gnu: beets: Update to 1.3.18.

* gnu/packages/patches/beets-image-test-failure.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/music.scm (beets): Update to 1.3.18.
[source]: Use patch.

1 files changed, 46 insertions, 0 deletions

diff --git a/gnu/packages/patches/beets-image-test-failure.patch b/gnu/packages/patches/beets-image-test-failure.patch
new file mode 100644
index 0000000000..360d7d3ed4
--- /dev/null
+++ b/gnu/packages/patches/beets-image-test-failure.patch
@@ -0,0 +1,46 @@
+Fix test failure due to missing image library backend.
+
+Cherry-picked from upstream:
+https://github.com/beetbox/beets/commit/07c95a1bf16bf86c640436208dda828cc7df0181
+
+From 07c95a1bf16bf86c640436208dda828cc7df0181 Mon Sep 17 00:00:00 2001
+From: Adrian Sampson <adrian@radbox.org>
+Date: Thu, 2 Jun 2016 11:39:05 -0700
+Subject: [PATCH] Require an imaging backend for fuzzy ratio tests
+
+These fail outright if we don't have a way to get image sizes (e.g.,
+ImageMagick).
+---
+ test/test_art.py | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/test/test_art.py b/test/test_art.py
+index 02d26f4..1b12b76 100644
+--- a/test/test_art.py
++++ b/test/test_art.py
+@@ -561,21 +561,25 @@ def test_respect_enforce_ratio_no(self):
+         self._assertImageIsValidArt(self.IMG_500x490, True)
+ 
+     def test_respect_enforce_ratio_px_above(self):
++        self._require_backend()
+         self.plugin.enforce_ratio = True
+         self.plugin.margin_px = 5
+         self._assertImageIsValidArt(self.IMG_500x490, False)
+ 
+     def test_respect_enforce_ratio_px_below(self):
++        self._require_backend()
+         self.plugin.enforce_ratio = True
+         self.plugin.margin_px = 15
+         self._assertImageIsValidArt(self.IMG_500x490, True)
+ 
+     def test_respect_enforce_ratio_percent_above(self):
++        self._require_backend()
+         self.plugin.enforce_ratio = True
+         self.plugin.margin_percent = (500 - 490) / 500 * 0.5
+         self._assertImageIsValidArt(self.IMG_500x490, False)
+ 
+     def test_respect_enforce_ratio_percent_below(self):
++        self._require_backend()
+         self.plugin.enforce_ratio = True
+         self.plugin.margin_percent = (500 - 490) / 500 * 1.5
+         self._assertImageIsValidArt(self.IMG_500x490, True)