Euclid.Test.Extra.Assertions.assert_that

You're seeing just the macro assert_that, go back to Euclid.Test.Extra.Assertions module for more information.
Link to this macro

assert_that(command, list)

View Source (macro)
This macro is deprecated. Use `Euclid.Assertions.assert_that/3` instead.

Specs

assert_that(any(), [{:changes, any()} | {:from, any()} | {:to, any()}, ...]) ::
  {:__block__, [], [...]}