This was proposed as an idea 4 years ago in
https://github.com/rails/rails/pull/95. It was closed at that time, but I'd
like to propose a refreshed version targeted towards ActiveModel and
Minitest. The gem is at https://github.com/jch/minitest-model.
This feature is more useful today than when it was originally proposed
because any ActiveModel::Validations standardized the interface used by
ORMs and general ruby objects. Here is a sample of what it looks like:
class MyTest < ActiveSupport::TestCase
include Minitest::Model
test "model requires email" do
m = Model.new
refute_valid m, :email
m.email = "f...@bar.com"
assert_valid m, :email
end
end
Failed assertions print a descriptive message of why it failed rather than
a generic "Expected true" if asserting on just `valid?`.
Thanks!
-Jerry
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