update bundler gemspec, travis and add couple tests

.travis.yml

@@ -1,9 +1,9 @@
 language: ruby
 rvm:
- - 2.2
  - 2.3
  - 2.4
  - 2.5
+ - 2.6
 before_install:
  - gem update --system
  - gem install bundler

fhir_client.gemspec

@@ -30,7 +30,7 @@ Gem::Specification.new do |spec|
  spec.add_dependency 'rest-client', '~> 2.0'
  spec.add_dependency 'tilt', '>= 1.1'
 
- spec.add_development_dependency 'bundler', '~> 1.13'
+ spec.add_development_dependency 'bundler', '~> 2.0'
  spec.add_development_dependency 'rake', '~> 10.0'
  spec.add_development_dependency 'pry'
  spec.add_development_dependency 'webmock'

test/unit/model_test.rb

@@ -4,7 +4,7 @@ class TestUnitCustomException < ClientException ; end
 
 class ModelTest < Test::Unit::TestCase
 
- def test_default_exception
+ def test_default_instance_exception
  stub_request(:post, /create/).to_return(status: 403, body: "")
  client = FHIR::Client.new('create')
  client.default_json
@@ -15,7 +15,7 @@ def test_default_exception
  end
  end
 
- def test_custom_exception
+ def test_custom_instance_exception
  stub_request(:post, /create/).to_return(status: 403, body: "")
  client = FHIR::Client.new('create')
  client.default_json
@@ -26,5 +26,29 @@ def test_custom_exception
  FHIR::Patient.new({'id':'foo'}).create
  end
  end
+
+ def test_default_class_exception
+ stub_request(:post, /create/).to_return(status: 403, body: "")
+ client = FHIR::Client.new('create')
+ client.default_json
+ FHIR::Model.client = client
+
+ assert_raise ClientException do
+ FHIR::Patient.create({'id':'foo'})
+ end
+ end
+
+ def test_custom_class_exception
+ stub_request(:post, /create/).to_return(status: 403, body: "")
+ client = FHIR::Client.new('create')
+ client.default_json
+ client.exception_class = TestUnitCustomException
+ FHIR::Model.client = client
+
+ assert_raise TestUnitCustomException do
+ FHIR::Patient.create({'id':'foo'})
+ end
+ end
+
 end