nijie: add canonical url tests.

test/models/upload_service_test.rb

@@ -1081,6 +1081,17 @@ class UploadServiceTest < ActiveSupport::TestCase
       end
     end
 
+    context "for nijie" do
+      should "record the canonical source" do
+        page_url = "https://nijie.info/view.php?id=213043"
+        image_url = "https://pic03.nijie.info/nijie_picture/728995_20170505014820_0.jpg"
+        upload = FactoryBot.create(:jpg_upload, file_size: 1000, md5: "12345", file_ext: "jpg", image_width: 100, image_height: 100, source: image_url, referer_url: page_url)
+
+        post = UploadService.new({}).create_post_from_upload(upload)
+        assert_equal(page_url, post.source)
+      end
+    end
+
     context "for an image" do
       setup do
         @upload = FactoryBot.create(:source_upload, file_size: 1000, md5: "12345", file_ext: "jpg", image_width: 100, image_height: 100)

test/unit/sources/nijie_test.rb

@@ -14,6 +14,10 @@ module Sources
         assert_equal("https://pic03.nijie.info/nijie_picture/728995_20170505014820_0.jpg", @site.image_url)
       end
 
+      should "get the canonical url" do
+        assert_equal("https://nijie.info/view.php?id=213043", @site.canonical_url)
+      end
+
       should "get the profile" do
         assert_equal("https://nijie.info/members.php?id=728995", @site.profile_url)
       end
@@ -54,6 +58,10 @@ module Sources
         assert_equal("http://pic03.nijie.info/nijie_picture/728995_20170505014820_0.jpg", @site.image_url)
       end
 
+      should "get the canonical url" do
+        assert_equal("https://nijie.info/view.php?id=213043", @site.canonical_url)
+      end
+
       should "get the profile" do
         assert_equal("https://nijie.info/members.php?id=728995", @site.profile_url)
       end
@@ -72,6 +80,10 @@ module Sources
         assert_equal("https://pic03.nijie.info/nijie_picture/728995_20170505014820_0.jpg", @site.image_url)
       end
 
+      should "get the canonical url" do
+        assert_equal("https://nijie.info/view.php?id=213043", @site.canonical_url)
+      end
+
       should "get the profile" do
         assert_equal("https://nijie.info/members.php?id=728995", @site.profile_url)
       end