Fix jekyll/jekyll-seo-tag#461

lib/jekyll-seo-tag/image_drop.rb

@@ -61,13 +61,17 @@ module Jekyll
 
       def absolute_url
         return unless raw_path
-        return @absolute_url if defined? @absolute_url
+        @absolute_url ||= build_absolute_path
+      end
 
-        @absolute_url = if raw_path.is_a?(String) && absolute_url?(raw_path) == false
-                          filters.absolute_url raw_path
-                        else
-                          raw_path
-                        end
+      def build_absolute_path
+        return raw_path unless raw_path.is_a?(String) && absolute_url?(raw_path) == false
+
+        if !raw_path.start_with?("/")
+          return filters.absolute_url File.join(File.dirname(context.registers[:page]["url"]), raw_path)
+        end
+
+        filters.absolute_url raw_path
       end
 
       def filters

spec/jekyll_seo_tag/drop_spec.rb

@@ -415,7 +415,7 @@ RSpec.describe Jekyll::SeoTag::Drop do
   end
 
   context "image" do
-    let(:image) { "foo.png" }
+    let(:image) { "/foo.png" }
     let(:page_meta) { { "image" => image } }
 
     it "returns a Drop" do

spec/jekyll_seo_tag/image_drop_spec.rb

@@ -3,7 +3,7 @@
 RSpec.describe Jekyll::SeoTag::ImageDrop do
   let(:config)    { { "title" => "site title" } }
   let(:image)     { nil }
-  let(:page_meta) { { "image" => image } }
+  let(:page_meta) { { "image" => image, "dir" => "foo" } }
   let(:page)      { make_page(page_meta) }
   let(:site)      { make_site(config) }
   let(:context)   { make_context(:page => page, :site => site) }
@@ -14,9 +14,25 @@ RSpec.describe Jekyll::SeoTag::ImageDrop do
     Jekyll.logger.log_level = :error
   end
 
-  context "with image as a string" do
+  context "with image as a relative path" do
     let(:image) { "image.png" }
 
+    it "returns the image with the page dir prepended" do
+      expect(subject["path"]).to eql("/foo/image.png")
+    end
+
+    context "with site.url" do
+      let(:config) { { "url" => "http://example.com" } }
+
+      it "makes the path absolute" do
+        expect(subject["path"]).to eql("http://example.com/foo/image.png")
+      end
+    end
+  end
+
+  context "with image as an absolute path" do
+    let(:image) { "/image.png" }
+
     it "returns the image" do
       expect(subject["path"]).to eql("/image.png")
     end
@@ -30,7 +46,7 @@ RSpec.describe Jekyll::SeoTag::ImageDrop do
     end
 
     context "with a URL-escaped path" do
-      let(:image) { "some image.png" }
+      let(:image) { "/some image.png" }
 
       it "URL-escapes the image" do
         expect(subject["path"]).to eql("/some%20image.png")
@@ -39,8 +55,8 @@ RSpec.describe Jekyll::SeoTag::ImageDrop do
   end
 
   context "with image as a hash" do
-    context "with a path" do
-      let(:image) { { "path" => "image.png" } }
+    context "with an absolute path" do
+      let(:image) { { "path" => "/image.png" } }
 
       it "returns the image" do
         expect(subject["path"]).to eql("/image.png")
@@ -48,7 +64,7 @@ RSpec.describe Jekyll::SeoTag::ImageDrop do
     end
 
     context "with facebook" do
-      let(:image) { { "facebook" => "image.png" } }
+      let(:image) { { "facebook" => "/image.png" } }
 
       it "returns the image" do
         expect(subject["path"]).to eql("/image.png")
@@ -56,7 +72,7 @@ RSpec.describe Jekyll::SeoTag::ImageDrop do
     end
 
     context "with twitter" do
-      let(:image) { { "twitter" => "image.png" } }
+      let(:image) { { "twitter" => "/image.png" } }
 
       it "returns the image" do
         expect(subject["path"]).to eql("/image.png")

spec/jekyll_seo_tag/json_ld_drop_spec.rb

@@ -113,8 +113,8 @@ RSpec.describe Jekyll::SeoTag::JSONLDDrop do
   end
 
   context "image" do
-    context "with image as a string" do
-      let(:image) { "image" }
+    context "with image as an absolute path" do
+      let(:image) { "/image" }
 
       it "returns the image as a string" do
         expect(subject).to have_key("image")
@@ -124,7 +124,7 @@ RSpec.describe Jekyll::SeoTag::JSONLDDrop do
     end
 
     context "with image as a hash" do
-      let(:image) { { "path" => "image", "height" => 5, "width" => 10 } }
+      let(:image) { { "path" => "/image", "height" => 5, "width" => 10 } }
 
       it "returns the image as a hash" do
         expect(subject).to have_key("image")

spec/spec_helper.rb

@@ -31,7 +31,7 @@ CONFIG_DEFAULTS = {
 }.freeze
 
 def make_page(options = {})
-  page = Jekyll::Page.new site, CONFIG_DEFAULTS["source"], "", "page.md"
+  page = Jekyll::Page.new site, CONFIG_DEFAULTS["source"], options.delete("dir") || "", "page.md"
   page.data = options
   page
 end