implement ugoira converter

test/unit/pixiv_ugoira_converter_test.rb

@@ -0,0 +1,60 @@
+require "test_helper"
+
+class PixivUgoiraConverterTest < ActiveSupport::TestCase
+  context "An ugoira converter" do
+    setup do
+      @url = "http://www.pixiv.net/member_illust.php?mode=medium&illust_id=46378654"
+      @agent = begin
+        mech = Mechanize.new
+
+        phpsessid = Cache.get("pixiv-phpsessid")
+        if phpsessid
+          cookie = Mechanize::Cookie.new("PHPSESSID", phpsessid)
+          cookie.domain = ".pixiv.net"
+          cookie.path = "/"
+          mech.cookie_jar.add(cookie)
+        else
+          mech.get("http://www.pixiv.net") do |page|
+            page.form_with(:action => "/login.php") do |form|
+              form['pixiv_id'] = Danbooru.config.pixiv_login
+              form['pass'] = Danbooru.config.pixiv_password
+            end.click_button
+          end
+          phpsessid = mech.cookie_jar.cookies.select{|c| c.name == "PHPSESSID"}.first
+          Cache.put("pixiv-phpsessid", phpsessid.value, 1.month) if phpsessid
+        end
+
+        mech
+      end
+      @write_file = Tempfile.new("output")
+    end
+
+    teardown do
+      @write_file.unlink
+    end
+
+    should "output to gif" do
+      @converter = PixivUgoiraConverter.new(@agent, @url, @write_file.path, :gif)
+      VCR.use_cassette("ugoira-converter", :record => :new_episodes) do
+        @converter.process
+      end
+      assert_operator(File.size(@converter.write_path), :>, 1_000)
+    end
+
+    should "output to webm" do
+      @converter = PixivUgoiraConverter.new(@agent, @url, @write_file.path, :webm)
+      VCR.use_cassette("ugoira-converter", :record => :new_episodes) do
+        @converter.process
+      end
+      assert_operator(File.size(@converter.write_path), :>, 1_000)
+    end
+
+    should "output to apng" do
+      @converter = PixivUgoiraConverter.new(@agent, @url, @write_file.path, :apng)
+      VCR.use_cassette("ugoira-converter", :record => :new_episodes) do
+        @converter.process
+      end
+      assert_operator(File.size(@converter.write_path), :>, 1_000)
+    end
+  end
+end