Add spec for BitbucketServer::Connection

app/controllers/import/bitbucket_server_controller.rb

@@ -21,7 +21,7 @@ class Import::BitbucketServerController < Import::BaseController
                    Net::OpenTimeout,
                    Net::ReadTimeout,
                    Gitlab::HTTP::BlockedUrlError,
-                   BitbucketServer::Error::Unauthorized].freeze
+                   BitbucketServer::Connection::ConnectionError].freeze
 
   def new
   end

lib/bitbucket_server/client.rb

@@ -18,7 +18,6 @@ module BitbucketServer
 
     def repo(project, repo_name)
       parsed_response = connection.get("/projects/#{project}/repos/#{repo_name}")
-      # XXXX TODO Handle failure
       BitbucketServer::Representation::Repo.new(parsed_response)
     end
 

lib/bitbucket_server/connection.rb

@@ -6,6 +6,8 @@ module BitbucketServer
 
     attr_reader :api_version, :base_uri, :username, :token
 
+    ConnectionError = Class.new(StandardError)
+
     def initialize(options = {})
       @api_version   = options.fetch(:api_version, DEFAULT_API_VERSION)
       @base_uri      = options[:base_uri]
@@ -19,6 +21,7 @@ module BitbucketServer
                                   query: extra_query)
 
       check_errors!(response)
+
       response.parsed_response
     end
 
@@ -29,6 +32,7 @@ module BitbucketServer
                         body: body)
 
       check_errors!(response)
+
       response
     end
 
@@ -37,13 +41,13 @@ module BitbucketServer
     def check_errors!(response)
       if response.code != 200
         error =
-          if response.parsed_response
+          if response.parsed_response && response.parsed_response.is_a?(Hash)
             sanitize(response.parsed_response.dig('errors', 0, 'message'))
           end
 
         message = "Error #{response.code}"
         message += ": #{error}" if error
-        raise ::BitbucketServer::Error::Unauthorized, message
+        raise ConnectionError, message
       end
     end
 

lib/bitbucket_server/error/unauthorized.rb

@@ -1,5 +0,0 @@
-module BitbucketServer
-  module Error
-    Unauthorized = Class.new(StandardError)
-  end
-end

spec/lib/bitbucket_server/connection_spec.rb

@@ -0,0 +1,28 @@
+require 'spec_helper'
+
+describe BitbucketServer::Connection do
+  let(:options) { { base_uri: 'https://test:7990', user: 'bitbucket', password: 'mypassword' } }
+  let(:payload) { { 'test' => 1 } }
+  let(:headers) { { "Content-Type" => "application/json" } }
+
+  subject { described_class.new(options) }
+
+  describe '#get' do
+    let(:url) { 'https://test:7990/rest/api/1.0/test?something=1' }
+
+    it 'returns JSON body' do
+      WebMock.stub_request(:get, url).to_return(body: payload.to_json, status: 200, headers: headers)
+
+      expect(subject.get(url, { something: 1 })).to eq(payload)
+    end
+
+    it 'throws an exception if the response is not 200' do
+      WebMock.stub_request(:get, url).to_return(body: payload.to_json, status: 500, headers: headers)
+
+      expect { subject.get(url) }.to raise_error(described_class::ConnectionError)
+    end
+  end
+
+  describe '#post' do
+  end
+end