Jenkinsfile

@@ -26,10 +26,10 @@ pipeline {
     stage('Run tests') {
       steps {
         catchError(buildResult: 'UNSTABLE', stageResult: 'FAILURE') {
-	  sh 'cucumber features --format html --out coverage/cucumber.html'
+	  sh 'cucumber features --format html --out cucumber.html'
         }
         catchError(buildResult: 'UNSTABLE', stageResult: 'FAILURE') {
-          sh 'rspec spec --format html --out coverage/spec.html'
+          sh 'rspec spec --format html --out spec.html'
         }
       }
     }
@@ -40,8 +40,8 @@ pipeline {
           allowMissing: false,
           alwaysLinkToLastBuild: false,
           keepAll: true,
-          reportDir: 'coverage',
+          reportDir: '.',
-          reportFiles: 'cucumber.html, spec.html, index.html',
+          reportFiles: 'cucumber.html, spec.html, coverage/index.html',
           reportName: 'Test Results',
           reportTitles: 'Cucumber Results, RSpec Results, Test Coverage'])
       }

app.rb

@@ -2,6 +2,7 @@ require 'roda'
 require 'securerandom'
 require 'json'
 require 'sequel'
+require 'open-uri'
 
 class App < Roda
   plugin :sessions, secret: ENV.delete('APP_SESSION_SECRET')
@@ -33,6 +34,20 @@ class App < Roda
         flash['message'] = "Please enter a valid URL";
         r.redirect '/'
       end
+
+      begin
+        OpenURI.open_uri(url)
+      rescue URI::BadURIError
+        flash['message'] = "Invalid URL"
+        r.redirect '/'
+      rescue OpenURI::HTTPError
+        flash['message'] = "URL not found"
+        r.redirect '/'
+      rescue SocketError => e
+        flash['message'] = "URL does not resolve"
+        r.redirect '/'
+      end
+
       if links.filter(:url => url).first.nil?
         code = SecureRandom.urlsafe_base64 4
         links.insert(url: url, code: code) 
@@ -46,7 +61,8 @@ class App < Roda
     r.on "links" do
       r.post do
         if 'application/json' != r.headers['CONTENT_TYPE']
-          return {message: "Not a valid JSON request"}.to_json
+          response.status = 400
+          return {message: "not a valid json request"}.to_json
         end
 
         url = r.params['url']
@@ -60,6 +76,19 @@ class App < Roda
           return {message: "invalid url parameter"}.to_json
         end
 
+        begin
+          OpenURI.open_uri(url)
+        rescue URI::BadURIError
+          response.status = 400
+          return {message: "invalid url parameter"}.to_json
+        rescue OpenURI::HTTPError
+          response.status = 400
+          return {message: "url not found"}.to_json
+        rescue SocketError => e
+          response.status = 400
+          return {message: "url does not resolve"}.to_json
+        end
+
         if links.filter(:url => url).first.nil?
           code = SecureRandom.urlsafe_base64 4
           links.insert(url: url, code: code) 

features/step_definitions/steps.rb

@@ -63,7 +63,7 @@ Then('I should be redirected to {string}') do |string|
 end
 
 Then('The status code should be {int}') do |code|
-  puts page.status_code.should eq(code)
+  page.status_code.should eq(code)
 end
 
 

features/submit.feature

@@ -26,3 +26,27 @@ Feature: Submit
     And I click the "Submit" button
     Then I should be on "/create" page
     And I should see the message "Link exists"
+
+  @db-test
+  Scenario: Submitting the form with a URL that is 404
+    Given I visit the "/" page
+    When I type "http://google.com/example" in the "url" field
+    And I click the "Submit" button
+    Then I should be on "/" page
+    And I should see the message "URL not found"
+
+  @db-test
+  Scenario: Submitting the form with a URL that does not resolve
+    Given I visit the "/" page
+    When I type "http://bad.tld" in the "url" field
+    And I click the "Submit" button
+    Then I should be on "/" page
+    And I should see the message "URL does not resolve"
+
+  @db-test
+  Scenario: Submitting the form with an invalid URL
+    Given I visit the "/" page
+    When I type "not-an-url" in the "url" field
+    And I click the "Submit" button
+    Then I should be on "/" page
+    And I should see the message "Invalid URL"

spec/create_spec.rb

@@ -1,3 +1,6 @@
+require 'simplecov'
+SimpleCov.start
+
 require_relative '../.env'
 ENV["DB_NAME"] = "test_#{ENV["DB_NAME"]}"
 require_relative '../app'
@@ -45,8 +48,8 @@ describe "Submit API request to create new link" do
     expect(last_response.status).to eq(400)
     response_json = JSON.parse(last_response.body)
     expect(response_json['message']).to eq('invalid url parameter')
-
   end
+
   it "should return with a 400 status and 'missing url parameter' message when an empty url is submitted" do
     data = {
     }
@@ -54,7 +57,45 @@ describe "Submit API request to create new link" do
     expect(last_response.status).to eq(400)
     response_json = JSON.parse(last_response.body)
     expect(response_json['message']).to eq('missing url parameter')
-
-  end
   end
 
+  it "should return with a 400 status and 'invalid url parameter' message when an invalid url is submitted" do
+    data = {
+      url: 'not-an-url'
+    }
+    post('/links', data.to_json, "CONTENT_TYPE" => "application/json")
+    expect(last_response.status).to eq(400)
+    response_json = JSON.parse(last_response.body)
+    expect(response_json['message']).to eq('invalid url parameter')
+  end
+
+  it "should return with a 400 status and 'url not found' message when a 404 url is submitted" do
+    data = {
+      url: 'http://google.com/example'
+    }
+    post('/links', data.to_json, "CONTENT_TYPE" => "application/json")
+    expect(last_response.status).to eq(400)
+    response_json = JSON.parse(last_response.body)
+    expect(response_json['message']).to eq('url not found')
+  end
+
+  it "should return with a 400 status and 'url not found' message when a URL with no DNS is submitted" do
+    data = {
+      url: 'http://bad.tld'
+    }
+    post('/links', data.to_json, "CONTENT_TYPE" => "application/json")
+    expect(last_response.status).to eq(400)
+    response_json = JSON.parse(last_response.body)
+    expect(response_json['message']).to eq('url does not resolve')
+  end
+
+  it "should return with a 400 status and 'not a valid json request' message when a request is made with the wrong content type header" do
+    data = {
+      url: 'http://google.com'
+    }
+    post('/links', data.to_json)
+    expect(last_response.status).to eq(400)
+    response_json = JSON.parse(last_response.body)
+    expect(response_json['message']).to eq('not a valid json request')
+  end
+end