def test_compute_common_top_level(self):
"""Alert Class - Compute Common - No Nested Dictionaries"""
record1 = {'a': 1, 'b': 2, 'c': 3}
record2 = {'b': 2, 'c': 3, 'd': 4}
record3 = {'c': 3, 'd': 4, 'e': 5}
assert_equal({'c': 3},
Alert._compute_common([record1, record2, record3]))
def test_compute_common_partial_nested(self):
"""Alert Class - Compute Common - Some Common Features in Nested Dictionary"""
# This is the example given in the docstring
record1 = {'abc': 123, 'nested': {'A': 1, 'B': 2}}
record2 = {'abc': 123, 'def': 456, 'nested': {'A': 1}}
assert_equal({
'abc': 123,
'nested': {
'A': 1
}
}, Alert._compute_common([record1, record2]))
def test_compute_common_many_nested(self):
"""Alert Class - Compute Common - Multiple Levels of Nesting"""
record1 = {'a': {'b': {'c': 3, 'd': 4}, 'e': {'h': {'i': 9}}, 'j': {}}}
record2 = {
'a': {
'b': {
'c': 3,
},
'e': {
'f': {
'g': 8
},
'h': {}
},
'j': {}
}
}
expected = {'a': {'b': {'c': 3}, 'j': {}}}
assert_equal(expected, Alert._compute_common([record1, record2]))
def test_compute_common_all_identical(self):
"""Alert Class - Compute Common - Identical Records"""
record = {'a': 1, 'b': 2, 'c': {'d': {'e': 3}}}
assert_equal(record, Alert._compute_common([record] * 4))
def test_compute_common_different_types(self):
"""Alert Class - Compute Common - Same Keys, Different Types"""
record1 = {'a': 1, 'b': None, 'c': {'d': {'e': 5}, 'f': {'g': 6}}}
record2 = {'a': '1', 'b': 0, 'c': []}
assert_equal({}, Alert._compute_common([record1, record2]))
def test_compute_common_no_similarities(self):
"""Alert Class - Compute Common - Empty Common Set"""
record1 = {'a': -1, 'b': -2, 'c': -3, 'd': {'e': 0}}
record2 = {'a': 1, 'b': 2, 'c': 3}
assert_equal({}, Alert._compute_common([record1, record2]))
def test_compute_common_single_record(self):
"""Alert Class - Compute Common - Single Record"""
# The greatest common subset of a single record is itself
record = {'a': 1, 'b': 2, 'c': {'d': {'e': 3}}}
assert_equal(record, Alert._compute_common([record]))
def test_compute_common_empty_record(self):
"""Alert Class - Compute Common - Empty Record List"""
assert_equal({}, Alert._compute_common([]))