Refactor `cask/cli` specs.

1 files changed, 9 insertions, 25 deletions

diff --git a/Library/Homebrew/test/cask/cli/cat_spec.rb b/Library/Homebrew/test/cask/cli/cat_spec.rb
index 5a4b29c6f..6b54a2e4b 100644
--- a/Library/Homebrew/test/cask/cli/cat_spec.rb
+++ b/Library/Homebrew/test/cask/cli/cat_spec.rb
@@ -1,4 +1,10 @@
+require_relative "shared_examples/requires_cask_token"
+require_relative "shared_examples/invalid_option"
+
 describe Hbc::CLI::Cat, :cask do
+  it_behaves_like "a command that requires a Cask token"
+  it_behaves_like "a command that handles invalid options"
+
   describe "given a basic Cask" do
     let(:basic_cask_content) {
       <<-EOS.undent
@@ -16,41 +22,19 @@ describe Hbc::CLI::Cat, :cask do
 
     it "displays the Cask file content about the specified Cask" do
       expect {
-        Hbc::CLI::Cat.run("basic-cask")
+        described_class.run("basic-cask")
       }.to output(basic_cask_content).to_stdout
     end
 
     it "can display multiple Casks" do
       expect {
-        Hbc::CLI::Cat.run("basic-cask", "basic-cask")
+        described_class.run("basic-cask", "basic-cask")
       }.to output(basic_cask_content * 2).to_stdout
     end
-
-    it "fails when option is unknown" do
-      expect {
-        Hbc::CLI::Cat.run("--notavalidoption", "basic-cask")
-      }.to raise_error(/invalid option/)
-    end
   end
 
   it "raises an exception when the Cask does not exist" do
-    expect { Hbc::CLI::Cat.run("notacask") }
+    expect { described_class.run("notacask") }
       .to raise_error(Hbc::CaskUnavailableError, /is unavailable/)
   end
-
-  describe "when no Cask is specified" do
-    it "raises an exception" do
-      expect {
-        Hbc::CLI::Cat.run
-      }.to raise_error(Hbc::CaskUnspecifiedError)
-    end
-  end
-
-  describe "when no Cask is specified, but an invalid option" do
-    it "raises an exception" do
-      expect {
-        Hbc::CLI::Cat.run("--notavalidoption")
-      }.to raise_error(/invalid option/)
-    end
-  end
 end