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values_spec.rb
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values_spec.rb
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require 'spec_helper'
describe Grape::Validations::ValuesValidator do
module ValidationsSpec
module ValuesValidatorSpec
class API < Grape::API
default_format :json
params do
requires :type, values: ['valid-type1', 'valid-type2', 'valid-type3']
end
get '/' do
{ type: params[:type] }
end
params do
optional :type, values: ['valid-type1', 'valid-type2', 'valid-type3'], default: 'valid-type2'
end
get '/default/valid' do
{ type: params[:type] }
end
end
end
end
def app
ValidationsSpec::ValuesValidatorSpec::API
end
it 'allows a valid value for a parameter' do
get("/", type: 'valid-type1')
last_response.status.should eq 200
last_response.body.should eq({ type: "valid-type1" }.to_json)
end
it 'does not allow an invalid value for a parameter' do
get("/", type: 'invalid-type')
last_response.status.should eq 400
last_response.body.should eq({ error: "type does not have a valid value" }.to_json)
end
it 'does not allow nil value for a parameter' do
get("/", type: nil)
last_response.status.should eq 400
last_response.body.should eq({ error: "type does not have a valid value" }.to_json)
end
it 'allows a valid default value' do
get("/default/valid")
last_response.status.should eq 200
last_response.body.should eq({ type: "valid-type2" }.to_json)
end
it 'raises IncompatibleOptionValues on an invalid default value' do
subject = Class.new(Grape::API)
expect {
subject.params { optional :type, values: ['valid-type1', 'valid-type2', 'valid-type3'], default: 'invalid-type' }
}.to raise_error Grape::Exceptions::IncompatibleOptionValues
end
it 'raises IncompatibleOptionValues when type is incompatible with values array' do
subject = Class.new(Grape::API)
expect {
subject.params { optional :type, values: ['valid-type1', 'valid-type2', 'valid-type3'], type: Symbol }
}.to raise_error Grape::Exceptions::IncompatibleOptionValues
end
end