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espec
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BDD testing framework for Elixir inspired by RSpec.
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lib/espec.ex
defmodule ESpec do
@moduledoc """
The ESpec basic module. Imports a lot of ESpec components.
One should `use` the module in spec modules.
"""
@spec_agent_name :espec_specs_agent
defmacro __using__(args) do
quote do
unquote(__MODULE__).add_spec(__MODULE__)
import unquote(__MODULE__)
Module.register_attribute __MODULE__, :examples, accumulate: true
@context []
@shared unquote(args)[:shared]
@before_compile unquote(__MODULE__)
import ESpec.Context
import ESpec.Example
import ESpec.Expect
use ESpec.Expect
import ESpec.Should
use ESpec.Should
import ESpec.AssertionHelpers
import ESpec.Allow
import ESpec.Before
import ESpec.Finally
import ESpec.Let
end
end
defmacro __before_compile__(_env) do
quote do
def examples, do: Enum.reverse(@examples)
end
end
def configure(func), do: ESpec.Configuration.configure(func)
@doc "Runs the examples and prints results"
def run do
examples = ESpec.Runner.run
ESpec.Formatter.print_result(examples)
!Enum.any?(ESpec.Example.failure(examples))
end
@doc "Starts ESpec. Starts agents to store specs, mocks, cache 'let' values, etc."
def start do
{:ok, _} = Application.ensure_all_started(:espec)
ESpec.Assertions.init
start_specs_agent
ESpec.Let.start_agent
ESpec.Mock.start_agent
end
@doc "Register custom assertions"
def register_assertions(assertions) do
ESpec.Assertions.register(assertions)
end
defp start_specs_agent do
Agent.start_link(fn -> [] end, name: @spec_agent_name)
end
def specs do
Agent.get(@spec_agent_name, &(&1))
end
def add_spec(module) do
Agent.update(@spec_agent_name, &[module | &1])
end
end