本文整理汇总了Python中testing._chain_decorators_on函数的典型用法代码示例。如果您正苦于以下问题:Python _chain_decorators_on函数的具体用法?Python _chain_decorators_on怎么用?Python _chain_decorators_on使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了_chain_decorators_on函数的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: dbapi_lastrowid
def dbapi_lastrowid(fn):
if util.pypy:
return _chain_decorators_on(
fn,
fails_if(lambda:True)
)
else:
return _chain_decorators_on(
fn,
fails_on_everything_except('mysql+mysqldb', 'mysql+oursql',
'sqlite+pysqlite', 'mysql+pymysql'),
)
示例2: updateable_autoincrement_pks
def updateable_autoincrement_pks(fn):
"""Target must support UPDATE on autoincrement/integer primary key."""
return _chain_decorators_on(
fn,
no_support('mssql', "IDENTITY cols can't be updated"),
no_support('sybase', "IDENTITY cols can't be updated"),
)
示例3: correlated_outer_joins
def correlated_outer_joins(fn):
"""Target must support an outer join to a subquery which correlates to the parent."""
return _chain_decorators_on(
fn,
no_support('oracle', 'Raises "ORA-01799: a column may not be outer-joined to a subquery"')
)
示例4: unicode_connections
def unicode_connections(fn):
"""Target driver must support some encoding of Unicode across the wire."""
# TODO: expand to exclude MySQLdb versions w/ broken unicode
return _chain_decorators_on(
fn,
exclude('mysql', '<', (4, 1, 1), 'no unicode connection support'),
)
示例5: cpython
def cpython(fn):
return _chain_decorators_on(
fn,
skip_if(lambda: util.jython or util.pypy,
"cPython interpreter needed"
)
)
示例6: update_from
def update_from(fn):
"""Target must support UPDATE..FROM syntax"""
return _chain_decorators_on(
fn,
only_on(('postgresql', 'mssql', 'mysql'),
"Backend does not support UPDATE..FROM")
)
示例7: isolation_level
def isolation_level(fn):
return _chain_decorators_on(
fn,
only_on(('postgresql', 'sqlite'), "DBAPI has no isolation level support"),
fails_on('postgresql+pypostgresql',
'pypostgresql bombs on multiple isolation level calls')
)
示例8: boolean_col_expressions
def boolean_col_expressions(fn):
"""Target database must support boolean expressions as columns"""
return _chain_decorators_on(
fn,
no_support("firebird", "not supported by database"),
no_support("oracle", "not supported by database"),
no_support("mssql", "not supported by database"),
)
示例9: unbounded_varchar
def unbounded_varchar(fn):
"""Target database must support VARCHAR with no length"""
return _chain_decorators_on(
fn,
no_support("firebird", "not supported by database"),
no_support("oracle", "not supported by database"),
no_support("mysql", "not supported by database"),
)
示例10: independent_cursors
def independent_cursors(fn):
"""Target must support simultaneous, independent database cursors on a single connection."""
return _chain_decorators_on(
fn,
no_support('mssql+pyodbc', 'no driver support'),
no_support('mssql+mxodbc', 'no driver support'),
)
示例11: python25
def python25(fn):
return _chain_decorators_on(
fn,
skip_if(
lambda: sys.version_info < (2, 5),
"Python version 2.5 or greater is required"
)
)
示例12: schemas
def schemas(fn):
"""Target database must support external schemas, and have one named 'test_schema'."""
return _chain_decorators_on(
fn,
no_support('sqlite', 'no schema support'),
no_support('firebird', 'no schema support')
)
示例13: deferrable_constraints
def deferrable_constraints(fn):
"""Target database must support derferable constraints."""
return _chain_decorators_on(
fn,
no_support("firebird", "not supported by database"),
no_support("mysql", "not supported by database"),
no_support("mssql", "not supported by database"),
)
示例14: except_
def except_(fn):
"""Target database must support EXCEPT or equivlaent (i.e. MINUS)."""
return _chain_decorators_on(
fn,
fails_on('firebird', 'no support for EXCEPT'),
fails_on('mysql', 'no support for EXCEPT'),
fails_on('sybase', 'no support for EXCEPT'),
)
示例15: intersect
def intersect(fn):
"""Target database must support INTERSECT or equivlaent."""
return _chain_decorators_on(
fn,
fails_on('firebird', 'no support for INTERSECT'),
fails_on('mysql', 'no support for INTERSECT'),
fails_on('sybase', 'no support for INTERSECT'),
)