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matthewphilyaw/fixtures.ex

Last active December 31, 2015 17:09
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Proposal for testing
Raw
fixtures.ex
defmodule Yggdrasil.Fixtures do
@moduledoc """
A module for fixtures for various tests
"""
def user do
quote do
@min_len 4
@password "password"
@short_password String.slice(@password, 1..(@min_len - 1))
@valid_attrs %{username: "tester", password: @password, password_confirmation: @password }
@valid_attrs_upcase_user Map.update!(@valid_attrs, :username, &String.upcase/1)
@missing_username Map.drop(@valid_attrs, [:username])
@missing_password Map.drop(@valid_attrs, [:password])
@missing_password_conf Map.drop(@valid_attrs, [:password_confirmation])
@password_mismatch %{@valid_attrs | :password => "not password"}
@password_bad_len %{@valid_attrs | :password => @short_password}
@password_conf_bad_len %{@valid_attrs | :password => @short_password,
:password_confirmation => @short_password}
@blank_msg "can't be blank"
@doesntmatch_msg "does not match confirmation"
@unique_msg "has already been taken"
@invalid_length_msg "should be at least %{count} character(s)"
end
end
defmacro __using__(which) when is_atom(which) do
apply(__MODULE__, which, [])
end
end
Raw
user_test.exs
defmodule Yggdrasil.UserTest do
use Yggdrasil.ModelCase
use Yggdrasil.Fixtures, :user
alias Yggdrasil.User
alias Comeonin.Bcrypt
# -- helpers
defp valid_hash(hash) do
Bcrypt.checkpw(@password, hash)
end
defp hash_missing?(changeset) do
!Map.has_key?(changeset.changes, :hash)
end
# -- tests
test "create_changeset with valid attributes" do
changeset = User.create_changeset(%User{}, @valid_attrs)
assert changeset.valid?
end
test "create_changeset with missing username" do
changeset = User.create_changeset(%User{}, @missing_username)
assert changeset.errors[:username] == @blank_msg
refute changeset.valid?
end
test "create_changeset with missing password" do
changeset = User.create_changeset(%User{}, @missing_password)
assert changeset.errors[:password] == @blank_msg
refute changeset.valid?
end
test "create_changeset with missing password_confirmation" do
changeset = User.create_changeset(%User{}, @missing_password_conf)
assert changeset.errors[:password_confirmation] == @blank_msg
refute changeset.valid?
end
test "create_changeset with password mismatch" do
changeset = User.create_changeset(%User{}, @password_mismatch)
assert changeset.errors[:password_confirmation] == @doesntmatch_msg
refute changeset.valid?
end
test "create_changeset with password less than min fails" do
changeset = User.create_changeset(%User{}, @password_bad_len)
assert changeset.errors[:password] == {@invalid_length_msg, [count: @min_len]}
refute changeset.valid?
end
test "create_changeset with password_confirmation less than min fails" do
changeset = User.create_changeset(%User{}, @password_conf_bad_len)
assert changeset.errors[:password_confirmation] == {@invalid_length_msg, [count: @min_len]}
refute changeset.valid?
end
test "create_changeset unique username constraint" do
# insert the user once
user = User.create_changeset(%User{}, @valid_attrs)
{:ok, _user} = user |> Repo.insert
# try again to invoke unique constraint
{:error, changeset} = user |> Repo.insert
assert changeset.errors[:username] == @unique_msg
refute changeset.valid?
end
test "create_changeset downcases username" do
user = User.create_changeset(%User{}, @valid_attrs_upcase_user)
assert user.changes[:username] == "tester"
end
test "create_changet genreates hash if valid" do
changeset = User.create_changeset(%User{}, @valid_attrs)
assert Map.has_key?(changeset.changes, :hash)
hash = changeset.changes[:hash]
assert valid_hash(hash)
end
test "create_changet doesn't genreates hash if username missing" do
changeset = User.create_changeset(%User{}, @valid_attrs)
assert Map.has_key?(changeset.changes, :hash)
hash = changeset.changes[:hash]
assert valid_hash(hash)
end
test "create_changeset with missing username doesn't generate hash" do
changeset = User.create_changeset(%User{}, @missing_username)
refute changeset.valid?
assert hash_missing?(changeset)
end
test "create_changeset with missing password doesn't generate hash" do
changeset = User.create_changeset(%User{}, @missing_password)
refute changeset.valid?
assert hash_missing?(changeset)
end
test "create_changeset with missing password_confirmation doesn't generate hash" do
changeset = User.create_changeset(%User{}, @missing_password_conf)
refute changeset.valid?
assert hash_missing?(changeset)
end
test "create_changeset with password mismatch doesn't generate hash" do
changeset = User.create_changeset(%User{}, @password_mismatch)
refute changeset.valid?
assert hash_missing?(changeset)
end
test "create_changeset with password less than min doesn't generate hash" do
changeset = User.create_changeset(%User{}, @password_bad_len)
refute changeset.valid?
assert hash_missing?(changeset)
end
test "create_changeset with password_confirmation less than min doesn't generate hash" do
changeset = User.create_changeset(%User{}, @password_conf_bad_len)
refute changeset.valid?
assert hash_missing?(changeset)
end
end
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