diff options
| author | Paride Legovini <pl@ninthfloor.org> | 2018-05-07 17:35:22 +0200 |
|---|---|---|
| committer | Paride Legovini <pl@ninthfloor.org> | 2018-05-07 17:35:22 +0200 |
| commit | 204e95f543967d9cb347c89d736a5c4ead0610e0 (patch) | |
| tree | 579d694bfce1576fefa069a4c02dabd7896f8a02 | |
| parent | c6cf8a4e7f8b41c35da4819bf6529f81283f9c58 (diff) | |
Add an autopkgtest: roundtrip
| -rw-r--r-- | debian/changelog | 1 | ||||
| -rw-r--r-- | debian/tests/control | 2 | ||||
| -rwxr-xr-x | debian/tests/roundtrip | 17 |
3 files changed, 20 insertions, 0 deletions
diff --git a/debian/changelog b/debian/changelog index c83c1e0..6107cda 100644 --- a/debian/changelog +++ b/debian/changelog @@ -3,6 +3,7 @@ farbfeld (4-2) UNRELEASED; urgency=medium * Change the package short description to match what upstream suggests * farbfeld 4 is entirely ISC licensed, d/copyright updated accordingly * Override PREFIX in d/rules instead of patching config.mk + * Add an autopkgtest: roundtrip -- Paride Legovini <pl@ninthfloor.org> Thu, 12 Apr 2018 07:29:02 +0000 diff --git a/debian/tests/control b/debian/tests/control new file mode 100644 index 0000000..8d804ab --- /dev/null +++ b/debian/tests/control @@ -0,0 +1,2 @@ +Tests: roundtrip +Depends: @, imagemagick diff --git a/debian/tests/roundtrip b/debian/tests/roundtrip new file mode 100755 index 0000000..d108d88 --- /dev/null +++ b/debian/tests/roundtrip @@ -0,0 +1,17 @@ +#!/bin/sh + +set -e + +# https://www.imagemagick.org/Usage/canvas/#random_noise +convert -size 1920x1200 xc: +noise random reference.png + +png2ff < reference.png | ff2png > test.png + +# When no fuzz value is specified, compare(1) returns 0 when two images are +# identical, and 1 when they differ. This is true with any metric (even with +# the default metric: the normalized cross correlation), but let's use the +# simplest one, Absolute Error, which counts the number of different pixels. +# +# https://www.imagemagick.org/Usage/compare/#compare + +compare -metric AE reference.png test.png null: 2>&1 |