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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe ::Graphql::Var do
subject(:var) { described_class.new('foo', 'Int') }
it 'associates a name with a type and an initially empty value' do
expect(var).to have_attributes(
name: 'foo',
type: 'Int',
value: be_nil
)
end
it 'has a correct signature' do
expect(var).to have_attributes(sig: '$foo: Int')
end
it 'implements to_graphql_value as $name' do
expect(var.to_graphql_value).to eq('$foo')
end
it 'can set a value using with, returning a new object' do
with_value = var.with(42)
expect(with_value).to have_attributes(name: 'foo', type: 'Int', value: 42)
expect(var).to have_attributes(value: be_nil)
end
it 'returns an object suitable for passing to post_graphql(variables:)' do
expect(var.with(17).to_h).to eq('foo' => 17)
end
end
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