Add a test for Page Bundle with featured image

Alternative way to implement the request in
https://github.com/kaushalmodi/ox-hugo/issues/139

test/site/content-org/all-posts.org

@@ -1691,7 +1691,7 @@ The following results in the 'genres' property having the value
 [[https://github.com/kaushalmodi/ox-hugo/issues/99][Issue # 99]]
 * Resources                                                       :resources:
 ** TOML                                                                :toml:
-*** Post with resources in front-matter
+*** Post with resources in front-matter (TOML)
 :PROPERTIES:
 :EXPORT_FILE_NAME: resources-in-front-matter-toml
 :EXPORT_HUGO_RESOURCES: :src "image-4.png" :title "TOML: The Fourth Image"
@@ -1722,11 +1722,61 @@ The following results in the 'genres' property having the value
 This is illegal --- You'll get a user-error.
 
 The =src= field *must* be specified for the =resources= front-matter.
+*** Header image using Resources                               :header:image:
+:PROPERTIES:
+:EXPORT_HUGO_BUNDLE: header-image-using-resources
+:EXPORT_FILE_NAME: index
+:EXPORT_AUTHOR: Eastern Zhang
+:EXPORT_DATE: 2018-03-01T00:10:00+08:00
+:EXPORT_HUGO_RESOURCES: :src "stay_hungry*.jpg" :title "Stay Hungry Stay Foolish"
+:EXPORT_HUGO_RESOURCES+: :caption "Stay Hungry Stay Foolish"
+:EXPORT_HUGO_RESOURCES+: :credit "quotefancy.com"
+:EXPORT_HUGO_RESOURCES+: :url "https://quotefancy.com/quote/13609/Steve-Jobs-Stay-hungry-Stay-foolish"
+:END:
+#+begin_description
+Using the Hugo Resources feature for post header images.
+#+end_description
+
+This test suggests an alternative way to do what the OP wants in
+{{{oxhugoissue(139)}}}.
+
+Instead of having a TOML front-matter like:
+#+begin_src conf-toml
++++
+title = "fourth test"
+author = ["Eason Zhang"]
+date = 2018-03-01T00:10:00+08:00
+lastmod = 2018-03-01T00:18:00+08:00
+tags = ["project"]
+draft = true
+summary = "summary"
+image_preview = "projects/bubbles.jpg"
+[header]
+  image = "projects/Readingabook.jpg"
+  caption = "stay hungry, stay foolish"
++++
+#+end_src
+
+this post shows an example of doing something similar by exporting the
+post as a *Page Bundle* and using the *Resources* feature. Here's how
+the resource config and other front-matter is set in Org:
+#+begin_src org
+:PROPERTIES:
+:EXPORT_HUGO_BUNDLE: header-image-using-resources
+:EXPORT_FILE_NAME: index
+:EXPORT_AUTHOR: Eastern Zhang
+:EXPORT_DATE: 2018-03-01T00:10:00+08:00
+:EXPORT_HUGO_RESOURCES: :src "stay_hungry*.jpg" :title "Stay Hungry Stay Foolish"
+:EXPORT_HUGO_RESOURCES+: :caption "Stay Hungry Stay Foolish"
+:EXPORT_HUGO_RESOURCES+: :credit "quotefancy.com"
+:EXPORT_HUGO_RESOURCES+: :url "https://quotefancy.com/quote/13609/Steve-Jobs-Stay-hungry-Stay-foolish"
+:END:
+#+end_src
 ** YAML                                                                :yaml:
 :PROPERTIES:
 :EXPORT_HUGO_FRONT_MATTER_FORMAT: yaml
 :END:
-*** Post with resources in front-matter
+*** Post with resources in front-matter (YAML)
 :PROPERTIES:
 :EXPORT_FILE_NAME: resources-in-front-matter-yaml
 :EXPORT_HUGO_RESOURCES: :src "image-4.png" :title "The Fourth Image"

test/site/content/posts/header-image-using-resources/index.md

@@ -0,0 +1,53 @@
++++
+title = "Header image using Resources"
+author = ["Eastern Zhang"]
+description = "Using the Hugo Resources feature for post header images."
+date = 2018-03-01T00:10:00+08:00
+tags = ["resources", "toml", "header", "image"]
+draft = false
+[[resources]]
+  src = "stay_hungry*.jpg"
+  title = "Stay Hungry Stay Foolish"
+  [resources.params]
+    credit = "quotefancy.com"
+    caption = "Stay Hungry Stay Foolish"
+    url = "https://quotefancy.com/quote/13609/Steve-Jobs-Stay-hungry-Stay-foolish"
++++
+
+This test suggests an alternative way to do what the OP wants in
+`ox-hugo` Issue #[139](https://github.com/kaushalmodi/ox-hugo/issues/139).
+
+Instead of having a TOML front-matter like:
+
+```conf-toml
++++
+title = "fourth test"
+author = ["Eason Zhang"]
+date = 2018-03-01T00:10:00+08:00
+lastmod = 2018-03-01T00:18:00+08:00
+tags = ["project"]
+draft = true
+summary = "summary"
+image_preview = "projects/bubbles.jpg"
+[header]
+  image = "projects/Readingabook.jpg"
+  caption = "stay hungry, stay foolish"
++++
+```
+
+this post shows an example of doing something similar by exporting the
+post as a **Page Bundle** and using the **Resources** feature. Here's how
+the resource config and other front-matter is set in Org:
+
+```org
+:PROPERTIES:
+:EXPORT_HUGO_BUNDLE: header-image-using-resources
+:EXPORT_FILE_NAME: index
+:EXPORT_AUTHOR: Eastern Zhang
+:EXPORT_DATE: 2018-03-01T00:10:00+08:00
+:EXPORT_HUGO_RESOURCES: :src "stay_hungry*.jpg" :title "Stay Hungry Stay Foolish"
+:EXPORT_HUGO_RESOURCES+: :caption "Stay Hungry Stay Foolish"
+:EXPORT_HUGO_RESOURCES+: :credit "quotefancy.com"
+:EXPORT_HUGO_RESOURCES+: :url "https://quotefancy.com/quote/13609/Steve-Jobs-Stay-hungry-Stay-foolish"
+:END:
+```

test/site/content/posts/header-image-using-resources/stay_hungry_stay_foolish__quotefancy_dot_com.featured.jpg

@@ -0,0 +1 @@
+../../../content-org/images/header-image-using-resources/stay_hungry_stay_foolish__quotefancy_dot_com.jpg

test/site/content/posts/resources-in-front-matter-toml.md

@@ -1,5 +1,5 @@
 +++
-title = "Post with resources in front-matter"
+title = "Post with resources in front-matter (TOML)"
 tags = ["resources", "toml"]
 draft = false
 [[resources]]

test/site/content/posts/resources-in-front-matter-yaml.md

@@ -1,5 +1,5 @@
 ---
-title: "Post with resources in front-matter"
+title: "Post with resources in front-matter (YAML)"
 tags: ["resources", "yaml"]
 draft: false
 resources:

test/site/themes/bare_min

@@ -1 +1 @@
-Subproject commit d194f70dedf4e777d9115e19fcbeefb880c6deb5
+Subproject commit fb71bfd8b53416d1d100e3ad04c3ad4daa3b2ced