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BDD testing framework for Elixir inspired by RSpec.
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lib/espec/to.ex
defmodule ESpec.To do
@moduledoc """
Defines `to`, `to_not` and `not_to` helper functions.
The functions implement syntax: 'expect 1 |> to eq 1'
These functions wrap arguments for `ESpec.ExpectTo` module.
Also defines `to` helper function for mocking without parenthesis:
`allow SomeModule |> to accept(:f, fn(a) -> "mock" end)`
These functions wrap arguments for `ESpec.AllowTo` module.
"""
alias ESpec.AllowTo
alias ESpec.ExpectTo
@doc "Wrappers for `ESpec.AllowTo.to`."
def to(module, {:accept, name, function}) when is_atom(name) do
AllowTo.to({:accept, name, function}, {AllowTo, module})
end
@doc false
def to(module, {:accept, name, function, meck_options})
when is_atom(name) and is_list(meck_options) do
AllowTo.to({:accept, name, function, meck_options}, {AllowTo, module})
end
@doc false
def to(module, {:accept, list}) when is_list(list) do
AllowTo.to({:accept, list}, {AllowTo, module})
end
@doc false
def to(module, {:accept, list, meck_options}) when is_list(list) and is_list(meck_options) do
AllowTo.to({:accept, list, meck_options}, {AllowTo, module})
end
@doc false
def to(module, {:accept, name}) when is_atom(name) do
AllowTo.to({:accept, name}, {AllowTo, module})
end
@doc "Special case for `is_expected` when `subject` present."
def to({ExpectTo, subject, stacktrace}, {module, data}) do
ExpectTo.to({module, data}, {ExpectTo, subject, stacktrace})
end
@doc "Wrapper for `ESpec.ExpectTo.to`."
def to(subject, {module, data}) do
ExpectTo.to({module, data}, {ExpectTo, subject, ESpec.Expect.pruned_stacktrace()})
end
@doc "Special case for `is_expected` when `subject` present."
def to_not({ExpectTo, subject, stacktrace}, {module, data}) do
ExpectTo.to_not({module, data}, {ExpectTo, subject, stacktrace})
end
@doc "Wrapper for `ESpec.ExpectTo.to_not`."
def to_not(subject, {module, data}) do
ExpectTo.to_not({module, data}, {ExpectTo, subject, ESpec.Expect.pruned_stacktrace()})
end
@doc "Special case for `is_expected` when `subject` present."
def not_to({ExpectTo, subject, stacktrace}, {module, data}) do
to_not({ExpectTo, subject, stacktrace}, {module, data})
end
@doc "Wrapper for `ESpec.ExpectTo.not_to`."
def not_to(subject, {module, data}) do
to_not(subject, {module, data})
end
end