From 1596da6813df63e9ada28091b8dc51bd383b9590 Mon Sep 17 00:00:00 2001
From: David Karlsson <35727626+dvdksn@users.noreply.github.com>
Date: Thu, 12 Oct 2023 09:32:55 +0200
Subject: [PATCH] docs: add tests

Signed-off-by: David Karlsson <35727626+dvdksn@users.noreply.github.com>
---
 docker-bake.hcl             | 6 ++++++
 dockerfiles/docs.Dockerfile | 7 +++++++
 docs/.htmltest.yml          | 9 +++++++++
 3 files changed, 22 insertions(+)
 create mode 100644 docs/.htmltest.yml

diff --git a/docker-bake.hcl b/docker-bake.hcl
index e6741878..2b7f25d6 100644
--- a/docker-bake.hcl
+++ b/docker-bake.hcl
@@ -111,3 +111,9 @@ target "docs-image" {
   output = ["type=docker"]
   tags = ["registry-docs:local"]
 }
+
+target "docs-test" {
+  inherits = ["_common_docs"]
+  target = "test"
+  output = ["type=cacheonly"]
+}
diff --git a/dockerfiles/docs.Dockerfile b/dockerfiles/docs.Dockerfile
index 8b31345b..4d351b69 100644
--- a/dockerfiles/docs.Dockerfile
+++ b/dockerfiles/docs.Dockerfile
@@ -26,3 +26,10 @@ EXPOSE 1313
 
 FROM scratch AS out
 COPY --from=build /out /
+
+FROM wjdp/htmltest:v0.17.0 AS test
+WORKDIR /test
+COPY --from=build /out ./public
+ADD docs/.htmltest.yml .htmltest.yml
+RUN --mount=type=cache,target=tmp/.htmltest \
+    htmltest
diff --git a/docs/.htmltest.yml b/docs/.htmltest.yml
new file mode 100644
index 00000000..d02699b4
--- /dev/null
+++ b/docs/.htmltest.yml
@@ -0,0 +1,9 @@
+DirectoryPath: "public"
+EnforceHTTPS: true
+CheckDoctype: true
+CheckExternal: true
+IgnoreAltMissing: true
+IgnoreAltEmpty: true
+IgnoreEmptyHref: true
+IgnoreInternalEmptyHash: true
+IgnoreDirectoryMissingTrailingSlash: true