zdelta: add test

Closes #37836.

Signed-off-by: Brett Koonce <koonce@gmail.com>

1 files changed, 14 insertions, 5 deletions

diff --git a/Library/Formula/zdelta.rb b/Library/Formula/zdelta.rb
index 0fa241b31..e409d6881 100644
--- a/Library/Formula/zdelta.rb
+++ b/Library/Formula/zdelta.rb
@@ -1,13 +1,22 @@
-require 'formula'
-
 class Zdelta < Formula
-  homepage 'http://cis.poly.edu/zdelta/'
-  url 'http://cis.poly.edu/zdelta/downloads/zdelta-2.1.tar.gz'
-  sha1 'd25af5d630c4f65f2c57ee84a3e9e0068eac432f'
+  homepage "http://cis.poly.edu/zdelta/"
+  url "http://cis.poly.edu/zdelta/downloads/zdelta-2.1.tar.gz"
+  sha256 "03e6beb2e1235f2091f0146d7f41dd535aefb6078a48912d7d11973d5306de4c"
+
+  head "https://github.com/snej/zdelta.git"
 
   def install
     system "make", "test", "CC=#{ENV.cc}", "CFLAGS=#{ENV.cflags}"
     system "make", "install", "prefix=#{prefix}"
     bin.install "zdc", "zdu"
   end
+
+  test do
+    msg = "Hello this is Homebrew"
+    (testpath/"ref").write "Hello I'm a ref file"
+
+    compressed = pipe_output("#{bin}/zdc ref", msg, 0)
+
+    assert_equal msg, pipe_output("#{bin}/zdu ref", compressed, 0)
+  end
 end