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Bypass provides a quick way to create a custom plug that can be put in place instead of an actual HTTP server to return prebaked responses to client requests. This is helpful when you want to create a mock HTTP server and test how your HTTP client handles different types of server responses.
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Files
lib/bypass/state.ex
defmodule Bypass.State do
def name(ref), do: {:global, {Bypass, ref}}
def get_fun(ref) do
Agent.get(name(ref), fn s -> s.fun end)
end
def get_result(ref) do
Agent.get(name(ref), fn s -> s.result end)
end
def put_result(ref, result) do
Agent.update(name(ref), fn s -> %{s | result: result} end)
end
def put_fun(ref, fun) do
Agent.update(name(ref), fn s -> %{s | fun: fun} end)
end
def make_socket(ref, port) do
Agent.get_and_update(name(ref), fn s ->
{:ok, socket} = :ranch_tcp.listen(port: port)
{socket, %{s | socket: socket}}
end)
end
def get_socket(ref) do
Agent.get(name(ref), fn s -> s.socket end)
end
end