pytest简易教程(20):跳过用例 - skip、skipif
pytest简易教程汇总,详见:https://www.cnblogs.com/uncleyong/p/17982846
应用场景
1、受限环境,某些用例无法运行
实现方案
1 2 3 | @pytest .mark.skip @pytest .mark.skip(reason = "") @pytest .mark.skipif(condition, reason = "") |
1 2 | pytest.skip(reason = "") pytest.skip(reason = "",allow_module_level = False ) |
skip
无条件跳过,也就是始终跳过该测试用例
源码:
1 2 3 4 5 6 7 8 | class _SkipMarkDecorator(MarkDecorator): @overload # type: ignore[override,misc,no-overload-impl] def __call__( self , arg: Markable) - > Markable: ... @overload def __call__( self , reason: str = ...) - > "MarkDecorator" : ... |
方法:skip(reason=None)
参数:可选参数reason,用于标注跳过的原因,会在测试结果中显示
使用方法:@pytest.mark.skip(reason="xxx")
函数/方法级跳过
示例:无参数reason
1 2 3 4 5 6 7 8 9 10 11 | #!/usr/bin/env python # -*- coding: utf-8 -*- # @Author : 韧 # @wx :ren168632201 # @Blog :https://www.cnblogs.com/uncleyong/ import pytest @pytest.mark.skip def test_case(): print( "代码开发中" ) |
结果:
示例:有参数reason
1 2 3 4 5 6 7 8 9 10 11 | #!/usr/bin/env python # -*- coding: utf-8 -*- # @Author : 韧 # @wx :ren168632201 # @Blog :https://www.cnblogs.com/uncleyong/ import pytest @pytest.mark.skip(reason= "代码开发中" ) def test_case(): print( "---skip" ) |
结果:
函数/方法执行过程中跳过
示例:代码中添加跳过
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | #!/usr/bin/env python # -*- coding: utf-8 -*- # @Author : 韧 # @wx :ren168632201 # @Blog :https://www.cnblogs.com/uncleyong/ import pytest import platform def test_case(): if platform.system() == "Windows" : pytest.skip( "win下跳过" ) print( "---skip" ) else : print( "不跳过" ) |
结果:pytest.skip后面代码没执行
类级跳过
示例:修饰器加在类上
1 2 3 4 5 6 7 8 9 10 11 12 13 14 | #!/usr/bin/env python # -*- coding: utf-8 -*- # @Author : 韧 # @wx :ren168632201 # @Blog :https://www.cnblogs.com/uncleyong/ import pytest @pytest .mark.skip(reason = "代码开发中" ) class TestCase: def test_case1( self ): print ( "test_case1---skip" ) def test_case2( self ): print ( "test_case2---skip" ) |
结果:
模块级跳过
pytest.skip(msg="原因描述", allow_module_level=False)
allow_module_level为True时,跳过当前模块
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 | #!/usr/bin/env python # -*- coding: utf-8 -*- # @Author : 韧 # @wx :ren168632201 # @Blog :https://www.cnblogs.com/uncleyong/ import sys import pytest if sys.platform== "win32" : pytest.skip( 'win中该模块跳过' , allow_module_level=True) class TestCase: def test_case1(self): print( "test_case1---skip" ) def test_case2(self): print( "test_case2---skip" ) def test_case3(): print( "test_case3---skip" ) def test_case4(): print( "test_case4---skip" ) |
结果:
或者:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 | #!/usr/bin/env python # -*- coding: utf-8 -*- # @Author : 韧 # @wx :ren168632201 # @Blog :https://www.cnblogs.com/uncleyong/ import pytest pytestmark = pytest.mark.skip(reason= "win中该模块跳过" ) class TestCase: def test_case1(self): print( "test_case1---skip" ) def test_case2(self): print( "test_case2---skip" ) def test_case3(): print( "test_case3---skip" ) def test_case4(): print( "test_case4---skip" ) |
结果:
skipif
condition条件为True跳过该测试用例
源码:
1 2 3 4 5 6 7 8 | class _SkipifMarkDecorator(MarkDecorator): def __call__( # type: ignore[override] self , condition: Union[ str , bool ] = ..., * conditions: Union[ str , bool ], reason: str = ..., ) - > MarkDecorator: ... |
方法:skipif(condition, reason=None)
参数:
condition:跳过的条件,可选
reason:标注跳过的原因,可选
使用方法:@pytest.mark.skipif(condition, reason="xxx")
函数/方法级跳过
示例:condition和reason都不填
1 2 3 4 5 6 7 8 9 10 11 12 | #!/usr/bin/env python # -*- coding: utf-8 -*- # @Author : 韧 # @wx :ren168632201 # @Blog :https://www.cnblogs.com/uncleyong/ import pytest @pytest.mark.skipif def test_case1(): print( "---skipif" ) assert 1==1 |
结果:
示例:condition和reason都填
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | #!/usr/bin/env python # -*- coding: utf-8 -*- # @Author : 韧 # @wx :ren168632201 # @Blog :https://www.cnblogs.com/uncleyong/ import pytest import sys @pytest .mark.skipif(sys.platform.startswith( "win" ), reason = "win环境中跳过" ) def test_case1(): pass @pytest .mark.skipif(sys.version_info < ( 3 , 9 ), reason = "python3.9以下跳过" ) def test_case2(): pass |
结果:
类级跳过
示例:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | #!/usr/bin/env python # -*- coding: utf-8 -*- # @Author : 韧 # @wx :ren168632201 # @Blog :https://www.cnblogs.com/uncleyong/ import sys import pytest @pytest.mark.skipif(sys.platform.startswith( "win" ), reason= "win环境中跳过" ) class TestCase: def test_case1(self): print( "test_case1---skip" ) def test_case2(self): print( "test_case2---skip" ) def test_case3(): print( "test_case3---skip" ) def test_case4(): print( "test_case4---skip" ) |
结果:
模块级跳过
示例:下面只能是pytestmark,不能改为其它的
1 2 3 4 5 6 7 8 9 10 11 12 13 | #!/usr/bin/env python # -*- coding: utf-8 -*- # @Author : 韧 # @wx :ren168632201 # @Blog :https://www.cnblogs.com/uncleyong/ import sys import pytest pytestmark = pytest.mark.skipif(sys.platform== "win32" , reason= "win中该模块跳过" ) def test_case1(): print( "test_case1---skip" ) def test_case2(): print( "test_case2---skip" ) |
结果:
补充:importorskip
缺少模块或者版本低于参数值就跳过
源码:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 | def importorskip( modname: str , minversion: Optional[ str ] = None , reason: Optional[ str ] = None ) - > Any : """Import and return the requested module ``modname``, or skip the current test if the module cannot be imported. :param modname: The name of the module to import. :param minversion: If given, the imported module's ``__version__`` attribute must be at least this minimal version, otherwise the test is still skipped. :param reason: If given, this reason is shown as the message when the module cannot be imported. :returns: The imported module. This should be assigned to its canonical name. Example:: docutils = pytest.importorskip("docutils") """ import warnings __tracebackhide__ = True compile (modname, " ", " eval ") # to catch syntaxerrors with warnings.catch_warnings(): # Make sure to ignore ImportWarnings that might happen because # of existing directories with the same name we're trying to # import but without a __init__.py file. warnings.simplefilter( "ignore" ) try : __import__ (modname) except ImportError as exc: if reason is None : reason = f "could not import {modname!r}: {exc}" raise Skipped(reason, allow_module_level = True ) from None mod = sys.modules[modname] if minversion is None : return mod verattr = getattr (mod, "__version__" , None ) if minversion is not None : # Imported lazily to improve start-up time. from packaging.version import Version if verattr is None or Version(verattr) < Version(minversion): raise Skipped( f "module {modname!r} has __version__ {verattr!r}, required is: {minversion!r}" , allow_module_level = True , ) return mod |
参数:
modname:模块名
minversion:要求的最低版本
reason:跳过原因
示例一:modname不满足
1 2 3 4 5 6 7 8 9 10 | #!/usr/bin/env python # -*- coding: utf-8 -*- # @Author : 韧 # @wx :ren168632201 # @Blog :https://www.cnblogs.com/uncleyong/ import pytest @pytest .importorskip( "requestsx" , minversion = "2.31.0" ) def test_case(): print ( "---importorskip" ) |
结果:
示例二:minversion不满足
1 2 3 4 5 6 7 8 9 10 | #!/usr/bin/env python # -*- coding: utf-8 -*- # @Author : 韧 # @wx :ren168632201 # @Blog :https://www.cnblogs.com/uncleyong/ import pytest @pytest .importorskip( "requests" , minversion = "2.31.0" ) def test_case(): print ( "---importorskip" ) |
结果:
示例三:modname和minversion都满足
1 2 3 4 5 6 7 8 9 10 | #!/usr/bin/env python # -*- coding: utf-8 -*- # @Author : 韧 # @wx :ren168632201 # @Blog :https://www.cnblogs.com/uncleyong/ import pytest @pytest .importorskip( "requests" , minversion = "2.26.0" ) def test_case(): print ( "---importorskip" ) |
结果:
__EOF__

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