From a9a0da06a72c9aa588343d23235644cab672d56e Mon Sep 17 00:00:00 2001
From: Siebe Jan <siebejan@hackerone.com>
Date: Mon, 20 Nov 2017 11:51:47 +0100
Subject: [PATCH 1/4] initial implementation incremental activities

---
 lib/hackerone/client.rb                       |  5 +-
 .../client/incremental/activities.rb          | 98 +++++++++++++++++++
 lib/hackerone/client/program.rb               |  8 ++
 lib/hackerone/client/resource_helper.rb       | 15 +--
 4 files changed, 118 insertions(+), 8 deletions(-)
 create mode 100644 lib/hackerone/client/incremental/activities.rb

diff --git a/lib/hackerone/client.rb b/lib/hackerone/client.rb
index 05445f6..c5f0764 100644
--- a/lib/hackerone/client.rb
+++ b/lib/hackerone/client.rb
@@ -12,6 +12,7 @@
 require_relative "client/structured_scope"
 require_relative "client/swag"
 require_relative "client/bounty"
+require_relative "client/incremental/activities"
 
 module HackerOne
   module Client
@@ -119,14 +120,14 @@ def get(endpoint, params = nil)
         self.class.parse_response(response)
       end
 
-      def self.parse_response(response)
+      def self.parse_response(response, extract_data: true)
         if response.status.to_s.start_with?("4")
           raise ArgumentError, "API called failed, probably your fault: #{response.body}"
         elsif response.status.to_s.start_with?("5")
           raise RuntimeError, "API called failed, probably their fault: #{response.body}"
         elsif response.success?
           response_body_json = JSON.parse(response.body, :symbolize_names => true)
-          if response_body_json.key?(:data)
+          if extract_data && response_body_json.key?(:data)
             response_body_json[:data]
           else
             response_body_json
diff --git a/lib/hackerone/client/incremental/activities.rb b/lib/hackerone/client/incremental/activities.rb
new file mode 100644
index 0000000..07980f0
--- /dev/null
+++ b/lib/hackerone/client/incremental/activities.rb
@@ -0,0 +1,98 @@
+module HackerOne
+  module Client
+    module Incremental
+      class Activities
+        include ResourceHelper
+
+        DOTFILE = '.hackerone_client_incremental_activities'.freeze
+
+        attr_reader :program, :updated_at_after, :page_size
+
+        def initialize(program, updated_at_after: nil, page_size: 25)
+          @program = program
+          @updated_at_after = updated_at_after
+          @page_size = page_size
+        end
+
+        def loop_through_activities
+          load_dotfile
+
+          loop do
+            fetch_current_page
+
+            activities.each do |activity_json|
+              activity = HackerOne::Client::Activities
+                         .build(activity_json)
+              yield activity
+            end
+
+            break if next_page.nil?
+          end
+        end
+
+        def activities
+          current_page[:data]
+        end
+
+        def next_page?
+          next_updated_at_after.present?
+        end
+
+        def next_page
+          return nil unless next_page?
+
+          @updated_at_after = next_updated_at_after
+          fetch_current_page
+        end
+
+        def load_dotfile
+          return nil unless File.exist?(dotfile_filepath)
+          dotfile_content = JSON.parse(
+            File.read(dotfile_filepath)
+          )
+          @updated_at_after = dotfile_content
+                              .fetch(program.handle)
+                              .fetch('updated_at_after')
+        end
+
+        def store_dotfile
+          new_dotfile_content = {
+            program.handle => {
+              updated_at_after: updated_at_after
+            }
+          }
+          File.open(dotfile_filepath, 'w') do |f|
+            f.puts(JSON.pretty_generate(new_dotfile_content))
+          end
+        end
+
+        private
+
+        def fetch_current_page
+          @current_page = nil
+          current_page
+        end
+
+        def current_page
+          @current_page ||= make_get_request(
+            'incremental/activities',
+            extract_data: false,
+            params: {
+              handle: program.handle,
+              first: page_size,
+              updated_at_after: updated_at_after
+            }
+          )
+        end
+
+        def dotfile_filepath
+          File.join(Dir.home, DOTFILE)
+        end
+
+        def next_updated_at_after
+          current_page[:meta][:max_updated_at]
+        end
+      end
+    end
+  end
+end
diff --git a/lib/hackerone/client/program.rb b/lib/hackerone/client/program.rb
index b71c3bd..bc3fdef 100644
--- a/lib/hackerone/client/program.rb
+++ b/lib/hackerone/client/program.rb
@@ -21,6 +21,14 @@ def id
         @program[:id]
       end
 
+      def incremental_activities(updated_at_after: nil, page_size: 25)
+        HackerOne::Client::Incremental::Activities.new(
+          self,
+          updated_at_after: updated_at_after,
+          page_size: page_size
+        )
+      end
+
       def attributes
         OpenStruct.new(@program[:attributes])
       end
diff --git a/lib/hackerone/client/resource_helper.rb b/lib/hackerone/client/resource_helper.rb
index 5ce46c9..b62ea59 100644
--- a/lib/hackerone/client/resource_helper.rb
+++ b/lib/hackerone/client/resource_helper.rb
@@ -1,28 +1,31 @@
 module HackerOne
   module Client
     module ResourceHelper
-      def parse_response(response)
-        HackerOne::Client::Api.parse_response(response)
+      def parse_response(response, extract_data: true)
+        HackerOne::Client::Api.parse_response(
+          response,
+          extract_data: extract_data,
+        )
       end
 
-      def make_post_request(url, request_body:)
+      def make_post_request(url, request_body:, extract_data: true)
         response = HackerOne::Client::Api.hackerone_api_connection.post do |req|
           req.headers['Content-Type'] = 'application/json'
           req.url url
           req.body = { data: request_body }.to_json
         end
 
-        parse_response(response)
+        parse_response(response, extract_data: extract_data)
       end
 
-      def make_get_request(url, params: {})
+      def make_get_request(url, params: {}, extract_data: true)
         response = HackerOne::Client::Api.hackerone_api_connection.get do |req|
           req.headers['Content-Type'] = 'application/json'
           req.url url
           req.params = params
         end
 
-        parse_response(response)
+        parse_response(response, extract_data: extract_data)
       end
 
       private

From 60be35f77ff200bb936ab88457b3d421f95edb79 Mon Sep 17 00:00:00 2001
From: Siebe Jan <siebejan@hackerone.com>
Date: Mon, 20 Nov 2017 11:54:27 +0100
Subject: [PATCH 2/4] do not assume dotfile always contains handle

---
 lib/hackerone/client/incremental/activities.rb | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/hackerone/client/incremental/activities.rb b/lib/hackerone/client/incremental/activities.rb
index 07980f0..941c76c 100644
--- a/lib/hackerone/client/incremental/activities.rb
+++ b/lib/hackerone/client/incremental/activities.rb
@@ -50,6 +50,9 @@ def load_dotfile
           dotfile_content = JSON.parse(
             File.read(dotfile_filepath)
           )
+
+          return nil unless dotfile_content.key?(program.handle)
+
           @updated_at_after = dotfile_content
                               .fetch(program.handle)
                               .fetch('updated_at_after')

From b776126d4d720be78fe61d6ffe268bfcc08d1544 Mon Sep 17 00:00:00 2001
From: Siebe Jan <siebejan@hackerone.com>
Date: Fri, 24 Nov 2017 23:11:38 +0100
Subject: [PATCH 3/4] address comments

---
 .../client/incremental/activities.rb          | 63 +++++--------------
 1 file changed, 14 insertions(+), 49 deletions(-)

diff --git a/lib/hackerone/client/incremental/activities.rb b/lib/hackerone/client/incremental/activities.rb
index 941c76c..c8f4d7b 100644
--- a/lib/hackerone/client/incremental/activities.rb
+++ b/lib/hackerone/client/incremental/activities.rb
@@ -4,8 +4,6 @@ module Incremental
       class Activities
         include ResourceHelper
 
-        DOTFILE = '.hackerone_client_incremental_activities'.freeze
-
         attr_reader :program, :updated_at_after, :page_size
 
         def initialize(program, updated_at_after: nil, page_size: 25)
@@ -14,15 +12,9 @@ def initialize(program, updated_at_after: nil, page_size: 25)
           @page_size = page_size
         end
 
-        def loop_through_activities
-          load_dotfile
-
+        def traverse
           loop do
-            fetch_current_page
-
-            activities.each do |activity_json|
-              activity = HackerOne::Client::Activities
-                         .build(activity_json)
+            activities.each do |activity|
               yield activity
             end
 
@@ -31,51 +23,28 @@ def loop_through_activities
         end
 
         def activities
-          current_page[:data]
-        end
-
-        def next_page?
-          next_updated_at_after.present?
+          @activities ||= current_page[:data].map do |activity_json|
+            HackerOne::Client::Activities.build activity_json
+          end
         end
 
         def next_page
-          return nil unless next_page?
+          return nil unless next_cursor.present?
 
-          @updated_at_after = next_updated_at_after
-          fetch_current_page
-        end
-
-        def load_dotfile
-          return nil unless File.exist?(dotfile_filepath)
-          dotfile_content = JSON.parse(
-            File.read(dotfile_filepath)
-          )
+          # Remove memoization
+          @current_page = nil
 
-          return nil unless dotfile_content.key?(program.handle)
+          # Set cursor to next page
+          @updated_at_after = next_cursor
 
-          @updated_at_after = dotfile_content
-                              .fetch(program.handle)
-                              .fetch('updated_at_after')
-        end
+          # Fetch new page
+          current_page
 
-        def store_dotfile
-          new_dotfile_content = {
-            program.handle => {
-              updated_at_after: updated_at_after
-            }
-          }
-          File.open(dotfile_filepath, 'w') do |f|
-            f.puts(JSON.pretty_generate(new_dotfile_content))
-          end
+          activities
         end
 
         private
 
-        def fetch_current_page
-          @current_page = nil
-          current_page
-        end
-
         def current_page
           @current_page ||= make_get_request(
             'incremental/activities',
@@ -88,11 +57,7 @@ def current_page
           )
         end
 
-        def dotfile_filepath
-          File.join(Dir.home, DOTFILE)
-        end
-
-        def next_updated_at_after
+        def next_cursor
           current_page[:meta][:max_updated_at]
         end
       end

From 278bdbe4bbec0c3e59d305a8722c21d7ae546068 Mon Sep 17 00:00:00 2001
From: Siebe Jan <siebejan@hackerone.com>
Date: Thu, 7 Dec 2017 12:25:24 +0100
Subject: [PATCH 4/4] fix + tests

---
 .../traverse_through_3_activities.yml         | 232 +++++++++++++++
 .../traverse_through_all_activities.yml       | 266 ++++++++++++++++++
 lib/hackerone/client/activity.rb              |   7 +
 .../client/incremental/activities.rb          |   7 +-
 spec/hackerone/client/program_spec.rb         |  45 +++
 5 files changed, 554 insertions(+), 3 deletions(-)
 create mode 100644 fixtures/vcr_cassettes/traverse_through_3_activities.yml
 create mode 100644 fixtures/vcr_cassettes/traverse_through_all_activities.yml

diff --git a/fixtures/vcr_cassettes/traverse_through_3_activities.yml b/fixtures/vcr_cassettes/traverse_through_3_activities.yml
new file mode 100644
index 0000000..bb05d81
--- /dev/null
+++ b/fixtures/vcr_cassettes/traverse_through_3_activities.yml
@@ -0,0 +1,232 @@
+---
+http_interactions:
+- request:
+    method: get
+    uri: https://api.hackerone.com/v1/incremental/activities?first=3&handle=github&updated_at_after=2017-12-04T15:38:00%2B00:00
+    body:
+      encoding: US-ASCII
+      string: ''
+    headers:
+      Authorization:
+      - Basic NOPE
+      User-Agent:
+      - Faraday v0.13.1
+      Content-Type:
+      - application/json
+      Accept-Encoding:
+      - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
+      Accept:
+      - "*/*"
+  response:
+    status:
+      code: 200
+      message: OK
+    headers:
+      Date:
+      - Tue, 05 Dec 2017 16:24:20 GMT
+      Content-Type:
+      - application/json; charset=utf-8
+      Transfer-Encoding:
+      - chunked
+      Connection:
+      - keep-alive
+      Set-Cookie:
+      - __cfduid=de6b363b55cc13462b7621c0ce4673ef21512491059; expires=Wed, 05-Dec-18
+        16:24:19 GMT; path=/; Domain=api.hackerone.com; HttpOnly; Secure
+      X-Request-Id:
+      - 9ed7b038-19f4-4c9e-af1f-fadc126d9a97
+      Etag:
+      - W/"c5f96ee108dce6e865d9a927b8eada5a"
+      Cache-Control:
+      - max-age=0, private, must-revalidate
+      Strict-Transport-Security:
+      - max-age=31536000; includeSubDomains; preload
+      Expect-Ct:
+      - enforce, max-age=86400
+      Content-Security-Policy:
+      - 'default-src ''none''; base-uri ''self''; block-all-mixed-content; child-src
+        www.youtube-nocookie.com; connect-src ''self'' www.google-analytics.com errors.hackerone.net;
+        font-src ''self''; form-action ''self''; frame-ancestors ''none''; img-src
+        ''self'' data: cover-photos.hackerone-user-content.com hackathon-photos.hackerone-user-content.com
+        profile-photos.hackerone-user-content.com hackerone-attachments.s3.amazonaws.com;
+        media-src ''self'' hackerone-attachments.s3.amazonaws.com; script-src ''self''
+        www.google-analytics.com; style-src ''self'' ''unsafe-inline''; report-uri
+        https://errors.hackerone.net/api/30/csp-report/?sentry_key=61c1e2f50d21487c97a071737701f598'
+      Referrer-Policy:
+      - strict-origin-when-cross-origin
+      X-Content-Type-Options:
+      - nosniff
+      X-Download-Options:
+      - noopen
+      X-Frame-Options:
+      - DENY
+      X-Permitted-Cross-Domain-Policies:
+      - none
+      X-Xss-Protection:
+      - 1; mode=block
+      Server:
+      - cloudflare-nginx
+      Cf-Ray:
+      - 3c885ae2caba2bfa-AMS
+    body:
+      encoding: ASCII-8BIT
+      string: '{"data":[{"type":"activity-group-assigned-to-bug","id":"2198958","attributes":{"message":"","created_at":"2017-12-04T15:38:00.017Z","updated_at":"2017-12-04T15:38:00.017Z","internal":true},"relationships":{"actor":{"data":{"type":"user","id":"114514","attributes":{"username":"kerkkerkkekr","name":"kerk
+        kerk","disabled":false,"created_at":"2016-09-29T12:52:29.551Z","profile_picture":{"62x62":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png","82x82":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png","110x110":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png","260x260":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png"}}}},"group":{"data":{"id":"16481","type":"group","attributes":{"name":"Standard","created_at":"2016-09-29T12:52:32.062Z","permissions":["report_management","reward_management"]}}}}},{"type":"activity-comment","id":"2201959","attributes":{"message":"this
+        is a comment","created_at":"2017-12-05T16:16:07.205Z","updated_at":"2017-12-05T16:16:07.205Z","internal":true},"relationships":{"actor":{"data":{"type":"user","id":"114514","attributes":{"username":"kerkkerkkekr","name":"kerk
+        kerk","disabled":false,"created_at":"2016-09-29T12:52:29.551Z","profile_picture":{"62x62":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png","82x82":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png","110x110":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png","260x260":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png"}}}}}},{"type":"activity-bounty-awarded","id":"2201960","attributes":{"message":"Here''s
+        a bounty!","created_at":"2017-12-05T16:16:27.757Z","updated_at":"2017-12-05T16:16:27.757Z","internal":false,"bounty_amount":"250"},"relationships":{"actor":{"data":{"type":"user","id":"114514","attributes":{"username":"kerkkerkkekr","name":"kerk
+        kerk","disabled":false,"created_at":"2016-09-29T12:52:29.551Z","profile_picture":{"62x62":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png","82x82":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png","110x110":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png","260x260":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png"}}}}}}],"meta":{"max_updated_at":"2017-12-05T16:16:27.757Z"}}'
+    http_version: 
+  recorded_at: Tue, 05 Dec 2017 16:24:20 GMT
+- request:
+    method: get
+    uri: https://api.hackerone.com/v1/incremental/activities?first=3&handle=github&updated_at_after=2017-12-04T15:38:00%2B00:00
+    body:
+      encoding: US-ASCII
+      string: ''
+    headers:
+      Authorization:
+      - Basic NOPE
+      User-Agent:
+      - Faraday v0.13.1
+      Content-Type:
+      - application/json
+      Accept-Encoding:
+      - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
+      Accept:
+      - "*/*"
+  response:
+    status:
+      code: 200
+      message: OK
+    headers:
+      Date:
+      - Tue, 05 Dec 2017 16:24:31 GMT
+      Content-Type:
+      - application/json; charset=utf-8
+      Transfer-Encoding:
+      - chunked
+      Connection:
+      - keep-alive
+      Set-Cookie:
+      - __cfduid=d9b2c3597c39ebf83d782cb04956600fb1512491070; expires=Wed, 05-Dec-18
+        16:24:30 GMT; path=/; Domain=api.hackerone.com; HttpOnly; Secure
+      X-Request-Id:
+      - 9e88cbb0-7040-4b64-9fc5-dc9a78be3a56
+      Etag:
+      - W/"c5f96ee108dce6e865d9a927b8eada5a"
+      Cache-Control:
+      - max-age=0, private, must-revalidate
+      Strict-Transport-Security:
+      - max-age=31536000; includeSubDomains; preload
+      Expect-Ct:
+      - enforce, max-age=86400
+      Content-Security-Policy:
+      - 'default-src ''none''; base-uri ''self''; block-all-mixed-content; child-src
+        www.youtube-nocookie.com; connect-src ''self'' www.google-analytics.com errors.hackerone.net;
+        font-src ''self''; form-action ''self''; frame-ancestors ''none''; img-src
+        ''self'' data: cover-photos.hackerone-user-content.com hackathon-photos.hackerone-user-content.com
+        profile-photos.hackerone-user-content.com hackerone-attachments.s3.amazonaws.com;
+        media-src ''self'' hackerone-attachments.s3.amazonaws.com; script-src ''self''
+        www.google-analytics.com; style-src ''self'' ''unsafe-inline''; report-uri
+        https://errors.hackerone.net/api/30/csp-report/?sentry_key=61c1e2f50d21487c97a071737701f598'
+      Referrer-Policy:
+      - strict-origin-when-cross-origin
+      X-Content-Type-Options:
+      - nosniff
+      X-Download-Options:
+      - noopen
+      X-Frame-Options:
+      - DENY
+      X-Permitted-Cross-Domain-Policies:
+      - none
+      X-Xss-Protection:
+      - 1; mode=block
+      Server:
+      - cloudflare-nginx
+      Cf-Ray:
+      - 3c885b264b3d72f5-AMS
+    body:
+      encoding: ASCII-8BIT
+      string: '{"data":[{"type":"activity-group-assigned-to-bug","id":"2198958","attributes":{"message":"","created_at":"2017-12-04T15:38:00.017Z","updated_at":"2017-12-04T15:38:00.017Z","internal":true},"relationships":{"actor":{"data":{"type":"user","id":"114514","attributes":{"username":"kerkkerkkekr","name":"kerk
+        kerk","disabled":false,"created_at":"2016-09-29T12:52:29.551Z","profile_picture":{"62x62":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png","82x82":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png","110x110":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png","260x260":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png"}}}},"group":{"data":{"id":"16481","type":"group","attributes":{"name":"Standard","created_at":"2016-09-29T12:52:32.062Z","permissions":["report_management","reward_management"]}}}}},{"type":"activity-comment","id":"2201959","attributes":{"message":"this
+        is a comment","created_at":"2017-12-05T16:16:07.205Z","updated_at":"2017-12-05T16:16:07.205Z","internal":true},"relationships":{"actor":{"data":{"type":"user","id":"114514","attributes":{"username":"kerkkerkkekr","name":"kerk
+        kerk","disabled":false,"created_at":"2016-09-29T12:52:29.551Z","profile_picture":{"62x62":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png","82x82":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png","110x110":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png","260x260":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png"}}}}}},{"type":"activity-bounty-awarded","id":"2201960","attributes":{"message":"Here''s
+        a bounty!","created_at":"2017-12-05T16:16:27.757Z","updated_at":"2017-12-05T16:16:27.757Z","internal":false,"bounty_amount":"250"},"relationships":{"actor":{"data":{"type":"user","id":"114514","attributes":{"username":"kerkkerkkekr","name":"kerk
+        kerk","disabled":false,"created_at":"2016-09-29T12:52:29.551Z","profile_picture":{"62x62":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png","82x82":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png","110x110":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png","260x260":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png"}}}}}}],"meta":{"max_updated_at":"2017-12-05T16:16:27.757Z"}}'
+    http_version: 
+  recorded_at: Tue, 05 Dec 2017 16:24:30 GMT
+- request:
+    method: get
+    uri: https://api.hackerone.com/v1/incremental/activities?first=3&handle=github&updated_at_after=2017-12-05T16:16:27.757Z
+    body:
+      encoding: US-ASCII
+      string: ''
+    headers:
+      Authorization:
+      - Basic NOPE
+      User-Agent:
+      - Faraday v0.13.1
+      Content-Type:
+      - application/json
+      Accept-Encoding:
+      - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
+      Accept:
+      - "*/*"
+  response:
+    status:
+      code: 200
+      message: OK
+    headers:
+      Date:
+      - Tue, 05 Dec 2017 16:24:54 GMT
+      Content-Type:
+      - application/json; charset=utf-8
+      Transfer-Encoding:
+      - chunked
+      Connection:
+      - keep-alive
+      Set-Cookie:
+      - __cfduid=dc43387e7a367ab6fa7b1183b4fba44b91512491093; expires=Wed, 05-Dec-18
+        16:24:53 GMT; path=/; Domain=api.hackerone.com; HttpOnly; Secure
+      X-Request-Id:
+      - 863a8f3a-060e-40ef-831d-9c2ef6d995ce
+      Etag:
+      - W/"79b5a37965df910984602c8925f27ef9"
+      Cache-Control:
+      - max-age=0, private, must-revalidate
+      Strict-Transport-Security:
+      - max-age=31536000; includeSubDomains; preload
+      Expect-Ct:
+      - enforce, max-age=86400
+      Content-Security-Policy:
+      - 'default-src ''none''; base-uri ''self''; block-all-mixed-content; child-src
+        www.youtube-nocookie.com; connect-src ''self'' www.google-analytics.com errors.hackerone.net;
+        font-src ''self''; form-action ''self''; frame-ancestors ''none''; img-src
+        ''self'' data: cover-photos.hackerone-user-content.com hackathon-photos.hackerone-user-content.com
+        profile-photos.hackerone-user-content.com hackerone-attachments.s3.amazonaws.com;
+        media-src ''self'' hackerone-attachments.s3.amazonaws.com; script-src ''self''
+        www.google-analytics.com; style-src ''self'' ''unsafe-inline''; report-uri
+        https://errors.hackerone.net/api/30/csp-report/?sentry_key=61c1e2f50d21487c97a071737701f598'
+      Referrer-Policy:
+      - strict-origin-when-cross-origin
+      X-Content-Type-Options:
+      - nosniff
+      X-Download-Options:
+      - noopen
+      X-Frame-Options:
+      - DENY
+      X-Permitted-Cross-Domain-Policies:
+      - none
+      X-Xss-Protection:
+      - 1; mode=block
+      Server:
+      - cloudflare-nginx
+      Cf-Ray:
+      - 3c885bb88be672f5-AMS
+    body:
+      encoding: ASCII-8BIT
+      string: '{"data":[],"meta":{"max_updated_at":null}}'
+    http_version: 
+  recorded_at: Tue, 05 Dec 2017 16:24:53 GMT
+recorded_with: VCR 3.0.3
diff --git a/fixtures/vcr_cassettes/traverse_through_all_activities.yml b/fixtures/vcr_cassettes/traverse_through_all_activities.yml
new file mode 100644
index 0000000..370c0fd
--- /dev/null
+++ b/fixtures/vcr_cassettes/traverse_through_all_activities.yml
@@ -0,0 +1,266 @@
+---
+http_interactions:
+- request:
+    method: get
+    uri: https://api.hackerone.com/v1/incremental/activities?first=25&handle=github&updated_at_after
+    body:
+      encoding: US-ASCII
+      string: ''
+    headers:
+      Authorization:
+      - Basic NOPE
+      User-Agent:
+      - Faraday v0.13.1
+      Content-Type:
+      - application/json
+      Accept-Encoding:
+      - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
+      Accept:
+      - "*/*"
+  response:
+    status:
+      code: 200
+      message: OK
+    headers:
+      Date:
+      - Thu, 07 Dec 2017 11:20:42 GMT
+      Content-Type:
+      - application/json; charset=utf-8
+      Transfer-Encoding:
+      - chunked
+      Connection:
+      - keep-alive
+      Set-Cookie:
+      - __cfduid=d1cd9fb34dc4cf47e72804e2f7cadd6b81512645641; expires=Fri, 07-Dec-18
+        11:20:41 GMT; path=/; Domain=api.hackerone.com; HttpOnly; Secure
+      X-Request-Id:
+      - d0445113-cfbb-4907-8e6d-a93922e5c5c3
+      Etag:
+      - W/"dd2824639dd19b9d08e8a1c4692f556e"
+      Cache-Control:
+      - max-age=0, private, must-revalidate
+      Strict-Transport-Security:
+      - max-age=31536000; includeSubDomains; preload
+      Expect-Ct:
+      - enforce, max-age=86400
+      Content-Security-Policy:
+      - 'default-src ''none''; base-uri ''self''; block-all-mixed-content; child-src
+        www.youtube-nocookie.com; connect-src ''self'' www.google-analytics.com errors.hackerone.net;
+        font-src ''self''; form-action ''self''; frame-ancestors ''none''; img-src
+        ''self'' data: cover-photos.hackerone-user-content.com hackathon-photos.hackerone-user-content.com
+        profile-photos.hackerone-user-content.com hackerone-attachments.s3.amazonaws.com;
+        media-src ''self'' hackerone-attachments.s3.amazonaws.com; script-src ''self''
+        www.google-analytics.com; style-src ''self'' ''unsafe-inline''; report-uri
+        https://errors.hackerone.net/api/30/csp-report/?sentry_key=61c1e2f50d21487c97a071737701f598'
+      Referrer-Policy:
+      - strict-origin-when-cross-origin
+      X-Content-Type-Options:
+      - nosniff
+      X-Download-Options:
+      - noopen
+      X-Frame-Options:
+      - DENY
+      X-Permitted-Cross-Domain-Policies:
+      - none
+      X-Xss-Protection:
+      - 1; mode=block
+      Server:
+      - cloudflare-nginx
+      Cf-Ray:
+      - 3c9718dc4bd50755-AMS
+    body:
+      encoding: ASCII-8BIT
+      string: '{"data":[{"type":"activity-bug-filed","id":"1223485","attributes":{"message":"","created_at":"2016-09-29T12:53:30.516Z","updated_at":"2016-09-29T12:53:30.516Z","internal":false},"relationships":{"actor":{"data":{"type":"user","id":"3683","attributes":{"username":"demo-hacker","name":"Demo
+        Hacker","disabled":false,"created_at":"2014-03-17T20:14:25.383Z","profile_picture":{"62x62":"https://profile-photos.hackerone-user-content.com/production/000/003/683/93c0f225152f8f18a396f325eca530143719a729_small.png?1423472503","82x82":"https://profile-photos.hackerone-user-content.com/production/000/003/683/d38d82a37a6ac1f2df43b0d36ad8ee8d0acd68d1_medium.png?1423472503","110x110":"https://profile-photos.hackerone-user-content.com/production/000/003/683/6793a1566a8c8ec72a179c63bbd92c1af965a162_large.png?1423472503","260x260":"https://profile-photos.hackerone-user-content.com/production/000/003/683/0201a343075ea8f7feb7aff975c6a48cc53536c7_xtralarge.png?1423472503"}}}}}},{"type":"activity-comment","id":"1223486","attributes":{"message":"As
+        a team manager you can [edit your program](https://hackerone.com/github/edit)
+        and [invite other team members](https://hackerone.com/github/team_members).\n","created_at":"2016-09-29T12:53:30.638Z","updated_at":"2016-09-29T12:53:30.638Z","internal":true},"relationships":{"actor":{"data":{"type":"user","id":"4954","attributes":{"username":"demo-member","name":"Demo
+        Member","disabled":false,"created_at":"2014-04-14T11:45:00.949Z","profile_picture":{"62x62":"https://profile-photos.hackerone-user-content.com/production/000/004/954/76e628d12eaacde79878b890df02c065f740b1a4_small.png?1423472456","82x82":"https://profile-photos.hackerone-user-content.com/production/000/004/954/75e4cf2599f591e618646429db57d986e496ccee_medium.png?1423472456","110x110":"https://profile-photos.hackerone-user-content.com/production/000/004/954/25f5c8af70323cacb2c2ffa17d68cac2500dc410_large.png?1423472456","260x260":"https://profile-photos.hackerone-user-content.com/production/000/004/954/d903c042cdc7798ad76684563624ee7ea071aed8_xtralarge.png?1423472456"}}}}}},{"type":"activity-user-assigned-to-bug","id":"1223487","attributes":{"message":"A
+        new report! @kerkkerkkekr, can you take a look at this?\n\n* Need more information?
+        *Change state: Needs more info*\n* Ready to get started on a fix? *Change
+        state: Triaged*\n* Job''s done? *Close report: Resolved*\n\nNeed a hand? Just
+        say the word and a HackerOne engineer will materialize, as if by magic.\n","created_at":"2016-09-29T12:53:30.780Z","updated_at":"2016-09-29T12:53:30.780Z","internal":true},"relationships":{"actor":{"data":{"type":"user","id":"4954","attributes":{"username":"demo-member","name":"Demo
+        Member","disabled":false,"created_at":"2014-04-14T11:45:00.949Z","profile_picture":{"62x62":"https://profile-photos.hackerone-user-content.com/production/000/004/954/76e628d12eaacde79878b890df02c065f740b1a4_small.png?1423472456","82x82":"https://profile-photos.hackerone-user-content.com/production/000/004/954/75e4cf2599f591e618646429db57d986e496ccee_medium.png?1423472456","110x110":"https://profile-photos.hackerone-user-content.com/production/000/004/954/25f5c8af70323cacb2c2ffa17d68cac2500dc410_large.png?1423472456","260x260":"https://profile-photos.hackerone-user-content.com/production/000/004/954/d903c042cdc7798ad76684563624ee7ea071aed8_xtralarge.png?1423472456"}}}},"assigned_user":{"data":{"id":"114514","type":"user","attributes":{"username":"kerkkerkkekr","name":"kerk
+        kerk","disabled":false,"created_at":"2016-09-29T12:52:29.551Z","profile_picture":{"62x62":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png","82x82":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png","110x110":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png","260x260":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png"}}}}}},{"type":"activity-comment","id":"1223489","attributes":{"message":"test\n","created_at":"2016-09-29T12:55:06.095Z","updated_at":"2016-09-29T12:55:06.095Z","internal":false},"relationships":{"actor":{"data":{"type":"user","id":"114514","attributes":{"username":"kerkkerkkekr","name":"kerk
+        kerk","disabled":false,"created_at":"2016-09-29T12:52:29.551Z","profile_picture":{"62x62":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png","82x82":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png","110x110":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png","260x260":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png"}}}}}},{"type":"activity-bug-not-applicable","id":"1223490","attributes":{"message":"Automated
+        vulnerability scanners commonly have low priority issues and/or false positives.
+        Before submitting the results from a scanner, please take a moment to confirm
+        that the reported issues are actually valid and exploitable. In this specific
+        case, many cookies intentionally lack the `HttpOnly` flag so that they can
+        be accessed from JavaScript. This only introduces a potential risk if the
+        cookie in question contains session data or other sensitive information.\n","created_at":"2016-09-29T12:55:17.179Z","updated_at":"2016-09-29T12:55:17.179Z","internal":false},"relationships":{"actor":{"data":{"type":"user","id":"114514","attributes":{"username":"kerkkerkkekr","name":"kerk
+        kerk","disabled":false,"created_at":"2016-09-29T12:52:29.551Z","profile_picture":{"62x62":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png","82x82":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png","110x110":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png","260x260":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png"}}}}}},{"type":"activity-comment","id":"1223491","attributes":{"message":"Sorry,
+        I''ll avoid these types of reports in the future.\n","created_at":"2016-09-29T12:55:17.244Z","updated_at":"2016-09-29T12:55:17.244Z","internal":false},"relationships":{"actor":{"data":{"type":"user","id":"3683","attributes":{"username":"demo-hacker","name":"Demo
+        Hacker","disabled":false,"created_at":"2014-03-17T20:14:25.383Z","profile_picture":{"62x62":"https://profile-photos.hackerone-user-content.com/production/000/003/683/93c0f225152f8f18a396f325eca530143719a729_small.png?1423472503","82x82":"https://profile-photos.hackerone-user-content.com/production/000/003/683/d38d82a37a6ac1f2df43b0d36ad8ee8d0acd68d1_medium.png?1423472503","110x110":"https://profile-photos.hackerone-user-content.com/production/000/003/683/6793a1566a8c8ec72a179c63bbd92c1af965a162_large.png?1423472503","260x260":"https://profile-photos.hackerone-user-content.com/production/000/003/683/0201a343075ea8f7feb7aff975c6a48cc53536c7_xtralarge.png?1423472503"}}}}}},{"type":"activity-bug-filed","id":"1223750","attributes":{"message":"","created_at":"2016-09-29T15:21:02.759Z","updated_at":"2016-09-29T15:21:02.759Z","internal":false},"relationships":{"actor":{"data":{"type":"user","id":"114514","attributes":{"username":"kerkkerkkekr","name":"kerk
+        kerk","disabled":false,"created_at":"2016-09-29T12:52:29.551Z","profile_picture":{"62x62":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png","82x82":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png","110x110":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png","260x260":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png"}}}}}},{"type":"activity-reference-id-added","id":"1532364","attributes":{"message":"","created_at":"2017-03-10T14:03:20.780Z","updated_at":"2017-03-10T14:03:20.780Z","internal":true,"reference":"TEST-4","reference_url":"https://h1test.atlassian.net/browse/TEST-4"},"relationships":{"actor":{"data":{"type":"user","id":"114514","attributes":{"username":"kerkkerkkekr","name":"kerk
+        kerk","disabled":false,"created_at":"2016-09-29T12:52:29.551Z","profile_picture":{"62x62":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png","82x82":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png","110x110":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png","260x260":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png"}}}}}},{"type":"activity-comment","id":"1540105","attributes":{"message":"The
+        [JIRA issue](https://h1test.atlassian.net/browse/TEST-4) associated with this
+        report was modified.\n\n- **Status**: changed from *Closed* to *Reopened*.\n-
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+      - none
+      X-Xss-Protection:
+      - 1; mode=block
+      Server:
+      - cloudflare-nginx
+      Cf-Ray:
+      - 3c9718e47b549d0e-AMS
+    body:
+      encoding: ASCII-8BIT
+      string: '{"data":[{"type":"activity-comment","id":"2201959","attributes":{"message":"this
+        is a comment","created_at":"2017-12-05T16:16:07.205Z","updated_at":"2017-12-05T16:16:07.205Z","internal":true},"relationships":{"actor":{"data":{"type":"user","id":"114514","attributes":{"username":"kerkkerkkekr","name":"kerk
+        kerk","disabled":false,"created_at":"2016-09-29T12:52:29.551Z","profile_picture":{"62x62":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png","82x82":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png","110x110":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png","260x260":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png"}}}}}},{"type":"activity-bounty-awarded","id":"2201960","attributes":{"message":"Here''s
+        a bounty!","created_at":"2017-12-05T16:16:27.757Z","updated_at":"2017-12-05T16:16:27.757Z","internal":false,"bounty_amount":"250"},"relationships":{"actor":{"data":{"type":"user","id":"114514","attributes":{"username":"kerkkerkkekr","name":"kerk
+        kerk","disabled":false,"created_at":"2016-09-29T12:52:29.551Z","profile_picture":{"62x62":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png","82x82":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png","110x110":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png","260x260":"/assets/avatars/default-71a302d706457f3d3a31eb30fa3e73e6cf0b1d677b8fa218eaeaffd67ae97918.png"}}}}}}],"meta":{"max_updated_at":"2017-12-05T16:16:27.757Z"}}'
+    http_version: 
+  recorded_at: Thu, 07 Dec 2017 11:20:43 GMT
+- request:
+    method: get
+    uri: https://api.hackerone.com/v1/incremental/activities?first=25&handle=github&updated_at_after=2017-12-05T16:16:27.757Z
+    body:
+      encoding: US-ASCII
+      string: ''
+    headers:
+      Authorization:
+      - Basic NOPE
+      User-Agent:
+      - Faraday v0.13.1
+      Content-Type:
+      - application/json
+      Accept-Encoding:
+      - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
+      Accept:
+      - "*/*"
+  response:
+    status:
+      code: 200
+      message: OK
+    headers:
+      Date:
+      - Thu, 07 Dec 2017 11:20:44 GMT
+      Content-Type:
+      - application/json; charset=utf-8
+      Transfer-Encoding:
+      - chunked
+      Connection:
+      - keep-alive
+      Set-Cookie:
+      - __cfduid=d59112f789e4ddbe951f904df9b223f041512645643; expires=Fri, 07-Dec-18
+        11:20:43 GMT; path=/; Domain=api.hackerone.com; HttpOnly; Secure
+      X-Request-Id:
+      - '09aee1e6-00a2-4be0-8c7a-eac354c05341'
+      Etag:
+      - W/"79b5a37965df910984602c8925f27ef9"
+      Cache-Control:
+      - max-age=0, private, must-revalidate
+      Strict-Transport-Security:
+      - max-age=31536000; includeSubDomains; preload
+      Expect-Ct:
+      - enforce, max-age=86400
+      Content-Security-Policy:
+      - 'default-src ''none''; base-uri ''self''; block-all-mixed-content; child-src
+        www.youtube-nocookie.com; connect-src ''self'' www.google-analytics.com errors.hackerone.net;
+        font-src ''self''; form-action ''self''; frame-ancestors ''none''; img-src
+        ''self'' data: cover-photos.hackerone-user-content.com hackathon-photos.hackerone-user-content.com
+        profile-photos.hackerone-user-content.com hackerone-attachments.s3.amazonaws.com;
+        media-src ''self'' hackerone-attachments.s3.amazonaws.com; script-src ''self''
+        www.google-analytics.com; style-src ''self'' ''unsafe-inline''; report-uri
+        https://errors.hackerone.net/api/30/csp-report/?sentry_key=61c1e2f50d21487c97a071737701f598'
+      Referrer-Policy:
+      - strict-origin-when-cross-origin
+      X-Content-Type-Options:
+      - nosniff
+      X-Download-Options:
+      - noopen
+      X-Frame-Options:
+      - DENY
+      X-Permitted-Cross-Domain-Policies:
+      - none
+      X-Xss-Protection:
+      - 1; mode=block
+      Server:
+      - cloudflare-nginx
+      Cf-Ray:
+      - 3c9718e9ac932bc4-AMS
+    body:
+      encoding: ASCII-8BIT
+      string: '{"data":[],"meta":{"max_updated_at":null}}'
+    http_version: 
+  recorded_at: Thu, 07 Dec 2017 11:20:44 GMT
+recorded_with: VCR 3.0.3
diff --git a/lib/hackerone/client/activity.rb b/lib/hackerone/client/activity.rb
index 5538d05..aa9b284 100644
--- a/lib/hackerone/client/activity.rb
+++ b/lib/hackerone/client/activity.rb
@@ -46,6 +46,12 @@ class UserAssignedToBug < Activity
         delegate :assigned_user, to: :relationships
       end
 
+      class GroupAssignedToBug < Activity
+        def group
+          HackerOne::Client::Group.new(relationships.group[:data])
+        end
+      end
+
       class BugTriaged < Activity
       end
 
@@ -65,6 +71,7 @@ class BountySuggested < Activity
         'activity-bounty-awarded' => BountyAwarded,
         'activity-swag-awarded' => SwagAwarded,
         'activity-user-assigned-to-bug' => UserAssignedToBug,
+        'activity-group-assigned-to-bug' => GroupAssignedToBug,
         'activity-bug-triaged' => BugTriaged,
         'activity-reference-id-added' => ReferenceIdAdded,
         'activity-comment' => CommentAdded,
diff --git a/lib/hackerone/client/incremental/activities.rb b/lib/hackerone/client/incremental/activities.rb
index c8f4d7b..9a7888a 100644
--- a/lib/hackerone/client/incremental/activities.rb
+++ b/lib/hackerone/client/incremental/activities.rb
@@ -31,12 +31,13 @@ def activities
         def next_page
           return nil unless next_cursor.present?
 
-          # Remove memoization
-          @current_page = nil
-
           # Set cursor to next page
           @updated_at_after = next_cursor
 
+          # Remove memoization
+          @current_page = nil
+          @activities = nil
+
           # Fetch new page
           current_page
 
diff --git a/spec/hackerone/client/program_spec.rb b/spec/hackerone/client/program_spec.rb
index c1b5a02..4fcee87 100644
--- a/spec/hackerone/client/program_spec.rb
+++ b/spec/hackerone/client/program_spec.rb
@@ -30,4 +30,49 @@
       ).to be_present
     end
   end
+
+  describe '.incremental_activities' do
+    it 'can traverse through the activities of a program' do
+      incremental_activities = program.incremental_activities(updated_at_after: DateTime.new(2017, 12, 4, 15, 38), page_size: 3)
+
+      activities = []
+      VCR.use_cassette(:traverse_through_3_activities) do
+        incremental_activities.traverse do |activity|
+          activities << activity
+        end
+      end
+
+      expect(activities.size).to eq 3
+      group_assigned_to_bug, comment_added, bounty_awarded = activities
+      expect(group_assigned_to_bug)
+        .to be_a HackerOne::Client::Activities::GroupAssignedToBug
+      expect(group_assigned_to_bug.group).to be_present
+      expect(group_assigned_to_bug.group.name).to eq 'Standard'
+      expect(comment_added)
+        .to be_a HackerOne::Client::Activities::CommentAdded
+      expect(comment_added.message).to eq 'this is a comment'
+      expect(bounty_awarded)
+        .to be_a HackerOne::Client::Activities::BountyAwarded
+      expect(bounty_awarded.message).to eq "Here's a bounty!"
+    end
+
+    it 'can traverse through all activities of a program' do
+      incremental_activities = program.incremental_activities
+
+      activities = []
+      VCR.use_cassette(:traverse_through_all_activities) do
+        incremental_activities.traverse do |activity|
+          activities << activity
+        end
+      end
+
+      expect(activities.size).to eq 27
+
+      # Assert no activity appears twice
+      name_and_updated_at = activities.map do |activity|
+        "#{activity.class} #{activity.updated_at}"
+      end
+      expect(name_and_updated_at.size).to eq name_and_updated_at.uniq.size
+    end
+  end
 end