Convert Emoji test to spec.

1 files changed, 16 insertions, 0 deletions

diff --git a/Library/Homebrew/test/emoji_spec.rb b/Library/Homebrew/test/emoji_spec.rb
new file mode 100644
index 000000000..35d077ebe
--- /dev/null
+++ b/Library/Homebrew/test/emoji_spec.rb
@@ -0,0 +1,16 @@
+require "emoji"
+
+describe Emoji do
+  describe "#install_badge" do
+    subject { described_class.install_badge }
+
+    it "returns 🍺 by default" do
+      expect(subject).to eq "🍺"
+    end
+
+    it "returns the contents of HOMEBREW_INSTALL_BADGE if set" do
+      ENV["HOMEBREW_INSTALL_BADGE"] = "foo"
+      expect(subject).to eq "foo"
+    end
+  end
+end