Teller::Config module and tests

Author: stevegraham

.gitignore

@@ -1,3 +1,4 @@
+Gemfile.lock
 /.bundle/
 /.yardoc
 /_yardoc/

lib/teller.rb

@@ -1,4 +1,5 @@
 require "teller/version"
+require "teller/config"
 
 module Teller
   class Error < StandardError; end

lib/teller/config.rb

@@ -0,0 +1,41 @@
+require 'openssl'
+
+module Teller::Config
+  class Error < StandardError; end
+
+  attr_accessor :access_token, :certificate, :private_key
+
+  def setup(opts = {})
+    if block_given?
+      yield(self)
+    else
+      opts.each { |k, v| send(:"#{k}=", v) }
+    end
+  end
+
+  def certificate=(path)
+    begin
+      File.open(path, 'r') do |file|
+        @certificate = OpenSSL::X509::Certificate.new(file)
+      end
+    rescue Errno::ENOENT
+      raise Error, "Certificate file not found: #{path}"
+    rescue OpenSSL::X509::CertificateError
+      raise Error, "Invalid certificate data in file: #{path}"
+    end
+  end
+
+  def private_key=(path)
+    begin
+      File.open(path, 'r') do |file|
+        @private_key = OpenSSL::PKey.read(file, nil)
+      end
+    rescue Errno::ENOENT
+      raise Error, "Private key file not found: #{path}"
+    rescue OpenSSL::PKey::PKeyError
+      raise Error, "Invalid private key data in file: #{path}"
+    end
+  end
+
+  extend self
+end

teller.gemspec

@@ -6,17 +6,16 @@ Gem::Specification.new do |spec|
   spec.authors       = ["Stevie Graham"]
   spec.email         = ["[email protected]"]
 
-  spec.summary       = %q{TODO: Write a short summary, because RubyGems requires one.}
-  spec.description   = %q{TODO: Write a longer description or delete this line.}
-  spec.homepage      = "TODO: Put your gem's website or public repo URL here."
+  spec.summary       = "The official Teller Ruby language bindings/"
+  spec.homepage      = "https://github.com/tellerhq/teller-ruby"
   spec.license       = "MIT"
   spec.required_ruby_version = Gem::Requirement.new(">= 2.3.0")
 
   spec.metadata["allowed_push_host"] = "TODO: Set to 'http://mygemserver.com'"
 
   spec.metadata["homepage_uri"] = spec.homepage
-  spec.metadata["source_code_uri"] = "TODO: Put your gem's public repo URL here."
-  spec.metadata["changelog_uri"] = "TODO: Put your gem's CHANGELOG.md URL here."
+  spec.metadata["source_code_uri"] = spec.homepage
+  # spec.metadata["changelog_uri"] = "TODO: Put your gem's CHANGELOG.md URL here."
 
   # Specify which files should be added to the gem when it is released.
   # The `git ls-files -z` loads the files in the RubyGem that have been added into git.

test/config_test.rb

@@ -0,0 +1,71 @@
+require "minitest/autorun"
+require "teller"
+
+describe Teller::Config do
+  let(:config) { Teller::Config }
+
+  it "allows setting access_token" do
+    config.access_token = "your_access_token"
+    _(config.access_token).must_equal "your_access_token"
+  end
+
+  it "allows setting certificate using certificate=" do
+    config.certificate = "test/fixtures/certificate.pem"
+    _(config.certificate).must_be_kind_of OpenSSL::X509::Certificate
+  end
+
+  it "allows setting private_key using private_key =" do
+    private_key_path = "test/fixtures/private_key.pem"
+    File.stub(:read, "your_private_key_content") do
+      private_key = config.private_key = private_key_path
+      _(config.private_key).must_be_kind_of OpenSSL::PKey::EC
+    end
+  end
+
+  it "allows setting multiple attributes using setup block" do
+    config.setup do |conf|
+      conf.access_token = "your_access_token"
+      conf.certificate = "test/fixtures/certificate.pem"
+      conf.private_key = "test/fixtures/private_key.pem"
+    end
+
+    _(config.access_token).must_equal "your_access_token"
+    _(config.certificate).must_be_kind_of OpenSSL::X509::Certificate
+    _(config.private_key).must_be_kind_of OpenSSL::PKey::EC
+  end
+
+  it "allows setting multiple attributes using setup hash" do
+    config.setup(access_token: "your_access_token",
+                 certificate: "test/fixtures/certificate.pem",
+                 private_key: "test/fixtures/private_key.pem")
+
+    _(config.access_token).must_equal "your_access_token"
+    _(config.certificate).must_be_kind_of OpenSSL::X509::Certificate
+    _(config.private_key).must_be_kind_of OpenSSL::PKey::EC
+  end
+
+  it "raises Teller::Config::Error for invalid certificate file path" do
+    assert_raises(Teller::Config::Error) do
+      config.certificate = "non_existent_cert.pem"
+    end
+  end
+
+  it "raises Teller::Config::Error for invalid private key file path" do
+    assert_raises(Teller::Config::Error) do
+      config.private_key = "non_existent_key.pem"
+    end
+  end
+
+  it "raises Teller::Config::Error for invalid certificate data" do
+    assert_raises(Teller::Config::Error) do
+      config.certificate = "test/fixtures/invalid.pem"
+    end
+  end
+
+  it "raises Teller::Config::Error for invalid private key data" do
+    assert_raises(Teller::Config::Error) do
+      config.private_key = "test/fixtures/invalid.pem"
+    end
+  end
+
+end

test/fixtures/certificate.pem

@@ -0,0 +1,11 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----

test/fixtures/invalid.pem

@@ -0,0 +1 @@
+LOL

test/fixtures/private_key.pem

@@ -0,0 +1,8 @@
+-----BEGIN EC PARAMETERS-----
+BggqhkjOPQMBBw==
+-----END EC PARAMETERS-----
+-----BEGIN EC PRIVATE KEY-----
+MHcCAQEEIJhX5NCMeg8EymIls/nMKxCii2TLIMqVmraFDwFLK5WloAoGCCqGSM49
+AwEHoUQDQgAEp6vPheUZZ2xmlRTJvJyaHtiPMx28nW/Dygeq0x6VaIhpW1dbFBuj
+nlvBh9xDfER1YdhtjcdSbwrZvI7b0dcgQw==
+-----END EC PRIVATE KEY-----

test/teller_test.rb

@@ -4,8 +4,4 @@ class TellerTest < Minitest::Test
   def test_that_it_has_a_version_number
     refute_nil ::Teller::VERSION
   end
-
-  def test_it_does_something_useful
-    assert false
-  end
 end