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exvcr
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0.1.5
HTTP request/response recording library for elixir, inspired by VCR.
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lib/exvcr/json.ex
defmodule ExVCR.JSON do
@moduledoc """
Provides a feature to store/load cassettes in json format.
"""
@doc """
Save responses into the json file.
"""
def save(file_name, responses) do
json = responses |> Enum.reverse |> JSX.encode!
unless File.exists?(path = Path.dirname(file_name)), do: File.mkdir_p(path)
File.write!(file_name, JSX.prettify!(json))
end
@doc """
Loads the JSON files based on the fixture name and options.
For options, this method just refers to the :custom attribute is set or not.
"""
def load(file_name, custom_mode, adapter) do
case { File.exists?(file_name), custom_mode } do
{ true, _ } -> read_json_file(file_name) |> Enum.map(&adapter.convert_from_string/1)
{ false, true } -> raise %ExVCR.FileNotFoundError{message: "cassette file \"#{file_name}\" not found"}
{ false, _ } -> []
end
end
@doc """
Reads and parse the json file located at the specified file_name.
"""
def read_json_file(file_name) do
File.read!(file_name) |> JSX.decode!
end
end