Changelog

All notable changes to this project are documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

Unreleased

Set the :result of the Spek.Literal struct generated by Spek.Macros.defcheck/2 to the result of the check function.

Allow the do-block of Spek.Macros.defcheck/2 to return an :ok or :error tuple that references the check arguments.
Fix the type spec generated by Spek.Macros.defcheck/2 for a do-block that returns a literal.
Collect the :reason option of Spek.Macros.defcheck/2 when the do-block returns a literal.
Don't flatten list results in Spek.collect_results/1 and Spek.collect_results/2.

Deduplicate the results returned by Spek.collect_results/1 and Spek.collect_results/2.
Apply the transformations of Spek.optimize/1 repeatedly until no further optimization applies.
Keep the result of a literal when Spek.optimize/1 negates it.
Raise an ArgumentError naming the check function if a check returns an invalid result.
Raise an ArgumentError for an invalid {:ctx, key} check argument.
Raise an ArgumentError in Spek.literal/1 for an invalid result.
Raise an ArgumentError in Spek.pass/1 for a falsy result and in Spek.fail/1 for a truthy one.
Raise an ArgumentError at compile time in Spek.Macros.defcheck/2 if the :args option does not match the check function arity.
Generate the {name}_check/1 function without a default argument in Spek.Macros.defcheck/2 if the check function always takes two or more arguments.

Collect tagged results within Not expressions in Spek.collect_results/1.
Accept options for a check without arguments in Spek.Macros.defcheck/2.
Accept _ and struct patterns as Spek.Macros.defcheck/2 arguments.
Fix the type specs of the _check functions generated by Spek.Macros.build_check/2 and Spek.Macros.defcheck/2.
Add the missing type specs for Spek.EvaluationError.new/0 and Spek.EvaluationError.with_expression/1.
Stop emitting unused variable warnings for a Spek.Macros.defcheck/2 do-block that returns a literal.

Support returning :ok, :error, {:ok, term}, or {:error, term} in the Spek.Macros.defcheck/2 do-block.

Initial release.