Ruby hash syntax update

Rakefile

@@ -3,4 +3,4 @@ require "rspec/core/rake_task"
 
 RSpec::Core::RakeTask.new(:spec)
 
-task :default => :spec
+task default: :spec

lib/webpush/encryption.rb

@@ -20,15 +20,15 @@ def encrypt(message, p256dh, auth)
 
       client_auth_token = Base64.urlsafe_decode64(auth)
 
-      prk = HKDF.new(shared_secret, :salt => client_auth_token, :algorithm => 'SHA256', :info => "Content-Encoding: auth\0").next_bytes(32)
+      prk = HKDF.new(shared_secret, salt: client_auth_token, algorithm: 'SHA256', info: "Content-Encoding: auth\0").next_bytes(32)
 
       context = create_context(client_public_key_bn, server_public_key_bn)
 
       content_encryption_key_info = create_info('aesgcm', context)
-      content_encryption_key = HKDF.new(prk, :salt => salt, :info => content_encryption_key_info).next_bytes(16)
+      content_encryption_key = HKDF.new(prk, salt: salt, info: content_encryption_key_info).next_bytes(16)
 
       nonce_info = create_info('nonce', context)
-      nonce = HKDF.new(prk, :salt => salt, :info => nonce_info).next_bytes(12)
+      nonce = HKDF.new(prk, salt: salt, info: nonce_info).next_bytes(12)
 
       ciphertext = encrypt_payload(message, content_encryption_key, nonce)
 

spec/webpush_spec.rb

@@ -37,7 +37,7 @@
 
       stub_request(:post, expected_endpoint).
         with(body: expected_body, headers: expected_headers).
-        to_return(:status => 201, :body => "", :headers => {})
+        to_return(status: 201, body: "", headers: {})
 
       result = Webpush.payload_send(message: message, endpoint: endpoint, p256dh: p256dh, auth: auth)
 
@@ -46,7 +46,7 @@
 
     it 'returns false for unsuccessful status code by default' do
       stub_request(:post, expected_endpoint).
-        to_return(:status => 401, :body => "", :headers => {})
+        to_return(status: 401, body: "", headers: {})
 
       result = Webpush.payload_send(message: message, endpoint: endpoint, p256dh: p256dh, auth: auth)
 
@@ -67,15 +67,15 @@
 
       stub_request(:post, expected_endpoint).
         with(body: expected_body, headers: expected_headers).
-        to_return(:status => 201, :body => "", :headers => {})
+        to_return(status: 201, body: "", headers: {})
 
       Webpush.payload_send(message: message, endpoint: endpoint, p256dh: p256dh, auth: auth, api_key: api_key)
     end
 
     it 'does not insert Authorization header when blank' do
       stub_request(:post, expected_endpoint).
         with(body: expected_body, headers: expected_headers).
-        to_return(:status => 201, :body => "", :headers => {})
+        to_return(status: 201, body: "", headers: {})
 
       Webpush.payload_send(message: message, endpoint: endpoint, p256dh: p256dh, auth: auth, api_key: "")
       Webpush.payload_send(message: message, endpoint: endpoint, p256dh: p256dh, auth: auth, api_key: nil)