Add client test

.rubocop.yml

@@ -12,6 +12,3 @@ Documentation:
 
 FrozenStringLiteralComment:
   Enabled: false
-
-Style/FileName:
-  Enabled: false

Gemfile.lock

@@ -16,6 +16,8 @@ GEM
     byebug (9.1.0)
     coderay (1.1.2)
     concurrent-ruby (1.0.5)
+    crack (0.4.3)
+      safe_yaml (~> 1.0.0)
     diff-lcs (1.3)
     domain_name (0.5.20170404)
       unf (>= 0.0.5, < 1.0.0)
@@ -27,6 +29,8 @@ GEM
     dry-monads (0.3.1)
       dry-core
       dry-equalizer
+    ffaker (2.8.0)
+    hashdiff (0.3.7)
     hashie (3.5.6)
     http (3.0.0)
       addressable (~> 2.3)
@@ -72,21 +76,30 @@ GEM
       ruby-progressbar (~> 1.7)
       unicode-display_width (~> 1.0, >= 1.0.1)
     ruby-progressbar (1.9.0)
+    safe_yaml (1.0.4)
     unf (0.1.4)
       unf_ext
     unf_ext (0.0.7.4)
     unicode-display_width (1.3.0)
+    vcr (3.0.3)
+    webmock (3.2.1)
+      addressable (>= 2.3.6)
+      crack (>= 0.3.2)
+      hashdiff
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
   api_struct!
   bundler (~> 1.14)
+  ffaker (~> 2.7)
   pry-byebug (~> 3.5, >= 3.5.1)
   rake (~> 12.3)
   rspec (~> 3.7)
   rubocop (~> 0.52.0)
+  vcr (~> 3.0.3)
+  webmock (~> 3.2, >= 3.2.1)
 
 BUNDLED WITH
    1.16.0

api_struct.gemspec

@@ -28,4 +28,7 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency 'rake', '~> 12.3'
   spec.add_development_dependency 'rspec', '~> 3.7'
   spec.add_development_dependency 'rubocop', '~> 0.52.0'
+  spec.add_development_dependency 'vcr', '~> 3.0.3'
+  spec.add_development_dependency 'webmock', '~> 3.2', '>= 3.2.1'
+  spec.add_development_dependency 'ffaker', '~> 2.7'
 end

lib/api_struct/client.rb

@@ -1,5 +1,10 @@
 module ApiStruct
   class Client
+    DEFAULT_HEADERS = { 
+      'Accept': 'application/json',
+      'Content-Type': 'application/json' 
+    }
+
     attr_reader :client
 
     def self.method_missing(method_name, *args, &block)
@@ -29,7 +34,8 @@ def self.method_missing(method_name, *args, &block)
 
     def initialize
       api_settings_exist
-      @client = HTTP::Client.new(headers: headers)
+      client_headers = headers || DEFAULT_HEADERS
+      @client = HTTP::Client.new(headers: client_headers)
     end
 
     private

spec/api_struct/client_spec.rb

@@ -0,0 +1,50 @@
+describe ApiStruct::Client do
+  ApiStruct::Settings.configure do |config|
+    config.endpoints = {
+      stub_api: {
+        root: 'https://jsonplaceholder.typicode.com'
+      }
+    }
+  end
+
+  class StubClient < ApiStruct::Client
+    stub_api '/posts'
+
+    def show(id)
+      get("/#{id}")
+    end
+
+    def update(id, params)
+      patch("/#{id}", json: params)
+    end
+  end
+
+  context 'Get' do
+    it 'Success', type: :webmock do
+      VCR.use_cassette('posts/get_success') do
+        response = StubClient.new.show(1)
+        expect(response).to be_success
+        expect(response.value[:id]).to eq(1)
+        expect(response.value[:title]).not_to be_empty
+      end
+    end
+
+    it 'Failure', type: :webmock do
+      VCR.use_cassette('posts/get_failure') do
+        response = StubClient.new.show(101)
+        expect(response).to be_failure
+        expect(response.value.status).to eq(404)
+      end
+    end
+  end
+
+  context 'Patch' do
+    it 'Success', type: :webmock do
+      VCR.use_cassette('posts/update_success') do
+        response = StubClient.new.update(1, title: FFaker::Name.name)
+        expect(response).to be_success
+        expect(response.value[:id]).to eq(1)
+      end
+    end
+  end
+end