Merge pull request #92 from a2ikm/feature/link_token

Support link token

Author: kimoto

lib/line/bot/client.rb

@@ -353,6 +353,16 @@ def create_rich_menu_image(rich_menu_id, file)
         request.post
       end
 
+      # Issue a link token to a user
+      #
+      # @param user_id [String] ID of the user
+      #
+      # @return [Net::HTTPResponse]
+      def create_link_token(user_id)
+        endpoint_path = "/bot/user/#{user_id}/linkToken"
+        post(endpoint_path)
+      end
+
       # Fetch data, get content of specified URL.
       #
       # @param endpoint_path [String]

spec/line/bot/link_token_spec.rb

@@ -0,0 +1,31 @@
+require 'spec_helper'
+require 'webmock/rspec'
+require 'json'
+
+LINK_TOKEN_CONTENT = <<"EOS"
+{
+  "linkToken":"abcdefg0123456789"
+}
+EOS
+
+WebMock.allow_net_connect!
+
+describe Line::Bot::Client do
+  let(:client) {
+    dummy_config = {
+      channel_token: 'access token',
+    }
+    Line::Bot::Client.new do |config|
+      config.channel_token = dummy_config[:channel_token]
+    end
+  }
+
+  it 'issues a link token' do
+    uri_template = Addressable::Template.new Line::Bot::API::DEFAULT_ENDPOINT + '/bot/user/{user_id}/linkToken'
+    stub_request(:post, uri_template).to_return(body: LINK_TOKEN_CONTENT, status: 200)
+
+    response = client.create_link_token('user_id')
+    expect(WebMock).to have_requested(:post, Line::Bot::API::DEFAULT_ENDPOINT + '/bot/user/user_id/linkToken')
+    expect(response.body).to eq LINK_TOKEN_CONTENT
+  end
+end