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#--
# Author:: Daniel DeLeo (<dan@chef.io>)
# Copyright:: Copyright 2015-2016, Chef Software, Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
require "chef/http/socketless_chef_zero_client"
describe Chef::HTTP::SocketlessChefZeroClient do
let(:relative_url) { "" }
let(:uri_str) { "chefzero://localhost:1/#{relative_url}" }
let(:uri) { URI(uri_str) }
subject(:zero_client) { Chef::HTTP::SocketlessChefZeroClient.new(uri) }
it "has a host" do
expect(zero_client.host).to eq("localhost")
end
it "has a port" do
expect(zero_client.port).to eq(1)
end
describe "converting requests to rack format" do
let(:expected_rack_req) do
{
"SCRIPT_NAME" => "",
"SERVER_NAME" => "localhost",
"REQUEST_METHOD" => method.to_s.upcase,
"PATH_INFO" => uri.path,
"QUERY_STRING" => uri.query,
"SERVER_PORT" => uri.port,
"HTTP_HOST" => "localhost:#{uri.port}",
"rack.url_scheme" => "chefzero",
}
end
context "when the request has no body" do
let(:method) { :GET }
let(:relative_url) { "clients" }
let(:headers) { { "Accept" => "application/json" } }
let(:body) { false }
let(:expected_body_str) { "" }
let(:rack_req) { zero_client.req_to_rack(method, uri, body, headers) }
it "creates a rack request env" do
# StringIO doesn't implement == in a way that we can compare, so we
# check rack.input individually and then iterate over everything else
expect(rack_req["rack.input"].string).to eq(expected_body_str)
expected_rack_req.each do |key, value|
expect(rack_req[key]).to eq(value)
end
end
end
context "when the request has a body" do
let(:method) { :PUT }
let(:relative_url) { "clients/foo" }
let(:headers) { { "Accept" => "application/json" } }
let(:body) { "bunch o' JSON" }
let(:expected_body_str) { "bunch o' JSON" }
let(:rack_req) { zero_client.req_to_rack(method, uri, body, headers) }
it "creates a rack request env" do
# StringIO doesn't implement == in a way that we can compare, so we
# check rack.input individually and then iterate over everything else
expect(rack_req["rack.input"].string).to eq(expected_body_str)
expected_rack_req.each do |key, value|
expect(rack_req[key]).to eq(value)
end
end
end
end
describe "converting responses to Net::HTTP objects" do
let(:net_http_response) { zero_client.to_net_http(code, headers, body) }
context "when the request was successful (2XX)" do
let(:code) { 200 }
let(:headers) { { "Content-Type" => "Application/JSON" } }
let(:body) { [ "bunch o' JSON" ] }
it "creates a Net::HTTP success response object" do
expect(net_http_response).to be_a_kind_of(Net::HTTPOK)
expect(net_http_response.read_body).to eq("bunch o' JSON")
expect(net_http_response["content-type"]).to eq("Application/JSON")
end
it "does not fail when calling read_body with a block" do
expect(net_http_response.read_body { |chunk| chunk }).to eq("bunch o' JSON")
end
end
context "when the requested object doesn't exist (404)" do
let(:code) { 404 }
let(:headers) { { "Content-Type" => "Application/JSON" } }
let(:body) { [ "nope" ] }
it "creates a Net::HTTPNotFound response object" do
expect(net_http_response).to be_a_kind_of(Net::HTTPNotFound)
end
end
end
describe "request-response round trip" do
let(:method) { :GET }
let(:relative_url) { "clients" }
let(:headers) { { "Accept" => "application/json" } }
let(:body) { false }
let(:expected_rack_req) do
{
"SCRIPT_NAME" => "",
"SERVER_NAME" => "localhost",
"REQUEST_METHOD" => method.to_s.upcase,
"PATH_INFO" => uri.path,
"QUERY_STRING" => uri.query,
"SERVER_PORT" => uri.port,
"HTTP_HOST" => "localhost:#{uri.port}",
"rack.url_scheme" => "chefzero",
"rack.input" => an_instance_of(StringIO),
}
end
let(:response_code) { 200 }
let(:response_headers) { { "Content-Type" => "Application/JSON" } }
let(:response_body) { [ "bunch o' JSON" ] }
let(:rack_response) { [ response_code, response_headers, response_body ] }
let(:response) { zero_client.request(method, uri, body, headers) }
before do
expect(ChefZero::SocketlessServerMap).to receive(:request).with(1, expected_rack_req).and_return(rack_response)
end
it "makes a rack request to Chef Zero and returns the response as a Net::HTTP object" do
_client, net_http_response = response
expect(net_http_response).to be_a_kind_of(Net::HTTPOK)
expect(net_http_response.code).to eq("200")
expect(net_http_response.body).to eq("bunch o' JSON")
end
end
end
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