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describe Excon::Connection do
include_context('stubs')
describe 'validating parameters' do
class FooMiddleware < Excon::Middleware::Base
def self.valid_parameter_keys
[:foo]
end
end
let(:foo_stack) do
Excon.defaults[:middlewares] + [FooMiddleware]
end
def expect_parameter_warning(validation, key)
expect { yield }.to raise_error(Excon::Error::Warning, "Invalid Excon #{validation} keys: #{key.inspect}")
end
context 'with default middleware' do
it 'Connection.new warns on invalid parameter keys' do
expect_parameter_warning('connection', :foo) do
Excon.new('http://foo', :foo => :bar)
end
end
it 'Connection#request warns on invalid parameter keys' do
conn = Excon.new('http://foo')
expect_parameter_warning('request', :foo) do
conn.request(:foo => :bar)
end
end
end
context 'with custom middleware at instantiation' do
it 'Connection.new accepts parameters that are valid for the provided middleware' do
Excon.new('http://foo', :foo => :bar, :middlewares => foo_stack)
end
it 'Connection.new warns on parameters that are not valid for the provided middleware' do
expect_parameter_warning('connection', :bar) do
Excon.new('http://foo', :bar => :baz, :middlewares => foo_stack)
end
end
it 'Connection#request accepts parameters that are valid for the provided middleware' do
Excon.stub({}, {})
conn = Excon.new('http://foo', :middlewares => foo_stack)
conn.request(:foo => :bar)
end
it 'Connection#request warns on parameters that are not valid for the provided middleware' do
conn = Excon.new('http://foo', :middlewares => foo_stack)
expect_parameter_warning('request', :bar) do
conn.request(:bar => :baz)
end
end
end
context 'with custom middleware at request time' do
it 'Connection#request accepts parameters that are valid for the provided middleware' do
Excon.stub({}, {})
conn = Excon.new('http://foo')
conn.request(:foo => :bar, :middlewares => foo_stack)
end
it 'Connection#request warns on parameters that are not valid for the request middleware' do
conn = Excon.new('http://foo')
expect_parameter_warning('request', :bar) do
conn.request(:bar => :baz, :middlewares => foo_stack)
end
end
it 'Connection#request warns on parameters from instantiation that are not valid for the request middleware' do
conn = Excon.new('http://foo', :foo => :bar, :middlewares => foo_stack)
expect_parameter_warning('connection', :foo) do
conn.request(:middlewares => Excon.defaults[:middlewares])
end
end
end
end
end
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