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Original file line number | Diff line number | Diff line change |
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import dataclasses | ||
import unittest | ||
from datetime import datetime | ||
from enum import Enum | ||
|
||
from google.cloud import bigquery | ||
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||
from db.python.tables.bq.generic_bq_filter import GenericBQFilter | ||
from db.python.tables.bq.generic_bq_filter_model import GenericBQFilterModel | ||
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||
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@dataclasses.dataclass(kw_only=True) | ||
class GenericBQFilterTest(GenericBQFilterModel): | ||
"""Test model for GenericBQFilter""" | ||
|
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test_string: GenericBQFilter[str] | None = None | ||
test_int: GenericBQFilter[int] | None = None | ||
test_float: GenericBQFilter[float] | None = None | ||
test_dt: GenericBQFilter[datetime] | None = None | ||
test_dict: dict[str, GenericBQFilter[str]] | None = None | ||
test_enum: GenericBQFilter[Enum] | None = None | ||
|
||
|
||
class BGFilterTestEnum(str, Enum): | ||
"""Simple Enum classs""" | ||
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ID = 'id' | ||
VALUE = 'value' | ||
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||
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class TestGenericBQFilters(unittest.TestCase): | ||
"""Test generic filters SQL generation""" | ||
|
||
def test_basic_no_override(self): | ||
"""Test that the basic filter converts to SQL as expected""" | ||
filter_ = GenericBQFilterTest(test_string=GenericBQFilter(eq='test')) | ||
sql, values = filter_.to_sql() | ||
|
||
self.assertEqual('test_string = @test_string_eq', sql) | ||
self.assertDictEqual( | ||
{ | ||
'test_string_eq': bigquery.ScalarQueryParameter( | ||
'test_string_eq', 'STRING', 'test' | ||
) | ||
}, | ||
values, | ||
) | ||
|
||
def test_basic_override(self): | ||
"""Test that the basic filter with an override converts to SQL as expected""" | ||
filter_ = GenericBQFilterTest(test_string=GenericBQFilter(eq='test')) | ||
sql, values = filter_.to_sql({'test_string': 't.string'}) | ||
|
||
self.assertEqual('t.string = @t_string_eq', sql) | ||
self.assertDictEqual( | ||
{ | ||
't_string_eq': bigquery.ScalarQueryParameter( | ||
't_string_eq', 'STRING', 'test' | ||
) | ||
}, | ||
values, | ||
) | ||
|
||
def test_single_string(self): | ||
""" | ||
Test that a single value filtered using the "in" operator | ||
gets converted to an eq operation | ||
""" | ||
filter_ = GenericBQFilterTest(test_string=GenericBQFilter(in_=['test'])) | ||
sql, values = filter_.to_sql() | ||
|
||
self.assertEqual('test_string = @test_string_in_eq', sql) | ||
self.assertDictEqual( | ||
{ | ||
'test_string_in_eq': bigquery.ScalarQueryParameter( | ||
'test_string_in_eq', 'STRING', 'test' | ||
) | ||
}, | ||
values, | ||
) | ||
|
||
def test_single_int(self): | ||
""" | ||
Test that values filtered using the "in" operator convert as expected | ||
""" | ||
value = 123 | ||
filter_ = GenericBQFilterTest(test_int=GenericBQFilter(gt=value)) | ||
sql, values = filter_.to_sql() | ||
|
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self.assertEqual('test_int > @test_int_gt', sql) | ||
self.assertDictEqual( | ||
{ | ||
'test_int_gt': bigquery.ScalarQueryParameter( | ||
'test_int_gt', 'INT64', value | ||
) | ||
}, | ||
values, | ||
) | ||
|
||
def test_single_float(self): | ||
""" | ||
Test that values filtered using the "in" operator convert as expected | ||
""" | ||
value = 123.456 | ||
filter_ = GenericBQFilterTest(test_float=GenericBQFilter(gte=value)) | ||
sql, values = filter_.to_sql() | ||
|
||
self.assertEqual('test_float >= @test_float_gte', sql) | ||
self.assertDictEqual( | ||
{ | ||
'test_float_gte': bigquery.ScalarQueryParameter( | ||
'test_float_gte', 'FLOAT64', value | ||
) | ||
}, | ||
values, | ||
) | ||
|
||
def test_single_datetime(self): | ||
""" | ||
Test that values filtered using the "in" operator convert as expected | ||
""" | ||
datetime_str = '2021-10-08 01:02:03' | ||
value = datetime.strptime(datetime_str, '%Y-%m-%d %H:%M:%S') | ||
filter_ = GenericBQFilterTest(test_dt=GenericBQFilter(lt=value)) | ||
sql, values = filter_.to_sql() | ||
|
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self.assertEqual('test_dt < TIMESTAMP(@test_dt_lt)', sql) | ||
self.assertDictEqual( | ||
{ | ||
'test_dt_lt': bigquery.ScalarQueryParameter( | ||
'test_dt_lt', 'STRING', datetime_str | ||
) | ||
}, | ||
values, | ||
) | ||
|
||
def test_single_enum(self): | ||
""" | ||
Test that values filtered using the "in" operator convert as expected | ||
""" | ||
value = BGFilterTestEnum.ID | ||
filter_ = GenericBQFilterTest(test_enum=GenericBQFilter(lte=value)) | ||
sql, values = filter_.to_sql() | ||
|
||
self.assertEqual('test_enum <= @test_enum_lte', sql) | ||
self.assertDictEqual( | ||
{ | ||
'test_enum_lte': bigquery.ScalarQueryParameter( | ||
'test_enum_lte', 'STRING', value.value | ||
) | ||
}, | ||
values, | ||
) | ||
|
||
def test_in_multiple_int(self): | ||
""" | ||
Test that values filtered using the "in" operator convert as expected | ||
""" | ||
value = [1, 2] | ||
filter_ = GenericBQFilterTest(test_int=GenericBQFilter(in_=value)) | ||
sql, values = filter_.to_sql() | ||
|
||
self.assertEqual('test_int IN UNNEST(@test_int_in)', sql) | ||
self.assertDictEqual( | ||
{ | ||
'test_int_in': bigquery.ArrayQueryParameter( | ||
'test_int_in', 'INT64', value | ||
) | ||
}, | ||
values, | ||
) | ||
|
||
def test_in_multiple_float(self): | ||
""" | ||
Test that values filtered using the "in" operator convert as expected | ||
""" | ||
value = [1.0, 2.0] | ||
filter_ = GenericBQFilterTest(test_float=GenericBQFilter(in_=value)) | ||
sql, values = filter_.to_sql() | ||
|
||
self.assertEqual('test_float IN UNNEST(@test_float_in)', sql) | ||
self.assertDictEqual( | ||
{ | ||
'test_float_in': bigquery.ArrayQueryParameter( | ||
'test_float_in', 'FLOAT64', value | ||
) | ||
}, | ||
values, | ||
) | ||
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def test_in_multiple_str(self): | ||
""" | ||
Test that values filtered using the "in" operator convert as expected | ||
""" | ||
value = ['A', 'B'] | ||
filter_ = GenericBQFilterTest(test_string=GenericBQFilter(in_=value)) | ||
sql, values = filter_.to_sql() | ||
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self.assertEqual('test_string IN UNNEST(@test_string_in)', sql) | ||
self.assertDictEqual( | ||
{ | ||
'test_string_in': bigquery.ArrayQueryParameter( | ||
'test_string_in', 'STRING', value | ||
) | ||
}, | ||
values, | ||
) | ||
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||
def test_nin_multiple_str(self): | ||
""" | ||
Test that values filtered using the "in" operator convert as expected | ||
""" | ||
value = ['A', 'B'] | ||
filter_ = GenericBQFilterTest(test_string=GenericBQFilter(nin=value)) | ||
sql, values = filter_.to_sql() | ||
|
||
self.assertEqual('test_string NOT IN UNNEST(@test_string_nin)', sql) | ||
self.assertDictEqual( | ||
{ | ||
'test_string_nin': bigquery.ArrayQueryParameter( | ||
'test_string_nin', 'STRING', value | ||
) | ||
}, | ||
values, | ||
) | ||
|
||
def test_in_and_eq_multiple_str(self): | ||
""" | ||
Test that values filtered using the "in" operator convert as expected | ||
""" | ||
value = ['A'] | ||
filter_ = GenericBQFilterTest(test_string=GenericBQFilter(in_=value, eq='B')) | ||
sql, values = filter_.to_sql() | ||
|
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self.assertEqual( | ||
'test_string = @test_string_eq AND test_string = @test_string_in_eq', | ||
sql, | ||
) | ||
self.assertDictEqual( | ||
{ | ||
'test_string_eq': bigquery.ScalarQueryParameter( | ||
'test_string_eq', 'STRING', 'B' | ||
), | ||
'test_string_in_eq': bigquery.ScalarQueryParameter( | ||
'test_string_in_eq', 'STRING', 'A' | ||
), | ||
}, | ||
values, | ||
) | ||
|
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def test_failed_in_multiple_str(self): | ||
""" | ||
Test that values filtered using the "in" operator convert as expected | ||
""" | ||
value = 'Not a list' | ||
filter_ = GenericBQFilterTest(test_string=GenericBQFilter(in_=value)) | ||
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# check if ValueError is raised | ||
with self.assertRaises(ValueError) as context: | ||
filter_.to_sql() | ||
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self.assertTrue('IN filter must be a list' in str(context.exception)) | ||
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def test_failed_not_in_multiple_str(self): | ||
""" | ||
Test that values filtered using the "in" operator convert as expected | ||
""" | ||
value = 'Not a list' | ||
filter_ = GenericBQFilterTest(test_string=GenericBQFilter(nin=value)) | ||
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# check if ValueError is raised | ||
with self.assertRaises(ValueError) as context: | ||
filter_.to_sql() | ||
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self.assertTrue('NIN filter must be a list' in str(context.exception)) | ||
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def test_fail_none_in_tuple(self): | ||
""" | ||
Test that values filtered using the "in" operator convert as expected | ||
""" | ||
value = (None,) | ||
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# check if ValueError is raised | ||
with self.assertRaises(ValueError) as context: | ||
filter_ = GenericBQFilterTest(test_string=value) | ||
filter_.to_sql() | ||
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self.assertTrue( | ||
'There is very likely a trailing comma on the end of ' | ||
'GenericBQFilterTest.test_string. ' | ||
'If you actually want a tuple of length one with the value = (None,), ' | ||
'then use dataclasses.field(default_factory=lambda: (None,))' | ||
in str(context.exception) | ||
) |
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