{"id":49990,"date":"2023-05-15T23:36:51","date_gmt":"2023-07-20T21:52:35","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e7%94%a8django%e8%bf%9b%e8%a1%8c%e6%b5%8b%e8%af%95%e9%a9%b1%e5%8a%a8%e5%bc%80%e5%8f%91-%e7%ac%ac3%e9%83%a8%e5%88%86\/"},"modified":"2024-04-30T04:20:36","modified_gmt":"2024-04-29T20:20:36","slug":"%e7%94%a8django%e8%bf%9b%e8%a1%8c%e6%b5%8b%e8%af%95%e9%a9%b1%e5%8a%a8%e5%bc%80%e5%8f%91-%e7%ac%ac3%e9%83%a8%e5%88%86","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e7%94%a8django%e8%bf%9b%e8%a1%8c%e6%b5%8b%e8%af%95%e9%a9%b1%e5%8a%a8%e5%bc%80%e5%8f%91-%e7%ac%ac3%e9%83%a8%e5%88%86\/","title":{"rendered":"\u7528Django\u8fdb\u884c\u6d4b\u8bd5\u9a71\u52a8\u5f00\u53d1 \u7b2c3\u90e8\u5206"},"content":{"rendered":"<h1>\u5728Django\u4e2d\u8fdb\u884c\u6d4b\u8bd5\u9a71\u52a8\u5f00\u53d1\uff0c\u7b2c3\u90e8\u5206<\/h1>\n<p>\u8fd9\u662f\u4e00\u4e2a\u7528\u4e8e\u7406\u89e3Django\u6d4b\u8bd5\u9a71\u52a8\u5f00\u53d1\uff08Test Driven Development\uff0c\u4ee5\u4e0b\u7b80\u79f0TDD\uff09\u7684\u5b66\u4e60\u7b14\u8bb0\u3002<\/p>\n<p>\u6211\u5c06\u53c2\u8003\u300aPython\u7684\u6d4b\u8bd5\u9a71\u52a8\u5f00\u53d1\uff1a\u9075\u4ece\u6d4b\u8bd5\u5c71\u7f8a\uff1a\u4f7f\u7528Django\u3001Selenium\u548cJavaScript(\u82f1\u6587\u7248)\u7b2c\u4e8c\u7248\u300b\u8fd9\u672c\u4e66\u53bb\u7ee7\u7eed\u5b66\u4e60\u3002<\/p>\n<p>\u5728\u672c\u4e66\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528Django1.1\u7cfb\u5217\u548cFireFox\u8fdb\u884c\u529f\u80fd\u6d4b\u8bd5\u7b49\uff0c\u4f46\u672c\u6b21\u5c06\u4f7f\u7528Djagno3\u7cfb\u5217\u548cGoogle Chrome\u8fdb\u884c\u529f\u80fd\u6d4b\u8bd5\u3002\u53e6\u5916\uff0c\u6211\u4eec\u8fdb\u884c\u4e86\u4e00\u4e9b\u4e2a\u4eba\u6539\u52a8\uff0c\u4f8b\u5982\u5c06\u9879\u76ee\u540d\u79f0\u6539\u4e3aConfig\uff0c\u4f46\u6ca1\u6709\u8fdb\u884c\u5927\u7684\u53d8\u66f4\u3002<\/p>\n<p>=&gt;=&gt;\u8bf7\u70b9\u51fb\u6b64\u5904\u67e5\u770b\u7b2c1\u7ae0\u3002<br \/>\n=&gt;=&gt;\u8bf7\u70b9\u51fb\u6b64\u5904\u67e5\u770b\u7b2c2\u7ae0\u3002<\/p>\n<h2>\u7b2c\u4e00\u90e8\u5206\uff1a TDD \u548c Django \u7684\u57fa\u7840\u77e5\u8bc6<\/h2>\n<h3>\u7b2c\u4e09\u7ae0\u3002\u7528\u5355\u5143\u6d4b\u8bd5\u6d4b\u8bd5\u7b80\u5355\u4e3b\u9875\u3002<\/h3>\n<p>\u5728\u7b2c\u4e8c\u7ae0\uff0c\u6211\u4eec\u4f7f\u7528unittest.TestCase\u6765\u7f16\u5199\u529f\u80fd\u6d4b\u8bd5\uff0c\u5e76\u6d4b\u8bd5\u9875\u9762\u6807\u9898\u662f\u5426\u5305\u542b&#8221;To-Do&#8221;\u3002<br \/>\n\u73b0\u5728\uff0c\u6211\u4eec\u8981\u5b9e\u9645\u542f\u52a8\u5e94\u7528\u7a0b\u5e8f\u5e76\u8fdb\u884cTDD\u3002<\/p>\n<h4>\u6211\u4eec\u7684\u7b2c\u4e00\u4e2aDjango\u5e94\u7528\u7a0b\u5e8f\uff0c\u4ee5\u53ca\u6211\u4eec\u7684\u7b2c\u4e00\u4e2a\u5355\u5143\u6d4b\u8bd5<\/h4>\n<p>Django \u8ba9\u6211\u4eec\u53ef\u4ee5\u5728\u4e00\u4e2a\u9879\u76ee\u4e0b\u6784\u5efa\u591a\u4e2a\u5e94\u7528\u7a0b\u5e8f\u3002\u73b0\u5728\uff0c\u8ba9\u6211\u4eec\u7acb\u523b\u5f00\u59cb\u521b\u5efa Django \u5e94\u7528\u7a0b\u5e8f\u3002\u8fd9\u91cc\u6211\u4eec\u5c06\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a lists \u7684\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>python manage.py startapp lists\r\n<\/code><\/pre>\n<h4>\u5355\u5143\u6d4b\u8bd5\u548c\u529f\u80fd\u6d4b\u8bd5\u7684\u533a\u522b<\/h4>\n<p>\u6a5f\u80fd\u6d4b\u8bd5\u662f\u4ece\u5916\u90e8\uff08\u7528\u6237\u7684\u89d2\u5ea6\uff09\u6765\u6d4b\u8bd5\u5e94\u7528\u7a0b\u5e8f\u662f\u5426\u6b63\u5e38\u5de5\u4f5c\uff0c\u800c\u5355\u5143\u6d4b\u8bd5\u5219\u662f\u4ece\u5185\u90e8\uff08\u5f00\u53d1\u8005\u7684\u89d2\u5ea6\uff09\u6d4b\u8bd5\u5e94\u7528\u7a0b\u5e8f\u662f\u5426\u6b63\u5e38\u5de5\u4f5c\u3002<\/p>\n<p>TDD\u8981\u6c42\u8986\u76d6\u529f\u80fd\u6d4b\u8bd5\u548c\u5355\u5143\u6d4b\u8bd5\uff0c\u5e76\u4e14\u5f00\u53d1\u6b65\u9aa4\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<p>\u6b65\u9aa41\uff1a\u64b0\u5199\u529f\u80fd\u6d4b\u8bd5\uff08\u4ece\u7528\u6237\u89d2\u5ea6\u63cf\u8ff0\u65b0\u529f\u80fd\uff09\u3002<\/p>\n<p>\u7b2c\u4e8c\u6b65\u9aa4\uff1a\u5f53\u529f\u80fd\u6d4b\u8bd5\u5931\u8d25\u65f6\uff0c\u601d\u8003\u5982\u4f55\u7f16\u5199\u4ee3\u7801\u624d\u80fd\u8ba9\u6d4b\u8bd5\u901a\u8fc7\uff08\u4e0d\u8981\u76f4\u63a5\u5199\uff09\u3002\u901a\u8fc7\u6dfb\u52a0\u5355\u5143\u6d4b\u8bd5\u6765\u5b9a\u4e49\u6240\u671f\u671b\u4ee3\u7801\u7684\u884c\u4e3a\u65b9\u5f0f\u3002<\/p>\n<p>\u7b2c\u4e09\u6b65\uff1a\u5982\u679c\u5355\u5143\u6d4b\u8bd5\u5931\u8d25\uff0c\u5219\u7f16\u5199\u80fd\u591f\u901a\u8fc7\u5355\u5143\u6d4b\u8bd5\u7684\u6700\u5c0f\u5e94\u7528\u7a0b\u5e8f\u4ee3\u7801\u3002<\/p>\n<p>\u7b2c\u56db\u6b65\uff1a\u91cd\u590d\u6b65\u9aa4\u4e8c\u548c\u6b65\u9aa4\u4e09\uff0c\u6700\u540e\u786e\u8ba4\u529f\u80fd\u6d4b\u8bd5\u662f\u5426\u901a\u8fc7\u3002<\/p>\n<h4>\u5728Django\u4e2d\u8fdb\u884c\u5355\u5143\u6d4b\u8bd5<\/h4>\n<p>\u6211\u4eec\u4f1a\u5c06\u9996\u9875\u89c6\u56fe\u7684\u6d4b\u8bd5\u5199\u5728 lists\/tests.py \u4e2d\u3002\u9996\u5148\u8bf7\u786e\u8ba4\u4e00\u4e0b\u8fd9\u91cc\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\"># lists\/tests.py\r\n<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"nn\">django.test<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">TestCase<\/span>\r\n\r\n<span class=\"c1\"># Create your tests here.\r\n<\/span><\/code><\/pre>\n<p>\u901a\u8fc7\u67e5\u770b\u8fd9\u4e2a\uff0c\u4e86\u89e3\u5230\u4e86\u53ef\u4ee5\u4f7f\u7528Django\u63d0\u4f9b\u7684TestCase\u7c7b\u6765\u7f16\u5199\u5355\u5143\u6d4b\u8bd5\u3002django.test.TestCase\u662f\u6269\u5c55\u4e86\u529f\u80fd\u6d4b\u8bd5\u4e2d\u4f7f\u7528\u7684\u6807\u51c6\u6a21\u5757unittest.TestCase\u7684\u5305\u88c5\u7c7b\u3002\u6211\u4eec\u53ef\u4ee5\u5c1d\u8bd5\u7f16\u5199\u4e00\u4e2a\u5355\u5143\u6d4b\u8bd5\u6765\u9a8c\u8bc1\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\"># lists\/tests.py\r\n<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"nn\">django.test<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">TestCase<\/span>\r\n\r\n\r\n<span class=\"k\">class<\/span> <span class=\"nc\">SmokeTest<\/span><span class=\"p\">(<\/span><span class=\"n\">TestCase<\/span><span class=\"p\">):<\/span>\r\n\r\n    <span class=\"k\">def<\/span> <span class=\"nf\">test_bad_maths<\/span><span class=\"p\">(<\/span><span class=\"bp\">self<\/span><span class=\"p\">):<\/span>\r\n        <span class=\"bp\">self<\/span><span class=\"p\">.<\/span><span class=\"n\">assertEqual<\/span><span class=\"p\">(<\/span><span class=\"mi\">1<\/span> <span class=\"o\">+<\/span> <span class=\"mi\">1<\/span><span class=\"p\">,<\/span> <span class=\"mi\">3<\/span><span class=\"p\">)<\/span>\r\n\r\n<\/code><\/pre>\n<p>\u8ba9\u6211\u4eec\u542f\u52a8Django\u7684\u6d4b\u8bd5\u8fd0\u884c\u5668\uff0c\u5b83\u53ef\u4ee5\u67e5\u627e\u5e76\u6267\u884c\u6bcf\u4e2a\u5e94\u7528\u7a0b\u5e8f\u7684\u6d4b\u8bd5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>python manage.py <span class=\"nb\">test\r\n\r\n<\/span>Creating <span class=\"nb\">test <\/span>database <span class=\"k\">for <\/span><span class=\"nb\">alias<\/span> <span class=\"s1\">'default'<\/span>...\r\nSystem check identified no issues <span class=\"o\">(<\/span>0 silenced<span class=\"o\">)<\/span><span class=\"nb\">.<\/span>\r\nF\r\n<span class=\"o\">======================================================================<\/span>\r\nFAIL: test_bad_maths <span class=\"o\">(<\/span>lists.tests.SmokeTest<span class=\"o\">)<\/span>\r\n<span class=\"nt\">----------------------------------------------------------------------<\/span>\r\nTraceback <span class=\"o\">(<\/span>most recent call last<span class=\"o\">)<\/span>:\r\n  File <span class=\"s2\">\"C:<\/span><span class=\"se\">\\-<\/span><span class=\"s2\">-your_pass--<\/span><span class=\"se\">\\d<\/span><span class=\"s2\">jango-TDD<\/span><span class=\"se\">\\l<\/span><span class=\"s2\">ists<\/span><span class=\"se\">\\t<\/span><span class=\"s2\">ests.py\"<\/span>, line 9, <span class=\"k\">in <\/span>test_bad_maths\r\n    self.assertEqual<span class=\"o\">(<\/span>1 + 1, 3<span class=\"o\">)<\/span>\r\nAssertionError: 2 <span class=\"o\">!=<\/span> 3\r\n\r\n<span class=\"nt\">----------------------------------------------------------------------<\/span>\r\nRan 1 <span class=\"nb\">test <\/span><span class=\"k\">in <\/span>0.005s\r\n\r\nFAILED <span class=\"o\">(<\/span><span class=\"nv\">failures<\/span><span class=\"o\">=<\/span>1<span class=\"o\">)<\/span>\r\nDestroying <span class=\"nb\">test <\/span>database <span class=\"k\">for <\/span><span class=\"nb\">alias<\/span> <span class=\"s1\">'default'<\/span>...\r\n<\/code><\/pre>\n<p>\u6211\u786e\u8ba4\u6267\u884c\u4e86lists\/tests.py\uff0c\u5e76\u4e14\u51fa\u73b0\u4e86\u5931\u8d25\u3002\u6211\u4f1a\u5728\u8fd9\u91cc\u63d0\u4ea4\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>git status\r\n<span class=\"nv\">$ <\/span>git add lists\r\n<span class=\"nv\">$ <\/span>git commit <span class=\"nt\">-m<\/span> <span class=\"s2\">\"Add app for lists, with deliberately failing unit test\"<\/span>\r\n<\/code><\/pre>\n<h4>Django\u7684MVC\u67b6\u6784\uff0cURL\u4ee5\u53ca\u89c6\u56fe\u51fd\u6570<\/h4>\n<p>\u5728 Django \u4e2d\uff0c\u9700\u8981\u5b9a\u4e49 Django \u5e94\u8be5\u5bf9\u7279\u5b9a\u7684 URL \u6267\u884c\u4ec0\u4e48\u64cd\u4f5c\u3002Django \u7684\u5de5\u4f5c\u6d41\u7a0b\u5982\u4e0b\u8ff0\u3002<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5f53HTTP\u8bf7\u6c42\u53d1\u9001\u5230\u7279\u5b9a\u7684URL\u65f6\uff0c<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u6839\u636e\u89c4\u5219\u786e\u5b9a\u5e94\u8be5\u6267\u884c\u54ea\u4e2a\u89c6\u56fe\u6765\u5904\u7406HTTP\u8bf7\u6c42\uff0c<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u89c6\u56fe\u4f1a\u5904\u7406\u8bf7\u6c42\u5e76\u8fd4\u56deHTTP\u54cd\u5e94\u3002<\/ol>\n<p>\u56e0\u6b64\uff0c\u6211\u4eec\u9700\u8981\u505a\u7684\u6709\u4ee5\u4e0b\u4e24\u70b9\u3002<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u80fd\u5426\u89e3\u51b3URL\u548c\u89c6\u56fe\u7684\u5173\u8054\u95ee\u9898\uff08\u89e3\u51b3URL\u7684\u6620\u5c04\u5173\u7cfb\uff09<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u89c6\u56fe\u662f\u5426\u80fd\u591f\u66f4\u6539\u80fd\u901a\u8fc7\u529f\u80fd\u6d4b\u8bd5\u7684HTML<\/ol>\n<p>\u90a3\u4e48\u6211\u4eec\u6253\u5f00 lists\/tests.py \u6587\u4ef6\uff0c\u5e76\u5199\u4e00\u4e9b\u5c0f\u7684\u6d4b\u8bd5\u6848\u4f8b\u8bd5\u8bd5\u770b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\"># lists\/tests.py\r\n<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"nn\">django.urls<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">resolve<\/span>  <span class=\"c1\"># \u8ffd\u52a0\r\n<\/span><span class=\"kn\">from<\/span> <span class=\"nn\">django.test<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">TestCase<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"nn\">lists.views<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">home_page<\/span>  <span class=\"c1\"># \u8ffd\u52a0\r\n<\/span>\r\n<span class=\"k\">class<\/span> <span class=\"nc\">HomePageTest<\/span><span class=\"p\">(<\/span><span class=\"n\">TestCase<\/span><span class=\"p\">):<\/span>\r\n\r\n    <span class=\"k\">def<\/span> <span class=\"nf\">test_root_url_resolve_to_home_page_view<\/span><span class=\"p\">(<\/span><span class=\"bp\">self<\/span><span class=\"p\">):<\/span>\r\n        <span class=\"n\">found<\/span> <span class=\"o\">=<\/span> <span class=\"n\">resolve<\/span><span class=\"p\">(<\/span><span class=\"s\">'\/'<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"bp\">self<\/span><span class=\"p\">.<\/span><span class=\"n\">assertEqual<\/span><span class=\"p\">(<\/span><span class=\"n\">found<\/span><span class=\"p\">.<\/span><span class=\"n\">func<\/span><span class=\"p\">,<\/span> <span class=\"n\">home_page<\/span><span class=\"p\">)<\/span>\r\n\r\n<\/code><\/pre>\n<p>django.urls.resolve\u662fDjango\u7528\u4e8e\u89e3\u6790\u5185\u90e8URL\u7684\u6a21\u5757\u3002<br \/>\nfrom lists.views import home_page\u662f\u5373\u5c06\u7f16\u5199\u7684\u89c6\u56fe\u3002<br \/>\n\u6211\u4eec\u5c06\u5728\u4e0b\u4e00\u6b65\u8fdb\u884c\u6d4b\u8bd5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>python manage.py <span class=\"nb\">test\r\n\r\n<\/span>System check identified no issues <span class=\"o\">(<\/span>0 silenced<span class=\"o\">)<\/span><span class=\"nb\">.<\/span>\r\nE\r\n<span class=\"o\">======================================================================<\/span>\r\nERROR: lists.tests <span class=\"o\">(<\/span>unittest.loader._FailedTest<span class=\"o\">)<\/span>\r\n<span class=\"nt\">----------------------------------------------------------------------<\/span>\r\nImportError: Failed to import <span class=\"nb\">test <\/span>module: lists.tests\r\nTraceback <span class=\"o\">(<\/span>most recent call last<span class=\"o\">)<\/span>:\r\n  File <span class=\"s2\">\"C:<\/span><span class=\"se\">\\-<\/span><span class=\"s2\">-your_user_name--<\/span><span class=\"se\">\\A<\/span><span class=\"s2\">ppData<\/span><span class=\"se\">\\L<\/span><span class=\"s2\">ocal<\/span><span class=\"se\">\\P<\/span><span class=\"s2\">rograms<\/span><span class=\"se\">\\P<\/span><span class=\"s2\">ython<\/span><span class=\"se\">\\P<\/span><span class=\"s2\">ython37<\/span><span class=\"se\">\\l<\/span><span class=\"s2\">ib<\/span><span class=\"se\">\\u<\/span><span class=\"s2\">nittest<\/span><span class=\"se\">\\l<\/span><span class=\"s2\">oader.py\"<\/span>, line 436, <span class=\"k\">in <\/span>_find_test_path\r\n    module <span class=\"o\">=<\/span> self._get_module_from_name<span class=\"o\">(<\/span>name<span class=\"o\">)<\/span>\r\n  File <span class=\"s2\">\"C:<\/span><span class=\"se\">\\-<\/span><span class=\"s2\">-your_user_name--<\/span><span class=\"se\">\\A<\/span><span class=\"s2\">ppData<\/span><span class=\"se\">\\L<\/span><span class=\"s2\">ocal<\/span><span class=\"se\">\\P<\/span><span class=\"s2\">rograms<\/span><span class=\"se\">\\P<\/span><span class=\"s2\">ython<\/span><span class=\"se\">\\P<\/span><span class=\"s2\">ython37<\/span><span class=\"se\">\\l<\/span><span class=\"s2\">ib<\/span><span class=\"se\">\\u<\/span><span class=\"s2\">nittest<\/span><span class=\"se\">\\l<\/span><span class=\"s2\">oader.py\"<\/span>, line 377, <span class=\"k\">in <\/span>_get_module_from_name\r\n    __import__<span class=\"o\">(<\/span>name<span class=\"o\">)<\/span>\r\n  File <span class=\"s2\">\"C:<\/span><span class=\"se\">\\-<\/span><span class=\"s2\">-your_path--<\/span><span class=\"se\">\\d<\/span><span class=\"s2\">jango-TDD<\/span><span class=\"se\">\\l<\/span><span class=\"s2\">ists<\/span><span class=\"se\">\\t<\/span><span class=\"s2\">ests.py\"<\/span>, line 5, <span class=\"k\">in<\/span> &lt;module&gt;\r\n    from lists.views import home_page\r\nImportError: cannot import name <span class=\"s1\">'home_page'<\/span> from <span class=\"s1\">'lists.views'<\/span> <span class=\"o\">(<\/span>C:<span class=\"se\">\\U<\/span>sers<span class=\"se\">\\-<\/span><span class=\"nt\">-your_path--<\/span><span class=\"se\">\\d<\/span>jango-TDD<span class=\"se\">\\l<\/span>ists<span class=\"se\">\\v<\/span>iews.py<span class=\"o\">)<\/span>\r\n\r\n\r\n<span class=\"nt\">----------------------------------------------------------------------<\/span>\r\nRan 1 <span class=\"nb\">test <\/span><span class=\"k\">in <\/span>0.001s\r\n\r\nFAILED <span class=\"o\">(<\/span><span class=\"nv\">errors<\/span><span class=\"o\">=<\/span>1<span class=\"o\">)<\/span>\r\n<\/code><\/pre>\n<p>\u51fa\u73b0\u4e86ImportError\u3002\u67e5\u770b\u5176\u5185\u5bb9\u53ef\u77e5\uff0c\u5b83\u544a\u8bc9\u6211\u4eec\u65e0\u6cd5\u4ecelists.views\u4e2d\u5bfc\u5165home_page\u3002<\/p>\n<p>\u90a3\u4e48\u8ba9\u6211\u4eec\u5c1d\u8bd5\u5728lists.views\u4e2d\u7f16\u5199home_page\u5427\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\"># lists\/views.py\r\n<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"nn\">django.shortcuts<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">render<\/span>\r\n\r\n<span class=\"n\">home_page<\/span> <span class=\"o\">=<\/span> <span class=\"bp\">None<\/span>\r\n<\/code><\/pre>\n<p>\u8fd9\u53ef\u80fd\u542c\u8d77\u6765\u50cf\u662f\u4e00\u4e2a\u73a9\u7b11\uff0c\u4f46\u662f\u8fd9\u5e94\u8be5\u80fd\u89e3\u51b3ImportError\u7684\u95ee\u9898\u3002TDD\u662f\u5199\u51fa\u89e3\u51b3\u9519\u8bef\u7684\u6700\u5c0f\u4ee3\u7801\u7684\u8fc7\u7a0b\uff0c\u8bf7\u56de\u60f3\u8d77\u8fd9\u79cd\u5fc3\u60c5\u3002<\/p>\n<p>\u6211\u5c06\u518d\u6b21\u5c1d\u8bd5\u8fdb\u884c\u6d4b\u8bd5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>python manage.py <span class=\"nb\">test\r\n\r\n<\/span>Creating <span class=\"nb\">test <\/span>database <span class=\"k\">for <\/span><span class=\"nb\">alias<\/span> <span class=\"s1\">'default'<\/span>...\r\nSystem check identified no issues <span class=\"o\">(<\/span>0 silenced<span class=\"o\">)<\/span><span class=\"nb\">.<\/span>\r\nE\r\n<span class=\"o\">======================================================================<\/span>\r\nERROR: test_root_url_resolve_to_home_page_view <span class=\"o\">(<\/span>lists.tests.SmokeTest<span class=\"o\">)<\/span>\r\n<span class=\"nt\">----------------------------------------------------------------------<\/span>\r\nTraceback <span class=\"o\">(<\/span>most recent call last<span class=\"o\">)<\/span>:\r\n  File <span class=\"s2\">\"C:<\/span><span class=\"se\">\\-<\/span><span class=\"s2\">-your_path--<\/span><span class=\"se\">\\d<\/span><span class=\"s2\">jango-TDD<\/span><span class=\"se\">\\l<\/span><span class=\"s2\">ists<\/span><span class=\"se\">\\t<\/span><span class=\"s2\">ests.py\"<\/span>, line 10, <span class=\"k\">in <\/span>test_root_url_resolve_to_home_page_view\r\n    found <span class=\"o\">=<\/span> resolve<span class=\"o\">(<\/span><span class=\"s1\">'\/'<\/span><span class=\"o\">)<\/span>\r\n  File <span class=\"s2\">\"C:<\/span><span class=\"se\">\\-<\/span><span class=\"s2\">-your_path--<\/span><span class=\"se\">\\d<\/span><span class=\"s2\">jango-TDD<\/span><span class=\"se\">\\v<\/span><span class=\"s2\">env-tdd<\/span><span class=\"se\">\\l<\/span><span class=\"s2\">ib<\/span><span class=\"se\">\\s<\/span><span class=\"s2\">ite-packages<\/span><span class=\"se\">\\d<\/span><span class=\"s2\">jango<\/span><span class=\"se\">\\u<\/span><span class=\"s2\">rls<\/span><span class=\"se\">\\b<\/span><span class=\"s2\">ase.py\"<\/span>, line 25, <span class=\"k\">in <\/span>resolve\r\n    <span class=\"k\">return <\/span>get_resolver<span class=\"o\">(<\/span>urlconf<span class=\"o\">)<\/span>.resolve<span class=\"o\">(<\/span>path<span class=\"o\">)<\/span>\r\n  File <span class=\"s2\">\"C:<\/span><span class=\"se\">\\-<\/span><span class=\"s2\">-your_path--<\/span><span class=\"se\">\\d<\/span><span class=\"s2\">jango-TDD<\/span><span class=\"se\">\\v<\/span><span class=\"s2\">env-tdd<\/span><span class=\"se\">\\l<\/span><span class=\"s2\">ib<\/span><span class=\"se\">\\s<\/span><span class=\"s2\">ite-packages<\/span><span class=\"se\">\\d<\/span><span class=\"s2\">jango<\/span><span class=\"se\">\\u<\/span><span class=\"s2\">rls<\/span><span class=\"se\">\\r<\/span><span class=\"s2\">esolvers.py\"<\/span>, line 575, <span class=\"k\">in <\/span>resolve\r\n    raise Resolver404<span class=\"o\">({<\/span><span class=\"s1\">'tried'<\/span>: tried, <span class=\"s1\">'path'<\/span>: new_path<span class=\"o\">})<\/span>\r\ndjango.urls.exceptions.Resolver404: <span class=\"o\">{<\/span><span class=\"s1\">'tried'<\/span>: <span class=\"o\">[[<\/span>&lt;URLResolver &lt;URLPattern list&gt; <span class=\"o\">(<\/span>admin:admin<span class=\"o\">)<\/span> <span class=\"s1\">'admin\/'<\/span><span class=\"o\">&gt;]]<\/span>, <span class=\"s1\">'path'<\/span>: <span class=\"s1\">''<\/span><span class=\"o\">}<\/span>\r\n\r\n<span class=\"nt\">----------------------------------------------------------------------<\/span>\r\nRan 1 <span class=\"nb\">test <\/span><span class=\"k\">in <\/span>0.005s\r\n\r\nFAILED <span class=\"o\">(<\/span><span class=\"nv\">errors<\/span><span class=\"o\">=<\/span>1<span class=\"o\">)<\/span>\r\nDestroying <span class=\"nb\">test <\/span>database <span class=\"k\">for <\/span><span class=\"nb\">alias<\/span> <span class=\"s1\">'default'<\/span>...\r\n\r\n<\/code><\/pre>\n<p>\u867d\u7136ImportError\u95ee\u9898\u5df2\u7ecf\u89e3\u51b3\u4e86\uff0c\u4f46\u6d4b\u8bd5\u53c8\u5931\u8d25\u4e86\u3002\u4ed4\u7ec6\u67e5\u770bTraceback\uff0c\u6211\u4eec\u53d1\u73b0\u5373\u4f7fresolve\u51fd\u6570\u89e3\u51b3\u4e86&#8217;\/&#8217;\u8def\u5f84\uff0cDjango\u4ecd\u7136\u8fd4\u56de404\u9519\u8bef\u3002\u4e5f\u5c31\u662f\u8bf4\uff0cDjango\u4e0d\u80fd\u89e3\u6790&#8217;\/&#8217;\u8def\u5f84\u7684\u610f\u601d\u3002<\/p>\n<h4>urls.py \u7684\u4e2d\u6587\u91ca\u4e49\u662f\u201c\u7f51\u5740.py\u201d\u3002<\/h4>\n<p>Django\u4e2d\u5b58\u5728\u7740\u5c06URL\u4e0e\u89c6\u56fe\u8fdb\u884c\u6620\u5c04\u7684urls.py\u6587\u4ef6\u3002config\/urls.py\u662f\u4e3b\u8981\u7684urls.py\u6587\u4ef6\uff0c\u8bf7\u67e5\u770b\u6b64\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\"># config\/urls.py\r\n<\/span>\r\n<span class=\"s\">\"\"\"config URL Configuration\r\n\r\nThe `urlpatterns` list routes URLs to views. For more information please see:\r\n    https:\/\/docs.djangoproject.com\/en\/3.0\/topics\/http\/urls\/\r\nExamples:\r\nFunction views\r\n    1. Add an import:  from my_app import views\r\n    2. Add a URL to urlpatterns:  path('', views.home, name='home')\r\nClass-based views\r\n    1. Add an import:  from other_app.views import Home\r\n    2. Add a URL to urlpatterns:  path('', Home.as_view(), name='home')\r\nIncluding another URLconf\r\n    1. Import the include() function: from django.urls import include, path\r\n    2. Add a URL to urlpatterns:  path('blog\/', include('blog.urls'))\r\n\"\"\"<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"nn\">django.contrib<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">admin<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"nn\">django.urls<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">path<\/span>\r\n\r\n<span class=\"n\">urlpatterns<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span>\r\n    <span class=\"n\">path<\/span><span class=\"p\">(<\/span><span class=\"s\">'admin\/'<\/span><span class=\"p\">,<\/span> <span class=\"n\">admin<\/span><span class=\"p\">.<\/span><span class=\"n\">site<\/span><span class=\"p\">.<\/span><span class=\"n\">urls<\/span><span class=\"p\">),<\/span>\r\n<span class=\"p\">]<\/span>\r\n\r\n<\/code><\/pre>\n<p>\u5f53\u6211\u786e\u8ba4\u4e86\u5185\u5bb9\u540e\uff0c\u6211\u4f1a\u53c2\u8003\u5199\u6709\u201cconfig URL Configuration\u201d\u7684URL\u6620\u5c04\u65b9\u5f0f\u3002\u8fd9\u6b21\u6211\u4eec\u5c06\u5c1d\u8bd5\u4f7f\u7528\u51fd\u6570\u89c6\u56fe\u7684\u65b9\u5f0f\uff0c\u5c06&#8221;\/&#8221;\u548c&#8221;home_page&#8221;\u7684\u6620\u5c04\u6dfb\u52a0\u5230urlpatterns\u4e2d\u3002\u53e6\u5916\uff0c\u7531\u4e8e\u7ba1\u7406\u5458\u754c\u9762(admin\/)\u8fd8\u6ca1\u6709\u4f7f\u7528\uff0c\u6211\u4f1a\u5c06\u5176\u6ce8\u91ca\u6389\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\"># config\/urls.py\r\n<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"nn\">django.contrib<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">admin<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"nn\">django.urls<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">path<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"nn\">lists<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">views<\/span>\r\n\r\n\r\n<span class=\"n\">urlpatterns<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span>\r\n    <span class=\"c1\"># path('admin\/', admin.site.urls),  # \u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\r\n<\/span>    <span class=\"n\">path<\/span><span class=\"p\">(<\/span><span class=\"s\">''<\/span><span class=\"p\">,<\/span> <span class=\"n\">views<\/span><span class=\"p\">.<\/span><span class=\"n\">home_page<\/span><span class=\"p\">,<\/span> <span class=\"n\">name<\/span><span class=\"o\">=<\/span><span class=\"s\">'home'<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">]<\/span>\r\n<\/code><\/pre>\n<p>\u6211\u4eec\u8fdb\u884c\u4e86\u6620\u5c04\u3002\u6211\u4eec\u8981\u8fdb\u884c\u6d4b\u8bd5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>python manage.py <span class=\"nb\">test<\/span>\r\n<span class=\"o\">[<\/span>...]\r\nTypeError: view must be a callable or a list\/tuple <span class=\"k\">in <\/span>the <span class=\"k\">case<\/span> of include<span class=\"o\">(<\/span><span class=\"p\">)<\/span><span class=\"nb\">.<\/span>\r\n<\/code><\/pre>\n<p>\u7531\u4e8e\u6dfb\u52a0\u4e86URL\u6620\u5c04\uff0c\u89e3\u51b3\u4e86404\u9519\u8bef\uff0c\u4f46\u662f\u51fa\u73b0\u4e86TypeError\u9519\u8bef\u3002<br \/>\n\u6211\u8ba4\u4e3a\u8fd9\u662f\u56e0\u4e3a\u5f53\u4ecelists.view\u8c03\u7528home_page\u65f6\uff0chome_page = None\u6ca1\u6709\u8fd4\u56de\u4efb\u4f55\u5185\u5bb9\u3002<br \/>\n\u8ba9\u6211\u4eec\u7f16\u8f91lists\/views.py\u6765\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\"># lists\/views.py\r\n<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"nn\">django.shortcuts<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">render<\/span>\r\n\r\n<span class=\"k\">def<\/span> <span class=\"nf\">home_page<\/span><span class=\"p\">():<\/span>\r\n    <span class=\"k\">pass<\/span>\r\n<\/code><\/pre>\n<p>\u6211\u4f1a\u8fdb\u884c\u6d4b\u8bd5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>python manage.py <span class=\"nb\">test\r\n\r\n<\/span>Creating <span class=\"nb\">test <\/span>database <span class=\"k\">for <\/span><span class=\"nb\">alias<\/span> <span class=\"s1\">'default'<\/span>...\r\nSystem check identified no issues <span class=\"o\">(<\/span>0 silenced<span class=\"o\">)<\/span><span class=\"nb\">.<\/span>\r\n<span class=\"nb\">.<\/span>\r\n<span class=\"nt\">----------------------------------------------------------------------<\/span>\r\nRan 1 <span class=\"nb\">test <\/span><span class=\"k\">in <\/span>0.003s\r\n\r\nOK\r\nDestroying <span class=\"nb\">test <\/span>database <span class=\"k\">for <\/span><span class=\"nb\">alias<\/span> <span class=\"s1\">'default'<\/span>...\r\n<\/code><\/pre>\n<p>\u6211\u5df2\u901a\u8fc7\u5355\u4f53\u6d4b\u8bd5\uff0c\u73b0\u5728\u6211\u5c06\u63d0\u4ea4\u5b83\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>git add <span class=\"nb\">.<\/span>\r\n<span class=\"nv\">$ <\/span>git status\r\n<span class=\"nv\">$ <\/span>git commit <span class=\"nt\">-m<\/span> <span class=\"s2\">\"First unit test and url mapping, dummy view\"<\/span>\r\n<\/code><\/pre>\n<p>\u4e3a\u4e86\u6d4b\u8bd5\u5f53\u524d\u7684lists\/views.py\u662f\u5426\u5b9e\u9645\u8fd4\u56de\u4e86HTML\uff0c\u6211\u4eec\u5c06\u5bf9lists\/tests.py\u8fdb\u884c\u4fee\u6539\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\"># lists\/tests.py\r\n<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"nn\">django.urls<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">resolve<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"nn\">django.test<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">TestCase<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"nn\">django.http<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">HttpRequest<\/span>\r\n\r\n<span class=\"kn\">from<\/span> <span class=\"nn\">lists.views<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">home_page<\/span>\r\n\r\n\r\n<span class=\"k\">class<\/span> <span class=\"nc\">HomePageTest<\/span><span class=\"p\">(<\/span><span class=\"n\">TestCase<\/span><span class=\"p\">):<\/span>\r\n\r\n    <span class=\"k\">def<\/span> <span class=\"nf\">test_root_url_resolve_to_home_page_view<\/span><span class=\"p\">(<\/span><span class=\"bp\">self<\/span><span class=\"p\">):<\/span>\r\n        <span class=\"n\">found<\/span> <span class=\"o\">=<\/span> <span class=\"n\">resolve<\/span><span class=\"p\">(<\/span><span class=\"s\">'\/'<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"bp\">self<\/span><span class=\"p\">.<\/span><span class=\"n\">assertEqual<\/span><span class=\"p\">(<\/span><span class=\"n\">found<\/span><span class=\"p\">.<\/span><span class=\"n\">func<\/span><span class=\"p\">,<\/span> <span class=\"n\">home_page<\/span><span class=\"p\">)<\/span>\r\n\r\n    <span class=\"k\">def<\/span> <span class=\"nf\">test_home_page_returns_current_html<\/span><span class=\"p\">(<\/span><span class=\"bp\">self<\/span><span class=\"p\">):<\/span>  <span class=\"c1\"># \u8ffd\u52a0\r\n<\/span>        <span class=\"n\">request<\/span> <span class=\"o\">=<\/span> <span class=\"n\">HttpRequest<\/span><span class=\"p\">()<\/span>\r\n        <span class=\"n\">response<\/span> <span class=\"o\">=<\/span> <span class=\"n\">home_page<\/span><span class=\"p\">(<\/span><span class=\"n\">request<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"n\">html<\/span> <span class=\"o\">=<\/span> <span class=\"n\">response<\/span><span class=\"p\">.<\/span><span class=\"n\">content<\/span><span class=\"p\">.<\/span><span class=\"n\">decode<\/span><span class=\"p\">(<\/span><span class=\"s\">'utf8'<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"bp\">self<\/span><span class=\"p\">.<\/span><span class=\"n\">assertTrue<\/span><span class=\"p\">(<\/span><span class=\"n\">html<\/span><span class=\"p\">.<\/span><span class=\"n\">startswith<\/span><span class=\"p\">.(<\/span><span class=\"s\">'&lt;html&gt;'<\/span><span class=\"p\">))<\/span>\r\n        <span class=\"bp\">self<\/span><span class=\"p\">.<\/span><span class=\"n\">assertIn<\/span><span class=\"p\">(<\/span><span class=\"s\">'&lt;title&gt;To-Do lists&lt;\/title&gt;'<\/span><span class=\"p\">,<\/span> <span class=\"n\">html<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"bp\">self<\/span><span class=\"p\">.<\/span><span class=\"n\">assertTrue<\/span><span class=\"p\">(<\/span><span class=\"n\">html<\/span><span class=\"p\">.<\/span><span class=\"n\">endwith<\/span><span class=\"p\">(<\/span><span class=\"s\">'&lt;\/html&gt;'<\/span><span class=\"p\">))<\/span>\r\n<\/code><\/pre>\n<p>\u6d4b\u8bd5test_root_url_resolve_to_home_page_view\u662f\u5426\u80fd\u6b63\u786e\u5730\u8fdb\u884cURL\u6620\u5c04\uff0c<br \/>\n\u6d4b\u8bd5test_home_page_returns_current_html\u662f\u5426\u80fd\u6b63\u786e\u5730\u8fd4\u56deHTML\u3002<br \/>\n\u7531\u4e8e\u6dfb\u52a0\u4e86\u65b0\u7684\u5355\u5143\u6d4b\u8bd5\uff0c\u8ba9\u6211\u4eec\u7acb\u5373\u8fdb\u884c\u6d4b\u8bd5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>python manage.py <span class=\"nb\">test\r\n\r\n<\/span>Creating <span class=\"nb\">test <\/span>database <span class=\"k\">for <\/span><span class=\"nb\">alias<\/span> <span class=\"s1\">'default'<\/span>...\r\nSystem check identified no issues <span class=\"o\">(<\/span>0 silenced<span class=\"o\">)<\/span><span class=\"nb\">.<\/span>\r\nE.\r\n<span class=\"o\">======================================================================<\/span>\r\nERROR: test_home_page_returns_current_html <span class=\"o\">(<\/span>lists.tests.SmokeTest<span class=\"o\">)<\/span>\r\n<span class=\"nt\">----------------------------------------------------------------------<\/span>\r\nTraceback <span class=\"o\">(<\/span>most recent call last<span class=\"o\">)<\/span>:\r\n  File <span class=\"s2\">\"C:<\/span><span class=\"se\">\\-<\/span><span class=\"s2\">-your_path--<\/span><span class=\"se\">\\d<\/span><span class=\"s2\">jango-TDD<\/span><span class=\"se\">\\l<\/span><span class=\"s2\">ists<\/span><span class=\"se\">\\t<\/span><span class=\"s2\">ests.py\"<\/span>, line 18, <span class=\"k\">in <\/span>test_home_page_returns_current_html\r\n    response <span class=\"o\">=<\/span> home_page<span class=\"o\">(<\/span>request<span class=\"o\">)<\/span>\r\nTypeError: home_page<span class=\"o\">()<\/span> takes 0 positional arguments but 1 was given\r\n\r\n<span class=\"nt\">----------------------------------------------------------------------<\/span>\r\nRan 2 tests <span class=\"k\">in <\/span>0.005s\r\n\r\nFAILED <span class=\"o\">(<\/span><span class=\"nv\">errors<\/span><span class=\"o\">=<\/span>1<span class=\"o\">)<\/span>\r\nDestroying <span class=\"nb\">test <\/span>database <span class=\"k\">for <\/span><span class=\"nb\">alias<\/span> <span class=\"s1\">'default'<\/span>...\r\n<\/code><\/pre>\n<p>\u51fa\u73b0\u4e86 TypeError\u3002\u6839\u636e\u786e\u8ba4\u7684\u5185\u5bb9\uff0chome_page() \u7684\u5b9a\u4e49\u4e2d\u6ca1\u6709\u6307\u5b9a\u53c2\u6570\uff080\u4e2a\u4f4d\u7f6e\u53c2\u6570\uff09\uff0c\u4f46\u7ed9\u51fa\u4e86\u4e00\u4e2a\u53c2\u6570\uff081\u4e2a\u53c2\u6570\uff09\u662f\u4e0d\u6b63\u786e\u7684\u3002<\/p>\n<p>\u6240\u4ee5\uff0c\u6211\u60f3\u8981\u4fee\u6539 lists\/views.py \u8fd9\u4e2a\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\"># lists\/views.py\r\n<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"nn\">django.shortcuts<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">render<\/span>\r\n\r\n\r\n<span class=\"k\">def<\/span> <span class=\"nf\">home_page<\/span><span class=\"p\">(<\/span><span class=\"n\">request<\/span><span class=\"p\">):<\/span>  <span class=\"c1\"># \u5909\u66f4\r\n<\/span>    <span class=\"k\">pass<\/span>\r\n<\/code><\/pre>\n<p>\u6211\u5728home_page()\u51fd\u6570\u4e2d\u6dfb\u52a0\u4e86\u53c2\u6570request\u3002\u73b0\u5728\u6211\u6765\u8fdb\u884c\u6d4b\u8bd5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>python manage.py <span class=\"nb\">test\r\n\r\n<\/span>Creating <span class=\"nb\">test <\/span>database <span class=\"k\">for <\/span><span class=\"nb\">alias<\/span> <span class=\"s1\">'default'<\/span>...\r\nSystem check identified no issues <span class=\"o\">(<\/span>0 silenced<span class=\"o\">)<\/span><span class=\"nb\">.<\/span>\r\nE.\r\n<span class=\"o\">======================================================================<\/span>\r\nERROR: test_home_page_returns_current_html <span class=\"o\">(<\/span>lists.tests.SmokeTest<span class=\"o\">)<\/span>\r\n<span class=\"nt\">----------------------------------------------------------------------<\/span>\r\nTraceback <span class=\"o\">(<\/span>most recent call last<span class=\"o\">)<\/span>:\r\n  File <span class=\"s2\">\"C:<\/span><span class=\"se\">\\-<\/span><span class=\"s2\">-your_path--<\/span><span class=\"se\">\\d<\/span><span class=\"s2\">jango-TDD<\/span><span class=\"se\">\\l<\/span><span class=\"s2\">ists<\/span><span class=\"se\">\\t<\/span><span class=\"s2\">ests.py\"<\/span>, line 19, <span class=\"k\">in <\/span>test_home_page_returns_current_html\r\n    html <span class=\"o\">=<\/span> response.content.decode<span class=\"o\">(<\/span><span class=\"s1\">'utf8'<\/span><span class=\"o\">)<\/span>\r\nAttributeError: <span class=\"s1\">'NoneType'<\/span> object has no attribute <span class=\"s1\">'content'<\/span>\r\n\r\n<span class=\"nt\">----------------------------------------------------------------------<\/span>\r\nRan 2 tests <span class=\"k\">in <\/span>0.005s\r\n\r\nFAILED <span class=\"o\">(<\/span><span class=\"nv\">errors<\/span><span class=\"o\">=<\/span>1<span class=\"o\">)<\/span>\r\nDestroying <span class=\"nb\">test <\/span>database <span class=\"k\">for <\/span><span class=\"nb\">alias<\/span> <span class=\"s1\">'default'<\/span>...\r\n<\/code><\/pre>\n<p>TypeError\u5df2\u7ecf\u89e3\u51b3\uff0c\u4f46\u63a5\u4e0b\u6765\u51fa\u73b0\u4e86AttributeError\u3002<br \/>\n\u7531\u4e8e\u51fa\u73b0\u4e86&#8217;NoneType&#8217; object has no attribute &#8216;content&#8217;\u7684\u9519\u8bef\uff0c\u53ef\u4ee5\u63a8\u65adhome_page(request)\u7684\u8fd4\u56de\u503c\u4e3aNone\u662f\u539f\u56e0\u3002<br \/>\n\u6211\u4eec\u9700\u8981\u4fee\u6b63lists\/views.py\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\"># lists\/views.py\r\n<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"nn\">django.shortcuts<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">render<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"nn\">django.http<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">HttpResponse<\/span>  <span class=\"c1\"># \u8ffd\u52a0\r\n<\/span>\r\n\r\n<span class=\"k\">def<\/span> <span class=\"nf\">home_page<\/span><span class=\"p\">(<\/span><span class=\"n\">request<\/span><span class=\"p\">):<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"n\">HttpResponse<\/span><span class=\"p\">()<\/span>\r\n<\/code><\/pre>\n<p>\u6211\u5df2\u7ecf\u4fee\u6b63\u4e3a\u8fd4\u56dedjango.http.HttpResponse\u3002\u73b0\u5728\u8ba9\u6211\u4eec\u8fdb\u884c\u6d4b\u8bd5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>python manage.py <span class=\"nb\">test\r\n\r\n<\/span>Creating <span class=\"nb\">test <\/span>database <span class=\"k\">for <\/span><span class=\"nb\">alias<\/span> <span class=\"s1\">'default'<\/span>...\r\nSystem check identified no issues <span class=\"o\">(<\/span>0 silenced<span class=\"o\">)<\/span><span class=\"nb\">.<\/span>\r\nF.\r\n<span class=\"o\">======================================================================<\/span>\r\nFAIL: test_home_page_returns_current_html <span class=\"o\">(<\/span>lists.tests.SmokeTest<span class=\"o\">)<\/span>\r\n<span class=\"nt\">----------------------------------------------------------------------<\/span>\r\nTraceback <span class=\"o\">(<\/span>most recent call last<span class=\"o\">)<\/span>:\r\n  File <span class=\"s2\">\"C:<\/span><span class=\"se\">\\U<\/span><span class=\"s2\">sers<\/span><span class=\"se\">\\-<\/span><span class=\"s2\">-your_path--<\/span><span class=\"se\">\\d<\/span><span class=\"s2\">jango-TDD<\/span><span class=\"se\">\\l<\/span><span class=\"s2\">ists<\/span><span class=\"se\">\\t<\/span><span class=\"s2\">ests.py\"<\/span>, line 20, <span class=\"k\">in <\/span>test_home_page_returns_current_html\r\n    self.assertTrue<span class=\"o\">(<\/span>html.startswith<span class=\"o\">(<\/span><span class=\"s1\">'&lt;html&gt;'<\/span><span class=\"o\">))<\/span>\r\nAssertionError: False is not <span class=\"nb\">true<\/span>\r\n\r\n<span class=\"nt\">----------------------------------------------------------------------<\/span>\r\nRan 2 tests <span class=\"k\">in <\/span>0.005s\r\n\r\nFAILED <span class=\"o\">(<\/span><span class=\"nv\">failures<\/span><span class=\"o\">=<\/span>1<span class=\"o\">)<\/span>\r\nDestroying <span class=\"nb\">test <\/span>database <span class=\"k\">for <\/span><span class=\"nb\">alias<\/span> <span class=\"s1\">'default'<\/span>...\r\n<\/code><\/pre>\n<p>\u5982\u4e0b\u6240\u793a\u7684 AttributeError \u5df2\u7d93\u88ab\u8655\u7406\uff0c\u4f46\u662f\u767c\u751f\u4e86 AssertionError\u3002\u7531\u65bc html.startwith(&#8221;) \u662f False\uff0c\u6240\u4ee5\u51fa\u73fe\u4e86 &#8220;False is not ture&#8221; \u7684\u8a0a\u606f\u3002\u6211\u5011\u5c07\u4fee\u6b63 lists\/views.py\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\"># lists\/views.py\r\n<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"nn\">django.shortcuts<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">render<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"nn\">django.http<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">HttpResponse<\/span>\r\n\r\n\r\n<span class=\"k\">def<\/span> <span class=\"nf\">home_page<\/span><span class=\"p\">(<\/span><span class=\"n\">request<\/span><span class=\"p\">):<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"n\">HttpResponse<\/span><span class=\"p\">(<\/span><span class=\"s\">'&lt;html&gt;'<\/span><span class=\"p\">)<\/span>  <span class=\"c1\"># \u5909\u66f4\r\n<\/span><\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>python manage.py <span class=\"nb\">test\r\n\r\n<\/span>Creating <span class=\"nb\">test <\/span>database <span class=\"k\">for <\/span><span class=\"nb\">alias<\/span> <span class=\"s1\">'default'<\/span>...\r\nSystem check identified no issues <span class=\"o\">(<\/span>0 silenced<span class=\"o\">)<\/span><span class=\"nb\">.<\/span>\r\nF.\r\n<span class=\"o\">======================================================================<\/span>\r\nFAIL: test_home_page_returns_current_html <span class=\"o\">(<\/span>lists.tests.SmokeTest<span class=\"o\">)<\/span>\r\n<span class=\"nt\">----------------------------------------------------------------------<\/span>\r\nTraceback <span class=\"o\">(<\/span>most recent call last<span class=\"o\">)<\/span>:\r\n  File <span class=\"s2\">\"C:<\/span><span class=\"se\">\\-<\/span><span class=\"s2\">-your_path--<\/span><span class=\"se\">\\d<\/span><span class=\"s2\">jango-TDD<\/span><span class=\"se\">\\l<\/span><span class=\"s2\">ists<\/span><span class=\"se\">\\t<\/span><span class=\"s2\">ests.py\"<\/span>, line 21, <span class=\"k\">in <\/span>test_home_page_returns_current_html\r\n    self.assertIn<span class=\"o\">(<\/span><span class=\"s1\">'&lt;title&gt;To-Do lists&lt;\/title&gt;'<\/span>, html<span class=\"o\">)<\/span>\r\nAssertionError: <span class=\"s1\">'&lt;title&gt;To-Do lists&lt;\/title&gt;'<\/span> not found <span class=\"k\">in<\/span> <span class=\"s1\">'&lt;html&gt;'<\/span>\r\n\r\n<span class=\"nt\">----------------------------------------------------------------------<\/span>\r\nRan 2 tests <span class=\"k\">in <\/span>0.005s\r\n\r\nFAILED <span class=\"o\">(<\/span><span class=\"nv\">failures<\/span><span class=\"o\">=<\/span>1<span class=\"o\">)<\/span>\r\nDestroying <span class=\"nb\">test <\/span>database <span class=\"k\">for <\/span><span class=\"nb\">alias<\/span> <span class=\"s1\">'default'<\/span>...\r\n<\/code><\/pre>\n<p>\u540c\u6837\u7684\u662fAssertionError\u3002\u53d1\u73b0\u65e0\u6cd5\u627e\u5230&#8221;\u3002<br \/>\n\u5c06\u4fee\u6b63lists\/views.py\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\"># lists\/views.py\r\n<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"nn\">django.shortcuts<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">render<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"nn\">django.http<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">HttpResponse<\/span>\r\n\r\n\r\n<span class=\"k\">def<\/span> <span class=\"nf\">home_page<\/span><span class=\"p\">(<\/span><span class=\"n\">request<\/span><span class=\"p\">):<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"n\">HttpResponse<\/span><span class=\"p\">(<\/span><span class=\"s\">'&lt;html&gt;&lt;title&gt;To-Do lists&lt;\/title&gt;'<\/span><span class=\"p\">)<\/span>  <span class=\"c1\"># \u5909\u66f4\r\n<\/span><\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>python manage.py <span class=\"nb\">test\r\n\r\n<\/span>Creating <span class=\"nb\">test <\/span>database <span class=\"k\">for <\/span><span class=\"nb\">alias<\/span> <span class=\"s1\">'default'<\/span>...\r\nSystem check identified no issues <span class=\"o\">(<\/span>0 silenced<span class=\"o\">)<\/span><span class=\"nb\">.<\/span>\r\nF.\r\n<span class=\"o\">======================================================================<\/span>\r\nFAIL: test_home_page_returns_current_html <span class=\"o\">(<\/span>lists.tests.SmokeTest<span class=\"o\">)<\/span>\r\n<span class=\"nt\">----------------------------------------------------------------------<\/span>\r\nTraceback <span class=\"o\">(<\/span>most recent call last<span class=\"o\">)<\/span>:\r\n  File <span class=\"s2\">\"C:<\/span><span class=\"se\">\\-<\/span><span class=\"s2\">-your_path--<\/span><span class=\"se\">\\d<\/span><span class=\"s2\">jango-TDD<\/span><span class=\"se\">\\l<\/span><span class=\"s2\">ists<\/span><span class=\"se\">\\t<\/span><span class=\"s2\">ests.py\"<\/span>, line 22, <span class=\"k\">in <\/span>test_home_page_returns_current_html\r\n    self.assertTrue<span class=\"o\">(<\/span>html.endswith<span class=\"o\">(<\/span><span class=\"s1\">'&lt;\/html&gt;'<\/span><span class=\"o\">))<\/span>\r\nAssertionError: False is not <span class=\"nb\">true<\/span>\r\n\r\n<span class=\"nt\">----------------------------------------------------------------------<\/span>\r\nRan 2 tests <span class=\"k\">in <\/span>0.013s\r\n\r\nFAILED <span class=\"o\">(<\/span><span class=\"nv\">failures<\/span><span class=\"o\">=<\/span>1<span class=\"o\">)<\/span>\r\nDestroying <span class=\"nb\">test <\/span>database <span class=\"k\">for <\/span><span class=\"nb\">alias<\/span> <span class=\"s1\">'default'<\/span>...\r\n<\/code><\/pre>\n<p>\u540c\u6837\u662fAssertionError\u3002\u627e\u4e0d\u5230&#8221;\u3002<br \/>\n\u5c06\u4fee\u6b63lists\/views.py\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\"># lists\/views.py\r\n<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"nn\">django.shortcuts<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">render<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"nn\">django.http<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">HttpResponse<\/span>\r\n\r\n\r\n<span class=\"k\">def<\/span> <span class=\"nf\">home_page<\/span><span class=\"p\">(<\/span><span class=\"n\">request<\/span><span class=\"p\">):<\/span>\r\n    <span class=\"k\">return<\/span> <span class=\"n\">HttpResponse<\/span><span class=\"p\">(<\/span><span class=\"s\">'&lt;html&gt;&lt;title&gt;To-Do lists&lt;\/title&gt;&lt;\/html&gt;'<\/span><span class=\"p\">)<\/span>  <span class=\"c1\"># \u5909\u66f4\r\n<\/span><\/code><\/pre>\n<p>\u5e0c\u671b\u8fd9\u6b21\u7ec8\u4e8e\u80fd\u591f\u6210\u529f\u4e86\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>python manage.py <span class=\"nb\">test\r\n\r\n<\/span>Creating <span class=\"nb\">test <\/span>database <span class=\"k\">for <\/span><span class=\"nb\">alias<\/span> <span class=\"s1\">'default'<\/span>...\r\nSystem check identified no issues <span class=\"o\">(<\/span>0 silenced<span class=\"o\">)<\/span><span class=\"nb\">.<\/span>\r\n..\r\n<span class=\"nt\">----------------------------------------------------------------------<\/span>\r\nRan 2 tests <span class=\"k\">in <\/span>0.004s\r\n\r\nOK\r\nDestroying <span class=\"nb\">test <\/span>database <span class=\"k\">for <\/span><span class=\"nb\">alias<\/span> <span class=\"s1\">'default'<\/span>...\r\n<\/code><\/pre>\n<p>\u6211\u4eec\u6210\u529f\u4e86\u3002\u7531\u4e8e\u901a\u8fc7\u4e86\u5355\u5143\u6d4b\u8bd5\uff0c\u6211\u4eec\u53ef\u4ee5\u542f\u52a8\u5f00\u53d1\u670d\u52a1\u5668\u5e76\u8fdb\u884c\u529f\u80fd\u6d4b\u8bd5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c\"># \u958b\u767a\u30b5\u30fc\u30d0\u30fc\u306e\u7acb\u3061\u4e0a\u3052<\/span>\r\n<span class=\"nv\">$ <\/span>python manage.py runserver\r\n\r\n<span class=\"c\"># \u5225\u306ecmd\u3092\u7acb\u3061\u4e0a\u3052\u3066\u6a5f\u80fd\u30c6\u30b9\u30c8\u3092\u5b9f\u884c<\/span>\r\n<span class=\"nv\">$ <\/span>python functional_tests.py\r\n\r\nDevTools listening on ws:\/\/127.0.0.1:51108\/devtools\/browser\/9d1c6c55-8391-491b-9b14-6130c3314bba\r\nF\r\n<span class=\"o\">======================================================================<\/span>\r\nFAIL: test_can_start_a_list_and_retrieve_it_later <span class=\"o\">(<\/span>__main__.NewVisitorTest<span class=\"o\">)<\/span>\r\n<span class=\"nt\">----------------------------------------------------------------------<\/span>\r\nTraceback <span class=\"o\">(<\/span>most recent call last<span class=\"o\">)<\/span>:\r\n  File <span class=\"s2\">\"functional_tests.py\"<\/span>, line 21, <span class=\"k\">in <\/span>test_can_start_a_list_and_retrieve_it_later\r\n    self.fail<span class=\"o\">(<\/span><span class=\"s1\">'Finish the test!'<\/span><span class=\"o\">)<\/span>\r\nAssertionError: Finish the <span class=\"nb\">test<\/span><span class=\"o\">!<\/span>\r\n\r\n<span class=\"nt\">----------------------------------------------------------------------<\/span>\r\nRan 1 <span class=\"nb\">test <\/span><span class=\"k\">in <\/span>7.244s\r\n\r\nFAILED <span class=\"o\">(<\/span><span class=\"nv\">failures<\/span><span class=\"o\">=<\/span>1<span class=\"o\">)<\/span>\r\n<\/code><\/pre>\n<p>\u6a5f\u80fd\u6d4b\u8bd5\u7684\u7ed3\u679c\u663e\u793a\u4e3aFAILED\uff0c\u4f46\u8fd9\u662f\u56e0\u4e3a\u6211\u4eec\u4f7f\u7528\u4e86unittest.TestCase\u7684.fail\u6765\u6d4b\u8bd5\uff0c\u5e76\u786e\u4fdd\u59cb\u7ec8\u4f1a\u53d1\u751f\u9519\u8bef\u3002<br \/>\n\u56e0\u6b64\uff0c\u6211\u4eec\u53ef\u4ee5\u77e5\u9053\u529f\u80fd\u6d4b\u8bd5\u6210\u529f\u4e86\uff01<\/p>\n<p>\u6211\u4eec\u6765\u63d0\u4ea4\u5427\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>git add <span class=\"nb\">.<\/span>\r\n<span class=\"nv\">$ <\/span>git commit <span class=\"nt\">-m<\/span> <span class=\"s2\">\"Basic view now return minimal HTML\"<\/span>\r\n<\/code><\/pre>\n<h4>\u7b2c\u4e09\u7ae0\u603b\u7ed3<\/h4>\n<p>\u6211\u8981\u786e\u8ba4\u4e00\u4e0b\u6211\u4eec\u5230\u76ee\u524d\u4e3a\u6b62\u6240\u6db5\u76d6\u7684\u5185\u5bb9\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Djagno\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u30b9\u30bf\u30fc\u30c8\u3057\u307e\u3057\u305f\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Django\u306e\u30e6\u30cb\u30c3\u30c8\u30c6\u30b9\u30c8\u30e9\u30f3\u30ca\u30fc\u3092\u4f7f\u3044\u307e\u3057\u305f\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u6a5f\u80fd\u30c6\u30b9\u30c8\u3068\u5358\u4f53\u30c6\u30b9\u30c8\u306e\u9055\u3044\u3092\u7406\u89e3\u3057\u307e\u3057\u305f\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Django\u306erequest\u3068response\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092\u4f7f\u3063\u3066view\u3092\u4f5c\u6210\u3057\u307e\u3057\u305f<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u57fa\u672c\u7684\u306aHTML\u3092\u8fd4\u3057\u307e\u3057\u305f\u3002<\/ul>\n<p>\u53ef\u4ee5\u901a\u8fc7\u8fdb\u884c\u5355\u5143\u6d4b\u8bd5\u548c\u4ee3\u7801\u7684\u8fed\u4ee3\u4fee\u6b63\u5faa\u73af\u6765\u786e\u8ba4\u529f\u80fd\u7684\u521b\u5efa\u8fc7\u7a0b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728Django\u4e2d\u8fdb\u884c\u6d4b\u8bd5\u9a71\u52a8\u5f00\u53d1\uff0c\u7b2c3\u90e8\u5206 \u8fd9\u662f\u4e00\u4e2a\u7528\u4e8e\u7406\u89e3Django\u6d4b\u8bd5\u9a71\u52a8\u5f00\u53d1\uff08Test Driven  [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-49990","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u7528Django\u8fdb\u884c\u6d4b\u8bd5\u9a71\u52a8\u5f00\u53d1 \u7b2c3\u90e8\u5206 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u7528django\u8fdb\u884c\u6d4b\u8bd5\u9a71\u52a8\u5f00\u53d1-\u7b2c3\u90e8\u5206\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u7528Django\u8fdb\u884c\u6d4b\u8bd5\u9a71\u52a8\u5f00\u53d1 \u7b2c3\u90e8\u5206\" \/>\n<meta property=\"og:description\" content=\"\u5728Django\u4e2d\u8fdb\u884c\u6d4b\u8bd5\u9a71\u52a8\u5f00\u53d1\uff0c\u7b2c3\u90e8\u5206 \u8fd9\u662f\u4e00\u4e2a\u7528\u4e8e\u7406\u89e3Django\u6d4b\u8bd5\u9a71\u52a8\u5f00\u53d1\uff08Test Driven [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u7528django\u8fdb\u884c\u6d4b\u8bd5\u9a71\u52a8\u5f00\u53d1-\u7b2c3\u90e8\u5206\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-20T21:52:35+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-29T20:20:36+00:00\" \/>\n<meta name=\"author\" content=\"\u97f5, \u79d1\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" 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