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Merged
tseaver merged 2 commits into from
Nov 10, 2017
Merged

Add spanner system tests: #4371

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57fd9d8
Add spanner system tests:
tseaver Nov 9, 2017
03304c9
Split up long testcase method.
tseaver Nov 9, 2017
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118 changes: 91 additions & 27 deletions spanner/tests/system/test_system.py
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Original file line number Diff line number Diff line change
Expand Up @@ -399,9 +399,9 @@ class TestSessionAPI(unittest.TestCase, _TestData):
([1], True, BYTES_1, SOME_DATE, 0.0, 19, u'dog', SOME_TIME),
([5, 10], True, BYTES_1, None, 1.25, 99, u'cat', None),
([], False, BYTES_2, None, float('inf'), 107, u'frog', None),
([3, None, 9], False, None, None, float('-inf'), 207, None, None),
([], False, None, None, float('nan'), 1207, None, None),
([], False, None, None, OTHER_NAN, 2000, None, NANO_TIME),
([3, None, 9], False, None, None, float('-inf'), 207, u'bat', None),
([], False, None, None, float('nan'), 1207, u'owl', None),
([], False, None, None, OTHER_NAN, 2000, u'virus', NANO_TIME),
)

@classmethod
Expand Down Expand Up @@ -932,8 +932,9 @@ def test_execute_sql_w_manual_consume(self):
self.assertEqual(streamed._current_row, [])
self.assertEqual(streamed._pending_chunk, None)

def _check_sql_results(self, snapshot, sql, params, param_types, expected):
if 'ORDER' not in sql:
def _check_sql_results(
self, snapshot, sql, params, param_types, expected, order=True):
if order and 'ORDER' not in sql:
sql += ' ORDER BY eye_d'
rows = list(snapshot.execute_sql(
sql, params=params, param_types=param_types))
Expand Down Expand Up @@ -1017,6 +1018,14 @@ def test_execute_sql_w_query_param(self):
expected=[(19,)],
)

self._check_sql_results(
snapshot,
sql='SELECT eye_d FROM all_types WHERE exactly_hwhen = @hwhen',
params={'hwhen': self.SOME_TIME},
param_types={'hwhen': Type(code=TIMESTAMP)},
expected=[(19,)],
)

self._check_sql_results(
snapshot,
sql=('SELECT eye_d FROM all_types WHERE approx_value >= @lower'
Expand All @@ -1027,24 +1036,6 @@ def test_execute_sql_w_query_param(self):
expected=[(None,), (19,)],
)

# Find -inf
self._check_sql_results(
snapshot,
sql='SELECT eye_d FROM all_types WHERE approx_value = @pos_inf',
params={'pos_inf': float('+inf')},
param_types={'pos_inf': Type(code=FLOAT64)},
expected=[(107,)],
)

# Find +inf
self._check_sql_results(
snapshot,
sql='SELECT eye_d FROM all_types WHERE approx_value = @neg_inf',
params={'neg_inf': float('-inf')},
param_types={'neg_inf': Type(code=FLOAT64)},
expected=[(207,)],
)

self._check_sql_results(
snapshot,
sql='SELECT description FROM all_types WHERE eye_d = @my_id',
Expand All @@ -1069,8 +1060,6 @@ def test_execute_sql_w_query_param(self):
expected=[(19,)],
)

# NaNs cannot be searched for by equality.

self._check_sql_results(
snapshot,
sql='SELECT eye_d FROM all_types WHERE exactly_hwhen = @hwhen',
Expand All @@ -1079,16 +1068,91 @@ def test_execute_sql_w_query_param(self):
expected=[(19,)],
)

array_type = Type(code=ARRAY, array_element_type=Type(code=INT64))
int_array_type = Type(code=ARRAY, array_element_type=Type(code=INT64))

self._check_sql_results(
snapshot,
sql=('SELECT description FROM all_types '
'WHERE eye_d in UNNEST(@my_list)'),
params={'my_list': [19, 99]},
param_types={'my_list': array_type},
param_types={'my_list': int_array_type},
expected=[(u'dog',), (u'cat',)],
)

str_array_type = Type(code=ARRAY, array_element_type=Type(code=STRING))

self._check_sql_results(
snapshot,
sql=('SELECT eye_d FROM all_types '
'WHERE description in UNNEST(@my_list)'),
params={'my_list': []},
param_types={'my_list': str_array_type},
expected=[],
)

self._check_sql_results(
snapshot,
sql=('SELECT eye_d FROM all_types '
'WHERE description in UNNEST(@my_list)'),
params={'my_list': [u'dog', u'cat']},
param_types={'my_list': str_array_type},
expected=[(19,), (99,)],
)

self._check_sql_results(
snapshot,
sql='SELECT @v',
params={'v': None},
param_types={'v': Type(code=STRING)},
expected=[(None,)],
order=False,
)

def test_execute_sql_w_query_param_transfinite(self):
session = self._db.session()
session.create()
self.to_delete.append(session)

with session.batch() as batch:
batch.delete(self.ALL_TYPES_TABLE, self.ALL)
batch.insert(
self.ALL_TYPES_TABLE,
self.ALL_TYPES_COLUMNS,
self.ALL_TYPES_ROWDATA)

snapshot = session.snapshot(
read_timestamp=batch.committed, multi_use=True)

# Find -inf
self._check_sql_results(
snapshot,
sql='SELECT eye_d FROM all_types WHERE approx_value = @pos_inf',
params={'pos_inf': float('+inf')},
param_types={'pos_inf': Type(code=FLOAT64)},
expected=[(107,)],
)

# Find +inf
self._check_sql_results(
snapshot,
sql='SELECT eye_d FROM all_types WHERE approx_value = @neg_inf',
params={'neg_inf': float('-inf')},
param_types={'neg_inf': Type(code=FLOAT64)},
expected=[(207,)],
)

rows = list(snapshot.execute_sql(
'SELECT'
' [CAST("-inf" AS FLOAT64),'
' CAST("+inf" AS FLOAT64),'
' CAST("NaN" AS FLOAT64)]'))
self.assertEqual(len(rows), 1)
float_array, = rows[0]
self.assertEqual(float_array[0], float('-inf'))
self.assertEqual(float_array[1], float('+inf'))
# NaNs cannot be searched for by equality.
self.assertTrue(math.isnan(float_array[2]))


class TestStreamingChunking(unittest.TestCase, _TestData):

Expand Down