diff --git a/test/unit/sources/moebooru_test.rb b/test/unit/sources/moebooru_test.rb
index e4212ceed..fccfaa67b 100644
--- a/test/unit/sources/moebooru_test.rb
+++ b/test/unit/sources/moebooru_test.rb
@@ -2,111 +2,105 @@ require "test_helper"
 
 module Sources
   class MoebooruTest < ActiveSupport::TestCase
-    def assert_source_data_equals(url, referer = nil, site_name: nil, image_url: nil, page_url: nil, size: nil, tags: [], profile_url: nil, **params)
-      site = Source::Extractor.find(url, referer)
-
-      assert_equal(site_name, site.site_name)
-      assert_equal([image_url], site.image_urls)
-      assert_equal(page_url, site.page_url) if page_url.present?
-      assert_equal(tags.sort, site.tags.map(&:first).sort)
-      assert_equal(profile_url.to_s, site.profile_url.to_s)
-      assert_nothing_raised { site.to_h }
-    end
-
-    context "Yande.re:" do
-      context "A 'https://yande.re/jpeg/:hash/:file.jpg' jpeg sample url" do
-        should "download the original file" do
-          @source = "https://yande.re/jpeg/2c6876ac2317fce617e3c5f1a642123b/yande.re%20292092%20hatsune_miku%20tid%20vocaloid.jpg"
-          @rewrite = "https://files.yande.re/image/2c6876ac2317fce617e3c5f1a642123b/yande.re%20292092.png"
-          assert_rewritten(@rewrite, @source)
-          assert_downloaded(1_050_117, @source)
-        end
+    context "For Yande.re," do
+      context "a post" do
+        strategy_should_work(
+          "https://yande.re/post/show/482880",
+          image_urls: ["https://files.yande.re/image/7ecfdead705d7b956b26b1d37b98d089/yande.re%20482880.jpg"],
+          download_size: 362_554,
+          tags: ["bayashiko", "journey_to_the_west", "sun_wukong"],
+          page_url: "https://yande.re/post/show/482880",
+          profile_url: "https://twitter.com/apononori"
+        )
       end
 
-      context "Fetching data for an active yande.re .jpg post" do
-        should "work" do
-          @samp = "https://files.yande.re/sample/7ecfdead705d7b956b26b1d37b98d089/yande.re%20482880%20sample%20bayashiko%20journey_to_the_west%20sun_wukong.jpg"
-          @full = "https://files.yande.re/image/7ecfdead705d7b956b26b1d37b98d089/yande.re%20482880.jpg"
-          @page = "https://yande.re/post/show/482880"
-          @tags = ["bayashiko", "journey_to_the_west", "sun_wukong"]
-          @size = 362_554
-          @profile_url = "https://twitter.com/apononori"
-          @data = { site_name: "Yande.re", image_url: @full, page_url: @page, size: @size, tags: @tags, profile_url: @profile_url }
-
-          assert_source_data_equals(@samp, **@data)
-          assert_source_data_equals(@full, **@data)
-          assert_source_data_equals(@page, **@data)
-        end
+      context "a https://yande.re/sample/:hash/:file.jpg" do
+        strategy_should_work(
+          "https://files.yande.re/sample/7ecfdead705d7b956b26b1d37b98d089/yande.re%20482880%20sample%20bayashiko%20journey_to_the_west%20sun_wukong.jpg",
+          image_urls: ["https://files.yande.re/image/7ecfdead705d7b956b26b1d37b98d089/yande.re%20482880.jpg"],
+          download_size: 362_554,
+          tags: ["bayashiko", "journey_to_the_west", "sun_wukong"],
+          page_url: "https://yande.re/post/show/482880",
+          profile_url: "https://twitter.com/apononori"
+        )
       end
 
-      context "Fetching data for a deleted yande.re .png post with the post id" do
-        should "work" do
-          @samp = "https://files.yande.re/sample/fb27a7ea6c48b2ef76fe915e378b9098/yande.re%20398018%20detexted%20misaki_kurehito%20saenai_heroine_no_sodatekata%20sawamura_spencer_eriri%20thighhighs.jpg"
-          @jpeg = "https://files.yande.re/sample/fb27a7ea6c48b2ef76fe915e378b9098/yande.re%20398018%20detexted%20misaki_kurehito%20saenai_heroine_no_sodatekata%20sawamura_spencer_eriri%20thighhighs.jpg"
-          @full = "https://files.yande.re/image/fb27a7ea6c48b2ef76fe915e378b9098/yande.re%20398018.png"
-          @page = "https://yande.re/post/show/398018"
-          @tags = ["misaki_kurehito", "saenai_heroine_no_sodatekata", "sawamura_spencer_eriri", "detexted", "thighhighs"]
-          @size = 9_118_998
-          @data = { site_name: "Yande.re", image_url: @full, page_url: @page, size: @size, tags: @tags, profile_url: nil }
-
-          assert_source_data_equals(@samp, **@data)
-          assert_source_data_equals(@jpeg, **@data)
-          assert_source_data_equals(@full, **@data)
-          assert_source_data_equals(@page, **@data)
-        end
+      context "a 'https://yande.re/jpeg/:hash/:file.jpg' jpeg sample url" do
+        strategy_should_work(
+          "https://yande.re/jpeg/2c6876ac2317fce617e3c5f1a642123b/yande.re%20292092%20hatsune_miku%20tid%20vocaloid.jpg",
+          image_urls: ["https://files.yande.re/image/2c6876ac2317fce617e3c5f1a642123b/yande.re%20292092.png"],
+          download_size: 1_050_117
+        )
       end
 
-      context "Fetching data for a deleted yande.re .png post without the post id" do
-        should "work" do
-          @samp = "https://files.yande.re/sample/fb27a7ea6c48b2ef76fe915e378b9098.jpg"
-          @jpeg = "https://files.yande.re/jpeg/fb27a7ea6c48b2ef76fe915e378b9098.jpg"
-          @full = "https://files.yande.re/image/fb27a7ea6c48b2ef76fe915e378b9098.png"
-          @tags = []
-          @size = 9_118_998
-          @data = { site_name: "Yande.re", image_url: @full, page_url: @page, size: @size, tags: @tags, profile_url: nil }
-
-          assert_source_data_equals(@samp, **@data)
-          assert_source_data_equals(@jpeg, **@data)
-          assert_source_data_equals(@full, **@data)
-        end
+      context "a deleted yande.re post with the post id" do
+        strategy_should_work(
+          "https://files.yande.re/sample/fb27a7ea6c48b2ef76fe915e378b9098/yande.re%20398018%20detexted%20misaki_kurehito%20saenai_heroine_no_sodatekata%20sawamura_spencer_eriri%20thighhighs.jpg",
+          image_urls: ["https://files.yande.re/image/fb27a7ea6c48b2ef76fe915e378b9098/yande.re%20398018.png"],
+          page_url: "https://yande.re/post/show/398018",
+          tags: ["misaki_kurehito", "saenai_heroine_no_sodatekata", "sawamura_spencer_eriri", "detexted", "thighhighs"],
+          download_size: 9_118_998
+        )
       end
 
-      context "When the referer URL is SauceNao" do
-        should "ignore the referer" do
-          @url = "https://yande.re/post/show/469929"
-          @ref = "https://saucenao.com/"
+      context "a deleted yande.re post without the post id" do
+        strategy_should_work(
+          "https://files.yande.re/jpeg/fb27a7ea6c48b2ef76fe915e378b9098.jpg",
+          image_urls: ["https://files.yande.re/image/fb27a7ea6c48b2ef76fe915e378b9098.png"],
+          download_size: 9_118_998
+        )
+      end
 
-          assert_source_data_equals(@url, @ref,
-            site_name: "Yande.re",
-            image_url: "https://files.yande.re/image/36b031b266605d89aed2b62d479e64b1/yande.re%20469929.jpg",
-            page_url: "https://yande.re/post/show/469929",
-            tags: %w[anchovy bandages darjeeling girls_und_panzer katyusha kay_(girls_und_panzer) mika_(girls_und_panzer) nishi_kinuyo nishizumi_maho nishizumi_miho shimada_arisu uniform],
-          )
-        end
+      context "a yande.re post with a saucenao referer" do
+        strategy_should_work(
+          "https://yande.re/post/show/469929",
+          referer: "https://saucenao.com",
+          image_urls: ["https://files.yande.re/image/36b031b266605d89aed2b62d479e64b1/yande.re%20469929.jpg"],
+          page_url: "https://yande.re/post/show/469929",
+          tags: %w[anchovy bandages darjeeling girls_und_panzer katyusha kay_(girls_und_panzer) mika_(girls_und_panzer) nishi_kinuyo nishizumi_maho nishizumi_miho shimada_arisu uniform]
+        )
       end
     end
 
-    context "Konachan.com:" do
-      context "Fetching data for an active konachan.com .png post" do
-        should "work" do
-          @samp = "https://konachan.com/sample/ca12cdb79a66d242e95a6f958341bf05/Konachan.com%20-%20270916%20sample.jpg"
-          @jpeg = "https://konachan.com/jpeg/ca12cdb79a66d242e95a6f958341bf05/Konachan.com%20-%20270916%20anthropomorphism%20bed%20blonde_hair%20bow%20brown_eyes%20doll%20girls_frontline%20hara_shoutarou%20hoodie%20long_hair%20pantyhose%20scar%20skirt%20twintails.jpg"
-          @full = "https://konachan.com/image/ca12cdb79a66d242e95a6f958341bf05/Konachan.com%20-%20270916.png"
-          @page = "https://konachan.com/post/show/270916"
-          @size = 8_167_593
-          @tags = %w[
-            anthropomorphism bed blonde_hair bow brown_eyes doll
-            girls_frontline hara_shoutarou hoodie long_hair pantyhose scar skirt
-            twintails ump-45_(girls_frontline) ump-9_(girls_frontline)
-          ]
-          @profile_url = "https://www.pixiv.net/users/22528152"
+    context "For konachan.com," do
+      context "a sample url" do
+        strategy_should_work(
+          "https://konachan.com/sample/ca12cdb79a66d242e95a6f958341bf05/Konachan.com%20-%20270916%20sample.jpg",
+          image_urls: ["https://konachan.com/image/ca12cdb79a66d242e95a6f958341bf05/Konachan.com%20-%20270916.png"],
+          download_size: 8_167_593,
+          tags: %w[anthropomorphism bed blonde_hair bow brown_eyes doll girls_frontline hara_shoutarou hoodie long_hair pantyhose scar skirt twintails ump-45_(girls_frontline) ump-9_(girls_frontline)],
+          profile_url: "https://www.pixiv.net/users/22528152"
+        )
+      end
 
-          @data = { site_name: "Konachan", image_url: @full, page_url: @page, size: @size, tags: @tags, profile_url: @profile_url }
-          assert_source_data_equals(@samp, **@data)
-          assert_source_data_equals(@jpeg, **@data)
-          assert_source_data_equals(@full, **@data)
-          assert_source_data_equals(@page, **@data)
-        end
+      context "a jpeg url" do
+        strategy_should_work(
+          "https://konachan.com/jpeg/ca12cdb79a66d242e95a6f958341bf05/Konachan.com%20-%20270916%20anthropomorphism%20bed%20blonde_hair%20bow%20brown_eyes%20doll%20girls_frontline%20hara_shoutarou%20hoodie%20long_hair%20pantyhose%20scar%20skirt%20twintails.jpg",
+          image_urls: ["https://konachan.com/image/ca12cdb79a66d242e95a6f958341bf05/Konachan.com%20-%20270916.png"],
+          download_size: 8_167_593,
+          tags: %w[anthropomorphism bed blonde_hair bow brown_eyes doll girls_frontline hara_shoutarou hoodie long_hair pantyhose scar skirt twintails ump-45_(girls_frontline) ump-9_(girls_frontline)],
+          profile_url: "https://www.pixiv.net/users/22528152"
+        )
+      end
+
+      context "a full-size image url" do
+        strategy_should_work(
+          "https://konachan.com/image/ca12cdb79a66d242e95a6f958341bf05/Konachan.com%20-%20270916.png",
+          image_urls: ["https://konachan.com/image/ca12cdb79a66d242e95a6f958341bf05/Konachan.com%20-%20270916.png"],
+          download_size: 8_167_593,
+          tags: %w[anthropomorphism bed blonde_hair bow brown_eyes doll girls_frontline hara_shoutarou hoodie long_hair pantyhose scar skirt twintails ump-45_(girls_frontline) ump-9_(girls_frontline)],
+          profile_url: "https://www.pixiv.net/users/22528152"
+        )
+      end
+
+      context "a post url" do
+        strategy_should_work(
+          "https://konachan.com/post/show/270916",
+          image_urls: ["https://konachan.com/image/ca12cdb79a66d242e95a6f958341bf05/Konachan.com%20-%20270916.png"],
+          download_size: 8_167_593,
+          tags: %w[anthropomorphism bed blonde_hair bow brown_eyes doll girls_frontline hara_shoutarou hoodie long_hair pantyhose scar skirt twintails ump-45_(girls_frontline) ump-9_(girls_frontline)],
+          profile_url: "https://www.pixiv.net/users/22528152"
+        )
       end
     end