Gist of code changes & specs for the http url issue

http_url_issue_with_specs.diff

diff --git a/lib/azure/rest.rb b/lib/azure/rest.rb
index 2135475..2b91068 100755
--- a/lib/azure/rest.rb
+++ b/lib/azure/rest.rb
@@ -36,8 +36,7 @@ module AzureAPI
                     services = true)
       svc_str = services ? '/services' : ''
       uri = URI.parse("#{@host_name}/#{@subscription_id}#{svc_str}/#{service_name}")
-      scheme = !uri.scheme ? "https://" : ""
-      request_url = "#{scheme}#{@host_name}/#{@subscription_id}#{svc_str}/#{service_name}"
+      request_url = "#{Rest.get_scheme_for_request_url(uri)}#{@host_name}/#{@subscription_id}#{svc_str}/#{service_name}"
       print '.'
       response = http_query(request_url, verb, body, params)
       if response.code.to_i == 307
@@ -60,8 +59,7 @@ module AzureAPI
 
     def query_for_completion()
       uri = URI.parse("#{@host_name}/#{@subscription_id}/operations/#{@last_request_id}")
-      scheme = !uri.scheme ? "https://" : ""
-      request_url = "#{scheme}#{@host_name}/#{@subscription_id}/operations/#{@last_request_id}"
+      request_url = "#{Rest.get_scheme_for_request_url(uri)}#{@host_name}/#{@subscription_id}/operations/#{@last_request_id}"
       response = http_query(request_url, 'get', '', '')
       if response.code.to_i == 307
         Chef::Log.debug "Redirect to #{response['Location']}"
@@ -117,5 +115,10 @@ module AzureAPI
       puts "=== all of the headers ==="
       puts response.each_header { |h, j| puts h.inspect + ' : ' + j.inspect}
     end
+
+    private
+    def self.get_scheme_for_request_url(uri)
+      !uri.scheme ? "https://" : ""
+    end
   end
 end
diff --git a/spec/unit/rest_spec.rb b/spec/unit/rest_spec.rb
new file mode 100644
index 0000000..dc0c7f7
--- /dev/null
+++ b/spec/unit/rest_spec.rb
@@ -0,0 +1,15 @@
+describe AzureAPI::Rest do
+
+  context 'get scheme for request url' do
+    it "should return https if there is no scheme present in the url" do
+      uri = URI.parse("management.core.windows.net")
+      expect(AzureAPI::Rest.get_scheme_for_request_url(uri)).to eq("https://")
+    end
+
+    it "should return blank string if scheme is present in the url" do
+      uri = URI.parse("https://management.core.windows.net")
+      expect(AzureAPI::Rest.get_scheme_for_request_url(uri)).to eq("")
+    end
+  end
+
+end
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