asciiquarium 1.1 (new formula)

Closes #1344.

Signed-off-by: Martin Afanasjew <martin@afanasjew.de>

Formula/asciiquarium.rb

@@ -0,0 +1,55 @@
+class Asciiquarium < Formula
+  desc "Aquarium animation in ASCII art"
+  homepage "http://robobunny.com/projects/asciiquarium/html/"
+  url "http://www.robobunny.com/projects/asciiquarium/asciiquarium_1.1.tar.gz"
+  sha256 "1b08c6613525e75e87546f4e8984ab3b33f1e922080268c749f1777d56c9d361"
+
+  resource "Curses" do
+    url "https://cpan.metacpan.org/authors/id/G/GI/GIRAFFED/Curses-1.34.tar.gz"
+    mirror "http://search.cpan.org/CPAN/authors/id/G/GI/GIRAFFED/Curses-1.34.tar.gz"
+    sha256 "808e44d5946be265af5ff0b90f3d0802108e7d1b39b0fe68a4a446fe284d322b"
+  end
+
+  resource "Term::Animation" do
+    url "http://robobunny.com/projects/animation/Term-Animation-2.6.tar.gz"
+    mirror "http://search.cpan.org/CPAN/authors/id/K/KB/KBAUCOM/Term-Animation-2.6.tar.gz"
+    sha256 "7d5c3c2d4f9b657a8b1dce7f5e2cbbe02ada2e97c72f3a0304bf3c99d084b045"
+  end
+
+  def install
+    ENV.prepend_create_path "PERL5LIB", libexec/"lib/perl5"
+
+    resources.each do |r|
+      r.stage do
+        system "perl", "Makefile.PL", "INSTALL_BASE=#{libexec}"
+        system "make"
+        system "make", "install"
+      end
+    end
+
+    chmod 0755, "asciiquarium"
+    bin.install "asciiquarium"
+    bin.env_script_all_files(libexec/"bin", :PERL5LIB => ENV["PERL5LIB"])
+  end
+
+  test do
+    # This is difficult to test because:
+    # - There are no command line switches that make the process exit
+    # - The output is a constant stream of terminal control codes
+    # - Testing only if the binary exists can still result in failure
+
+    # The test process is as follows:
+    # - Spawn the process capturing stdout and the pid
+    # - Kill the process after there is some output
+    # - Ensure the start of the output matches what is expected
+
+    require "pty"
+    ENV["TERM"] = "xterm"
+    PTY.spawn(bin/"asciiquarium") do |stdin, _stdout, pid|
+      sleep 0.1
+      Process.kill "TERM", pid
+      output = stdin.read
+      assert_match "\e[?10", output[0..4]
+    end
+  end
+end