blacklist tests added

Closes Homebrew/homebrew#47280.

Signed-off-by: Baptiste Fontaine <batifon@yahoo.fr>

Library/Homebrew/test/test_blacklist.rb

@@ -0,0 +1,72 @@
+require "testing_env"
+require "blacklist"
+
+class BlacklistTests < Homebrew::TestCase
+  def assert_blacklisted(s)
+    assert blacklisted?(s), "'#{s}' should be blacklisted"
+  end
+
+  def test_rubygems
+    %w[gem rubygem rubygems].each { |s| assert_blacklisted s }
+  end
+
+  def test_latex
+    %w[latex tex tex-live texlive TexLive].each { |s| assert_blacklisted s }
+  end
+
+  def test_pip
+    assert_blacklisted "pip"
+  end
+
+  def test_pil
+    assert_blacklisted "pil"
+  end
+
+  def test_macruby
+    assert_blacklisted "MacRuby"
+  end
+
+  def test_lzma
+    %w[lzma liblzma].each { |s| assert_blacklisted s }
+  end
+
+  def test_xcode
+    %w[xcode Xcode].each { |s| assert_blacklisted s }
+  end
+
+  def test_gtest
+    %w[gtest googletest google-test].each { |s| assert_blacklisted s }
+  end
+
+  def test_gmock
+    %w[gmock googlemock google-mock].each { |s| assert_blacklisted s }
+  end
+
+  def test_sshpass
+    assert_blacklisted "sshpass"
+  end
+
+  def test_gsutil
+    assert_blacklisted "gsutil"
+  end
+
+  def test_clojure
+    assert_blacklisted "clojure"
+  end
+
+  def test_osmium
+    %w[osmium Osmium].each { |s| assert_blacklisted s }
+  end
+
+  def test_gfortran
+    assert_blacklisted "gfortran"
+  end
+
+  def test_play
+    assert_blacklisted "play"
+  end
+
+  def test_haskell_platform
+    assert_blacklisted "haskell-platform"
+  end
+end