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require "test_helper"
class OptionTest < Minitest::Spec
describe "positional and kws" do
def assert_result(result, block = nil)
_(result).must_equal([{a: 1}, 2, {b: 3}, block])
_(positional.inspect).must_equal %({:a=>1})
_(keywords.inspect).must_equal %({:a=>2, :b=>3})
end
class Step
def with_positional_and_keywords(options, a: nil, **more_options, &block)
[options, a, more_options, block]
end
end
WITH_POSITIONAL_AND_KEYWORDS = ->(options, a: nil, **more_options, &block) do
[options, a, more_options, block]
end
class WithPositionalAndKeywords
def self.call(options, a: nil, **more_options, &block)
[options, a, more_options, block]
end
end
let(:positional) { {a: 1} }
let(:keywords) { {a: 2, b: 3} }
let(:block) { ->(*) { snippet } }
describe ":method" do
let(:option) { Trailblazer::Option(:with_positional_and_keywords) }
it "passes through all args" do
step = Step.new
# positional = { a: 1 }
# keywords = { a: 2, b: 3 }
assert_result option.(positional, keyword_arguments: keywords, exec_context: step)
end
it "allows passing a block, too" do
step = Step.new
assert_result option.(positional, keyword_arguments: keywords, exec_context: step, &block), block
end
end
describe "lambda" do
let(:option) { Trailblazer::Option(WITH_POSITIONAL_AND_KEYWORDS) }
it "-> {} lambda" do
step = Step.new
assert_result option.(positional, **{keyword_arguments: keywords, exec_context: step})
end
end
describe "Callable" do
let(:option) { Trailblazer::Option(WithPositionalAndKeywords) }
it "passes through all args" do
assert_result option.(positional, keyword_arguments: keywords, exec_context: nil)
end
it "allows passing a block, too" do
assert_result option.(positional, keyword_arguments: keywords, exec_context: nil, &block), block
end
end
end
describe "positionals" do
def assert_result_pos(result)
_(result).must_equal([1, 2, [3, 4]])
_(positionals).must_equal [1, 2, 3, 4]
end
# In Ruby < 3.0, {*args} will grab both positionals and keyword arguments.
class Step
def with_positionals(a, b, *args)
[a, b, args]
end
end
WITH_POSITIONALS = ->(a, b, *args) do
[a, b, args]
end
class WithPositionals
def self.call(a, b, *args)
[a, b, args]
end
end
let(:positionals) { [1, 2, 3, 4] }
it ":method" do
step = Step.new
option = Trailblazer::Option(:with_positionals)
assert_result_pos option.(*positionals, exec_context: step)
end
it "-> {} lambda" do
option = Trailblazer::Option(WITH_POSITIONALS)
assert_result_pos option.(*positionals, exec_context: "something")
end
it "callable" do
option = Trailblazer::Option(WithPositionals)
assert_result_pos option.(*positionals, exec_context: "something")
end
end
describe "keywords" do
def assert_result_kws(result)
_(keywords).must_equal({ a: 1, b: 2, c: 3, d: 4 })
_(result).must_equal([1, 2, { c: 3, d: 4 }])
end
# In Ruby < 3.0, {*args} will grab both positionals and keyword arguments.
class Step
def with_keywords(a:, b:, **rest)
[a, b, rest]
end
end
WITH_KEYWORDS = ->(a:, b:, **rest) do
[a, b, rest]
end
class WithKeywords
def self.call(a:, b:, **rest)
[a, b, rest]
end
end
let(:keywords) { { a: 1, b: 2, c: 3, d: 4 } }
it ":method" do
step = Step.new
option = Trailblazer::Option(:with_keywords)
assert_result_kws option.(keyword_arguments: keywords, exec_context: step)
end
it "-> {} lambda" do
option = Trailblazer::Option(WITH_KEYWORDS)
assert_result_kws option.(keyword_arguments: keywords, exec_context: "something")
end
it "callable" do
option = Trailblazer::Option(WithKeywords)
assert_result_kws option.(keyword_arguments: keywords, exec_context: "something")
end
end
describe "no arguments" do
def assert_result_no_args(result)
_(result).must_equal([])
end
class Step
def with_no_args
[]
end
end
class WithNoArgs
def self.call
[]
end
end
WITH_NO_ARGS = -> { [] }
it ":method" do
step = Step.new
option = Trailblazer::Option(:with_no_args)
assert_result_no_args option.(exec_context: step)
end
it "-> {} lambda" do
option = Trailblazer::Option(WITH_NO_ARGS)
assert_result_no_args option.(exec_context: "something")
end
it "callable" do
option = Trailblazer::Option(WithNoArgs)
assert_result_no_args option.(exec_context: "something")
end
end
end
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