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delx

2.1.0
3.0.0 2.1.1 2.1.0 2.0.1 2.0.0 1.0.1 1.0.0

An Elixir library to make function delegation testable.

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+31 additions
-18 deletions
  @@ -3,6 +3,7 @@
3 3 [![Build Status](https://travis-ci.org/i22-digitalagentur/delx.svg?branch=master)](https://travis-ci.org/i22-digitalagentur/delx)
4 4 [![Hex.pm](https://img.shields.io/hexpm/v/delx.svg)](https://hex.pm/packages/delx)
5 5
6 + [Defdelegate](https://hexdocs.pm/elixir/Kernel.html#defdelegate/2) on steroids!
6 7 An Elixir library to make function delegation testable.
7 8
8 9 ## Prerequisites
  @@ -18,7 +19,7 @@ by adding `delx` to your list of dependencies in `mix.exs`:
18 19 ```elixir
19 20 def deps do
20 21 [
21 - {:delx, "~> 2.0.1"}
22 + {:delx, "~> 2.1.0"}
22 23 ]
23 24 end
24 25 ```
  @@ -131,8 +132,9 @@ defmodule GreeterTest do
131 132 fn {Greeter, :hello},
132 133 {Greeter.StringGreeter, :hello},
133 134 ["Tobi"] ->
134 - :ok
135 - end)
135 + :ok
136 + end
137 + )
136 138
137 139 Greeter.hello("Tobi")
138 140 end
  @@ -142,3 +144,6 @@ end
142 144
143 145 For more information on how to implement your own delegator, refer to the
144 146 docs of the `Delx.Delegator` behavior.
147 +
148 + Note that the configuration is only applied at compile time, so you are unable
149 + to stub or replace the delegator module at runtime.
  @@ -12,7 +12,7 @@
12 12 <<"LICENSE">>]}.
13 13 {<<"licenses">>,[<<"MIT">>]}.
14 14 {<<"links">>,
15 - [{<<"Source">>,<<"https://github.com/i22-digitalagentur/delx">>}]}.
15 + [{<<"GitHub">>,<<"https://github.com/i22-digitalagentur/delx">>}]}.
16 16 {<<"name">>,<<"delx">>}.
17 17 {<<"requirements">>,[]}.
18 - {<<"version">>,<<"2.0.1">>}.
18 + {<<"version">>,<<"2.1.0">>}.
  @@ -101,8 +101,9 @@ defmodule Delx do
101 101 fn {Greeter, :hello},
102 102 {Greeter.StringGreeter, :hello},
103 103 ["Tobi"] ->
104 - :ok
105 - end)
104 + :ok
105 + end
106 + )
106 107
107 108 Greeter.hello("Tobi")
108 109 end
  @@ -111,6 +112,9 @@ defmodule Delx do
111 112
112 113 For more information on how to implement your own delegator, refer to the
113 114 docs of the `Delx.Delegator` behavior.
115 +
116 + Note that the configuration is only applied at compile time, so you are unable
117 + to stub or replace the delegator module at runtime.
114 118 """
115 119
116 120 defmacro __using__(opts) do
  @@ -119,15 +123,14 @@ defmodule Delx do
119 123 opts[:otp_app] ||
120 124 raise ArgumentError, "expected otp_app: to be given as argument"
121 125
122 - @doc false
123 - @spec __delegator__() :: module
124 - def __delegator__ do
125 - config = Application.get_env(unquote(otp_app), Delx, [])
126 + config = Application.get_env(otp_app, Delx, [])
126 127
127 - case Keyword.fetch(config, :stub) do
128 - {:ok, true} -> Delx.Delegator.Stub
129 - _ -> Keyword.get(config, :delegator, Delx.Delegator.Common)
130 - end
128 + case Keyword.fetch(config, :stub) do
129 + {:ok, true} ->
130 + @delegator Delx.Delegator.Stub
131 +
132 + _ ->
133 + @delegator Keyword.get(config, :delegator, Delx.Delegator.Common)
131 134 end
132 135
133 136 import Delx.Defdel
  @@ -30,7 +30,7 @@ defmodule Delx.Defdel do
30 30
31 31 @doc delegate_to: {target, as, length(as_args)}
32 32 def unquote(name)(unquote_splicing(args)) do
33 - __MODULE__.__delegator__().apply(
33 + @delegator.apply(
34 34 {unquote(__MODULE__), unquote(name)},
35 35 {unquote(target), unquote(as)},
36 36 unquote(as_args)
  @@ -1,4 +1,8 @@
1 1 defmodule Delx.StubbedDelegationError do
2 + @moduledoc """
3 + An exception that raises when when a delegated function is stubbed.
4 + """
5 +
2 6 import Exception, only: [format_mfa: 3]
3 7
4 8 defexception [:source, :target, :args]
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