Convert Descriptions test to spec.

1 files changed, 42 insertions, 0 deletions

diff --git a/Library/Homebrew/test/descriptions_spec.rb b/Library/Homebrew/test/descriptions_spec.rb
new file mode 100644
index 000000000..e873c73b4
--- /dev/null
+++ b/Library/Homebrew/test/descriptions_spec.rb
@@ -0,0 +1,42 @@
+require "descriptions"
+
+describe Descriptions do
+  subject { described_class.new(descriptions_hash) }
+  let(:descriptions_hash) { {} }
+
+  it "can print description for a core Formula" do
+    descriptions_hash["homebrew/core/foo"] = "Core foo"
+    expect { subject.print }.to output("foo: Core foo\n").to_stdout
+  end
+
+  it "can print description for an external Formula" do
+    descriptions_hash["somedev/external/foo"] = "External foo"
+    expect { subject.print }.to output("foo: External foo\n").to_stdout
+  end
+
+  it "can print descriptions for duplicate Formulae" do
+    descriptions_hash["homebrew/core/foo"] = "Core foo"
+    descriptions_hash["somedev/external/foo"] = "External foo"
+
+    expect { subject.print }.to output(
+      <<-EOS.undent
+        homebrew/core/foo: Core foo
+        somedev/external/foo: External foo
+      EOS
+    ).to_stdout
+  end
+
+  it "can print descriptions for duplicate core and external Formulae" do
+    descriptions_hash["homebrew/core/foo"] = "Core foo"
+    descriptions_hash["somedev/external/foo"] = "External foo"
+    descriptions_hash["otherdev/external/foo"] = "Other external foo"
+
+    expect { subject.print }.to output(
+      <<-EOS.undent
+        homebrew/core/foo: Core foo
+        otherdev/external/foo: Other external foo
+        somedev/external/foo: External foo
+      EOS
+    ).to_stdout
+  end
+end