FlowAssertions

This is a library of assertions for Elixir's ExUnit. It emphasizes two things:

1. Making tests easier to scan by capturing frequently-used assertions in functions that can be used in a pipeline.

   This library will appeal to people who prefer this:

   VM.ServiceGap.accept_form(params,@institution)|>ok_content|>assert_valid|>assert_changes(id: 1,in_service_datestring: @iso_date_1,out_of_service_datestring: @iso_date_2,reason: "reason")

   ... to this:

   assert{:ok,changeset}=VM.ServiceGap.accept_form(params,@institution)assertchangeset.valid?changes=changeset.changesassertchanges.id==1assertchanges.in_service_datestring==@iso_date_1assertchanges.out_of_service_datestring==@iso_date_2assertchanges.reason=="reason"

   The key point here is that all of the assert_* functions in this package return their first argument to be used with later chained functions.

2. Error messages as helpful as those in the base ExUnit assertions:

   

Documentation

https://hexdocs.pm/flow_assertions

See also the change log.

Installation

Add flow_assertions to your list of dependencies in mix.exs:

defdepsdo[{:flow_assertions,"~> 0.6",only: :test},]end