[add] added query string support

spec/support/request_spec_helper.rb

@@ -15,6 +15,15 @@ module RequestSpecHelper
     "#{'r' if perm_r}#{'w' if perm_w}#{'x' if perm_x}"
   end
 
+  def hash_to_query_string(hash)
+    result = ''
+    hash.each do |k, v|
+      # escape value to be uri save
+      result += "#{k}=#{CGI.escape(v.to_s)}&"
+    end
+    result.delete_suffix('&')
+  end
+
   def list_equals_db?(client_list)
     return false unless Client.count == client_list.count
 

spec/support/request_spec_shared.rb

@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+RSpec.shared_examples 'POST /admin/client 201' do
+  it 'creates client that can read/write and returns 201' do
+    expect(json_response).not_to be_empty
+    expect(json_response['name']).to eq valid_client[:name]
+    expect(json_response['api_key'].length).to eq 82
+    expect(response).to have_http_status(201)
+    api_key = json_response['api_key']
+    # check if request was parsed properly
+    get "/admin/clients/#{valid_client[:name]}", headers: api_key_header(admin_client)
+    expect(json_response).not_to be_empty
+    expect(json_response['name']).to eq valid_client[:name]
+    expect(json_response['description']).to eq valid_client[:description]
+    expect(json_response['permission']).to eq valid_client[:permission]
+    expect(json_response['public_ip']).to eq valid_client[:public_ip]
+    expect(response).to have_http_status(200)
+    # test the new client write
+    put '/client', headers: api_key_header(nil, api_key)
+    expect(json_response).not_to be_empty
+    expect(response).to have_http_status(200)
+    ipv4 = json_response['ipv4']
+    # test the new client read
+    get "/clients/#{valid_client[:name]}", headers: api_key_header(nil, api_key)
+    expect(json_response).not_to be_empty
+    expect(response).to have_http_status(200)
+    expect(json_response['ipv4']).to eq ipv4
+  end
+end