self.assertFalse(jsonSchemaCheck([dict1, dict2]))
class DictionarySplineTest(unittest.TestCase):
def setUp(self):
pass
def test_values_of_controls_should_match_in_one_parameter(self):
vector = [1, 2, 3, 4]
times = [1, 2, 3, 4]
matrix = [vector]
v = DictionarySpline(times, matrix)
results = [v(i) for i in times]
for i in range(4):
self.assertAlmostEqual(results[i][0], vector[i])
def test_values_of_controls_should_match_in_two_parameters(self):
vector1 = [1, 2, 3, 4]
vector2 = [2, 3, 4, 5]
times = [1, 2, 3, 4]
matrix = [vector1, vector2]
v = DictionarySpline(times, matrix)
results = [v(i) for i in times]
for i in range(4):
self.assertAlmostEqual(results[i][0], vector1[i])
self.assertAlmostEqual(results[i][1], vector2[i])
def test_values_of_float_controls_should_match(self):
vector = [1.0, 2.0, 3.0, 4.0]
times = [1, 2, 3, 4]
matrix = [vector]
v = DictionarySpline(times, matrix)
results = [v(i) for i in times]
for i in range(4):
self.assertAlmostEqual(results[i][0], vector[i])
def test_integer_controls_should_remain_integers(self):
vector = [10, 20, 30, 40]
times = [1, 2, 3, 4]
matrix = [vector]
v = DictionarySpline(times, matrix)
results = [v(i) for i in times]
for v in results:
self.assertTrue(isinstance(v[0], (int)))
def test_strings_should_not_be_interpolated(self):
vector = ["a", "b", "c", "d"]
times = [1, 2, 3, 4]
matrix = [vector]
v = DictionarySpline(times, matrix)
results = [v(i) for i in times]
for result in results:
self.assertEqual(result, ["a"])
def test_tuples_should_be_interpolated_piecewise(self):
vector = [(1, 10), (2, 20), (3, 30), (4, 40)]
times = [1, 2, 3, 4]
matrix = [vector]
v = DictionarySpline(times, matrix)
results = [v(i) for i in times]
for i in range(4):
self.assertTrue(isinstance(results[i][0], tuple))
self.assertAlmostEqual(results[i][0][0], vector[i][0])
self.assertAlmostEqual(results[i][0][1], vector[i][1])
def test_tuples_should_be_interpolated_piecewise_even_if_other_params_are_present(self):
vector1 = [(1, 10), (2, 20), (3, 30), (4, 40)]
vector2 = [100, 200, 300, 400]
times = [1, 2, 3, 4]
matrix = [vector1, vector2]
v = DictionarySpline(times, matrix)
results = [v(i) for i in times]
for i in range(4):
self.assertTrue(isinstance(results[i][0], tuple))
self.assertAlmostEqual(results[i][0][0], vector1[i][0])
self.assertAlmostEqual(results[i][0][1], vector1[i][1])
self.assertAlmostEqual(results[i][1], vector2[i])
def test_recursive_tuples_should_be_recursively_interpolated(self):
vector = [
((1, 10), 100), ((2, 20), 200), ((3, 30), 300), ((4, 40), 400)]
times = [1, 2, 3, 4]
matrix = [vector]
v = DictionarySpline(times, matrix)
results = [v(i) for i in times]
for i in range(4):
self.assertTrue(isinstance(results[i][0], tuple))
self.assertTrue(isinstance(results[i][0][0], tuple))
self.assertAlmostEqual(results[i][0][0][0], vector[i][0][0])
self.assertAlmostEqual(results[i][0][0][1], vector[i][0][1])
self.assertAlmostEqual(results[i][0][1], vector[i][1])
def test_scalar_dictionaries_should_be_interpolated_regularly(self):
vector = [{'x': 1}, {'x': 2}, {'x': 3}, {'x': 4}]
times = [1, 2, 3, 4]
matrix = [vector]
v = DictionarySpline(times, matrix)
results = [v(i) for i in times]
for i in range(4):
self.assertAlmostEqual(results[i][0]['x'], vector[i]['x'])
def test_non_scalar_dictionaries_should_be_interpolated_correctly(self):
vector = [
{'x': 1, 'y': 10, 'z': 100},
{'x': 2, 'y': 20, 'z': 200},
{'x': 3, 'y': 30, 'z': 300},
{'x': 4, 'y': 40, 'z': 400}]
times = [1, 2, 3, 4]
matrix = [vector]
v = DictionarySpline(times, matrix)
results = [v(i) for i in times]
for i in range(4):
self.assertAlmostEqual(results[i][0]['x'], vector[i]['x'])
self.assertAlmostEqual(results[i][0]['y'], vector[i]['y'])
self.assertAlmostEqual(results[i][0]['z'], vector[i]['z'])
def test_recursive_dictionaries_should_be_interpolated_correctly(self):
vector = [
{'x': 1, 'y': 10, 'z': 100, 'd': {'a': 5}},
{'x': 2, 'y': 20, 'z': 200, 'd': {'a': 6}},
{'x': 3, 'y': 30, 'z': 300, 'd': {'a': 7}},
{'x': 4, 'y': 40, 'z': 400, 'd': {'a': 8}}]
times = [1, 2, 3, 4]
matrix = [vector]
v = DictionarySpline(times, matrix)
results = [v(i) for i in times]
for i in range(4):
self.assertAlmostEqual(results[i][0]['x'], vector[i]['x'])
self.assertAlmostEqual(results[i][0]['y'], vector[i]['y'])
self.assertAlmostEqual(results[i][0]['z'], vector[i]['z'])
self.assertAlmostEqual(
results[i][0]['d']['a'], vector[i]['d']['a'])
def test_multiple_elements_in_recursive_dictionaries_should_be_interpolated_correctly(self):
vector = [
{'x': 1, 'y': 10, 'z': 100, 'd': {'a': 5, 'b': -1, 'c': -10}},
{'x': 2, 'y': 20, 'z': 200, 'd': {
'a': 6, 'b': -2, 'c': -20}},
{'x': 3, 'y': 30, 'z': 300, 'd': {
'a': 7, 'b': -3, 'c': -30}},
{'x': 4, 'y': 40, 'z': 400, 'd': {'a': 8, 'b': -4, 'c': -40}}]
times = [1, 2, 3, 4]
matrix = [vector]
v = DictionarySpline(times, matrix)
results = [v(i)[0] for i in times]
for i in range(4):
self.assertAlmostEqual(results[i]['d']['a'], vector[i]['d']['a'])
self.assertAlmostEqual(results[i]['d']['b'], vector[i]['d']['b'])
self.assertAlmostEqual(results[i]['d']['c'], vector[i]['d']['c'])
def test_equal_elements_should_create_equal_spline(self):
vector = [1, 1, 1, 1]
times = [1, 2, 3, 4]
matrix = [vector]
v = DictionarySpline(times, matrix)
results = [v(i)[0] for i in times]
self.assertSequenceEqual(results, vector)
for i in range(3):
intermediate = i + 0.5
self.assertEqual(v(i)[0], 1)
def test_should_create_dummy_spline_if_dummy_is_passed(self):
vector = [1, 2, 3, 4]
times = [1, 2, 3, 4]
matrix = [vector]
v = DictionarySpline(times, matrix, DummySpline)
results = [v(i)[0] for i in times]
self.assertSequenceEqual(
results, [vector[0] for i in range(len(vector))])
def test_interpolating_function_should_be_passed_recursively(self):
vector = [
{'x': {'a': 1}},
{'x': {'a': 2}},
{'x': {'a': 3}},
{'x': {'a': 4}}]
times = [1, 2, 3, 4]
matrix = [vector]
v = DictionarySpline(times, matrix, DummySpline)
results = [v(i)[0] for i in times]
self.assertSequenceEqual(
results, [vector[0] for i in range(len(vector))])
def test_interpolating_function_should_be_passed_recursively_more(self):
vector = [
{'x': {'a': {'b': 1}}},
{'x': {'a': {'b': 2}}},
{'x': {'a': {'b': 3}}},
{'x': {'a': {'b': 4}}}]
times = [1, 2, 3, 4]
matrix = [vector]
v = DictionarySpline(times, matrix, DummySpline)
results = [v(i)[0] for i in times]
self.assertSequenceEqual(
results, [vector[0] for i in range(len(vector))])
def test_differently_shaped_trees_should_cause_exception(self):
vector = [
{'x': 1, 'y': 10},
{'x': 1},
{'x': 1},
{'x': 1}]
times = [1, 2, 3, 4]
matrix = [vector]
self.assertRaises(Exception, DictionarySpline, times, matrix)
class ConstraintSplineTest(unittest.TestCase):
def setUp(self):
self.times = [10, 20, 30, 40]
def double(self, x):
return 2*x
def test_if_no_constraint_is_added_spline_should_only_forward(self):
c = ConstraintSpline(DummySpline, self.times, [1, 2, 3, 4])
values = [c(i) for i in self.times]
for v in values:
self.assertEqual(v, 1)
def test_if_no_constraint_is_added_spline_should_only_forward_float(self):
c = ConstraintSpline(DummySpline, self.times, [1.0, 2.0, 3.0, 4.0])
values = [c(i) for i in self.times]
for v in values:
self.assertEqual(v, 1.0)
def test_if_constraint_is_int_type_of_values_should_be_int(self):
c = ConstraintSpline(DummySpline, self.times, [1.0, 2.0, 3.0, 4.0], constraint=int)
values = [c(i) for i in self.times]
for v in values:
self.assertTrue(isinstance(v, (int)))
def test_if_function_is_provided_function_should_be_used(self):
c = ConstraintSpline(DummySpline, self.times, [1, 2, 3, 4], constraint=self.double)
values = [c(i) for i in self.times]
for v in values:
self.assertEqual(v, self.double(1))
if __name__ == "__main__":
unittest.main()