Make it compatible

Author: zenizh

lib/line/bot/client.rb

@@ -337,9 +337,14 @@ def get_room_member_profile(room_id, user_id)
       # @param limit [Integer] The maximum number of user IDs to retrieve in a single request
       #
       # @return [Net::HTTPResponse]
-      def get_follower_ids(start: nil, limit: nil)
+      def get_follower_ids(deprecated_continuation_token = nil, start: nil, limit: nil)
         channel_token_required
 
+        if deprecated_continuation_token
+          warn "continuation_token as the first argument is deprecated. Please use :start instead."
+          start = deprecated_continuation_token
+        end
+
         params = { start: start, limit: limit }.compact
 
         endpoint_path = "/bot/followers/ids"

spec/line/bot/client_get_follower_spec.rb

@@ -96,4 +96,30 @@ def generate_client
     expect(response).to be_a(Net::HTTPOK)
     expect(result['userIds']).to eq ["Uxxxxxxxxxxxxxx1", "Uxxxxxxxxxxxxxx2"]
   end
+
+  it 'gets follower ids using deprecated_continuation_token argument' do
+    uri_template = Addressable::Template.new Line::Bot::API::DEFAULT_ENDPOINT + '/bot/followers/ids'
+    stub_request(:get, uri_template).to_return { |request| {body: USER_ID_CONTENT, status: 200} }
+
+    uri_template = Addressable::Template.new Line::Bot::API::DEFAULT_ENDPOINT + '/bot/followers/ids?start={start}'
+    stub_request(:get, uri_template).to_return { |request| {body: NEXT_USER_ID_CONTENT, status: 200} }
+
+    client = generate_client
+
+    # first page
+    response = client.get_follower_ids
+
+    expect(response).to be_a(Net::HTTPOK)
+    result = JSON.parse(response.body)
+    expect(result['userIds']).to eq ["Uxxxxxxxxxxxxxx1", "Uxxxxxxxxxxxxxx2", "Uxxxxxxxxxxxxxx3"]
+    expect(result['next']).to eq "jxEWCEEP"
+
+    # second page
+    response = client.get_follower_ids(result['next'])
+
+    expect(response).to be_a(Net::HTTPOK)
+    result = JSON.parse(response.body)
+    expect(result['userIds']).to eq ["Uxxxxxxxxxxxxxx4", "Uxxxxxxxxxxxxxx5", "Uxxxxxxxxxxxxxx6"]
+    expect(result['next']).to be nil
+  end
 end