{"id":21767743,"url":"https://github.com/navinpeiris/mimic-elixir-1.17-issue","last_synced_at":"2025-03-21T05:43:02.440Z","repository":{"id":244432714,"uuid":"815230976","full_name":"navinpeiris/mimic-elixir-1.17-issue","owner":"navinpeiris","description":"Sample project to reproduce an issue with Mimic causing a runtime exception to be thrown in Elixir 1.17","archived":false,"fork":false,"pushed_at":"2024-06-23T03:47:57.000Z","size":9,"stargazers_count":0,"open_issues_count":0,"forks_count":0,"subscribers_count":1,"default_branch":"main","last_synced_at":"2025-01-26T02:40:02.828Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":null,"language":"Elixir","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/navinpeiris.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2024-06-14T16:31:05.000Z","updated_at":"2024-06-23T03:48:00.000Z","dependencies_parsed_at":"2024-06-14T18:12:44.286Z","dependency_job_id":null,"html_url":"https://github.com/navinpeiris/mimic-elixir-1.17-issue","commit_stats":null,"previous_names":["navinpeiris/mimic-elixir-1.17-issue"],"tags_count":0,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/navinpeiris%2Fmimic-elixir-1.17-issue","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/navinpeiris%2Fmimic-elixir-1.17-issue/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/navinpeiris%2Fmimic-elixir-1.17-issue/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/navinpeiris%2Fmimic-elixir-1.17-issue/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/navinpeiris","download_url":"https://codeload.github.com/navinpeiris/mimic-elixir-1.17-issue/tar.gz/refs/heads/main","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":244745715,"owners_count":20503048,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":[],"created_at":"2024-11-26T13:29:49.934Z","updated_at":"2025-03-21T05:43:02.417Z","avatar_url":"https://github.com/navinpeiris.png","language":"Elixir","funding_links":[],"categories":[],"sub_categories":[],"readme":"# Mix test runtime exception caused by Mimic on Elixir 1.17\n\nThis project tries to recreate a runtime exception that happens when using Mimic with Elixir 1.17 and OTP 27.\n\nSee `test/hello_world_test.exs` for the test that reproduces the error.\n\nYou might need to run `mix test` a few times to reproduce the error.\n\n### Elixir/OTP version\n\n```\nErlang/OTP 27 [erts-15.0] [source] [64-bit] [smp:16:16] [ds:16:16:10] [async-threads:1]\n\nElixir 1.17.0 (compiled with Erlang/OTP 27)\n```\n\n### OS\n\n```\nMacOS Sonoma 14.5 (Intel)\n```\n\n### The error\n\n```\n** (EXIT from #PID\u003c0.94.0\u003e) an exception was raised:\n    ** (RuntimeError) found error while checking types for HelloWorldTest.\"test test today 353\"/1:\n\n** (Protocol.UndefinedError) protocol Enumerable not implemented for nil of type Atom. This protocol is implemented for the following type(s): Date.Range, File.Stream, Function, GenEvent.Stream, HashDict, HashSet, IO.Stream, Jason.OrderedObject, List, Map, MapSet, Range, Stream\nThe exception happened while checking this code:\n\ndef test test today 353(_) do\n  (\n    Mimic.expect(Date, :utc_today, 10, fn -\u003e\n      %Date{calendar: Calendar.ISO, year: 2024, month: 3, day: 1}\n    end)\n\n    (\n      left = Date.utc_today()\n      right = %{__struct__: Date, calendar: Calendar.ISO, year: 2024, month: 3, day: 1}\n\n      ExUnit.Assertions.assert(:erlang.==(left, right),\n        left: left,\n        right: right,\n        expr:\n          {:assert, [line: 10],\n           [\n             {:==, [line: 10],\n              [\n                {{:., [line: 10], [{:__aliases__, [line: 10], [:Date]}, :utc_today]}, [line: 10],\n                 []},\n                {:sigil_D, [line: 10], [{:\u003c\u003c\u003e\u003e, [line: 10], [\"2024-03-01\"]}, []]}\n              ]}\n           ]},\n        message: \"Assertion with == failed\",\n        context: :==\n      )\n    )\n\n    (\n      left = Date.utc_today()\n      right = %{__struct__: Date, calendar: Calendar.ISO, year: 2024, month: 3, day: 1}\n\n      ExUnit.Assertions.assert(:erlang.==(left, right),\n        left: left,\n        right: right,\n        expr:\n          {:assert, [line: 11],\n           [\n             {:==, [line: 11],\n              [\n                {{:., [line: 11], [{:__aliases__, [line: 11], [:Date]}, :utc_today]}, [line: 11],\n                 []},\n                {:sigil_D, [line: 11], [{:\u003c\u003c\u003e\u003e, [line: 11], [\"2024-03-01\"]}, []]}\n              ]}\n           ]},\n        message: \"Assertion with == failed\",\n        context: :==\n      )\n    )\n\n    (\n      left = Date.utc_today()\n      right = %{__struct__: Date, calendar: Calendar.ISO, year: 2024, month: 3, day: 1}\n\n      ExUnit.Assertions.assert(:erlang.==(left, right),\n        left: left,\n        right: right,\n        expr:\n          {:assert, [line: 12],\n           [\n             {:==, [line: 12],\n              [\n                {{:., [line: 12], [{:__aliases__, [line: 12], [:Date]}, :utc_today]}, [line: 12],\n                 []},\n                {:sigil_D, [line: 12], [{:\u003c\u003c\u003e\u003e, [line: 12], [\"2024-03-01\"]}, []]}\n              ]}\n           ]},\n        message: \"Assertion with == failed\",\n        context: :==\n      )\n    )\n\n    (\n      left = Date.utc_today()\n      right = %{__struct__: Date, calendar: Calendar.ISO, year: 2024, month: 3, day: 1}\n\n      ExUnit.Assertions.assert(:erlang.==(left, right),\n        left: left,\n        right: right,\n        expr:\n          {:assert, [line: 13],\n           [\n             {:==, [line: 13],\n              [\n                {{:., [line: 13], [{:__aliases__, [line: 13], [:Date]}, :utc_today]}, [line: 13],\n                 []},\n                {:sigil_D, [line: 13], [{:\u003c\u003c\u003e\u003e, [line: 13], [\"2024-03-01\"]}, []]}\n              ]}\n           ]},\n        message: \"Assertion with == failed\",\n        context: :==\n      )\n    )\n\n    (\n      left = Date.utc_today()\n      right = %{__struct__: Date, calendar: Calendar.ISO, year: 2024, month: 3, day: 1}\n\n      ExUnit.Assertions.assert(:erlang.==(left, right),\n        left: left,\n        right: right,\n        expr:\n          {:assert, [line: 14],\n           [\n             {:==, [line: 14],\n              [\n                {{:., [line: 14], [{:__aliases__, [line: 14], [:Date]}, :utc_today]}, [line: 14],\n                 []},\n                {:sigil_D, [line: 14], [{:\u003c\u003c\u003e\u003e, [line: 14], [\"2024-03-01\"]}, []]}\n              ]}\n           ]},\n        message: \"Assertion with == failed\",\n        context: :==\n      )\n    )\n\n    (\n      left = Date.utc_today()\n      right = %{__struct__: Date, calendar: Calendar.ISO, year: 2024, month: 3, day: 1}\n\n      ExUnit.Assertions.assert(:erlang.==(left, right),\n        left: left,\n        right: right,\n        expr:\n          {:assert, [line: 16],\n           [\n             {:==, [line: 16],\n              [\n                {{:., [line: 16], [{:__aliases__, [line: 16], [:Date]}, :utc_today]}, [line: 16],\n                 []},\n                {:sigil_D, [line: 16], [{:\u003c\u003c\u003e\u003e, [line: 16], [\"2024-03-01\"]}, []]}\n              ]}\n           ]},\n        message: \"Assertion with == failed\",\n        context: :==\n      )\n    )\n\n    (\n      left = Date.utc_today()\n      right = %{__struct__: Date, calendar: Calendar.ISO, year: 2024, month: 3, day: 1}\n\n      ExUnit.Assertions.assert(:erlang.==(left, right),\n        left: left,\n        right: right,\n        expr:\n          {:assert, [line: 17],\n           [\n             {:==, [line: 17],\n              [\n                {{:., [line: 17], [{:__aliases__, [line: 17], [:Date]}, :utc_today]}, [line: 17],\n                 []},\n                {:sigil_D, [line: 17], [{:\u003c\u003c\u003e\u003e, [line: 17], [\"2024-03-01\"]}, []]}\n              ]}\n           ]},\n        message: \"Assertion with == failed\",\n        context: :==\n      )\n    )\n\n    (\n      left = Date.utc_today()\n      right = %{__struct__: Date, calendar: Calendar.ISO, year: 2024, month: 3, day: 1}\n\n      ExUnit.Assertions.assert(:erlang.==(left, right),\n        left: left,\n        right: right,\n        expr:\n          {:assert, [line: 18],\n           [\n             {:==, [line: 18],\n              [\n                {{:., [line: 18], [{:__aliases__, [line: 18], [:Date]}, :utc_today]}, [line: 18],\n                 []},\n                {:sigil_D, [line: 18], [{:\u003c\u003c\u003e\u003e, [line: 18], [\"2024-03-01\"]}, []]}\n              ]}\n           ]},\n        message: \"Assertion with == failed\",\n        context: :==\n      )\n    )\n\n    (\n      left = Date.utc_today()\n      right = %{__struct__: Date, calendar: Calendar.ISO, year: 2024, month: 3, day: 1}\n\n      ExUnit.Assertions.assert(:erlang.==(left, right),\n        left: left,\n        right: right,\n        expr:\n          {:assert, [line: 19],\n           [\n             {:==, [line: 19],\n              [\n                {{:., [line: 19], [{:__aliases__, [line: 19], [:Date]}, :utc_today]}, [line: 19],\n                 []},\n                {:sigil_D, [line: 19], [{:\u003c\u003c\u003e\u003e, [line: 19], [\"2024-03-01\"]}, []]}\n              ]}\n           ]},\n        message: \"Assertion with == failed\",\n        context: :==\n      )\n    )\n\n    (\n      left = Date.utc_today()\n      right = %{__struct__: Date, calendar: Calendar.ISO, year: 2024, month: 3, day: 1}\n\n      ExUnit.Assertions.assert(:erlang.==(left, right),\n        left: left,\n        right: right,\n        expr:\n          {:assert, [line: 20],\n           [\n             {:==, [line: 20],\n              [\n                {{:., [line: 20], [{:__aliases__, [line: 20], [:Date]}, :utc_today]}, [line: 20],\n                 []},\n                {:sigil_D, [line: 20], [{:\u003c\u003c\u003e\u003e, [line: 20], [\"2024-03-01\"]}, []]}\n              ]}\n           ]},\n        message: \"Assertion with == failed\",\n        context: :==\n      )\n    )\n  )\n\n  :ok\nend\n\nPlease report this bug at: https://github.com/elixir-lang/elixir/issues\n\n        (elixir 1.17.0) lib/enum.ex:1: Enumerable.impl_for!/1\n        (elixir 1.17.0) lib/enum.ex:166: Enumerable.reduce/3\n        (elixir 1.17.0) lib/enum.ex:4423: Enum.reduce/3\n        (elixir 1.17.0) lib/module/types/of.ex:182: Module.Types.Of.struct/6\n        (elixir 1.17.0) lib/module/types/expr.ex:503: anonymous fn/3 in Module.Types.Expr.of_clauses/3\n        (elixir 1.17.0) lib/module/types/helpers.ex:108: Module.Types.Helpers.do_reduce_ok/3\n        (elixir 1.17.0) lib/module/types/expr.ex:219: Module.Types.Expr.of_expr/3\n        (elixir 1.17.0) lib/module/types/helpers.ex:128: Module.Types.Helpers.do_map_reduce_ok/3\n        (elixir 1.17.0) lib/module/types/expr.ex:332: Module.Types.Expr.of_expr/3\n        (elixir 1.17.0) lib/module/types/helpers.ex:128: Module.Types.Helpers.do_map_reduce_ok/3\n        (elixir 1.17.0) lib/module/types/expr.ex:185: Module.Types.Expr.of_expr/3\n        (elixir 1.17.0) lib/module/types/helpers.ex:128: Module.Types.Helpers.do_map_reduce_ok/3\n        (elixir 1.17.0) lib/module/types/expr.ex:185: Module.Types.Expr.of_expr/3\n        (elixir 1.17.0) lib/module/types.ex:56: Module.Types.warnings_from_clause/6\n        (elixir 1.17.0) lib/module/types.ex:15: anonymous fn/7 in Module.Types.warnings/5\n        (elixir 1.17.0) lib/enum.ex:4353: Enum.flat_map_list/2\n        (elixir 1.17.0) lib/enum.ex:4354: Enum.flat_map_list/2\n        (elixir 1.17.0) lib/module/parallel_checker.ex:264: Module.ParallelChecker.check_module/3\n        (elixir 1.17.0) lib/module/parallel_checker.ex:82: anonymous fn/6 in Module.ParallelChecker.spawn/4\n\nmix test  15.72s user 1.49s system 111% cpu 15.446 total\n```\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fnavinpeiris%2Fmimic-elixir-1.17-issue","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fnavinpeiris%2Fmimic-elixir-1.17-issue","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fnavinpeiris%2Fmimic-elixir-1.17-issue/lists"}