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# frozen_string_literal: true
RSpec.describe Faraday::Options do
SubOptions = Class.new(Faraday::Options.new(:sub_a, :sub_b))
ParentOptions = Faraday::Options.new(:a, :b, :c) do
options c: SubOptions
end
describe '#merge' do
it 'merges options with hashes' do
options = ParentOptions.new(1)
expect(options.a).to eq(1)
expect(options.b).to be_nil
dup = options.merge a: 2, b: 3
expect(dup.a).to eq(2)
expect(dup.b).to eq(3)
expect(options.a).to eq(1)
expect(options.b).to be_nil
end
it 'deeply merges two options' do
sub_opts1 = SubOptions.from(sub_a: 3)
sub_opts2 = SubOptions.from(sub_b: 4)
opt1 = ParentOptions.from(a: 1, c: sub_opts1)
opt2 = ParentOptions.from(b: 2, c: sub_opts2)
merged = opt1.merge(opt2)
expected_sub_opts = SubOptions.from(sub_a: 3, sub_b: 4)
expected = ParentOptions.from(a: 1, b: 2, c: expected_sub_opts)
expect(merged).to eq(expected)
end
it 'deeply merges options with hashes' do
sub_opts1 = SubOptions.from(sub_a: 3)
sub_opts2 = { sub_b: 4 }
opt1 = ParentOptions.from(a: 1, c: sub_opts1)
opt2 = { b: 2, c: sub_opts2 }
merged = opt1.merge(opt2)
expected_sub_opts = SubOptions.from(sub_a: 3, sub_b: 4)
expected = ParentOptions.from(a: 1, b: 2, c: expected_sub_opts)
expect(merged).to eq(expected)
end
it 'deeply merges options with nil' do
sub_opts = SubOptions.new(3, 4)
options = ParentOptions.new(1, 2, sub_opts)
expect(options.a).to eq(1)
expect(options.b).to eq(2)
expect(options.c.sub_a).to eq(3)
expect(options.c.sub_b).to eq(4)
options2 = ParentOptions.from(b: 5, c: nil)
merged = options.merge(options2)
expect(merged.b).to eq(5)
expect(merged.c).to eq(sub_opts)
end
it 'deeply merges options with options having nil sub-options' do
options = ParentOptions.from(a: 1)
sub_opts = SubOptions.new(3, 4)
options2 = ParentOptions.from(b: 2, c: sub_opts)
expect(options.a).to eq(1)
expect(options2.b).to eq(2)
expect(options2.c.sub_a).to eq(3)
expect(options2.c.sub_b).to eq(4)
merged = options.merge(options2)
expect(merged.c).to eq(sub_opts)
end
describe '#dup' do
it 'duplicate options but not sub-options' do
sub_opts = SubOptions.from(sub_a: 3)
opts = ParentOptions.from(b: 1, c: sub_opts)
duped = opts.dup
duped.b = 2
duped.c.sub_a = 4
expect(opts.b).to eq(1)
expect(opts.c.sub_a).to eq(4)
end
end
describe '#deep_dup' do
it 'duplicate options and also suboptions' do
sub_opts = SubOptions.from(sub_a: 3)
opts = ParentOptions.from(b: 1, c: sub_opts)
duped = opts.deep_dup
duped.b = 2
duped.c.sub_a = 4
expect(opts.b).to eq(1)
expect(opts.c.sub_a).to eq(3)
end
end
describe '#clear' do
it 'clears the options' do
options = SubOptions.new(1)
expect(options.empty?).not_to be_truthy
options.clear
expect(options.empty?).to be_truthy
end
end
describe '#empty?' do
it 'returns true only if all options are nil' do
options = SubOptions.new
expect(options.empty?).to be_truthy
options.sub_a = 1
expect(options.empty?).not_to be_truthy
options.delete(:sub_a)
expect(options.empty?).to be_truthy
end
end
describe '#each_key' do
it 'allows to iterate through keys' do
options = ParentOptions.new(1, 2, 3)
enum = options.each_key
expect(enum.next.to_sym).to eq(:a)
expect(enum.next.to_sym).to eq(:b)
expect(enum.next.to_sym).to eq(:c)
end
end
describe '#key?' do
it 'returns true if the key exists and is not nil' do
options = SubOptions.new
expect(options.key?(:sub_a)).not_to be_truthy
options.sub_a = 1
expect(options.key?(:sub_a)).to be_truthy
end
end
describe '#each_value' do
it 'allows to iterate through values' do
options = ParentOptions.new(1, 2, 3)
enum = options.each_value
expect(enum.next).to eq(1)
expect(enum.next).to eq(2)
expect(enum.next).to eq(3)
end
end
describe '#value?' do
it 'returns true if any key has that value' do
options = SubOptions.new
expect(options.value?(1)).not_to be_truthy
options.sub_a = 1
expect(options.value?(1)).to be_truthy
end
end
describe '#update' do
it 'updates options from hashes' do
options = ParentOptions.new(1)
expect(options.a).to eq(1)
expect(options.b).to be_nil
updated = options.update a: 2, b: 3
expect(options.a).to eq(2)
expect(options.b).to eq(3)
expect(updated).to eq(options)
end
end
describe '#delete' do
it 'allows to remove value for key' do
options = ParentOptions.new(1)
expect(options.a).to eq(1)
expect(options.delete(:a)).to eq(1)
expect(options.a).to be_nil
end
end
describe '#from' do
it { expect { ParentOptions.from invalid: 1 }.to raise_error(NoMethodError) }
it 'works with options' do
options = ParentOptions.new(1)
value = ParentOptions.from(options)
expect(value.a).to eq(1)
expect(value.b).to be_nil
end
it 'works with options with sub object' do
sub = SubOptions.new(1)
options = ParentOptions.from a: 1, c: sub
expect(options).to be_a_kind_of(ParentOptions)
expect(options.a).to eq(1)
expect(options.b).to be_nil
expect(options.c).to be_a_kind_of(SubOptions)
expect(options.c.sub_a).to eq(1)
end
it 'works with hash' do
options = ParentOptions.from a: 1
expect(options).to be_a_kind_of(ParentOptions)
expect(options.a).to eq(1)
expect(options.b).to be_nil
end
it 'works with hash with sub object' do
options = ParentOptions.from a: 1, c: { sub_a: 1 }
expect(options).to be_a_kind_of(ParentOptions)
expect(options.a).to eq(1)
expect(options.b).to be_nil
expect(options.c).to be_a_kind_of(SubOptions)
expect(options.c.sub_a).to eq(1)
end
it 'works with deep hash' do
hash = { b: 1 }
options = ParentOptions.from a: hash
expect(options.a[:b]).to eq(1)
hash[:b] = 2
expect(options.a[:b]).to eq(1)
options.a[:b] = 3
expect(hash[:b]).to eq(2)
expect(options.a[:b]).to eq(3)
end
it 'works with nil' do
options = ParentOptions.from(nil)
expect(options).to be_a_kind_of(ParentOptions)
expect(options.a).to be_nil
expect(options.b).to be_nil
end
it 'respects inheritance' do
subclass = Class.new(ParentOptions)
options = subclass.from(c: { sub_a: 'hello' })
expect(options.c).to be_a_kind_of(SubOptions)
expect(options.c.sub_a).to eq('hello')
end
end
describe '#memoized' do
subject(:options_class) { Class.new(ParentOptions) }
it 'requires block' do
expect { options_class.memoized(:a) }.to raise_error(ArgumentError)
end
it 'accepts block' do
options_class.memoized(:a) { :foo }
expect(options_class.new.a).to eql(:foo)
end
end
describe '#fetch' do
subject { SubOptions.new }
context 'when the fetched key has no value' do
it 'uses falsey default' do
expect(subject.fetch(:sub_a, false) { |_| :blah }).to be_falsey
end
it 'accepts block' do
expect(subject.fetch(:sub_a) { |k| "yo #{k.inspect}" }).to eq('yo :sub_a')
end
it 'needs a default if key is missing' do
expect { subject.fetch(:sub_a) }.to raise_error(Faraday::Options.fetch_error_class)
end
end
context 'when the fetched key has a value' do
before do
subject.sub_a = 1
end
it 'grabs value' do
expect(subject.fetch(:sub_a, false) { |_| :blah }).to eq(1)
end
it 'works with key' do
expect(subject.fetch(:sub_a)).to eq(1)
end
end
end
end
end
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