Cleanup deploymentsd controller spec and use schema validation to test the output

spec/controllers/projects/deployments_controller_spec.rb

@@ -6,16 +6,15 @@ describe Projects::DeploymentsController do
   let(:user) { create(:user) }
   let(:project) { create(:empty_project) }
   let(:environment) { create(:environment, name: 'production', project: project) }
-  let(:deployment) { create(:deployment, project: project, environment: environment) }
 
   before do
-    project.team << [user, :master]
+    project.add_master(user)
 
     sign_in(user)
   end
 
   describe 'GET #index' do
-    it 'returns list of deployments withing last 8 hours' do
+    it 'returns list of deployments from last 8 hours' do
       create(:deployment, environment: environment, created_at: 9.hours.ago)
       create(:deployment, environment: environment, created_at: 7.hours.ago)
       create(:deployment, environment: environment)
@@ -31,13 +30,9 @@ describe Projects::DeploymentsController do
       create(:deployment, environment: environment)
 
       get :index, environment_params
-      expect(response).to be_ok
-
-      deployments = json_response['deployments']
-      deployment_info = deployments.first.with_indifferent_access
 
-      expect(deployments.count).to eq(1)
-      expect(deployment_info).to include(:id, :iid, :sha, :ref, :tag, :created_at)
+      expect(response).to be_ok
+      expect(response).to match_response_schema('deployments')
     end
   end
 

spec/fixtures/api/schemas/deployments.json

+{
+  "additionalProperties": false,
+  "properties": {
+    "deployments": {
+      "items": {
+        "additionalProperties": false,
+        "properties": {
+          "created_at": {
+            "type": "string"
+          },
+          "id": {
+            "type": "integer"
+          },
+          "iid": {
+            "type": "integer"
+          },
+          "last?": {
+            "type": "boolean"
+          },
+          "ref": {
+            "additionalProperties": false,
+            "properties": {
+              "name": {
+                "type": "string"
+              }
+            },
+            "required": [
+              "name"
+            ],
+            "type": "object"
+          },
+          "sha": {
+            "type": "string"
+          },
+          "tag": {
+            "type": "boolean"
+          }
+        },
+        "required": [
+          "sha",
+          "created_at",
+          "iid",
+          "tag",
+          "last?",
+          "ref",
+          "id"
+        ],
+        "type": "object"
+      },
+      "minItems": 1,
+      "type": "array"
+    }
+  },
+  "required": [
+    "deployments"
+  ],
+  "type": "object"
+}