{"id":2870,"date":"2025-05-28T16:51:02","date_gmt":"2025-06-04T09:32:01","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=2870"},"modified":"2025-06-04T16:51:02","modified_gmt":"2025-06-04T09:32:01","slug":"%e4%ba%86%e8%a7%a3python%e4%b8%ad%e7%9a%84assert%e5%8a%9f%e8%83%bd","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/python\/%e4%ba%86%e8%a7%a3python%e4%b8%ad%e7%9a%84assert%e5%8a%9f%e8%83%bd\/","title":{"rendered":"2025 \u6700\u65b0\u7248\uff1a\u6df1\u5165\u4e86\u89e3 Python \u4e2d\u7684 assert \u529f\u80fd\u8207\u6700\u4f73\u5be6\u8e10"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"Python, assert, Python \u6559\u5b78, \u7a0b\u5f0f\u6aa2\u67e5\"><\/p>\n<h1>\u6df1\u5165\u4e86\u89e3 Python \u4e2d\u7684 assert \u529f\u80fd\u8207\u6700\u4f73\u5be6\u8e10<\/h1>\n<p>\u5728 Python \u4e2d\uff0c<strong>assert<\/strong> \u662f\u4e00\u500b\u975e\u5e38\u91cd\u8981\u4e14\u5be6\u7528\u7684\u8a9e\u53e5\uff0c\u7528\u65bc\u6aa2\u67e5\u7a0b\u5f0f\u662f\u5426\u6eff\u8db3\u6307\u5b9a\u7684\u689d\u4ef6\u3002\u4f7f\u7528 assert \u53ef\u4ee5\u5728\u7a0b\u5f0f\u57f7\u884c\u904e\u7a0b\u4e2d\u53ca\u65e9\u6355\u6349\u5230\u554f\u984c\uff0c\u78ba\u4fdd\u7a0b\u5f0f\u7684\u6b63\u78ba\u6027\u548c\u7a69\u5b9a\u6027\u3002<\/p>\n<p>### assert \u8a9e\u53e5\u7684\u8a9e\u6cd5<\/p>\n<p>assert \u8a9e\u53e5\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre class=\"brush: python\">\nassert condition, message\n<\/pre>\n<p>&#8211; **condition**\uff1a\u4e00\u500b\u5e03\u6797\u8868\u9054\u5f0f\uff0c\u7576\u5176\u70ba True \u6642\uff0c\u7a0b\u5f0f\u5c07\u7e7c\u7e8c\u57f7\u884c\uff1b\u7576\u5176\u70ba False \u6642\uff0c\u7a0b\u5f0f\u5c07\u62cb\u51fa AssertionError\uff0c\u4e26\u986f\u793a\u6307\u5b9a\u7684 message\u3002<\/p>\n<p>### \u7c21\u55ae\u7bc4\u4f8b<\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528 assert \u8a9e\u53e5\uff1a<\/p>\n<pre class=\"brush: python\">\nx = 10\nassert x > 0, \"x \u5fc5\u9808\u5927\u65bc 0\"\n<\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u56e0\u70ba x \u7684\u503c\u70ba 10\uff0c\u6eff\u8db3\u689d\u4ef6\uff0c\u6240\u4ee5\u7a0b\u5f0f\u6703\u6b63\u5e38\u57f7\u884c\u3002\u5982\u679c\u5c07 x \u8a2d\u70ba -5\uff0c\u5247\u6703\u62cb\u51fa AssertionError\u3002<\/p>\n<p>### \u6aa2\u67e5\u51fd\u6578\u53c3\u6578\u7684\u7bc4\u4f8b<\/p>\n<p>assert \u8a9e\u53e5\u4e5f\u53ef\u7528\u4f86\u6aa2\u67e5\u51fd\u6578\u7684\u53c3\u6578\u662f\u5426\u7b26\u5408\u9810\u671f\uff1a<\/p>\n<pre class=\"brush: python\">\ndef add(x, y):\n    assert isinstance(x, int) and isinstance(y, int), \"x \u548c y \u5fc5\u9808\u662f\u6574\u6578\"\n    return x + y\n<\/pre>\n<p>\u5728\u9019\u500b\u7bc4\u4f8b\u4e2d\uff0c\u7576\u50b3\u5165\u7684\u53c3\u6578 x \u548c y \u4e0d\u662f\u6574\u6578\u6642\uff0c\u7a0b\u5f0f\u6703\u62cb\u51fa AssertionError\uff0c\u9019\u6a23\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u53ca\u65e9\u767c\u73fe\u932f\u8aa4\u3002<\/p>\n<p>### assert \u8a9e\u53e5\u7684\u512a\u9ede<\/p>\n<p>\u4f7f\u7528 assert \u8a9e\u53e5\u7684\u597d\u8655\u5305\u62ec\uff1a<\/p>\n<p>&#8211; **\u63d0\u9ad8\u7a0b\u5f0f\u7684\u5065\u58ef\u6027**\uff1a\u53ef\u4ee5\u53ca\u65e9\u6aa2\u67e5\u6f5b\u5728\u7684\u932f\u8aa4\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u932f\u8aa4\u50b3\u64ad\u3002<br \/>\n&#8211; **\u7c21\u5316\u9664\u932f\u904e\u7a0b**\uff1a\u7576 assert \u689d\u4ef6\u5931\u6557\u6642\uff0c\u6703\u986f\u793a\u5177\u9ad4\u7684\u932f\u8aa4\u8a0a\u606f\uff0c\u4fbf\u65bc\u5b9a\u4f4d\u554f\u984c\u3002<br \/>\n&#8211; **\u6587\u6a94\u5316\u7a0b\u5f0f\u908f\u8f2f**\uff1aassert \u8a9e\u53e5\u5728\u7a0b\u5f0f\u4e2d\u53ef\u4ee5\u4f5c\u70ba\u6587\u6a94\uff0c\u8b93\u5176\u4ed6\u958b\u767c\u8005\u66f4\u5bb9\u6613\u7406\u89e3\u7a0b\u5f0f\u7684\u908f\u8f2f\u3002<\/p>\n<p>### \u5ef6\u4f38\u61c9\u7528<\/p>\n<p>\u5728\u5be6\u969b\u958b\u767c\u4e2d\uff0cassert \u8a9e\u53e5\u901a\u5e38\u7528\u65bc\u55ae\u5143\u6e2c\u8a66\u548c\u958b\u767c\u968e\u6bb5\u3002\u5efa\u8b70\u5728\u751f\u7522\u74b0\u5883\u4e2d\u95dc\u9589 assert \u8a9e\u53e5\uff0c\u4ee5\u63d0\u9ad8\u6548\u80fd\u3002<\/p>\n<p>\u6b32\u4e86\u89e3\u66f4\u591a Python \u7a0b\u5f0f\u8a2d\u8a08\u7684\u6700\u4f73\u5be6\u8e10\uff0c\u8acb\u53c3\u8003\u6211\u5011\u7684 [Python \u7a0b\u5f0f\u8a2d\u8a08\u5165\u9580\u6559\u5b78](https:\/\/vocus.cc\/article\/60d5c1a4fd89780007f70b6c)\u3002<\/p>\n<p>### \u7e3d\u7d50<\/p>\n<p>Python \u4e2d\u7684 assert \u8a9e\u53e5\u662f\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u6709\u6548\u6aa2\u67e5\u7a0b\u5f0f\u7684\u6b63\u78ba\u6027\u3002\u9069\u7576\u4f7f\u7528 assert\uff0c\u4e0d\u50c5\u80fd\u63d0\u9ad8\u7a0b\u5f0f\u7684\u7a69\u5b9a\u6027\uff0c\u9084\u80fd\u7c21\u5316\u958b\u767c\u904e\u7a0b\uff0c\u662f\u6bcf\u4f4d Python \u958b\u767c\u8005\u5fc5\u5099\u7684\u6280\u80fd\u3002<\/p>\n<p>### Q&#038;A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/p>\n<p>**Q1: assert \u8a9e\u53e5\u5728\u751f\u7522\u74b0\u5883\u4e2d\u61c9\u8a72\u4f7f\u7528\u55ce\uff1f**<br \/>\nA: \u901a\u5e38\u5efa\u8b70\u5728\u751f\u7522\u74b0\u5883\u4e2d\u95dc\u9589 assert \u8a9e\u53e5\uff0c\u56e0\u70ba\u5b83\u53ef\u80fd\u6703\u5f71\u97ff\u6548\u80fd\u3002<\/p>\n<p>**Q2: \u5982\u4f55\u91dd\u5c0d\u4e0d\u540c\u7684\u932f\u8aa4\u985e\u578b\u4f7f\u7528 assert\uff1f**<br \/>\nA: \u60a8\u53ef\u4ee5\u6839\u64da\u4e0d\u540c\u7684\u689d\u4ef6\u4f86\u8a2d\u7f6e\u4e0d\u540c\u7684 assert \u8a9e\u53e5\uff0c\u4e5f\u53ef\u4ee5\u5c07\u5176\u8207\u81ea\u5b9a\u7fa9\u7684\u932f\u8aa4\u985e\u5225\u7d50\u5408\u4f7f\u7528\uff0c\u4ee5\u63d0\u4f9b\u66f4\u5177\u9ad4\u7684\u932f\u8aa4\u8a0a\u606f\u3002<\/p>\n<p>**Q3: assert \u662f\u5426\u53ef\u4ee5\u66ff\u4ee3\u4e00\u822c\u7684\u932f\u8aa4\u8655\u7406\uff1f**<br \/>\nA: assert \u4e0d\u61c9\u66ff\u4ee3\u4e00\u822c\u7684\u932f\u8aa4\u8655\u7406\uff0c\u56e0\u70ba\u5b83\u4e3b\u8981\u7528\u65bc\u6aa2\u67e5\u958b\u767c\u904e\u7a0b\u4e2d\u7684\u908f\u8f2f\u932f\u8aa4\uff0c\u800c\u4e0d\u662f\u7528\u65bc\u7528\u6236\u8f38\u5165\u6216\u5176\u4ed6\u4e0d\u53ef\u9810\u6e2c\u7684\u60c5\u6cc1\u3002<\/p>\n<p>&#8212;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3Python\u4e2dassert\u7684\u529f\u80fd\uff0c\u5b83\u53ef\u4ee5\u7528\u65bc\u6aa2\u67e5\u662f\u5426\u6eff\u8db3\u6307\u5b9a\u7684\u689d\u4ef6\uff0c\u4e26\u70ba\u60a8\u63d0\u4f9b\u66f4\u591a\u7684\u7a0b\u5e8f\u5065\u5168\u6027\u3002\u901a\u904eSEO\u512a\u5316\uff0c\u60a8\u53ef\u4ee5\u66f4\u8f15\u9b06\u5730\u627e\u5230\u6709\u95dcPython\u4e2dassert\u7684\u8a73\u7d30\u4fe1\u606f\u3002<\/p>\n","protected":false},"author":1,"featured_media":2518,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[18],"tags":[15],"class_list":["post-2870","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-python","tag-python"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/badgameshow.com\/steven\/wp-content\/uploads\/2022\/12\/DALL\u00b7E-2022-12-28-14.25.55-\u62f7\u8c9d2.png","jetpack-related-posts":[],"jetpack_shortlink":"https:\/\/wp.me\/pcFK27-Ki","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/2870","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/comments?post=2870"}],"version-history":[{"count":2,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/2870\/revisions"}],"predecessor-version":[{"id":13017,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/2870\/revisions\/13017"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media\/2518"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=2870"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=2870"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=2870"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}