1 files changed, 31 insertions, 0 deletions
diff --git a/Library/Homebrew/test/utils/bottles/collector_spec.rb b/Library/Homebrew/test/utils/bottles/collector_spec.rb
new file mode 100644
index 000000000..73757234e
--- /dev/null
+++ b/Library/Homebrew/test/utils/bottles/collector_spec.rb
@@ -0,0 +1,31 @@
+require "utils/bottles"
+
+describe Utils::Bottles::Collector do
+  describe "#fetch_checksum_for" do
+    it "returns passed tags" do
+      subject[:lion] = "foo"
+      subject[:mountain_lion] = "bar"
+      expect(subject.fetch_checksum_for(:mountain_lion)).to eq(["bar", :mountain_lion])
+    end
+
+    it "returns nil if empty" do
+      expect(subject.fetch_checksum_for(:foo)).to be nil
+    end
+
+    it "returns nil when there is no match" do
+      subject[:lion] = "foo"
+      expect(subject.fetch_checksum_for(:foo)).to be nil
+    end
+
+    it "returns nil when there is no match and later tag is present" do
+      subject[:lion_or_later] = "foo"
+      expect(subject.fetch_checksum_for(:foo)).to be nil
+    end
+
+    it "prefers exact matches" do
+      subject[:lion_or_later] = "foo"
+      subject[:mountain_lion] = "bar"
+      expect(subject.fetch_checksum_for(:mountain_lion)).to eq(["bar", :mountain_lion])
+    end
+  end
+end