# SetupTag
SetupTag allows you to create a test context by easily mix and match
test setup functions selected by the tags applied to your test or module.
Well, it's actually a feature of ExUnit, but this module lets you
reuse and mix functions over different modules.
## Installation
[Available in Hex](https://hex.pm/packages/setup_tag), the package can be installed as:
1. Add setup_tag to your list of dependencies in `mix.exs`:
def deps do
[{:setup_tag, "~> 0.0.1"}]
end
## Usage
See `setup_tag_text.exs` for a complete example
```elixir
defmodule SetupTagTest do
use ExUnit.Case
use SetupTag
def one(ctx), do: {:ok, Map.put(ctx, :one, 1)}
def dup_one(ctx = %{one: x}), do: {:ok, %{ctx | one: x + x }}
def mul_one(ctx = %{one: x}, y), do: {:ok, %{ctx | one: x * y }}
@tag setup: [:one, :dup_one, mul_one: 3]
test "combining with a function with arguments", %{one: x} do
assert x == 6
end
end
```