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	diff --git a/README.md b/README.md
	index 33e676c..6648c73 100644
	--- a/README.md
	+++ b/README.md
	@@ -1,470 +1,473 @@
	# Tesla

	[![Build Status](https://travis-ci.org/teamon/tesla.svg?branch=master)](https://travis-ci.org/teamon/tesla)
	[![Hex.pm](https://img.shields.io/hexpm/v/tesla.svg)](http://hex.pm/packages/tesla)
	[![Hex.pm](https://img.shields.io/hexpm/dt/tesla.svg)](https://hex.pm/packages/tesla)
	[![Hex.pm](https://img.shields.io/hexpm/dw/tesla.svg)](https://hex.pm/packages/tesla)
	[![codecov](https://codecov.io/gh/teamon/tesla/branch/master/graph/badge.svg)](https://codecov.io/gh/teamon/tesla)
	[![Inline docs](http://inch-ci.org/github/teamon/tesla.svg)](http://inch-ci.org/github/teamon/tesla)

	Tesla is an HTTP client loosely based on [Faraday](https://github.com/lostisland/faraday).
	It embraces the concept of middleware when processing the request/response cycle.

	> Note that this README refers to the `master` branch of Tesla, not the latest
	released version on Hex. See [the documentation](http://hexdocs.pm/tesla) for
	the documentation of the version you're using.

	## HTTP Client example

	Define module with `use Tesla` and choose from a variety of middleware.

	```elixir
	defmodule GitHub do
	use Tesla

	plug Tesla.Middleware.BaseUrl, "https://api.github.com"
	plug Tesla.Middleware.Headers, %{"Authorization" => "token xyz"}
	plug Tesla.Middleware.JSON

	def user_repos(login) do
	get("/user/" <> login <> "/repos")
	end
	end
	```

	Then use it like this:

	```elixir
	response = GitHub.user_repos("teamon")
	response.status # => 200
	response.body # => [%{…}, …]
	response.headers # => %{'content-type' => 'application/json'}
	```

	See below for documentation.

	## Installation

	Add `tesla` as dependency in `mix.exs`

	```elixir
	defp deps do
	[{:tesla, "~> 0.9.0"},
	{:poison, ">= 1.0.0"}] # optional, required by JSON middleware
	end
	```

	Also, unless using Elixir `>= 1.4`, add `:tesla` to the `applications` list:

	```ex
	def application do
	[applications: [:tesla, ...], ...]
	end
	```

	## Documentation
	- [Middleware](#middleware)
	- [Runtime middleware](#runtime-middleware)
	- [Adapters](#adapters)
	- [Streaming](#streaming)
	- [Multipart](#multipart)
	- [Testing](#testing)
	- [Writing middleware](#writing-middleware)
	- [Direct usage](#direct-usage)
	- [Cheatsheet](#cheatsheet)
	- [Changelog](https://github.com/teamon/tesla/releases)


	## Middleware
	Tesla is built around the concept of composable middlewares.
	This is very similar to how [Plug Router](https://github.com/elixir-plug/plug#the-plug-router) works.

	#### Basic
	- [`Tesla.Middleware.BaseUrl`](https://hexdocs.pm/tesla/Tesla.Middleware.BaseUrl.html) - set base url
	- [`Tesla.Middleware.Headers`](https://hexdocs.pm/tesla/Tesla.Middleware.Headers.html) - set request headers
	- [`Tesla.Middleware.Query`](https://hexdocs.pm/tesla/Tesla.Middleware.Query.html) - set query parameters
	- [`Tesla.Middleware.Opts`](https://hexdocs.pm/tesla/Tesla.Middleware.Opts.html) - set request options
	- [`Tesla.Middleware.FollowRedirects`](https://hexdocs.pm/tesla/Tesla.Middleware.FollowRedirects.html) - follow 3xx redirects
	- [`Tesla.Middleware.MethodOverride`](https://hexdocs.pm/tesla/Tesla.Middleware.MethodOverride.html) - set X-Http-Method-Override
	- [`Tesla.Middleware.Logger`](https://hexdocs.pm/tesla/Tesla.Middleware.Logger.html) - log requests (method, url, status, time)
	- [`Tesla.Middleware.DebugLogger`](https://hexdocs.pm/tesla/Tesla.Middleware.DebugLogger.html) - log full requests & responses

	#### Formats
	- [`Tesla.Middleware.FormUrlencoded`](https://hexdocs.pm/tesla/Tesla.Middleware.FormUrlencoded.html) - urlencode POST body parameter, useful for POSTing a map/keyword list
	- [`Tesla.Middleware.JSON`](https://hexdocs.pm/tesla/Tesla.Middleware.JSON.html) - JSON request/response body
	- [`Tesla.Middleware.Compression`](https://hexdocs.pm/tesla/Tesla.Middleware.Compression.html) - gzip & deflate
	- [`Tesla.Middleware.DecodeRels`](https://hexdocs.pm/tesla/Tesla.Middleware.DecodeRels.html) - decode `Link` header into `opts[:rels]` field in response

	#### Auth
	- [`Tesla.Middleware.BasicAuth`](https://hexdocs.pm/tesla/Tesla.Middleware.BasicAuth.html) - HTTP Basic Auth
	- [`Tesla.Middleware.DigestAuth`](https://hexdocs.pm/tesla/Tesla.Middleware.DigestAuth.html) - Digest access authentication

	#### Error handling
	- [`Tesla.Middleware.Timeout`](https://hexdocs.pm/tesla/Tesla.Middleware.Timeout.html) - timeout request after X milliseconds despite of server response
	- [`Tesla.Middleware.Retry`](https://hexdocs.pm/tesla/Tesla.Middleware.Retry.html) - retry few times in case of connection refused
	- [`Tesla.Middleware.Fuse`](https://hexdocs.pm/tesla/Tesla.Middleware.Fuse.html) - fuse circuit breaker integration
	- [`Tesla.Middleware.Tuples`](https://hexdocs.pm/tesla/Tesla.Middleware.Tuples.html) - return `{:ok, env} \| {:error, reason}` instead of raising exception


	## Runtime middleware

	All HTTP functions (`get`, `post`, etc.) can take a dynamic client function as the first parameter.
	This allow to use convenient syntax for modifying the behaviour in runtime.

	Consider the following case: GitHub API can be accessed using OAuth token authorization.

	We can't use `plug Tesla.Middleware.Headers, %{"Authorization" => "token here"}`
	since this would be compiled only once and there is no way to insert dynamic user token.

	Instead, we can use `Tesla.build_client` to create a dynamic middleware function:

	```elixir
	defmodule GitHub do
	# same as above with a slightly change to `user_repos/1`

	def user_repos(client, login) do
	# pass `client` argument to `get` function
	get(client, "/user/" <> login <> "/repos")
	end

	def issues(client \\ %Tesla.Client{}) do
	# default to empty client that will not include runtime token
	get(client, "/issues")
	end

	# build dynamic client based on runtime arguments
	def client(token) do
	Tesla.build_client [
	{Tesla.Middleware.Headers, %{"Authorization" => "token: " <> token }}
	]
	end
	end
	```

	and then:

	```elixir
	client = GitHub.client(user_token)
	client \|> GitHub.user_repos("teamon")
	client \|> GitHub.get("/me")

	GitHub.issues()
	client \|> GitHub.issues()
	```

	The `Tesla.build_client` function can take two arguments: `pre` and `post` middleware.
	The first list (`pre`) will be included before any other middleware. In case there is a need
	to inject middleware at the end you can pass a second list (`post`). It will be put just
	before adapter. In fact, one can even dynamically override the adapter.

	For example, a private (per user) cache could be implemented as:

	```elixir
	def new(user) do
	Tesla.build_client [], [
	fn env, next ->
	case my_private_cache.fetch(user, env) do
	{:ok, env} -> env # return cached response
	:error -> Tesla.run(env, next) # make real request
	end
	end
	end
	end
	```


	## Adapters

	Tesla supports multiple HTTP adapter that do the actual HTTP request processing.

	- [`Tesla.Adapter.Httpc`](https://hexdocs.pm/tesla/Tesla.Adapter.Httpc.html) - the default, built-in erlang [httpc](http://erlang.org/doc/man/httpc.html) adapter
	- [`Tesla.Adapter.Hackney`](https://hexdocs.pm/tesla/Tesla.Adapter.Hackney.html) - [hackney](https://github.com/benoitc/hackney), "simple HTTP client in Erlang"
	- [`Tesla.Adapter.Ibrowse`](https://hexdocs.pm/tesla/Tesla.Adapter.Ibrowse.html) - [ibrowse](https://github.com/cmullaparthi/ibrowse), "Erlang HTTP client"

	When using ibrowse or hackney adapters remember to alter applications list in `mix.exs` (for Elixir < 1.4)

	```elixir
	def application do
	[applications: [:tesla, :ibrowse, ...], ...] # or :hackney
	end
	```

	and add it to the dependency list

	```elixir
	defp deps do
	[{:tesla, "~> 0.7.0"},
	{:ibrowse, "~> 4.2"}, # or :hackney
	{:poison, ">= 1.0.0"}] # for JSON middleware
	end
	```


	## Streaming

	If adapter supports it, you can pass a [Stream](http://elixir-lang.org/docs/stable/elixir/Stream.html) as body, e.g.:

	```elixir
	defmodule ElasticSearch do
	use Tesla

	plug Tesla.Middleware.BaseUrl, "http://localhost:9200"
	plug Tesla.Middleware.JSON

	def index(records_stream) do
	stream = records_stream \|> Stream.map(fn record -> %{index: [some, data]})
	post("/_bulk", stream)
	end
	end
	```

	Each piece of stream will be encoded as JSON and sent as a new line (conforming to JSON stream format)




	## Multipart

	You can pass a `Tesla.Multipart` struct as the body.


	```elixir
	alias Tesla.Multipart

	mp =
	Multipart.new
	\|> Multipart.add_content_type_param("charset=utf-8")
	\|> Multipart.add_field("field1", "foo")
	\|> Multipart.add_field("field2", "bar", headers: [{:"Content-Id", 1}, {:"Content-Type", "text/plain"}])
	\|> Multipart.add_file("test/tesla/multipart_test_file.sh")
	\|> Multipart.add_file("test/tesla/multipart_test_file.sh", name: "foobar")
	\|> Multipart.add_file_content("sample file content", "sample.txt")

	response = MyApiClient.post("http://httpbin.org/post", mp)
	```


	## Testing

	You can set the adapter to `:mock` in tests.

	```elixir
	# config/test.exs
	+# Use mock adapter for all clients
	config :tesla, adapter: :mock
	+# or only for one
	+config :tesla, MyClient, adapter: :mock
	```

	Then, mock requests before using your client:


	```elixir
	defmodule MyAppTest do
	use ExUnit.Case

	setup do
	Tesla.Mock.mock fn
	%{method: :get, url: "http://example.com/hello"} ->
	%Tesla.Env{status: 200, body: "hello"}
	%{method: :post, url: "http://example.com/world"} ->
	%Tesla.Env{status: 200, body: "hi!"}
	end

	:ok
	end

	test "list things" do
	assert %Tesla.Env{} = env = MyApp.get("/hello")
	assert env.status == 200
	assert env.body == "hello"
	end
	end
	```


	## Writing middleware

	A Tesla middleware is a module with `call/3` function, that at some point calls `Tesla.run(env, next)` to process
	the rest of stack.

	```elixir
	defmodule MyMiddleware do
	@behaviour Tesla.Middleware

	def call(env, next, options) do
	env
	\|> do_something_with_request
	\|> Tesla.run(next)
	\|> do_something_with_response
	end
	end
	```

	The arguments are:
	- `env` - `Tesla.Env` instance
	- `next` - middleware continuation stack; to be executed with `Tesla.run(env, next)`
	- `options` - arguments passed during middleware configuration (`plug MyMiddleware, options`)

	There is no distinction between request and response middleware, it's all about executing `Tesla.run/2` function at the correct time.

	For example, a request logger middleware could be implemented like this:

	```elixir
	defmodule Tesla.Middleware.RequestLogger do
	@behaviour Tesla.Middleware

	def call(env, next, _) do
	IO.inspect env # print request env
	Tesla.run(env, next)
	end
	end
	```

	and response logger middleware like this:

	```elixir
	defmodule Tesla.Middleware.ResponseLogger do
	@behaviour Tesla.Middleware

	def call(env, next, _) do
	res = Tesla.run(env, next)
	IO.inspect res # print response env
	res
	end
	end
	```

	See [built-in middlewares](https://github.com/teamon/tesla/tree/master/lib/tesla/middleware) for more examples.

	Middleware should have documentation following this template:

	````elixir
	defmodule Tesla.Middleware.SomeMiddleware do
	@behaviour Tesla.Middleware

	@moduledoc """
	Short description what it does

	Longer description, including e.g. additional dependencies.


	### Example usage
	```
	defmodule MyClient do
	use Tesla

	plug Tesla.Middleware.SomeMiddleware, most: :common, options: "here"
	end
	```

	### Options
	- `:list` - all possible options
	- `:with` - their default values
	"""
	end
	````


	## Direct usage

	You can also use Tesla directly, without creating a client module.
	This however won’t include any middleware.

	```elixir
	# Example get request
	response = Tesla.get("http://httpbin.org/ip")
	response.status # => 200
	response.body # => '{\n "origin": "87.205.72.203"\n}\n'
	response.headers # => %{'Content-Type' => 'application/json' ...}


	response = Tesla.get("http://httpbin.org/get", query: [a: 1, b: "foo"])
	response.url # => "http://httpbin.org/get?a=1&b=foo"


	# Example post request
	response = Tesla.post("http://httpbin.org/post", "data", headers: %{"Content-Type" => "application/json"})
	```


	## Cheatsheet


	#### Making requests 101
	```elixir
	# GET /path
	get("/path")

	# GET /path?a=hi&b[]=1&b[]=2&b[]=3
	get("/path", query: [a: "hi", b: [1,2,3]])

	# GET with dynamic client
	get(client, "/path")
	get(client, "/path", query: [page: 3])

	# arguments are the same for GET, HEAD, OPTIONS & TRACE
	head("/path")
	options("/path")
	trace("/path")

	# POST, PUT, PATCH
	post("/path", "some-body-i-used-to-know")
	put("/path", "some-body-i-used-to-know", query: [a: "0"])
	patch("/path", multipart)
	```

	#### Configuring HTTP functions visibility
	```elixir
	# generate only get and post function
	use Tesla, only: ~w(get post)a

	# generate only delete fuction
	use Tesla, only: [:delete]

	# generate all functions except delete and options
	use Tesla, except: [:delete, :options]
	```

	#### Disable docs for HTTP functions
	```elixir
	use Tesla, docs: false
	```

	#### Decode only JSON response (do not encode request)
	```elixir
	plug Tesla.Middleware.DecodeJson
	```

	#### Use other JSON library
	```elixir
	# use JSX
	plug Tesla.Middleware.JSON, engine: JSX, engine_opts: [strict: [:comments]]

	# use custom functions
	plug Tesla.Middleware.JSON, decode: &JSX.decode/1, encode: &JSX.encode/1
	```


	#### Custom middleware
	```elixir
	defmodule Tesla.Middleware.MyCustomMiddleware do
	def call(env, next, options) do
	env
	\|> do_something_with_request
	\|> Tesla.run(next)
	\|> do_something_with_response
	end
	end
	```

	## Contributing

	1. Fork it (https://github.com/teamon/tesla/fork)
	2. Create your feature branch (`git checkout -b my-new-feature`)
	3. Commit your changes (`git commit -am 'Add some feature'`)
	4. Push to the branch (`git push origin my-new-feature`)
	5. Create new Pull Request

	## License

	This project is licensed under the MIT License - see the [LICENSE](LICENSE) file for details

	Copyright (c) 2015-2017 [Tymon Tobolski](http://teamon.eu/about/)
	diff --git a/config/config.exs b/config/config.exs
	index fc491c3..6d90389 100644
	--- a/config/config.exs
	+++ b/config/config.exs
	@@ -1,20 +1,22 @@
	# This file is responsible for configuring your application
	# and its dependencies with the aid of the Mix.Config module.
	use Mix.Config

	config :tesla, adapter: :httpc

	config :logger, :console,
	level: :debug,
	format: "$date $time [$level] $metadata$message\n"

	if Mix.env == :test do
	config :httparrot,
	http_port: 8888,
	ssl: false,
	unix_socket: false

	config :sasl,
	errlog_type: :error,
	sasl_error_logger: false
	+
	+ config :tesla, MockClient, adapter: :mock
	end
	diff --git a/lib/tesla/mock.ex b/lib/tesla/mock.ex
	index 0c350be..7643f87 100644
	--- a/lib/tesla/mock.ex
	+++ b/lib/tesla/mock.ex
	@@ -1,124 +1,173 @@
	defmodule Tesla.Mock do
	@moduledoc """
	Mock adapter for better testing.

	### Setup

	```
	# config/test.exs
	config :tesla, adapter: :mock

	# in case MyClient defines specific adapter with `adapter :specific`
	config :tesla, MyClient, adapter: :mock
	```

	### Example test
	```
	defmodule MyAppTest do
	use ExUnit.Case

	setup do
	Tesla.Mock.mock fn
	%{method: :get} ->
	%Tesla.Env{status: 200, body: "hello"}
	end

	:ok
	end

	test "list things" do
	assert %Tesla.Env{} = env = MyApp.get("...")
	assert env.status == 200
	assert env.body == "hello"
	end
	end
	```

	### Setting up mocks
	```
	# Match on method & url and return whole Tesla.Env
	Tesla.Mock.mock fn
	%{method: :get, url: "http://example.com/list"} ->
	%Tesla.Env{status: 200, body: "hello"}
	end

	# You can use any logic required
	Tesla.Mock.mock fn env ->
	case env.url do
	"http://example.com/list" ->
	%Tesla.Env{status: 200, body: "ok!"}
	_ ->
	%Tesla.Env{status: 404, body: "NotFound"}
	end

	# mock will also accept short version of response
	# in the form of {status, headers, body}
	Tesla.Mock.mock fn
	%{method: :post} -> {201, %{}, %{id: 42}}
	end
	```
	+
	+ ### Global mocks
	+ By default, mocks are bound to the current process,
	+ i.e. the process running a single test case.
	+ This design allows proper isolation between test cases
	+ and make testing in parallel (`async: true`) possible.
	+
	+ While this style is recommended, there is one drawback:
	+ if Tesla client is called from different process then the
	+ test case it will not get proper mock.
	+
	+ To solve this issue it is possible to setup a global mock
	+ using `mock_global/1` function.
	+
	+ ```
	+ defmodule MyTest do
	+ use ExUnit.Case, async: false # must be false!
	+
	+ setup_all do
	+ Tesla.Mock.mock_global fn
	+ env -> # ...
	+ end
	+
	+ :ok
	+ end
	+
	+ # ...
	+ end
	+ ```
	+
	+ WARNING: Using global mocks may affect tests with local mock
	+ (because of fallback to global mock in case local one is not found)
	"""

	defmodule Error do
	defexception env: nil, ex: nil, stacktrace: []

	def message(%__MODULE__{ex: nil}) do
	"""
	There is no mock set for process #{inspect(self())}.
	Use Tesla.Mock.mock/1 to mock HTTP requests.

	See https://github.com/teamon/tesla#testing
	"""
	end

	def message(%__MODULE__{env: env, ex: %FunctionClauseError{} = ex, stacktrace: stacktrace}) do
	"""
	Request not mocked

	The following request was not mocked:

	#{inspect(env, pretty: true)}

	#{Exception.format(:error, ex, stacktrace)}
	"""
	end
	end

	## PUBLIC API

	@doc """
	Setup mocks for current test.
	+
	+ This mock will only be available to the current process.
	"""
	@spec mock((Tesla.Env.t -> Tesla.Env.t \| {integer, map, any})) :: no_return
	- def mock(fun) when is_function(fun) do
	- Process.put(__MODULE__, fun)
	- Agent.start_link(fn -> fun end, name: :__tesla_mock__)
	- end
	+ def mock(fun) when is_function(fun), do: pdict_set(fun)
	+
	+ @doc """
	+ Setup global mocks.
	+
	+ WARNING: This mock will be available to ALL process.
	+ It might cause conflicts when running tests in parallel!
	+ """
	+ @spec mock_global((Tesla.Env.t -> Tesla.Env.t \| {integer, map, any})) :: no_return
	+ def mock_global(fun) when is_function(fun), do: agent_set(fun)
	+


	## ADAPTER IMPLEMENTATION

	def call(env, _opts) do
	- case {Process.get(__MODULE__), Process.whereis(:__tesla_mock__)} do
	- {fun, _pid} when is_function(fun) -> mock_call(fun, env)
	- {nil, pid} when is_pid(pid) -> Agent.get(pid, &(mock_call(&1, env)))
	- _ -> raise Tesla.Mock.Error, env: env
	+ case pdict_get() \|\| agent_get() do
	+ nil ->
	+ raise Tesla.Mock.Error, env: env
	+ fun ->
	+ case rescue_call(fun, env) do
	+ {status, headers, body} ->
	+ %{env \| status: status, headers: headers, body: body}
	+ %Tesla.Env{} = env ->
	+ env
	+ end
	end
	end

	- defp mock_call(fun, env) do
	- case rescue_call(fun, env) do
	- {status, headers, body} ->
	- %{env \| status: status, headers: headers, body: body}
	- %Tesla.Env{} = env ->
	- env
	+ defp pdict_set(fun), do: Process.put(__MODULE__, fun)
	+ defp pdict_get, do: Process.get(__MODULE__)
	+
	+ defp agent_set(fun), do: {:ok, _pid} = Agent.start_link(fn -> fun end, name: __MODULE__)
	+ defp agent_get do
	+ case Process.whereis(__MODULE__) do
	+ nil -> nil
	+ pid -> Agent.get(pid, fn f -> f end)
	end
	end

	defp rescue_call(fun, env) do
	fun.(env)
	rescue
	ex in FunctionClauseError ->
	raise Tesla.Mock.Error, env: env, ex: ex, stacktrace: System.stacktrace()
	end
	end
	diff --git a/test/support/mock_client.ex b/test/support/mock_client.ex
	new file mode 100644
	index 0000000..b0b5f08
	--- /dev/null
	+++ b/test/support/mock_client.ex
	@@ -0,0 +1,18 @@
	+defmodule MockClient do
	+ use Tesla
	+
	+ plug Tesla.Middleware.BaseUrl, "http://example.com"
	+ plug Tesla.Middleware.JSON
	+
	+ def list do
	+ get("/list")
	+ end
	+
	+ def search() do
	+ get("/search")
	+ end
	+
	+ def create(data) do
	+ post("/create", data)
	+ end
	+end
	diff --git a/test/tesla/global_mock_test.exs b/test/tesla/global_mock_test.exs
	new file mode 100644
	index 0000000..08d2729
	--- /dev/null
	+++ b/test/tesla/global_mock_test.exs
	@@ -0,0 +1,19 @@
	+defmodule Tesla.GlobalMockTest do
	+ use ExUnit.Case, async: false
	+
	+ setup_all do
	+ Tesla.Mock.mock_global fn
	+ %{method: :get, url: "http://example.com/list"} -> %Tesla.Env{status: 200, body: "hello"}
	+ %{method: :post, url: "http://example.com/create"} -> {201, %{}, %{id: 42}}
	+ end
	+
	+ :ok
	+ end
	+
	+ test "mock request from spawned process" do
	+ pid = self()
	+ spawn fn -> send pid, MockClient.list() end
	+
	+ assert_receive %Tesla.Env{status: 200, body: "hello"}
	+ end
	+end
	diff --git a/test/tesla/mock/global_a_test.exs b/test/tesla/mock/global_a_test.exs
	new file mode 100644
	index 0000000..0984720
	--- /dev/null
	+++ b/test/tesla/mock/global_a_test.exs
	@@ -0,0 +1,16 @@
	+defmodule Tesla.Mock.GlobalATest do
	+ use ExUnit.Case, async: false
	+
	+ setup_all do
	+ Tesla.Mock.mock_global fn
	+ _env -> %Tesla.Env{status: 200, body: "AAA"}
	+ end
	+
	+ :ok
	+ end
	+
	+ test "mock get request" do
	+ assert %Tesla.Env{} = env = MockClient.get("/")
	+ assert env.body == "AAA"
	+ end
	+end
	diff --git a/test/tesla/mock/global_b_test.exs b/test/tesla/mock/global_b_test.exs
	new file mode 100644
	index 0000000..32b88df
	--- /dev/null
	+++ b/test/tesla/mock/global_b_test.exs
	@@ -0,0 +1,16 @@
	+defmodule Tesla.Mock.GlobalBTest do
	+ use ExUnit.Case, async: false
	+
	+ setup_all do
	+ Tesla.Mock.mock_global fn
	+ _env -> %Tesla.Env{status: 200, body: "BBB"}
	+ end
	+
	+ :ok
	+ end
	+
	+ test "mock get request" do
	+ assert %Tesla.Env{} = env = MockClient.get("/")
	+ assert env.body == "BBB"
	+ end
	+end
	diff --git a/test/tesla/mock/local_a_test.exs b/test/tesla/mock/local_a_test.exs
	new file mode 100644
	index 0000000..1c78786
	--- /dev/null
	+++ b/test/tesla/mock/local_a_test.exs
	@@ -0,0 +1,16 @@
	+defmodule Tesla.Mock.LocalATest do
	+ use ExUnit.Case, async: true
	+
	+ setup do
	+ Tesla.Mock.mock fn
	+ _env -> %Tesla.Env{status: 200, body: "AAA"}
	+ end
	+
	+ :ok
	+ end
	+
	+ test "mock get request" do
	+ assert %Tesla.Env{} = env = MockClient.get("/")
	+ assert env.body == "AAA"
	+ end
	+end
	diff --git a/test/tesla/mock/local_b_test.exs b/test/tesla/mock/local_b_test.exs
	new file mode 100644
	index 0000000..31c9586
	--- /dev/null
	+++ b/test/tesla/mock/local_b_test.exs
	@@ -0,0 +1,16 @@
	+defmodule Tesla.Mock.LocalBTest do
	+ use ExUnit.Case, async: true
	+
	+ setup do
	+ Tesla.Mock.mock fn
	+ _env -> %Tesla.Env{status: 200, body: "BBB"}
	+ end
	+
	+ :ok
	+ end
	+
	+ test "mock get request" do
	+ assert %Tesla.Env{} = env = MockClient.get("/")
	+ assert env.body == "BBB"
	+ end
	+end
	diff --git a/test/tesla/mock_test.exs b/test/tesla/mock_test.exs
	index a27cf1b..340dee2 100644
	--- a/test/tesla/mock_test.exs
	+++ b/test/tesla/mock_test.exs
	@@ -1,75 +1,42 @@
	defmodule Tesla.MockTest do
	use ExUnit.Case

	- defp setup_config(_) do
	- Application.put_env(:tesla, :adapter, :mock)
	- :ok
	- end
	-
	defp setup_mock(_) do
	Tesla.Mock.mock fn
	%{method: :get, url: "http://example.com/list"} -> %Tesla.Env{status: 200, body: "hello"}
	%{method: :post, url: "http://example.com/create"} -> {201, %{}, %{id: 42}}
	end

	:ok
	end

	- defmodule Client do
	- use Tesla
	-
	- plug Tesla.Middleware.BaseUrl, "http://example.com"
	- plug Tesla.Middleware.JSON
	-
	- def list do
	- get("/list")
	- end
	-
	- def search() do
	- get("/search")
	- end
	-
	- def create(data) do
	- post("/create", data)
	- end
	- end
	-
	describe "with mock" do
	- setup [:setup_config, :setup_mock]
	+ setup :setup_mock

	test "mock get request" do
	- assert %Tesla.Env{} = env = Client.list()
	+ assert %Tesla.Env{} = env = MockClient.list()
	assert env.status == 200
	assert env.body == "hello"
	end

	- test "mock request from spawned process" do
	- pid = self()
	- spawn fn -> send pid, Client.list() end
	-
	- assert_receive %Tesla.Env{status: 200, body: "hello"}
	- end
	-
	test "raise on unmocked request" do
	assert_raise Tesla.Mock.Error, fn ->
	- Client.search()
	+ MockClient.search()
	end
	end

	test "mock post request" do
	- assert %Tesla.Env{} = env = Client.create(%{"some" => "data"})
	+ assert %Tesla.Env{} = env = MockClient.create(%{"some" => "data"})
	assert env.status == 201
	assert env.body.id == 42
	end
	end

	describe "without mock" do
	- setup [:setup_config]
	-
	test "raise on unmocked request" do
	assert_raise Tesla.Mock.Error, fn ->
	- Client.search()
	+ MockClient.search()
	end
	end
	end
	end

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