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221 lines
6.5 KiB
Python
221 lines
6.5 KiB
Python
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from .. import fixtures, config
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from ..config import requirements
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from .. import exclusions
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from ..assertions import eq_
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from .. import engines
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from sqlalchemy import Integer, String, select, util, sql, DateTime
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import datetime
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from ..schema import Table, Column
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class RowFetchTest(fixtures.TablesTest):
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__backend__ = True
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@classmethod
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def define_tables(cls, metadata):
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Table('plain_pk', metadata,
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Column('id', Integer, primary_key=True),
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Column('data', String(50))
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)
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Table('has_dates', metadata,
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Column('id', Integer, primary_key=True),
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Column('today', DateTime)
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)
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@classmethod
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def insert_data(cls):
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config.db.execute(
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cls.tables.plain_pk.insert(),
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[
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{"id": 1, "data": "d1"},
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{"id": 2, "data": "d2"},
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{"id": 3, "data": "d3"},
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]
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)
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config.db.execute(
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cls.tables.has_dates.insert(),
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[
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{"id": 1, "today": datetime.datetime(2006, 5, 12, 12, 0, 0)}
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]
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)
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def test_via_string(self):
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row = config.db.execute(
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self.tables.plain_pk.select().\
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order_by(self.tables.plain_pk.c.id)
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).first()
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eq_(
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row['id'], 1
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)
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eq_(
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row['data'], "d1"
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)
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def test_via_int(self):
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row = config.db.execute(
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self.tables.plain_pk.select().\
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order_by(self.tables.plain_pk.c.id)
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).first()
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eq_(
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row[0], 1
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)
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eq_(
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row[1], "d1"
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)
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def test_via_col_object(self):
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row = config.db.execute(
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self.tables.plain_pk.select().\
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order_by(self.tables.plain_pk.c.id)
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).first()
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eq_(
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row[self.tables.plain_pk.c.id], 1
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)
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eq_(
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row[self.tables.plain_pk.c.data], "d1"
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)
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@requirements.duplicate_names_in_cursor_description
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def test_row_with_dupe_names(self):
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result = config.db.execute(
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select([self.tables.plain_pk.c.data,
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self.tables.plain_pk.c.data.label('data')]).\
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order_by(self.tables.plain_pk.c.id)
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)
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row = result.first()
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eq_(result.keys(), ['data', 'data'])
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eq_(row, ('d1', 'd1'))
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def test_row_w_scalar_select(self):
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"""test that a scalar select as a column is returned as such
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and that type conversion works OK.
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(this is half a SQLAlchemy Core test and half to catch database
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backends that may have unusual behavior with scalar selects.)
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"""
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datetable = self.tables.has_dates
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s = select([datetable.alias('x').c.today]).as_scalar()
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s2 = select([datetable.c.id, s.label('somelabel')])
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row = config.db.execute(s2).first()
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eq_(row['somelabel'], datetime.datetime(2006, 5, 12, 12, 0, 0))
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class PercentSchemaNamesTest(fixtures.TablesTest):
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"""tests using percent signs, spaces in table and column names.
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This is a very fringe use case, doesn't work for MySQL
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or Postgresql. the requirement, "percent_schema_names",
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is marked "skip" by default.
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"""
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__requires__ = ('percent_schema_names', )
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__backend__ = True
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@classmethod
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def define_tables(cls, metadata):
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cls.tables.percent_table = Table('percent%table', metadata,
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Column("percent%", Integer),
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Column("spaces % more spaces", Integer),
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)
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cls.tables.lightweight_percent_table = sql.table('percent%table',
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sql.column("percent%"),
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sql.column("spaces % more spaces"),
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)
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def test_single_roundtrip(self):
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percent_table = self.tables.percent_table
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for params in [
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{'percent%': 5, 'spaces % more spaces': 12},
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{'percent%': 7, 'spaces % more spaces': 11},
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{'percent%': 9, 'spaces % more spaces': 10},
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{'percent%': 11, 'spaces % more spaces': 9}
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]:
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config.db.execute(percent_table.insert(), params)
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self._assert_table()
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def test_executemany_roundtrip(self):
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percent_table = self.tables.percent_table
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config.db.execute(
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percent_table.insert(),
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{'percent%': 5, 'spaces % more spaces': 12}
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)
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config.db.execute(
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percent_table.insert(),
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[{'percent%': 7, 'spaces % more spaces': 11},
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{'percent%': 9, 'spaces % more spaces': 10},
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{'percent%': 11, 'spaces % more spaces': 9}]
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)
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self._assert_table()
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def _assert_table(self):
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percent_table = self.tables.percent_table
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lightweight_percent_table = self.tables.lightweight_percent_table
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for table in (
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percent_table,
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percent_table.alias(),
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lightweight_percent_table,
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lightweight_percent_table.alias()):
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eq_(
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list(
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config.db.execute(
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table.select().order_by(table.c['percent%'])
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)
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),
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[
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(5, 12),
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(7, 11),
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(9, 10),
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(11, 9)
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]
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)
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eq_(
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list(
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config.db.execute(
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table.select().
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where(table.c['spaces % more spaces'].in_([9, 10])).
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order_by(table.c['percent%']),
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)
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),
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[
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(9, 10),
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(11, 9)
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]
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)
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row = config.db.execute(table.select().\
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order_by(table.c['percent%'])).first()
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eq_(row['percent%'], 5)
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eq_(row['spaces % more spaces'], 12)
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eq_(row[table.c['percent%']], 5)
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eq_(row[table.c['spaces % more spaces']], 12)
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config.db.execute(
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percent_table.update().values(
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{percent_table.c['spaces % more spaces']: 15}
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)
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)
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eq_(
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list(
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config.db.execute(
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percent_table.\
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select().\
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order_by(percent_table.c['percent%'])
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)
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),
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[(5, 15), (7, 15), (9, 15), (11, 15)]
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)
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