Agreed. Can the formatter get invoked on output like that I wonder?

On Friday, May 26, 2023 at 3:32:02 AM UTC-4 ifu...@gmail.com wrote:

> Consider the following code:
>
> setup do
> %{a: 1}
> end
>
> test "test", %{b: b} do
> IO.inspect(b)
> end
>
> if we run the test, then it fails with the following error:
>   1) test test (SandboxTest)
>      test/sandbox_test.exs:8
>      ** (FunctionClauseError) no function clause matching in 
> SandboxTest."test test"/1
>
>      The following arguments were given to SandboxTest."test test"/1:
>      
>          # 1
>          %{a: 1, async: false, case: SandboxTest, describe: nil, 
> describe_line: nil, file: 
> "/home/artur/projects/sandbox/test/sandbox_test.exs", line: 8, module: 
> SandboxTest, registered: %{}, test: :"test test", test_type: :test}
>      
>      code: test "test", %{b: b} do
>      stacktrace:
>        test/sandbox_test.exs:8: (test)
>
>
> A way better error reporting is present if the test uses assert macro:
>
> setup do
> %{a: 1}
> end
>
> test "test", context do
> assert %{b: b} = context
> IO.inspect(b)
> end
>
> Error:
>   1) test test (SandboxTest)
>      test/sandbox_test.exs:9
>      match (=) failed
>      code:  assert %{b: b} = context
>      left:  %{b: b}
>      right: %{
>               a: 1,
>               async: false,
>               case: SandboxTest,
>               describe: nil,
>               describe_line: nil,
>               file: "/home/artur/projects/sandbox/test/sandbox_test.exs",
>               line: 9,
>               module: SandboxTest,
>               registered: %{},
>               test: :"test test",
>               test_type: :test
>             }
>      stacktrace:
>        test/sandbox_test.exs:10: (test)
>
> It would be great if something similar is reported for the first code 
> snippet.
>

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