feat: Implement store/load cookies to yaml

CHANGELOG.md

@@ -6,6 +6,8 @@
 - `Ferrum::Browser#close` closes browser gracefully issuing a CDP command, doesn't clean up ruby resources.
 - `Ferrum::Node#remove` removes node from DOM tree.
 - `Ferrum::Node#exists?` check whether the node in ruby world still exists in the DOM tree.
+- `Ferrum::Cookies#store` stores all cookies of current page in a file.
+- `Ferrum::Cookies#load` Loads all cookies from the file and sets them for current page.
 
 ### Changed
 

README.md

@@ -882,6 +882,25 @@ Removes all cookies for current page
 page.cookies.clear # => true
 ```
 
+#### store(path) : `Boolean`
+
+Stores all cookies of current page in a file.
+
+```ruby
+# Cookies are saved into cookies.yml
+page.cookies.store # => 15657
+```
+
+#### load(path) : `Boolean`
+
+Loads all cookies from the file and sets them for current page.
+
+```ruby
+# Cookies are loaded from cookies.yml
+page.cookies.load # => true
+```
+
+
 ## Headers
 
 `page.headers`

lib/ferrum/cookies.rb

@@ -1,5 +1,6 @@
 # frozen_string_literal: true
 
+require "yaml"
 require "ferrum/cookies/cookie"
 
 module Ferrum
@@ -169,6 +170,32 @@ def clear
       true
     end
 
+    #
+    # Stores all cookies of current page in a file.
+    #
+    # @return [Integer]
+    #
+    # @example
+    #   browser.cookies.store # => Integer
+    #
+    def store(path = "cookies.yml")
+      File.write(path, map(&:to_h).to_yaml)
+    end
+
+    #
+    # Loads all cookies from the file and sets them for current page.
+    #
+    # @return [true]
+    #
+    # @example
+    #   browser.cookies.load # => true
+    #
+    def load(path = "cookies.yml")
+      cookies = YAML.load_file(path)
+      cookies.each { |c| set(c) }
+      true
+    end
+
     private
 
     def default_domain

spec/cookies_spec.rb

@@ -262,4 +262,33 @@
       expect(browser.body).to_not include("test_cookie")
     end
   end
+
+  describe "#store" do
+    it "stores cookies" do
+      page.go_to("/set_cookie")
+
+      page.cookies.store("test.yml")
+
+      cookies = YAML.load_file("test.yml")
+      expect(cookies.size).to eq(1)
+      expect(cookies[0]["name"]).to eq("stealth")
+      expect(cookies[0]["value"]).to eq("test_cookie")
+      expect(cookies[0]["domain"]).to eq("127.0.0.1")
+    ensure
+      File.delete("test.yml")
+    end
+  end
+
+  describe "#load" do
+    it "stores cookies" do
+      cookie = { "name" => "stealth", "value" => "hello world", "domain" => "127.0.0.1", "path" => "/" }
+      File.write("test.yml", [cookie].to_yaml)
+      page.cookies.load("test.yml")
+
+      page.go_to("/get_cookie")
+      expect(page.body).to include("hello world")
+    ensure
+      File.delete("test.yml")
+    end
+  end
 end