Theassertstatement exists in almost every programming language. It has two main uses: 大多数语言都有assert语句,它起到两个作用: It helps detect problems early in your program, where the cause is clear, rather than later when
用法:assert expression 【,argument】(异常参数可有可无) >>> assert 1 == 0,'one does not equal zero' Traceback (most recent call last): File "<stdin>", line 1, in <module> AssertionError: one does not equal zero --- 在try-except语句中使用assert: >>> try: ... assert 1 == 0...
1 #!/usr/bin/python 2 3 import os 4 5 dir_info = os.listdir('./') 6 assert('config.PNG' in dir_info) 7代码测试,结果如下: GreydeMac-mini:vim greyzhang$ vim assert_demo.py GreydeMac-mini:vim greyzhang$ ls assert_demo.py code_after.PNG code_before.PNG config.PNG GreydeMac-...
assert_not_in(field_tester.fields['non_mutable'],field_tester._dirty_fields)assert_in(field_tester.fields['list_field'],field_tester._dirty_fields)assert_in(field_tester.fields['dict_field'],field_tester._dirty_fields)assert_false(field_tester.fields['non_mutable'].is_set_on(field_tester)...
本文搜集整理了关于python中nosetools assert_in方法/函数的使用示例。Namespace/Package: nosetoolsMethod/Function: assert_in导入包: nosetools每个示例代码都附有代码来源和完整的源代码,希望对您的程序开发有帮助。示例1def find_student_profile_table(step): # pylint: disable=unused-argument # Find the ...