wip

Author: pftg

test/capybara/screenshot/diff/image_compare_refactor_test.rb

@@ -0,0 +1,45 @@
+# frozen_string_literal: true
+
+require "capybara/rspec"
+
+require "capybara_screenshot_diff/rspec"
+require "support/stub_test_methods"
+
+unless defined?(SCREEN_SIZE)
+  require "test_helper"
+  require "support/setup_capybara_drivers"
+end
+
+RSpec.describe "capybara_screenshot_diff/rspec", type: :feature do
+  before do
+    Capybara.current_driver = Capybara.javascript_driver
+    Capybara.page.current_window.resize_to(*SCREEN_SIZE)
+    Capybara::Screenshot.window_size = SCREEN_SIZE
+
+    Capybara::Screenshot.save_path = "doc/screenshots"
+    Capybara::Screenshot.root = Rails.root / "../test/fixtures/app"
+    Capybara::Screenshot.add_os_path = true
+    Capybara::Screenshot.add_driver_path = true
+    Capybara::Screenshot::Diff.driver = ENV.fetch("SCREENSHOT_DRIVER", "chunky_png").to_sym
+    Capybara::Screenshot::Diff.tolerance = 0.5
+  end
+
+  it "should include CapybaraScreenshotDiff in rspec" do
+    expect(self.class.ancestors).to include CapybaraScreenshotDiff::DSL
+  end
+
+  it "visits and compare screenshot on teardown" do
+    visit "/"
+    screenshot "index"
+  end
+
+  it "use custom matcher" do
+    visit "/"
+
+    expect(page).to match_screenshot("index", skip_stack_frames: 1, driver: :chunky_png)
+  end
+
+  it "does not conflicts with rspec methods" do
+    expect { raise StandardError }.to raise_error(StandardError)
+  end
+end

test/fixtures/comparisons/a-and-b.diff.png

@@ -10,7 +10,7 @@ class RspecTest < SystemTestCase
 
       # Run the RSpec spec file
       capture_output = StringIO.new
-      spec_file = (ActiveSupport::TestCase.file_fixture_path / "files/rspec_spec.rb").to_s
+      spec_file = file_fixture("rspec_spec.rb").to_s
       rspec_status = RSpec::Core::Runner.run([spec_file], capture_output, capture_output)
 
       assert_equal 0, rspec_status, "RSpec tests failed:\n#{capture_output.string}"

test/fixtures/comparisons/a-and-b.heatmap.diff.png

@@ -1,3 +1,5 @@
+require "active_support/concern"
+
 module CapybaraScreenshotDiff
   module DSLStub
     extend ActiveSupport::Concern

test/fixtures/comparisons/a-and-c.diff.png

@@ -57,7 +57,7 @@ def fixture_image_path_from(original_new_image, ext = "png")
   end
 
   def assert_same_images(expected_image_name, image_path)
-    expected_image_path = file_fixture("files/comparisons/#{expected_image_name}")
+    expected_image_path = file_fixture("comparisons/#{expected_image_name}")
     assert_predicate(Capybara::Screenshot::Diff::ImageCompare.new(image_path, expected_image_path), :quick_equal?)
   end