initial example

example-test.rb

@@ -0,0 +1,31 @@
+#!/usr/bin/env ruby
+require 'minitest/autorun'
+require 'mocha'
+require 'mocha/minitest'
+require_relative 'example'
+
+class ExampleTest < Minitest::Test
+
+  DOMAIN = 'example.com'
+  TXT_RECORDS = ['hello', 'world']
+
+  def test_get_txt
+    records = TXT_RECORDS.map do |r|
+      record = mock
+      record.expects(:data).with.returns(r)
+      record
+    end
+
+    dns = mock    
+    dns.expects(:getresources).with(DOMAIN, Resolv::DNS::Resource::IN::TXT).returns(records)
+
+    Resolv::DNS
+      .expects(:open)
+      .yields(dns)
+      .returns(records) # I should not have to do this, and it allows bad implementations to not actually return the results properly
+
+    result = Example.get_txt(DOMAIN)
+
+    assert_equal TXT_RECORDS, result
+  end
+end

example.rb

@@ -0,0 +1,17 @@
+#!/usr/bin/env ruby
+require 'resolv'
+
+class Example
+  def self.get_txt(domain)    
+    resources =
+      Resolv::DNS.open do |dns|
+        dns.getresources(domain, Resolv::DNS::Resource::IN::TXT)
+      end
+
+    resources.map { |r| r.data }
+  end
+end
+
+if __FILE__ == $PROGRAM_NAME
+  puts Example.get_txt('google.com')
+end