From 62d41ab6bad9a4afbe94e52caf47fb2032c83e10 Mon Sep 17 00:00:00 2001
From: RyanZim <opensrc@ryanzim.com>
Date: Thu, 17 Nov 2016 15:28:48 -0500
Subject: [PATCH] BREAKING: File not found is an Error, not a Warning

---
 index.js       |  1 +
 test/import.js | 12 ++++--------
 2 files changed, 5 insertions(+), 8 deletions(-)

diff --git a/index.js b/index.js
index e8a7deb8..0a484905 100755
--- a/index.js
+++ b/index.js
@@ -261,6 +261,7 @@ function resolveImportId(
     }, [])
   })
   .catch(function(err) {
+    if (err.message.indexOf("Failed to find") !== -1) throw err
     result.warn(err.message, { node: atRule })
   })
 }
diff --git a/test/import.js b/test/import.js
index 857ae69a..1c07717b 100644
--- a/test/import.js
+++ b/test/import.js
@@ -47,18 +47,14 @@ test("should not fail with absolute and local import", t => {
     })
 })
 
-test("should output readable trace", t => {
+test("should error when file not found", t => {
+  t.plan(1)
   var file = "fixtures/imports/import-missing.css"
   return postcss()
     .use(atImport())
     .process(readFileSync(file), { from: file })
-    .then(result => {
-      t.is(
-        result.warnings()[0].text,
-        /* eslint-disable max-len */
-        "Failed to find 'missing-file.css'\n    in [ \n        " + path.resolve("fixtures/imports") + "\n    ]"
-        /* eslint-enabme max-len */
-      )
+    .catch(err => {
+      t.truthy(err)
     })
 })