fix(content): rethrow aggregate errors as ENOENT

Author: zkat

lib/content/read.js

@@ -95,6 +95,16 @@ function pickContentSri (cache, integrity) {
     return BB.any(sri[sri.pickAlgorithm()].map(meta => {
       return pickContentSri(cache, meta)
     }))
+    .catch(err => {
+      if ([].some.call(err, e => e.code === 'ENOENT')) {
+        throw Object.assign(
+          new Error('No matching content found for ' + sri.toString()),
+          {code: 'ENOENT'}
+        )
+      } else {
+        throw err[0]
+      }
+    })
   }
 }
 

test/content.read.js

@@ -141,12 +141,18 @@ test('hasContent: returns { sri, size } when a cache file exists', function (t)
   }))
   fixture.create(CACHE)
   return BB.join(
-    read.hasContent(CACHE, 'sha1-deadbeef').then(content => {
+    read.hasContent(CACHE, 'sha1-deadbeef')
+    .then(content => {
       t.ok(content.sri, 'returned sri for this content')
       t.equal(content.size, 0, 'returned the right size for this content')
     }),
-    read.hasContent(CACHE, 'sha1-not-there').then(content => {
+    read.hasContent(CACHE, 'sha1-not-there')
+    .then(content => {
       t.equal(content, false, 'returned false for missing content')
+    }),
+    read.hasContent(CACHE, 'sha1-not-here sha1-also-not-here')
+    .then(content => {
+      t.equal(content, false, 'multi-content hash failures work ok')
     })
   )
 })