Adding test suite for SMS module

test/helper.rb

@@ -0,0 +1,4 @@
+require 'test/unit'
+require 'mocha'
+
+require File.join(File.dirname(__FILE__), '../lib/sms')

test/test_sms.rb

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+require 'helper'
+
+class TestSms < Test::Unit::TestCase
+  SUCCESS_CODE  = 201
+  ERROR_CODE    = -1
+  FROM_NUMBER   = "502938232"
+  TO_NUMBER     = "948398434"
+  MESSAGE       = "Text message"
+
+  def test_successful_message
+    response = mock()
+    Twilio::RestAccount.any_instance.stubs(:request).returns(response)
+    response.expects(:code).returns(SUCCESS_CODE)
+    assert_equal(true, SMS.text(MESSAGE, :from => FROM_NUMBER, :to => TO_NUMBER))
+  end
+
+  def test_unsuccessful_message
+    response = mock()
+    Twilio::RestAccount.any_instance.stubs(:request).returns(response)
+    response.expects(:code).returns(ERROR_CODE)
+    assert_equal(false, SMS.text(MESSAGE, :from => FROM_NUMBER, :to => TO_NUMBER))
+  end
+
+  def test_unsuccessful_message_with_exception
+    response = stub(:code => ERROR_CODE, :body => stub(:match => []))
+    Twilio::RestAccount.any_instance.stubs(:request).returns(response)
+    assert_raise TypeError do 
+      SMS.text!(MESSAGE, :from => FROM_NUMBER, :to => TO_NUMBER)
+    end
+  end
+
+  def test_sending_sms_with_env_set
+    ENV['TWILIO_ID']     = "twilio_id"
+    ENV['TWILIO_SECRET'] = "twilio_secret"
+    link                 = "/2008-08-01/Accounts/#{ENV['TWILIO_ID']}/SMS/Messages"
+
+    twilio = mock()
+    twilio.expects(:request).with(link, "POST", {'To' => TO_NUMBER, 'From' => FROM_NUMBER, 'Body' => MESSAGE})
+                            .returns(mock(:code => SUCCESS_CODE))
+
+    Twilio::RestAccount.expects(:new).with("twilio_id", "twilio_secret").returns(twilio)
+    assert_equal(true, SMS.text(MESSAGE, :from => FROM_NUMBER, :to => TO_NUMBER))
+  end
+
+  def test_sending_sms_without_env_set
+    SMS.twilio_id     = "twilio_id"
+    SMS.twilio_secret = "twilio_secret"
+    link              = "/2008-08-01/Accounts/#{SMS.twilio_id}/SMS/Messages"
+
+    twilio = mock()
+    twilio.expects(:request).with(link, "POST", {'To' => TO_NUMBER, 'From' => FROM_NUMBER, 'Body' => MESSAGE})
+                            .returns(mock(:code => SUCCESS_CODE))
+
+    Twilio::RestAccount.expects(:new).with("twilio_id", "twilio_secret").returns(twilio)
+    assert_equal(true, SMS.text(MESSAGE, :from => FROM_NUMBER, :to => TO_NUMBER))
+  end
+end