(maint) Convert specs for /vm/template

spec/vmpooler/api/v1/vm_template_spec.rb

@@ -0,0 +1,205 @@
+require 'spec_helper'
+require 'rack/test'
+
+module Vmpooler
+  class API
+    module Helpers
+      def authenticate(auth, username_str, password_str)
+        username_str == 'admin' and password_str == 's3cr3t'
+      end
+    end
+  end
+end
+
+def redis
+  @redis ||= Redis.new
+end
+
+def create_token(token, user, timestamp)
+  redis.hset("vmpooler__token__#{token}", 'user', user)
+  redis.hset("vmpooler__token__#{token}", 'created', timestamp)
+end
+
+def create_vm(template, name)
+  redis.sadd('vmpooler__ready__' + template, name)
+end
+
+def fetch_vm(vm)
+  redis.hgetall("vmpooler__vm__#{vm}")
+end
+
+def clear_pool(pool)
+  ['ready'].each do |state| # TODO add more states if desired
+    redis.del("vmpooler__#{state}__#{pool}")
+  end
+end
+
+describe Vmpooler::API::V1 do
+  include Rack::Test::Methods
+
+  def app()
+    Vmpooler::API
+  end
+
+  describe '/vm/:template' do
+    let(:prefix) { '/api/v1' }
+
+    let(:config) {
+      {
+        config: {
+          'site_name' => 'test pooler',
+          'vm_lifetime_auth' => 2,
+        },
+        pools: [
+          {'name' => 'pool1', 'size' => 5},
+          {'name' => 'pool2', 'size' => 10}
+        ],
+        alias: { 'poolone' => 'pool1' },
+      }
+    }
+
+    let(:current_time) { Time.now }
+
+    before(:each) do
+      redis.flushdb
+
+      app.settings.set :config, config
+      app.settings.set :redis, redis
+      app.settings.set :config, auth: false
+      create_token('abcdefghijklmnopqrstuvwxyz012345', 'jdoe', current_time)
+    end
+
+    describe 'POST /vm/:template' do
+      it 'returns a single VM' do
+        clear_pool 'pool1'
+        create_vm 'pool1', 'abcdefghijklmnop'
+
+        post "#{prefix}/vm/pool1", ''
+        expect_json(ok = true, http = 200)
+
+        expected = {
+          ok: true,
+          pool1: {
+            hostname: 'abcdefghijklmnop'
+          }
+        }
+
+        expect(last_response.body).to eq(JSON.pretty_generate(expected))
+      end
+
+      it 'returns a single VM for an alias' do
+        clear_pool 'pool1'
+        create_vm 'pool1', 'abcdefghijklmnop'
+
+        post "#{prefix}/vm/poolone", ''
+
+        expected = {
+          ok: true,
+          pool1: {
+            hostname: 'abcdefghijklmnop'
+          }
+        }
+        expect_json(ok = true, http = 200)
+
+        expect(last_response.body).to eq(JSON.pretty_generate(expected))
+      end
+
+      it 'fails on nonexistant pools' do
+        clear_pool 'poolpoolpool'
+
+        post "#{prefix}/vm/poolpoolpool", ''
+        expect_json(ok = false, http = 404)
+      end
+
+      it 'returns multiple VMs' do
+        clear_pool 'pool1'
+        create_vm 'pool1', 'abcdefghijklmnop'
+        create_vm 'pool2', 'qrstuvwxyz012345'
+
+        post "#{prefix}/vm/pool1+pool2", ''
+        expect_json(ok = true, http = 200)
+
+        expected = {
+          ok: true,
+          pool1: {
+            hostname: 'abcdefghijklmnop'
+          },
+          pool2: {
+            hostname: 'qrstuvwxyz012345'
+          }
+        }
+
+        expect(last_response.body).to eq(JSON.pretty_generate(expected))
+      end
+
+      context '(auth not configured)' do
+        it 'does not extend VM lifetime if auth token is provided' do
+          app.settings.set :config, auth: true
+
+          clear_pool 'pool1'
+          create_vm 'pool1', 'abcdefghijklmnop'
+
+          post "#{prefix}/vm/pool1", '', {
+            'HTTP_X_AUTH_TOKEN' => 'abcdefghijklmnopqrstuvwxyz012345'
+          }
+          expect_json(ok = true, http = 200)
+
+          expected = {
+            ok: true,
+            pool1: {
+              hostname: 'abcdefghijklmnop'
+            }
+          }
+
+          expect(last_response.body).to eq(JSON.pretty_generate(expected))
+        end
+      end
+
+      context '(auth configured)' do
+        it 'extends VM lifetime if auth token is provided' do
+          app.settings.set :config, auth: true
+
+          clear_pool 'pool1'
+          create_vm 'pool1', 'abcdefghijklmnop'
+
+          post "#{prefix}/vm/pool1", '', {
+            'HTTP_X_AUTH_TOKEN' => 'abcdefghijklmnopqrstuvwxyz012345'
+          }
+          expect_json(ok = true, http = 200)
+
+          expected = {
+            ok: true,
+            pool1: {
+              hostname: 'abcdefghijklmnop'
+            }
+          }
+          expect(last_response.body).to eq(JSON.pretty_generate(expected))
+
+          vm = fetch_vm('abcdefghijklmnop')
+          expect(vm['lifetime'].to_i).to eq(2)
+        end
+
+        it 'does not extend VM lifetime if auth token is not provided' do
+          app.settings.set :config, auth: true
+          clear_pool 'pool1'
+          create_vm 'pool1', 'abcdefghijklmnop'
+
+          post "#{prefix}/vm/pool1", ''
+
+          expected = {
+            ok: true,
+            pool1: {
+              hostname: 'abcdefghijklmnop'
+            }
+          }
+          expect_json(ok = true, http = 200)
+
+          expect(last_response.body).to eq(JSON.pretty_generate(expected))
+
+          vm = fetch_vm('abcdefghijklmnop')
+          expect(vm['lifetime']).to be_nil
+        end
+      end
+    end
+  end
+end