feat: implement redirect? for Response (#392)

* feat: implement `redirect?` for Response

* chore: fix linter

* chore: fix round test

Author: route

CHANGELOG.md

@@ -2,9 +2,11 @@
 
 ### Added
 - `Ferrum::Network#cache(disable: true | false)` whether or not to use cache for every request
+- `Ferrum::Network::Exchange#redirect?` determines if the exchange is a redirect
 - `Ferrum::Network::Exchange#xhr?` determines if the exchange is XHR
 - `Ferrum::Network::Request#xhr?` determines if the request is XHR
 - `Ferrum::Network::Response#loaded?` returns true if the response is fully loaded
+- `Ferrum::Network::Response#redirect?` returns true if the response is a redirect
 - `Ferrum::Node#in_viewport?` checks if the element in viewport (optional argument `scope` as `Ferrum::Node`)
 - `Ferrum::Node#scroll_into_view` - scrolls to element if needed (when it's not in the viewport)
 - `Ferrum::Cookies#each` - is now Enumerable and supports `each` method

lib/ferrum/network/exchange.rb

@@ -109,6 +109,15 @@ def xhr?
         !!request&.xhr?
       end
 
+      #
+      # Determines if the exchange is a redirect.
+      #
+      # @return [Boolean]
+      #
+      def redirect?
+        response&.redirect?
+      end
+
       #
       # Returns request's URL.
       #

lib/ferrum/network/response.rb

@@ -146,8 +146,15 @@ def loaded?
         @loaded
       end
 
+      # Whether the response is a redirect.
       #
-      # Comapres the respones ID to another response's ID.
+      # @return [Boolean]
+      def redirect?
+        params.key?("redirectResponse")
+      end
+
+      #
+      # Compares the response's ID to another response's ID.
       #
       # @return [Boolean]
       #   Indicates whether the response has the same ID as the other response

spec/network/exchange_spec.rb

@@ -111,6 +111,14 @@
     end
   end
 
+  describe "#redirect?" do
+    it "determines if exchange is a redirect" do
+      page.go_to("/redirect_again")
+
+      expect(first_exchange.response.redirect?).to be
+    end
+  end
+
   describe "#pending?" do
     it "determines if exchange is not fully loaded" do
       allow(page).to receive(:timeout) { 2 }

spec/network/response_spec.rb

@@ -73,6 +73,15 @@
     end
   end
 
+  describe "#redirect?" do
+    it "captures errors" do
+      page.go_to("/redirect_again")
+
+      expect(page.body).to include("You landed")
+      expect(first_exchange.response.redirect?).to be
+    end
+  end
+
   describe "#body_size" do
     it "counts network traffic for each loaded resource" do
       page.go_to("/ferrum/with_js")

spec/page/screenshot_spec.rb

@@ -145,7 +145,7 @@ def create_screenshot(**options)
         browser.screenshot(path: file, quality: 0) # ignored for png
         browser.screenshot(path: file2) # defaults to a quality of 75
         browser.screenshot(path: file3, quality: 100)
-        expect(File.size(file)).to be > File.size(file2) # png by defult is bigger
+        expect(File.size(file)).to be > File.size(file2) # png by default is bigger
         expect(File.size(file2)).to be < File.size(file3)
       ensure
         FileUtils.rm_f([file2, file3])
@@ -301,7 +301,7 @@ def create_screenshot(path:, **options)
         reader.pages.each do |page|
           bbox = page.attributes[:MediaBox]
           width = (bbox[2] - bbox[0]) / 72
-          expect(width.round(2)).to eq(33.10)
+          expect(width.round(1)).to eq(33.1)
         end
       end
 

spec/support/global_helpers.rb

@@ -23,6 +23,10 @@ def traffic
     network.traffic
   end
 
+  def first_exchange
+    traffic.first
+  end
+
   def last_exchange
     traffic.last
   end

spec/support/server.rb

@@ -121,7 +121,7 @@ def responsive?
       return false if @server_thread&.join(0)
 
       res = Net::HTTP.start(host, port, read_timeout: 2, max_retries: 0) { |h| h.get("/__identify__") }
-      return res.body == app.object_id.to_s if res.is_a?(Net::HTTPSuccess) || res.is_a?(Net::HTTPRedirection)
+      res.body == app.object_id.to_s if res.is_a?(Net::HTTPSuccess) || res.is_a?(Net::HTTPRedirection)
     rescue SystemCallError, Net::ReadTimeout
       false
     end