mirror of
https://github.com/sqlalchemy/sqlalchemy.git
synced 2026-06-02 13:59:02 -04:00
Lele Gaifax
229 lines
10 KiB
Python
229 lines
10 KiB
Python
import testenv; testenv.configure_for_tests()
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from sqlalchemy import *
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from sqlalchemy.databases import firebird
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from sqlalchemy.exc import ProgrammingError
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from sqlalchemy.sql import table, column
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from testlib import *
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class DomainReflectionTest(TestBase, AssertsExecutionResults):
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"Test Firebird domains"
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__only_on__ = 'firebird'
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def setUpAll(self):
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con = testing.db.connect()
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try:
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con.execute('CREATE DOMAIN int_domain AS INTEGER DEFAULT 42 NOT NULL')
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con.execute('CREATE DOMAIN str_domain AS VARCHAR(255)')
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con.execute('CREATE DOMAIN rem_domain AS BLOB SUB_TYPE TEXT')
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con.execute('CREATE DOMAIN img_domain AS BLOB SUB_TYPE BINARY')
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except ProgrammingError, e:
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if not "attempt to store duplicate value" in str(e):
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raise e
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con.execute('''CREATE GENERATOR gen_testtable_id''')
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con.execute('''CREATE TABLE testtable (question int_domain,
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answer str_domain DEFAULT 'no answer',
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remark rem_domain DEFAULT '',
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photo img_domain,
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d date,
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t time,
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dt timestamp)''')
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con.execute('''ALTER TABLE testtable
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ADD CONSTRAINT testtable_pk PRIMARY KEY (question)''')
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con.execute('''CREATE TRIGGER testtable_autoid FOR testtable
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ACTIVE BEFORE INSERT AS
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BEGIN
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IF (NEW.question IS NULL) THEN
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NEW.question = gen_id(gen_testtable_id, 1);
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END''')
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def tearDownAll(self):
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con = testing.db.connect()
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con.execute('DROP TABLE testtable')
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con.execute('DROP DOMAIN int_domain')
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con.execute('DROP DOMAIN str_domain')
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con.execute('DROP DOMAIN rem_domain')
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con.execute('DROP DOMAIN img_domain')
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con.execute('DROP GENERATOR gen_testtable_id')
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def test_table_is_reflected(self):
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metadata = MetaData(testing.db)
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table = Table('testtable', metadata, autoload=True)
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self.assertEquals(set(table.columns.keys()),
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set(['question', 'answer', 'remark', 'photo', 'd', 't', 'dt']),
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"Columns of reflected table didn't equal expected columns")
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self.assertEquals(table.c.question.primary_key, True)
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self.assertEquals(table.c.question.sequence.name, 'gen_testtable_id')
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self.assertEquals(table.c.question.type.__class__, firebird.FBInteger)
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self.assertEquals(table.c.question.server_default.arg.text, "42")
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self.assertEquals(table.c.answer.type.__class__, firebird.FBString)
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self.assertEquals(table.c.answer.server_default.arg.text, "'no answer'")
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self.assertEquals(table.c.remark.type.__class__, firebird.FBText)
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self.assertEquals(table.c.remark.server_default.arg.text, "''")
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self.assertEquals(table.c.photo.type.__class__, firebird.FBBinary)
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# The following assume a Dialect 3 database
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self.assertEquals(table.c.d.type.__class__, firebird.FBDate)
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self.assertEquals(table.c.t.type.__class__, firebird.FBTime)
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self.assertEquals(table.c.dt.type.__class__, firebird.FBDateTime)
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class CompileTest(TestBase, AssertsCompiledSQL):
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__dialect__ = firebird.FBDialect()
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def test_alias(self):
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t = table('sometable', column('col1'), column('col2'))
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s = select([t.alias()])
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self.assert_compile(s, "SELECT sometable_1.col1, sometable_1.col2 FROM sometable sometable_1")
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def test_function(self):
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self.assert_compile(func.foo(1, 2), "foo(:foo_1, :foo_2)")
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self.assert_compile(func.current_time(), "CURRENT_TIME")
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self.assert_compile(func.foo(), "foo")
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m = MetaData()
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t = Table('sometable', m, Column('col1', Integer), Column('col2', Integer))
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self.assert_compile(select([func.max(t.c.col1)]), "SELECT max(sometable.col1) AS max_1 FROM sometable")
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def test_substring(self):
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self.assert_compile(func.substring('abc', 1, 2), "SUBSTRING(:substring_1 FROM :substring_2 FOR :substring_3)")
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self.assert_compile(func.substring('abc', 1), "SUBSTRING(:substring_1 FROM :substring_2)")
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def test_update_returning(self):
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table1 = table('mytable',
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column('myid', Integer),
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column('name', String(128)),
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column('description', String(128)),
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)
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u = update(table1, values=dict(name='foo'), firebird_returning=[table1.c.myid, table1.c.name])
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self.assert_compile(u, "UPDATE mytable SET name=:name RETURNING mytable.myid, mytable.name")
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u = update(table1, values=dict(name='foo'), firebird_returning=[table1])
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self.assert_compile(u, "UPDATE mytable SET name=:name "\
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"RETURNING mytable.myid, mytable.name, mytable.description")
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u = update(table1, values=dict(name='foo'), firebird_returning=[func.length(table1.c.name)])
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self.assert_compile(u, "UPDATE mytable SET name=:name RETURNING char_length(mytable.name)")
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def test_insert_returning(self):
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table1 = table('mytable',
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column('myid', Integer),
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column('name', String(128)),
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column('description', String(128)),
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)
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i = insert(table1, values=dict(name='foo'), firebird_returning=[table1.c.myid, table1.c.name])
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self.assert_compile(i, "INSERT INTO mytable (name) VALUES (:name) RETURNING mytable.myid, mytable.name")
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i = insert(table1, values=dict(name='foo'), firebird_returning=[table1])
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self.assert_compile(i, "INSERT INTO mytable (name) VALUES (:name) "\
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"RETURNING mytable.myid, mytable.name, mytable.description")
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i = insert(table1, values=dict(name='foo'), firebird_returning=[func.length(table1.c.name)])
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self.assert_compile(i, "INSERT INTO mytable (name) VALUES (:name) RETURNING char_length(mytable.name)")
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class ReturningTest(TestBase, AssertsExecutionResults):
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__only_on__ = 'firebird'
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@testing.exclude('firebird', '<', (2, 1), '2.1+ feature')
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def test_update_returning(self):
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meta = MetaData(testing.db)
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table = Table('tables', meta,
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Column('id', Integer, Sequence('gen_tables_id'), primary_key=True),
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Column('persons', Integer),
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Column('full', Boolean)
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)
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table.create()
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try:
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table.insert().execute([{'persons': 5, 'full': False}, {'persons': 3, 'full': False}])
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result = table.update(table.c.persons > 4, dict(full=True), firebird_returning=[table.c.id]).execute()
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self.assertEqual(result.fetchall(), [(1,)])
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result2 = select([table.c.id, table.c.full]).order_by(table.c.id).execute()
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self.assertEqual(result2.fetchall(), [(1,True),(2,False)])
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finally:
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table.drop()
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@testing.exclude('firebird', '<', (2, 0), '2.0+ feature')
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def test_insert_returning(self):
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meta = MetaData(testing.db)
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table = Table('tables', meta,
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Column('id', Integer, Sequence('gen_tables_id'), primary_key=True),
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Column('persons', Integer),
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Column('full', Boolean)
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)
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table.create()
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try:
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result = table.insert(firebird_returning=[table.c.id]).execute({'persons': 1, 'full': False})
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self.assertEqual(result.fetchall(), [(1,)])
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# Multiple inserts only return the last row
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result2 = table.insert(firebird_returning=[table]).execute(
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[{'persons': 2, 'full': False}, {'persons': 3, 'full': True}])
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self.assertEqual(result2.fetchall(), [(3,3,True)])
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result3 = table.insert(firebird_returning=[table.c.id]).execute({'persons': 4, 'full': False})
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self.assertEqual([dict(row) for row in result3], [{'ID':4}])
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result4 = testing.db.execute('insert into tables (id, persons, "full") values (5, 10, 1) returning persons')
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self.assertEqual([dict(row) for row in result4], [{'PERSONS': 10}])
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finally:
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table.drop()
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@testing.exclude('firebird', '<', (2, 1), '2.1+ feature')
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def test_delete_returning(self):
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meta = MetaData(testing.db)
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table = Table('tables', meta,
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Column('id', Integer, Sequence('gen_tables_id'), primary_key=True),
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Column('persons', Integer),
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Column('full', Boolean)
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)
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table.create()
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try:
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table.insert().execute([{'persons': 5, 'full': False}, {'persons': 3, 'full': False}])
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result = table.delete(table.c.persons > 4, firebird_returning=[table.c.id]).execute()
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self.assertEqual(result.fetchall(), [(1,)])
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result2 = select([table.c.id, table.c.full]).order_by(table.c.id).execute()
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self.assertEqual(result2.fetchall(), [(2,False),])
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finally:
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table.drop()
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class MiscFBTests(TestBase):
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__only_on__ = 'firebird'
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def test_strlen(self):
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# On FB the length() function is implemented by an external
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# UDF, strlen(). Various SA tests fail because they pass a
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# parameter to it, and that does not work (it always results
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# the maximum string length the UDF was declared to accept).
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# This test checks that at least it works ok in other cases.
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meta = MetaData(testing.db)
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t = Table('t1', meta,
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Column('id', Integer, Sequence('t1idseq'), primary_key=True),
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Column('name', String(10))
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)
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meta.create_all()
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try:
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t.insert(values=dict(name='dante')).execute()
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t.insert(values=dict(name='alighieri')).execute()
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select([func.count(t.c.id)],func.length(t.c.name)==5).execute().fetchone()[0] == 1
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finally:
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meta.drop_all()
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def test_server_version_info(self):
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version = testing.db.dialect.server_version_info(testing.db.connect())
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assert len(version) == 3, "Got strange version info: %s" % repr(version)
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if __name__ == '__main__':
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testenv.main()
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