Differential D169 Diff 371 larus/test/support/model_case.ex

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Show All 35 Lines	defmodule Larus.ModelCase do
@doc """		@doc """
Helper for returning list of errors in model when passed certain data.		Helper for returning list of errors in model when passed certain data.

## Examples		## Examples

Given a User model that lists `:name` as a required field and validates		Given a User model that lists `:name` as a required field and validates
`:password` to be safe, it would return:		`:password` to be safe, it would return:

iex> errors_on(%User{}, %{password: "password"})		iex> errors_on(%User{}, %{password: "pass"})
[password: "is unsafe", name: "is blank"]		[password: "is unsafe", name: "is blank"]

You could then write your assertion like:		You could then write your assertion like:

assert {:password, "is unsafe"} in errors_on(%User{}, %{password: "password"})		assert {:password, "is unsafe"} in errors_on(%User{}, %{password: "pass"})

You can also create the changeset manually and retrieve the errors		You can also create the changeset manually and retrieve the errors
field directly:		field directly:

iex> changeset = User.changeset(%User{}, password: "password")		iex> changeset = User.changeset(%User{}, password: "password")
iex> {:password, "is unsafe"} in changeset.errors		iex> {:password, "is unsafe"} in changeset.errors
true		true
"""		"""
def errors_on(model, data) do		def errors_on(model, data) do
model.__struct__.changeset(model, data).errors		model.__struct__.changeset(model, data).errors
end		end
end		end