{"id":47868,"date":"2023-12-10T08:05:30","date_gmt":"2023-03-26T13:47:33","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8graphql-ruby%e5%90%8e%e7%9a%84%e6%84%9f%e5%8f%97%e5%92%8c%e5%ad%a6%e5%88%b0%e7%9a%84%e4%b8%9c%e8%a5%bf%e3%80%82\/"},"modified":"2024-05-04T12:54:59","modified_gmt":"2024-05-04T04:54:59","slug":"%e4%bd%bf%e7%94%a8graphql-ruby%e5%90%8e%e7%9a%84%e6%84%9f%e5%8f%97%e5%92%8c%e5%ad%a6%e5%88%b0%e7%9a%84%e4%b8%9c%e8%a5%bf%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8graphql-ruby%e5%90%8e%e7%9a%84%e6%84%9f%e5%8f%97%e5%92%8c%e5%ad%a6%e5%88%b0%e7%9a%84%e4%b8%9c%e8%a5%bf%e3%80%82\/","title":{"rendered":"\u4f7f\u7528graphql-ruby\u540e\u7684\u611f\u53d7\u548c\u5b66\u5230\u7684\u4e1c\u897f"},"content":{"rendered":"

\u597d\u4e45\u4e0d\u89c1\u6211\u6765\u53d1\u5e16\u4e86\u3002<\/p>\n

\u6700\u8fd1\u6211\u5728\u4e1a\u52a1\u4e2d\u5c1d\u8bd5\u4e86\u4f7f\u7528graphql-ruby\uff0c\u5bf9\u6b64\u6709\u4e86\u4e00\u4e9b\u611f\u89e6\u548c\u5b66\u5230\u7684\u4e1c\u897f\uff0c\u6211\u60f3\u603b\u7ed3\u4e00\u4e0b\u3002
\n\u7531\u4e8e\u8fd9\u662f\u6211\u7b2c\u4e00\u6b21\u4f7f\u7528GraphQL\uff0c\u4e00\u5f00\u59cb\u6709\u70b9\u56f0\u60d1\uff0c\u4f46\u662f\u8bd5\u7528\u4e4b\u540e\u89c9\u5f97\u975e\u5e38\u65b9\u4fbf\uff0c\u611f\u89c9\u6709\u5f88\u591a\u597d\u5904\uff0c\u56e0\u6b64\u4ee5\u540e\u5728API\u9009\u62e9\u4e0a\uff0c\u6211\u5e0c\u671bGraphQL\u6210\u4e3a\u9996\u9009\u3002<\/p>\n

\u73af\u5883<\/h1>\n

Ruby 2.5.1
\nGraphQL 1.8.7
\nRuby 2.5.1
\nGraphQL 1.8.7<\/p>\n

\u5b66\u5230\u7684\u77e5\u8bc6\uff0c\u6240\u611f\u53d7\u7684\u3002<\/h1>\n

\u786e\u4fdd\u81ea\u5df1\u80fd\u591f\u6b63\u786e\u9605\u8bfb\u6240\u4f7f\u7528\u7248\u672c\u7684\u6587\u6863\u3002<\/h2>\n

\u5f88\u660e\u663e\u7684\u4e00\u4ef6\u4e8b\u60c5\u662f\uff0c\u8fd9\u975e\u5e38\u91cd\u8981\u3002<\/p>\n

\u987a\u4fbf\u63d0\u4e00\u4e0b\uff0c\u6587\u4ef6\u5728\u8fd9\u91cc\u3002<\/p>\n

\u6211\u4f7f\u7528\u7684\u662f\u6700\u65b0\u7248\u672c\u7684\u300c1.8.7\u300d\uff0c\u8be5\u7248\u672c\u662f\u57282018\u5e748\u6708\u63a8\u51fa\u7684\u3002\u4ece1.8\u7248\u5f00\u59cb\uff0c\u5b83\u8f6c\u53d8\u4e3a\u57fa\u4e8e\u7c7b\u7684API\uff0c\u8fd9\u5bf9\u6211\u6765\u8bf4\u786e\u5b9e\u9020\u6210\u4e86\u4e00\u4e9b\u56f0\u6270\u3002
\n\u987a\u4fbf\u63d0\u4e00\u4e0b\uff0c1.8\u7248\u662f\u57282018\u5e745\u670818\u65e5\u53d1\u5e03\u7684\u3002<\/p>\n

\u5177\u4f53\u6765\u8bf4\uff0c\u5305\u62ecQuery\u548cMutation\u7b49\u7684\u7f16\u5199\u65b9\u5f0f\u6709\u76f8\u5f53\u5927\u7684\u53d8\u5316\u3002<\/p>\n

# 1.7\u4ee5\u524d<\/span>\r\n\r\n## Mutation<\/span>\r\nMutationType<\/span> =<\/span> GraphQL<\/span>::<\/span>ObjectType<\/span>.<\/span>define<\/span> do<\/span>\r\n  name<\/span> \"Mutation\"<\/span>\r\n  field<\/span> :createPost<\/span>,<\/span> types<\/span>.<\/span>Post<\/span> do<\/span>\r\n    resolve<\/span> -><\/span>(<\/span>obj<\/span>,<\/span> args<\/span>,<\/span> ctx<\/span>)<\/span> {<\/span>\r\n      obj<\/span> # => #<Organization id=456 ...><\/span>\r\n      # ...<\/span>\r\n    }<\/span>\r\n  end<\/span>\r\nend<\/span>\r\n\r\n## Schema\u5b9a\u7fa9<\/span>\r\nObjectTypes<\/span>::<\/span>User<\/span> =<\/span> GraphQL<\/span>::<\/span>ObjectType<\/span>.<\/span>define<\/span> do<\/span>\r\n  name<\/span> \"User\"<\/span>\r\n  field<\/span> :id<\/span>,<\/span> !<\/span>types<\/span>.<\/span>ID<\/span>\r\n  field<\/span> :name<\/span>,<\/span> types<\/span>.<\/span>String<\/span>\r\n  field<\/span> :posts<\/span>,<\/span> ObjectTypes<\/span>::<\/span>PostList<\/span> do<\/span>\r\n    resolve<\/span> -><\/span>(<\/span>obj<\/span>,<\/span> args<\/span>,<\/span> ctx<\/span>)<\/span> {<\/span>\r\n      Post<\/span>.<\/span>where<\/span>(<\/span>...<\/span>)<\/span>\r\n    }<\/span>\r\n  end<\/span>\r\nend<\/span>\r\n\r\n<\/code><\/pre>\n
# 1.8\u4ee5\u964d<\/span>\r\n\r\n## Mutation<\/span>\r\nclass<\/span> MutationType<\/span> <<\/span> GraphQL<\/span>::<\/span>Schema<\/span>::<\/span>Object<\/span>\r\n  field<\/span> :create_post<\/span>,<\/span> Post<\/span>,<\/span> null: <\/span>true<\/span>\r\n  def<\/span> create_post<\/span>(<\/span>**<\/span>args<\/span>)<\/span>\r\n    object<\/span> # => #<Organization id=456 ...><\/span>\r\n    # ...<\/span>\r\n  end<\/span>\r\nend<\/span>\r\n\r\n## Schema\u5b9a\u7fa9<\/span>\r\nclass<\/span> UserType<\/span> <<\/span> GraphQL<\/span>::<\/span>Schema<\/span>::<\/span>Object<\/span>\r\n  field<\/span> :posts<\/span>,<\/span> [<\/span>ObjectTypes<\/span>::<\/span>PostType<\/span>],<\/span> null: <\/span>true<\/span>\r\n\r\n  def<\/span> posts<\/span>\r\n    Post<\/span>.<\/span>where<\/span>(<\/span>...<\/span>)<\/span>\r\n  end<\/span>\r\nend<\/span>\r\n\r\n<\/code><\/pre>\n
\u4ec5\u4ec5\u662f\u5347\u7ea7\u4e86\u4e00\u4e2a\u5c0f\u7248\u672c\uff0c\u5374\u53d8\u5316\u5982\u6b64\u4e4b\u5927\u2026\u2026\u987a\u4fbf\u63d0\u4e00\u4e0b\uff0c\u57282018\u5e748\u6708\uff0c\u5e02\u9762\u4e0a\u53d1\u5e03\u7684\u6587\u7ae0\u4ec5\u52301.7\u7248\u672c\uff0c\u5982\u679c\u53c2\u8003\u90a3\u4e9b\u6587\u7ae0\u5c31\u4f1a\u975e\u5e38\u56f0\u60d1\u3002<\/p>\n
\u5f53\u53d1\u73b0\u5728\u6b21\u8981\u7248\u672c\u4e2d\u5b58\u5728\u5982\u6b64\u5927\u7684\u53d8\u66f4\u7684\u4f8b\u5b50\u65f6\uff0c\u53ef\u4ee5\u5f88\u6709\u53ef\u80fd\u57281.9\u7248\u672c\u4e2d\u4e5f\u4f1a\u53d1\u751f\u53d8\u5316\uff0c\u6240\u4ee5\u9605\u8bfb\u4f7f\u7528\u7248\u672c\u7684\u6587\u6863\u975e\u5e38\u91cd\u8981\u3002<\/p>\n
\u7136\u800c\uff0c\u5373\u4f7f\u5728\u6700\u65b0\u7684\u6587\u4ef6\u793a\u4f8b\u4e2d\uff0c\u4e5f\u6709\u96f6\u661f\u51fa\u73b01.7\u7684\u63cf\u8ff0\uff0c\u4f46\u4e5f\u53ef\u80fd\u6ca1\u6709\u3002\u5982\u679c\u60a8\u5bf9\u82f1\u8bed\u6709\u4fe1\u5fc3\uff0c\u6211\u8ba4\u4e3a\u63d0\u4ea4PR\u662f\u53ef\u4ee5\u901a\u8fc7\u7684\u3002<\/p>\n
\u5728Rails\u9879\u76ee\u4e2d\uff0cGraphiQL\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u3002<\/h2>\n
\u8fd9\u5df2\u7ecf\u662f\u5fc5\u987b\u7684\u4e86\u3002
\n\u53ea\u9700\u5b89\u88c5graphiql-rails\uff0c\u5c31\u80fd\u4f7f\u7528Graphiql\uff0c\u4f7f\u5f00\u53d1\u901f\u5ea6\u5927\u5927\u63d0\u5347\u3002
\n\u4ee5\u4e0b\u662fGitHub\u516c\u5f00\u7684Graphiql\u3002\u5c1d\u8bd5\u4f7f\u7528\u540e\uff0c\u4f1a\u66f4\u6e05\u695a\u5b83\u7684\u4fbf\u5229\u4e4b\u5904\u3002<\/p>\n
Graphiql\u7684\u793a\u4f8b\u2192https:\/\/developer.github.com\/v4\/explorer\/<\/p>\n
\u5982\u679c\u4f60\u6253\u7b97\u4f7f\u7528graphql-ruby\u8fdb\u884c\u5f00\u53d1\uff0c\u9996\u5148\u8bf7\u5b89\u88c5grapiql-rails\u3002<\/p>\n
\u5982\u679c\u5e73\u5e38\u5199\u4f5c\u7684\u8bdd\uff0c\u5f88\u5bb9\u6613\u51fa\u73b0N+1\u95ee\u9898\u3002<\/h2>\n
\u6ee1\u5fc3\u5bf9GraphQL\u7684\u4fbf\u5229\u611f\u6b23\u559c\u82e5\u72c2\u65f6\uff0c\u4e0d\u5c0f\u5fc3\u7f16\u5199\u51fa\u4e86\u4e00\u6bb5\u7cdf\u7cd5\u7684\u4ee3\u7801\uff0c\u5bfc\u81f4\u4e86\u4ee5\u4e0b\u95ee\u9898\u7684\u53d1\u751f\u3002\u4f8b\u5982\uff0c\u5f53\u53d1\u9001\u4ee5\u4e0b\u67e5\u8be2\u65f6\uff0c\u5fc5\u7136\u4f1a\u51fa\u73b0N+1\u95ee\u9898\u3002<\/p>\n
{\r\n  user {\r\n    id\r\n    name\r\n    posts {\r\n      edges {\r\n        node {\r\n          id\r\n          title\r\n        }\r\n      }\r\n    }\r\n  }\r\n}\r\n<\/code><\/pre>\n
\u5728\u83b7\u53d6posts\u65f6\uff0c\u53ef\u80fd\u4f1a\u51fa\u73b0N+1\u7684\u60c5\u51b5\u3002<\/p>\n
\u8fd9\u4e2a\u95ee\u9898\u5728\u5f88\u591a\u5730\u65b9\u88ab\u8ba8\u8bba\uff0c\u6709\u4eba\u5efa\u8bae\u4f7f\u7528graphql-batch\uff0c\u6216\u8005\u5728\u67e5\u8be2\u7684\u5b57\u6bb5\u5b9a\u4e49\u4e2d\u4f7f\u7528includes\u7b49\u7b49\u4e0d\u540c\u7684\u65b9\u6cd5\u88ab\u63d0\u51fa\u3002<\/p>\n
Q: \u5982\u4f55\u9632\u6b62N+1\u67e5\u8be2\uff1f
\n\u5728graphql-ruby\u4e2d\u5982\u4f55\u5904\u7406N+1\u67e5\u8be2\uff1f<\/p>\n
\u76ee\u6a19\u3068\u3059\u308b\u6a5f\u80fd\u3092\u6700\u521d\u306b\u5b9f\u88c5\u3057\u3001\u5f8c\u3067\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u8ffd\u52a0\u3059\u308b\u3053\u3068\u306b\u3057\u307e\u3057\u305f\u3002<\/p>\n
    \n
  • \n
      \u78ba\u5b9f\u306bQuery\u3067\u53d6\u5f97\u3059\u308b\u3068\u5206\u304b\u3063\u3066\u3044\u308b\u3082\u306e\u306f\u3001eager_load\u3067\u7d50\u5408\u3059\u308b<\/ul>\n<\/li>\n<\/ul>\n
       <\/p>\n
        \u305d\u308c\u4ee5\u5916\u306e\u3082\u306e\u306f\u3001includes\u3092\u4f7f\u3063\u3066\u3001\u547c\u3073\u51fa\u3055\u308c\u308b\u3068\u304d\u306b\u3001N+1\u304c\u8d77\u304d\u306a\u3044\u3088\u3046\u306b\u3059\u308b<\/ul>\n
        \u6211\u9009\u62e9\u4e86\u8fd9\u79cd\u65b9\u6cd5\u3002\u8fd9\u4e2a\u65b9\u6cd5\u65e2\u80fd\u8282\u7701\u65f6\u95f4\uff0c\u53c8\u80fd\u5927\u5e45\u51cf\u5c11SQL\u67e5\u8be2\u6b21\u6570\u3002\u7279\u522b\u662f\u5728\u5f00\u53d1\u521d\u671f\uff0c\u6211\u4eec\u80fd\u9884\u6d4b\u5230\u6240\u6709\u4f1a\u53d1\u51fa\u7684\u67e5\u8be2\u3002<\/p>\n
        \u6211\u8ba4\u4e3a\u53ef\u80fd\u5728\u53d1\u5e03\u540e\uff0c\u5982\u679c\u53ef\u4ee5\u7684\u8bdd\uff0c\u6211\u60f3\u505a\u4ee5\u4e0b\u7684\u4e8b\u60c5\uff0c\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n
        \u540c\u65f6\u517c\u5177\u7b80\u6d01\u6027\u548c\u6027\u80fd\u7684API\u8bbe\u8ba1\u4e0e\u5b9e\u73b0\u7684\u4e00\u4e2a\u793a\u4f8b<\/p>\n
        \u5c06\u6587\u4ef6\u6309\u7c7b\u578b\u5206\u6210\u4e0d\u540c\u7684\u76ee\u5f55<\/h2>\n
        \u6211\u53c2\u8003\u4e86\u4ee5\u4e0b\u7684\u6587\u7ae0\uff0c\u5e76\u6309\u7167\u76ee\u5f55\u5c06\u6587\u4ef6\u5206\u5f00\u3002<\/p>\n
        \u53c2\u8003\uff1a\u5728\u521b\u5efaRails\u7684GraphQL API\u65f6\uff0c\u6211\u9047\u5230\u4e865\u4e2a\u56f0\u96be\u3002<\/p>\n
        \u516c\u5f0f\u6587\u4ef6\u5efa\u8bae\u521b\u5efa\u4e00\u4e2aBase\u7c7b\uff0c\u4f46\u662f\u6211\u4eec\u5c06\u6240\u6709\u7684Base\u7c7b\u653e\u5728\u4e86type\u76ee\u5f55\u4e0b\u9762\u3002\u7136\u800c\uff0c\u968f\u7740\u6a21\u578b\u6570\u91cf\u7684\u589e\u52a0\uff0c\u4e0d\u540c\u7684\u679a\u4e3e\u7c7b\u578b\u3001\u6807\u91cf\u7c7b\u578b\u548c\u5bf9\u8c61\u7c7b\u578b\u6df7\u5408\u5728\u4e00\u8d77\uff0c\u4f7f\u5f97\u6587\u4ef6\u53d8\u5f97\u6df7\u4e71\u4e0d\u6613\u9605\u8bfb\u3002<\/p>\n
        \u56e0\u6b64\uff0c\u6211\u9884\u5148\u6839\u636e\u7c7b\u578b\u5c06\u76ee\u5f55\u5206\u5f00\u4e86\u3002\u57fa\u672c\u4e0a\uff0c\u6211\u8bd5\u7740\u6309\u7167\u4e0a\u8ff0\u53c2\u8003\u6587\u7ae0\u7684\u65b9\u5f0f\u8fdb\u884c\u4e86\u5206\u7c7b\u3002<\/p>\n
        app\/graphql\/enum_types\/\r\n           \/input_types\/\r\n           \/interface_types\/\r\n           \/mutations\/\r\n           \/object_types\/\r\n           \/scalar_types\/\r\n<\/code><\/pre>\n
        \u51e0\u4e4e\u4e0e\u53c2\u8003\u6587\u7ae0\u4e00\u81f4\uff0c\u53ea\u662f\u5728input_types\u65b9\u9762\uff0c\u4e0d\u4ec5\u8003\u8651\u4e86\u53ef\u91cd\u590d\u4f7f\u7528\u6027\uff0c\u4e5f\u8003\u8651\u4e86\u6613\u8bfb\u6027\uff0c\u6240\u4ee5\u6211\u4eec\u5e0c\u671b\u5c06\u5e0c\u671b\u5728Mutation\u4e2d\u8fdb\u884c\u66f4\u65b0\u7684\u5185\u5bb9\u6574\u7406\u5230InputTypes\u4e2d\uff0c\u5982\u4e0b\u6240\u793a\u3002<\/p>\n
        module<\/span> InputTypes<\/span>\r\n  class<\/span> CourseInputType<\/span> <<\/span> InputTypes<\/span>::<\/span>BaseInputObject<\/span>\r\n    graphql_name<\/span> 'CourseInputType'<\/span>\r\n\r\n    argument<\/span> :name<\/span>,<\/span> String<\/span>,<\/span> required: <\/span>true<\/span>\r\n    argument<\/span> :content<\/span>,<\/span> String<\/span>,<\/span> required: <\/span>true<\/span>\r\n    argument<\/span> :price<\/span>,<\/span> Integer<\/span>,<\/span> required: <\/span>false<\/span>\r\n    #...<\/span>\r\n  end<\/span>\r\nend<\/span>\r\n<\/code><\/pre>\n
        \u5f53\u7136\uff0c\u6211\u4eec\u4e5f\u5728\u8003\u8651\u5230\u53ef\u518d\u5229\u7528\u6027\uff0c\u4f46\u6211\u4e3b\u8981\u662f\u4ee5\u6613\u8bfb\u6027\u4e3a\u8003\u91cf\u6765\u603b\u7ed3\u7684\u3002<\/p>\n
        \u5728\u5904\u7406\u9519\u8bef\u7684\u529f\u80fd\u65b9\u9762<\/h2>\n
        \u5173\u4e8e\u8fd9\u4e2a\u95ee\u9898\uff0c\u610f\u89c1\u53ef\u80fd\u4f1a\u6709\u5206\u6b67\uff0c\u4f46\u6211\u6309\u7167\u5b98\u65b9\u6587\u4ef6\u7684\u89c4\u5b9a\uff0c\u51b3\u5b9a\u8fd4\u56deerrors\u5b57\u6bb5\u3002<\/p>\n
        \u5177\u4f53\u6765\u8bf4\uff0c\u5982\u4e0b\u6240\u8ff0\uff08\u6458\u81ea\u5b98\u65b9\u6587\u4ef6\uff09\u3002<\/p>\n
        def<\/span> resolve<\/span>(<\/span>id<\/span>:,<\/span> attributes<\/span>:)<\/span>\r\n  post<\/span> =<\/span> Post<\/span>.<\/span>find<\/span>(<\/span>id<\/span>)<\/span>\r\n  if<\/span> post<\/span>.<\/span>update<\/span>(<\/span>attributes<\/span>)<\/span>\r\n    {<\/span>\r\n      post: <\/span>post<\/span>,<\/span>\r\n      errors: <\/span>[],<\/span>\r\n    }<\/span>\r\n  else<\/span>\r\n    # Convert Rails model errors into GraphQL-ready error hashes<\/span>\r\n    user_errors<\/span> =<\/span> post<\/span>.<\/span>errors<\/span>.<\/span>map<\/span> do<\/span> |<\/span>attribute<\/span>,<\/span> message<\/span>|<\/span>\r\n      # This is the GraphQL argument which corresponds to the validation error:<\/span>\r\n      path<\/span> =<\/span> [<\/span>\"attributes\"<\/span>,<\/span> attribute<\/span>.<\/span>camelize<\/span>]<\/span>\r\n      {<\/span>\r\n        path: <\/span>path<\/span>,<\/span>\r\n        message: <\/span>message<\/span>,<\/span>\r\n      }<\/span>\r\n    end<\/span>\r\n    {<\/span>\r\n      post: <\/span>post<\/span>,<\/span>\r\n      errors: <\/span>user_errors<\/span>,<\/span>\r\n    }<\/span>\r\n  end<\/span>\r\nend<\/span>\r\n<\/code><\/pre>\n
        \u7531\u4e8eGraphQL\u7684\u7279\u6027\uff0c\u5373\u4f7f\u8fd4\u56de\u9519\u8bef\u4ee3\u7801\uff0c\u4e5f\u65e0\u6cd5\u786e\u5b9a\u9519\u8bef\u53d1\u751f\u7684\u4f4d\u7f6e\uff0c\u56e0\u6b64\u57fa\u672c\u4e0a\u8fd4\u56de200\uff0c\u5e76\u5c06\u9519\u8bef\u5185\u5bb9\u8fd4\u56de\u7ed9errors\u3002\u6211\u4eec\u4e5f\u53c2\u8003\u4e86\u4ee5\u4e0b\u6587\u7ae0\u3002<\/p>\n
        \u5728\u521b\u5efaGraphQL API\u65f6\uff0c\u6211\u9047\u5230\u4e865\u4e2a\u56f0\u60d1\u3002\u53c2\u8003\uff1a\u5728Rails\u4e0a\u521b\u5efaGraphQL API\u65f6\u76845\u4e2a\u7591\u95ee\u3002<\/p>\n
        \u5728\u6bcf\u4e2a\u67e5\u8be2\u548c\u7a81\u53d8\u4e2d\u7f16\u5199\u6d4b\u8bd5\u3002<\/h2>\n
        \u8fd9\u4e2a\u95ee\u9898\u53ef\u80fd\u4f1a\u5f15\u53d1\u5f88\u591a\u4e0d\u540c\u7684\u610f\u89c1\uff0c\u4f46\u662f\u6211\u603b\u7ed3\u51fa\u4e86\u5982\u4e0b\u7684\u7ed3\u8bba\u3002
        \n\u5728\u5b98\u65b9\u6587\u6863\u4e2d\uff0c\u4e5f\u8be6\u7ec6\u8bf4\u660e\u4e86\u5982\u4f55\u7f16\u5199\u89c4\u683c\u8bf4\u660e\u4e66\u3002<\/p>\n
        \u6267\u884cGraphQL\u67e5\u8be2<\/p>\n
        \u6211\u6b63\u5728\u6267\u884cQuery\u6d4b\u8bd5\uff08\u6458\u81ea\u5b98\u65b9\u6587\u6863\uff09\u3002<\/p>\n
        RSpec<\/span>.<\/span>describe<\/span> MySchema<\/span> do<\/span>\r\n  # You can override `context` or `variables` in<\/span>\r\n  # more specific scopes<\/span>\r\n  let<\/span>(<\/span>:context<\/span>)<\/span> {<\/span> {}<\/span> }<\/span>\r\n  let<\/span>(<\/span>:variables<\/span>)<\/span> {<\/span> {}<\/span> }<\/span>\r\n  # Call `result` to execute the query<\/span>\r\n  let<\/span>(<\/span>:result<\/span>)<\/span> {<\/span>\r\n    res<\/span> =<\/span> MySchema<\/span>.<\/span>execute<\/span>(<\/span>\r\n      query_string<\/span>,<\/span>\r\n      context: <\/span>context<\/span>,<\/span>\r\n      variables: <\/span>variables<\/span>\r\n    )<\/span>\r\n    # Print any errors<\/span>\r\n    if<\/span> res<\/span>[<\/span>\"errors\"<\/span>]<\/span>\r\n      pp<\/span> res<\/span>\r\n    end<\/span>\r\n    res<\/span>\r\n  }<\/span>\r\n\r\n  describe<\/span> \"a specific query\"<\/span> do<\/span>\r\n    # provide a query string for `result`<\/span>\r\n    let<\/span>(<\/span>:query_string<\/span>)<\/span> {<\/span> %|{ viewer { name } }|<\/span> }<\/span>\r\n\r\n    context<\/span> \"when there's no current user\"<\/span> do<\/span>\r\n      it<\/span> \"is nil\"<\/span> do<\/span>\r\n        # calling `result` executes the query<\/span>\r\n        expect<\/span>(<\/span>result<\/span>[<\/span>\"data\"<\/span>][<\/span>\"viewer\"<\/span>]).<\/span>to<\/span> eq<\/span>(<\/span>nil<\/span>)<\/span>\r\n      end<\/span>\r\n    end<\/span>\r\n\r\n    context<\/span> \"when there's a current user\"<\/span> do<\/span>\r\n      # override `context`<\/span>\r\n      let<\/span>(<\/span>:context<\/span>)<\/span> {<\/span>\r\n        {<\/span> current_user: <\/span>User<\/span>.<\/span>new<\/span>(<\/span>name: <\/span>\"ABC\"<\/span>)<\/span> }<\/span>\r\n      }<\/span>\r\n      it<\/span> \"shows the user's name\"<\/span> do<\/span>\r\n        user_name<\/span> =<\/span> result<\/span>[<\/span>\"data\"<\/span>][<\/span>\"viewer\"<\/span>][<\/span>\"name\"<\/span>]<\/span>\r\n        expect<\/span>(<\/span>user_name<\/span>).<\/span>to<\/span> eq<\/span>(<\/span>\"ABC\"<\/span>)<\/span>\r\n      end<\/span>\r\n    end<\/span>\r\n  end<\/span>\r\nend<\/span>\r\n<\/code><\/pre>\n
        \u5c06\u9876\u7ea7\u7684describe\u547d\u540d\u4e3a\u67e5\u8be2\u540d\u79f0\uff0c\u5e76\u66f4\u6539\u4e3a\u66f4\u6613\u7406\u89e3\u7684\u540d\u79f0\u3002
        \n\u540c\u65f6\uff0c\u9488\u5bf9\u67e5\u8be2\u548c\u53d8\u66f4\u64cd\u4f5c\u5c06\u6587\u4ef6\u8fdb\u884c\u5206\u79bb\uff0c\u5e76\u6309\u4ee5\u4e0b\u7ed3\u6784\u521b\u5efa\u6587\u4ef6\u3002<\/p>\n
        spec\/request\/graphql\/query\/course_spec.rb\r\n                           user_spec.rb\r\n                    \/mutation\/create_course_spec.rb\r\n                              create_user_spec.rb\r\n<\/code><\/pre>\n
        \u7efc\u8ff0<\/h1>\n
        \u8d77\u521d\u6709\u4e00\u4e9b\u56f0\u60d1\u7684\u5730\u65b9\uff0c\u4f46\u662f\u4e00\u65e6\u5f00\u59cb\u4f7f\u7528\uff0c\u5c31\u4f1a\u53d1\u73b0\u975e\u5e38\u65b9\u4fbf\u3002\u800c\u4e14\u968f\u7740\u719f\u6089\u5f00\u53d1\uff0c\u7531\u4e8egraphiql-rails\u7684\u5e2e\u52a9\uff0c\u901f\u5ea6\u4e5f\u53d8\u5f97\u975e\u5e38\u5feb\u3002<\/p>\n
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        \u6211\u628a\u5b83\u4eec\u4e00\u4e00\u5217\u51fa\uff0c\u5e0c\u671b\u80fd\u5bf9\u4ee5\u540e\u4f7f\u7528graphql-ruby\u8fdb\u884c\u5f00\u53d1\u7684\u4eba\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
        \u597d\u4e45\u4e0d\u89c1\u6211\u6765\u53d1\u5e16\u4e86\u3002 \u6700\u8fd1\u6211\u5728\u4e1a\u52a1\u4e2d\u5c1d\u8bd5\u4e86\u4f7f\u7528graphql-ruby\uff0c\u5bf9\u6b64\u6709\u4e86\u4e00\u4e9b\u611f\u89e6\u548c\u5b66\u5230\u7684\u4e1c\u897f\uff0c\u6211\u60f3\u603b\u7ed3 […]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-47868","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n\u4f7f\u7528graphql-ruby\u540e\u7684\u611f\u53d7\u548c\u5b66\u5230\u7684\u4e1c\u897f - 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\/\u4f7f\u7528graphql-ruby\u540e\u7684\u611f\u53d7\u548c\u5b66\u5230\u7684\u4e1c\u897f\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u4f7f\u7528graphql-ruby\u540e\u7684\u611f\u53d7\u548c\u5b66\u5230\u7684\u4e1c\u897f\" \/>\n<meta property=\"og:description\" content=\"\u597d\u4e45\u4e0d\u89c1\u6211\u6765\u53d1\u5e16\u4e86\u3002 \u6700\u8fd1\u6211\u5728\u4e1a\u52a1\u4e2d\u5c1d\u8bd5\u4e86\u4f7f\u7528graphql-ruby\uff0c\u5bf9\u6b64\u6709\u4e86\u4e00\u4e9b\u611f\u89e6\u548c\u5b66\u5230\u7684\u4e1c\u897f\uff0c\u6211\u60f3\u603b\u7ed3 […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u4f7f\u7528graphql-ruby\u540e\u7684\u611f\u53d7\u548c\u5b66\u5230\u7684\u4e1c\u897f\u3002\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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