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ct.ex
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ct.ex
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defmodule CommonTest do
defdelegate [get_config(required), get_config(required, default)], to: :ct
def ensure(required), do: :ct.require(required)
def pal(s), do: :ct.pal(to_char_list(s))
def pal(fmt, data), do: :ct.pal(to_char_list(fmt), data)
def pal(category, fmt, data), do: :ct.pal(category, to_char_list(fmt), data)
def run(options) do
config = options[:extra]
if config do
options = Keyword.delete options, :extra
options = Keyword.put options, :userconfig, {__MODULE__, encode(config)}
end
:ct.run_test(Keyword.put options, :auto_compile, false)
end
# ct wants config to be an erlang string (list fo chars)
defp encode(config) do
binary_to_list(term_to_binary(config))
end
# callbacks for ct
def read_config(config), do: {:ok, binary_to_term(list_to_binary(config))}
def check_parameter(config), do: {:ok, {:config, config}}
end
defmodule CommonTest.Suite do
defmacro __using__(_) do
quote do
import CommonTest.Suite
def suite, do: []
def init_per_suite(config) do
try do
__init__(config)
rescue FunctionClauseError ->
config
end
end
def end_per_suite(config) do
try do
__end__(config)
rescue FunctionClauseError ->
config
end
end
def __init__(config), do: config
def __end__(_config), do: :ok
def init_per_group(name, config) do
try do
__init_group__(name, config)
rescue FunctionClauseError ->
config
end
end
def end_per_group(name, config) do
try do
__end_group__(name, config)
rescue FunctionClauseError ->
config
end
end
def __init_group__(_name, config), do: config
def __end_group__(_name, _config), do: :ok
def init_per_testcase(name, config) do
try do
__init_testcase__(name, config)
rescue FunctionClauseError ->
config
end
end
def end_per_testcase(name, config) do
try do
__end_testcase__(name, config)
rescue FunctionClauseError ->
config
end
end
def __init_testcase__(_name, config), do: config
def __end_testcase__(_name, _config), do: :ok
Module.register_attribute unquote(__CALLER__.module), :all,
persist: true, accumulate: true
Module.register_attribute unquote(__CALLER__.module), :groups,
persist: true, accumulate: true
Module.register_attribute unquote(__CALLER__.module), :group,
persist: false, accumulate: false
Module.register_attribute unquote(__CALLER__.module), :group_test,
persist: false, accumulate: true
def all do
lc {:all, [test]} inlist module_info(:attributes), do: test
end
def groups do
lc {:groups, [group]} inlist module_info(:attributes), do: group
end
defoverridable [suite: 0, __init__: 1, __end__: 1, __init_group__: 2, __end_group__: 2, __init_testcase__: 2, __end_testcase__: 2]
end
end
defmacro test(test_name, options, [do: block]) do
_test(test_name, Keyword.put(options, :do, block), __CALLER__)
end
defmacro test(test_name, [do: block]) do
_test(test_name, [do: block], __CALLER__)
end
defp _test(name, options, caller) do
name = name_to_atom(name)
cfg = options[:config] || {:_, 0, :quoted}
info = Keyword.delete(Keyword.delete(options, :config), :do)
quote do
if Module.get_attribute(unquote(caller.module), :group) == nil do
@all unquote(name)
else
@group_test unquote(name)
end
def unquote(name).(unquote(cfg)) do
unquote(options[:do])
end
if unquote(info) != [] do
def unquote(name).(), do: unquote(info)
end
end
end
defmacro group(name, type, [do: block]) do
unless is_list(type), do: type = [type]
name = name_to_atom(name)
quote do
Module.delete_attribute unquote(__CALLER__.module), :group_test
@group {unquote(name), unquote(type)}
unquote(block)
@group nil
@groups {unquote(name), unquote(type), Module.get_attribute(unquote(__CALLER__.module), :group_test)}
@all {:group, unquote(name)}
end
end
defp name_to_atom(atom) when is_atom(atom), do: atom
defp name_to_atom(string) when is_binary(string), do: binary_to_atom(string)
defp name_to_atom(string) when is_list(string), do: list_to_atom(string)
end