test: add more tests for relative() helper

test/themes/helpers/relative.spec.js

@@ -1,10 +1,11 @@
-const date = require('../../../src/website/theme-base/helpers/relative')
+const relative = require('../../../src/website/theme-base/helpers/relative')
 const handlebars = require('handlebars')
 const should = require('should/as-function')
 
 describe('Handlebars helpers: relative', () => {
-  handlebars.registerHelper('relative', date)
+  handlebars.registerHelper('relative', relative)
 
+  describe('theme assets', () => {
     it('returns a path in the same folder', () => {
       const template = handlebars.compile('<link rel="stylesheet" href="{{relative \'public/theme.css\'}}" />')
       const res = template({
@@ -24,6 +25,28 @@ describe('Handlebars helpers: relative', () => {
       })
       should(res).eql('<link rel="stylesheet" href="../public/theme.css" />')
     })
+  })
+
+  describe('images and videos', () => {
+    it('returns a path from the root album', () => {
+      const template = handlebars.compile('<img src="{{relative \'media/thumbs/img.jpg\'}}" />')
+      const res = template({
+        album: {
+          path: 'index.html'
+        }
+      })
+      should(res).eql('<img src="media/thumbs/img.jpg" />')
+    })
+
+    it('returns a path from a nested album', () => {
+      const template = handlebars.compile('<img src="{{relative \'media/thumbs/img.jpg\'}}" />')
+      const res = template({
+        album: {
+          path: 'albums/holidays.html'
+        }
+      })
+      should(res).eql('<img src="../media/thumbs/img.jpg" />')
+    })
 
     it('does not do anything if the path is an absolute URL', () => {
       // This can happen when using --link-prefix
@@ -32,7 +55,9 @@ describe('Handlebars helpers: relative', () => {
       const res = template({})
       should(res).eql(`<img src="${url}" />`)
     })
+  })
 
+  describe('escaping', () => {
     // TODO: this should not be needed anymore because all URLs are already escaped
     it('escapes single quotes so they can be used in CSS background-image', () => {
       const template = handlebars.compile("background-image('{{relative url}}')")
@@ -57,3 +82,4 @@ describe('Handlebars helpers: relative', () => {
       should(res).eql('<img src="l%22histoire.jpg" />')
     })
   })
+})