1 files changed, 98 insertions, 0 deletions
diff --git a/Library/Homebrew/test/cask/cli/create_spec.rb b/Library/Homebrew/test/cask/cli/create_spec.rb
new file mode 100644
index 000000000..21eaeb656
--- /dev/null
+++ b/Library/Homebrew/test/cask/cli/create_spec.rb
@@ -0,0 +1,98 @@
+# monkeypatch for testing
+module Hbc
+  class CLI
+    class Create
+      def self.exec_editor(*command)
+        editor_commands << command
+      end
+
+      def self.reset!
+        @editor_commands = []
+      end
+
+      def self.editor_commands
+        @editor_commands ||= []
+      end
+    end
+  end
+end
+
+describe Hbc::CLI::Create, :cask do
+  before(:each) do
+    Hbc::CLI::Create.reset!
+  end
+
+  after(:each) do
+    %w[new-cask additional-cask another-cask yet-another-cask local-caff].each do |cask|
+      path = Hbc.path(cask)
+      path.delete if path.exist?
+    end
+  end
+
+  it "opens the editor for the specified Cask" do
+    Hbc::CLI::Create.run("new-cask")
+    expect(Hbc::CLI::Create.editor_commands).to eq [
+      [Hbc.path("new-cask")],
+    ]
+  end
+
+  it "drops a template down for the specified Cask" do
+    Hbc::CLI::Create.run("new-cask")
+    template = File.read(Hbc.path("new-cask"))
+    expect(template).to eq <<-EOS.undent
+      cask 'new-cask' do
+        version ''
+        sha256 ''
+
+        url 'https://'
+        name ''
+        homepage ''
+
+        app ''
+      end
+    EOS
+  end
+
+  it "throws away additional Cask arguments and uses the first" do
+    Hbc::CLI::Create.run("additional-cask", "another-cask")
+    expect(Hbc::CLI::Create.editor_commands).to eq [
+      [Hbc.path("additional-cask")],
+    ]
+  end
+
+  it "throws away stray options" do
+    Hbc::CLI::Create.run("--notavalidoption", "yet-another-cask")
+    expect(Hbc::CLI::Create.editor_commands).to eq [
+      [Hbc.path("yet-another-cask")],
+    ]
+  end
+
+  it "raises an exception when the Cask already exists" do
+    expect {
+      Hbc::CLI::Create.run("basic-cask")
+    }.to raise_error(Hbc::CaskAlreadyCreatedError)
+  end
+
+  it "allows creating Casks that are substrings of existing Casks" do
+    Hbc::CLI::Create.run("local-caff")
+    expect(Hbc::CLI::Create.editor_commands).to eq [
+      [Hbc.path("local-caff")],
+    ]
+  end
+
+  describe "when no Cask is specified" do
+    it "raises an exception" do
+      expect {
+        Hbc::CLI::Create.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::Create.run("--notavalidoption")
+      }.to raise_error(Hbc::CaskUnspecifiedError)
+    end
+  end
+end