Convert DSL test to spec.

2 files changed, 548 insertions, 479 deletions

diff --git a/Library/Homebrew/cask/spec/cask/dsl_spec.rb b/Library/Homebrew/cask/spec/cask/dsl_spec.rb
new file mode 100644
index 000000000..99525cc20
--- /dev/null
+++ b/Library/Homebrew/cask/spec/cask/dsl_spec.rb
@@ -0,0 +1,548 @@
+require "spec_helper"
+
+describe Hbc::DSL do
+  let(:cask) { Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/#{token}.rb") }
+  let(:token) { "basic-cask" }
+
+  context "stanzas" do
+    it "lets you set url, homepage, and version" do
+      expect(cask.url.to_s).to eq("http://example.com/TestCask.dmg")
+      expect(cask.homepage).to eq("http://example.com/")
+      expect(cask.version.to_s).to eq("1.2.3")
+    end
+  end
+
+  describe "when a Cask includes an unknown method" do
+    let(:attempt_unknown_method) {
+      lambda do
+        Hbc::Cask.new("unexpected-method-cask") do
+          future_feature :not_yet_on_your_machine
+        end
+      end
+    }
+
+    it "prints a warning that it has encountered an unexpected method" do
+      expected = Regexp.compile(<<-EOS.undent.lines.map(&:chomp).join(""))
+        (?m)
+        Warning:
+        .*
+        Unexpected method 'future_feature' called on Cask unexpected-method-cask\\.
+        .*
+        https://github.com/caskroom/homebrew-cask/blob/master/doc/reporting_bugs/pre_bug_report.md
+        .*
+        https://github.com/caskroom/homebrew-cask#reporting-bugs
+      EOS
+
+      expect {
+        expect(attempt_unknown_method).not_to output.to_stdout
+      }.to output(expected).to_stderr
+    end
+
+    it "will simply warn, not throw an exception" do
+      expect {
+        shutup do
+          attempt_unknown_method.call
+        end
+      }.not_to raise_error
+    end
+  end
+
+  describe "header line" do
+    context "when invalid" do
+      let(:token) { "invalid/invalid-header-format" }
+      it "raises an error" do
+        expect { cask }.to raise_error(SyntaxError)
+      end
+    end
+
+    context "when token does not match the file name" do
+      let(:token) { "invalid/invalid-header-token-mismatch" }
+
+      it "raises an error" do
+        expect {
+          cask
+        }.to raise_error(Hbc::CaskTokenDoesNotMatchError, /Bad header line:.*does not match file name/)
+      end
+    end
+
+    context "when it contains no DSL version" do
+      let(:token) { "no-dsl-version" }
+
+      it "does not require a DSL version in the header" do
+        expect(cask.token).to eq("no-dsl-version")
+        expect(cask.url.to_s).to eq("http://example.com/TestCask.dmg")
+        expect(cask.homepage).to eq("http://example.com/")
+        expect(cask.version.to_s).to eq("1.2.3")
+      end
+    end
+
+    context "when it contains a deprecated DSL version" do
+      let(:token) { "with-dsl-version" }
+
+      it "may use deprecated DSL version hash syntax" do
+        allow(ENV).to receive(:[]).with("HOMEBREW_DEVELOPER").and_return(nil)
+
+        shutup do
+          expect(cask.token).to eq("with-dsl-version")
+          expect(cask.url.to_s).to eq("http://example.com/TestCask.dmg")
+          expect(cask.homepage).to eq("http://example.com/")
+          expect(cask.version.to_s).to eq("1.2.3")
+        end
+      end
+    end
+  end
+
+  describe "name stanza" do
+    it "lets you set the full name via a name stanza" do
+      cask = Hbc::Cask.new("name-cask") do
+        name "Proper Name"
+      end
+
+      expect(cask.name).to eq([
+                                "Proper Name",
+                              ])
+    end
+
+    it "Accepts an array value to the name stanza" do
+      cask = Hbc::Cask.new("array-name-cask") do
+        name ["Proper Name", "Alternate Name"]
+      end
+
+      expect(cask.name).to eq([
+                                "Proper Name",
+                                "Alternate Name",
+                              ])
+    end
+
+    it "Accepts multiple name stanzas" do
+      cask = Hbc::Cask.new("multi-name-cask") do
+        name "Proper Name"
+        name "Alternate Name"
+      end
+
+      expect(cask.name).to eq([
+                                "Proper Name",
+                                "Alternate Name",
+                              ])
+    end
+  end
+
+  describe "sha256 stanza" do
+    it "lets you set checksum via sha256" do
+      cask = Hbc::Cask.new("checksum-cask") do
+        sha256 "imasha2"
+      end
+
+      expect(cask.sha256).to eq("imasha2")
+    end
+  end
+
+  describe "language stanza" do
+    it "allows multilingual casks" do
+      cask = lambda do
+        Hbc::Cask.new("cask-with-apps") do
+          language "zh" do
+            sha256 "abc123"
+            "zh-CN"
+          end
+
+          language "en-US", default: true do
+            sha256 "xyz789"
+            "en-US"
+          end
+
+          url "https://example.org/#{language}.zip"
+        end
+      end
+
+      allow(MacOS).to receive(:languages).and_return(["zh"])
+      expect(cask.call.language).to eq("zh-CN")
+      expect(cask.call.sha256).to eq("abc123")
+      expect(cask.call.url.to_s).to eq("https://example.org/zh-CN.zip")
+
+      allow(MacOS).to receive(:languages).and_return(["zh-XX"])
+      expect(cask.call.language).to eq("zh-CN")
+      expect(cask.call.sha256).to eq("abc123")
+      expect(cask.call.url.to_s).to eq("https://example.org/zh-CN.zip")
+
+      allow(MacOS).to receive(:languages).and_return(["en"])
+      expect(cask.call.language).to eq("en-US")
+      expect(cask.call.sha256).to eq("xyz789")
+      expect(cask.call.url.to_s).to eq("https://example.org/en-US.zip")
+
+      allow(MacOS).to receive(:languages).and_return(["xx-XX"])
+      expect(cask.call.language).to eq("en-US")
+      expect(cask.call.sha256).to eq("xyz789")
+      expect(cask.call.url.to_s).to eq("https://example.org/en-US.zip")
+
+      allow(MacOS).to receive(:languages).and_return(["xx-XX", "zh", "en"])
+      expect(cask.call.language).to eq("zh-CN")
+      expect(cask.call.sha256).to eq("abc123")
+      expect(cask.call.url.to_s).to eq("https://example.org/zh-CN.zip")
+
+      allow(MacOS).to receive(:languages).and_return(["xx-XX", "en-US", "zh"])
+      expect(cask.call.language).to eq("en-US")
+      expect(cask.call.sha256).to eq("xyz789")
+      expect(cask.call.url.to_s).to eq("https://example.org/en-US.zip")
+    end
+  end
+
+  describe "app stanza" do
+    it "allows you to specify app stanzas" do
+      cask = Hbc::Cask.new("cask-with-apps") do
+        app "Foo.app"
+        app "Bar.app"
+      end
+
+      expect(Array(cask.artifacts[:app])).to eq([["Foo.app"], ["Bar.app"]])
+    end
+
+    it "allow app stanzas to be empty" do
+      cask = Hbc::Cask.new("cask-with-no-apps")
+      expect(Array(cask.artifacts[:app])).to eq([])
+    end
+  end
+
+  describe "caveats stanza" do
+    it "allows caveats to be specified via a method define" do
+      cask = Hbc::Cask.new("plain-cask")
+
+      expect(cask.caveats).to be_empty
+
+      cask = Hbc::Cask.new("cask-with-caveats") do
+        def caveats; <<-EOS.undent
+          When you install this Cask, you probably want to know this.
+          EOS
+        end
+      end
+
+      expect(cask.caveats).to eq("When you install this Cask, you probably want to know this.\n")
+    end
+  end
+
+  describe "pkg stanza" do
+    it "allows installable pkgs to be specified" do
+      cask = Hbc::Cask.new("cask-with-pkgs") do
+        pkg "Foo.pkg"
+        pkg "Bar.pkg"
+      end
+
+      expect(Array(cask.artifacts[:pkg])).to eq([["Foo.pkg"], ["Bar.pkg"]])
+    end
+  end
+
+  describe "url stanza" do
+    let(:token) { "invalid/invalid-two-url" }
+
+    it "prevents defining multiple urls" do
+      expect { cask }.to raise_error(Hbc::CaskInvalidError, /'url' stanza may only appear once/)
+    end
+  end
+
+  describe "homepage stanza" do
+    let(:token) { "invalid/invalid-two-homepage" }
+
+    it "prevents defining multiple homepages" do
+      expect { cask }.to raise_error(Hbc::CaskInvalidError, /'homepage' stanza may only appear once/)
+    end
+  end
+
+  describe "version stanza" do
+    let(:token) { "invalid/invalid-two-version" }
+    it "prevents defining multiple versions" do
+      expect { cask }.to raise_error(Hbc::CaskInvalidError, /'version' stanza may only appear once/)
+    end
+  end
+
+  describe "appcast stanza" do
+    let(:token) { "with-appcast" }
+
+    it "allows appcasts to be specified" do
+      expect(cask.appcast.to_s).to match(/^http/)
+    end
+
+    context "when multiple appcasts are defined" do
+      let(:token) { "invalid/invalid-appcast-multiple" }
+
+      it "raises an error" do
+        expect { cask }.to raise_error(Hbc::CaskInvalidError, /'appcast' stanza may only appear once/)
+      end
+    end
+
+    context "when appcast URL is invalid" do
+      let(:token) { "invalid/invalid-appcast-url" }
+
+      it "refuses to load" do
+        expect { cask }.to raise_error(Hbc::CaskInvalidError)
+      end
+    end
+  end
+
+  describe "GPG stanza" do
+    context "valid" do
+      let(:token) { "with-gpg" }
+
+      it "is allowed to be specified" do
+        expect(cask.gpg.to_s).to match(/\S/)
+      end
+    end
+
+    context "with :key_url" do
+      let(:token) { "with-gpg-key-url" }
+      it "is allowed to be specified" do
+        expect(cask.gpg.to_s).to match(/\S/)
+      end
+    end
+
+    context "specifying mmultiple times" do
+      let(:token) { "invalid/invalid-gpg-multiple-stanzas" }
+
+      it "is not allowed" do
+        expect { cask }.to raise_error(Hbc::CaskInvalidError, /'gpg' stanza may only appear once/)
+      end
+    end
+
+    context "missing GPG key parameters" do
+      let(:token) { "invalid/invalid-gpg-missing-key" }
+
+      it "refuses to load" do
+        expect { cask }.to raise_error(Hbc::CaskInvalidError, /'gpg' stanza must include exactly one/)
+      end
+    end
+
+    context "conflicting GPG key parameters" do
+      let(:token) { "invalid/invalid-gpg-conflicting-keys" }
+
+      it "refuses to load" do
+        expect { cask }.to raise_error(Hbc::CaskInvalidError, /'gpg' stanza must include exactly one/)
+      end
+    end
+
+    context "invalid GPG signature URLs" do
+      let(:token) { "invalid/invalid-gpg-signature-url" }
+
+      it "refuses to load" do
+        expect { cask }.to raise_error(Hbc::CaskInvalidError)
+      end
+    end
+
+    context "invalid GPG key URLs" do
+      let(:token) { "invalid/invalid-gpg-key-url" }
+
+      it "refuses to load" do
+        expect { cask }.to raise_error(Hbc::CaskInvalidError)
+      end
+    end
+
+    context "invalid GPG key IDs" do
+      let(:token) { "invalid/invalid-gpg-key-id" }
+
+      it "refuses to load" do
+        expect { cask }.to raise_error(Hbc::CaskInvalidError)
+      end
+    end
+
+    context "GPG parameter is unknown" do
+      let(:token) { "invalid/invalid-gpg-parameter" }
+
+      it "refuses to load" do
+        expect { cask }.to raise_error(Hbc::CaskInvalidError)
+      end
+    end
+  end
+
+  describe "depends_on stanza" do
+    let(:token) { "invalid/invalid-depends-on-key" }
+
+    it "refuses to load with an invalid depends_on key" do
+      expect { cask }.to raise_error(Hbc::CaskInvalidError)
+    end
+  end
+
+  describe "depends_on formula" do
+    context "with one Formula" do
+      let(:token) { "with-depends-on-formula" }
+
+      it "allows depends_on formula to be specified" do
+        expect(cask.depends_on.formula).not_to be nil
+      end
+    end
+
+    context "with multiple Formulae" do
+      let(:token) { "with-depends-on-formula-multiple" }
+
+      it "allows multiple depends_on formula to be specified" do
+        expect(cask.depends_on.formula).not_to be nil
+      end
+    end
+  end
+
+  describe "depends_on cask" do
+    context "specifying one" do
+      let(:token) { "with-depends-on-cask" }
+      it "is allowed" do
+        expect(cask.depends_on.cask).not_to be nil
+      end
+    end
+
+    context "specifying multiple" do
+      let(:token) { "with-depends-on-cask-multiple" }
+
+      it "is allowed" do
+        expect(cask.depends_on.cask).not_to be nil
+      end
+    end
+  end
+
+  describe "depends_on macos" do
+    context "valid" do
+      let(:token) { "with-depends-on-macos-string" }
+
+      it "allows depends_on macos to be specified" do
+        expect(cask.depends_on.macos).not_to be nil
+      end
+    end
+
+    context "invalid depends_on macos value" do
+      let(:token) { "invalid/invalid-depends-on-macos-bad-release" }
+
+      it "refuses to load" do
+        expect { cask }.to raise_error(Hbc::CaskInvalidError)
+      end
+    end
+
+    context "conflicting depends_on macos forms" do
+      let(:token) { "invalid/invalid-depends-on-macos-conflicting-forms" }
+
+      it "refuses to load" do
+        expect { cask }.to raise_error(Hbc::CaskInvalidError)
+      end
+    end
+  end
+
+  describe "depends_on arch" do
+    context "valid" do
+      let(:token) { "with-depends-on-arch" }
+
+      it "is allowed to be specified" do
+        expect(cask.depends_on.arch).not_to be nil
+      end
+    end
+
+    context "invalid depends_on arch value" do
+      let(:token) { "invalid/invalid-depends-on-arch-value" }
+
+      it "refuses to load" do
+        expect { cask }.to raise_error(Hbc::CaskInvalidError)
+      end
+    end
+  end
+
+  describe "depends_on x11" do
+    context "valid" do
+      let(:token) { "with-depends-on-x11" }
+
+      it "is allowed to be specified" do
+        expect(cask.depends_on.x11).not_to be nil
+      end
+    end
+
+    context "invalid depends_on x11 value" do
+      let(:token) { "invalid/invalid-depends-on-x11-value" }
+
+      it "refuses to load" do
+        expect { cask }.to raise_error(Hbc::CaskInvalidError)
+      end
+    end
+  end
+
+  describe "conflicts_with stanza" do
+    context "valid" do
+      let(:token) { "with-conflicts-with" }
+
+      it "allows conflicts_with stanza to be specified" do
+        expect(cask.conflicts_with.formula).not_to be nil
+      end
+    end
+
+    context "invalid conflicts_with key" do
+      let(:token) { "invalid/invalid-conflicts-with-key" }
+
+      it "refuses to load invalid conflicts_with key" do
+        expect { cask }.to raise_error(Hbc::CaskInvalidError)
+      end
+    end
+  end
+
+  describe "installer stanza" do
+    context "script" do
+      let(:token) { "with-installer-script" }
+
+      it "allows installer script to be specified" do
+        expect(cask.artifacts[:installer].first.script[:executable]).to eq("/usr/bin/true")
+        expect(cask.artifacts[:installer].first.script[:args]).to eq(["--flag"])
+        expect(cask.artifacts[:installer].to_a[1].script[:executable]).to eq("/usr/bin/false")
+        expect(cask.artifacts[:installer].to_a[1].script[:args]).to eq(["--flag"])
+      end
+    end
+
+    context "manual" do
+      let(:token) { "with-installer-manual" }
+
+      it "allows installer manual to be specified" do
+        expect(cask.artifacts[:installer].first.manual).to eq("Caffeine.app")
+      end
+    end
+  end
+
+  describe "stage_only stanza" do
+    context "when there is no other activatable artifact" do
+      let(:token) { "stage-only" }
+
+      it "allows stage_only stanza to be specified" do
+        expect(cask.artifacts[:stage_only].first).to eq([true])
+      end
+    end
+
+    context "when there is are activatable artifacts" do
+      let(:token) { "invalid/invalid-stage-only-conflict" }
+
+      it "prevents specifying stage_only" do
+        expect { cask }.to raise_error(Hbc::CaskInvalidError, /'stage_only' must be the only activatable artifact/)
+      end
+    end
+  end
+
+  describe "auto_updates stanza" do
+    let(:token) { "auto-updates" }
+
+    it "allows auto_updates stanza to be specified" do
+      expect(cask.auto_updates).to be true
+    end
+  end
+
+  describe "appdir" do
+    context "interpolation of the appdir in stanzas" do
+      let(:token) { "appdir-interpolation" }
+
+      it "is allowed" do
+        expect(cask.artifacts[:binary].first).to eq(["#{Hbc.appdir}/some/path"])
+      end
+    end
+
+    it "does not include a trailing slash" do
+      begin
+        original_appdir = Hbc.appdir
+        Hbc.appdir = "#{original_appdir}/"
+
+        cask = Hbc::Cask.new("appdir-trailing-slash") do
+          binary "#{appdir}/some/path"
+        end
+
+        expect(cask.artifacts[:binary].first).to eq(["#{original_appdir}/some/path"])
+      ensure
+        Hbc.appdir = original_appdir
+      end
+    end
+  end
+end
diff --git a/Library/Homebrew/cask/test/cask/dsl_test.rb b/Library/Homebrew/cask/test/cask/dsl_test.rb
deleted file mode 100644
index cdd06a836..000000000
--- a/Library/Homebrew/cask/test/cask/dsl_test.rb
+++ /dev/null
@@ -1,479 +0,0 @@
-require "test_helper"
-
-describe Hbc::DSL do
-  it "lets you set url, homepage, and version" do
-    test_cask = Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/basic-cask.rb")
-    test_cask.url.to_s.must_equal "http://example.com/TestCask.dmg"
-    test_cask.homepage.must_equal "http://example.com/"
-    test_cask.version.to_s.must_equal "1.2.3"
-  end
-
-  describe "when a Cask includes an unknown method" do
-    attempt_unknown_method = nil
-
-    before do
-      attempt_unknown_method = lambda do
-        Hbc::Cask.new("unexpected-method-cask") do
-          future_feature :not_yet_on_your_machine
-        end
-      end
-    end
-
-    it "prints a warning that it has encountered an unexpected method" do
-      expected = Regexp.compile(<<-EOS.undent.lines.map(&:chomp).join(""))
-        (?m)
-        Warning:
-        .*
-        Unexpected method 'future_feature' called on Cask unexpected-method-cask\\.
-        .*
-        https://github.com/caskroom/homebrew-cask/blob/master/doc/reporting_bugs/pre_bug_report.md
-        .*
-        https://github.com/caskroom/homebrew-cask#reporting-bugs
-      EOS
-
-      attempt_unknown_method.must_output nil, expected
-    end
-
-    it "will simply warn, not throw an exception" do
-      begin
-        shutup do
-          attempt_unknown_method.call
-        end
-      rescue StandardError => e
-        flunk("Wanted unexpected method to simply warn, but got exception #{e}")
-      end
-    end
-  end
-
-  describe "header line" do
-    it "requires a valid header format" do
-      lambda {
-        Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/invalid/invalid-header-format.rb")
-      }.must_raise(SyntaxError)
-    end
-
-    it "requires the header token to match the file name" do
-      err = lambda {
-        Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/invalid/invalid-header-token-mismatch.rb")
-      }.must_raise(Hbc::CaskTokenDoesNotMatchError)
-      err.message.must_include "Bad header line:"
-      err.message.must_include "does not match file name"
-    end
-
-    it "does not require a DSL version in the header" do
-      test_cask = Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/no-dsl-version.rb")
-      test_cask.token.must_equal "no-dsl-version"
-      test_cask.url.to_s.must_equal "http://example.com/TestCask.dmg"
-      test_cask.homepage.must_equal "http://example.com/"
-      test_cask.version.to_s.must_equal "1.2.3"
-    end
-
-    it "may use deprecated DSL version hash syntax" do
-      stub = proc do |arg|
-        arg == "HOMEBREW_DEVELOPER" ? nil : ENV[arg]
-      end
-
-      ENV.stub :[], stub do
-        shutup do
-          test_cask = Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/with-dsl-version.rb")
-          test_cask.token.must_equal "with-dsl-version"
-          test_cask.url.to_s.must_equal "http://example.com/TestCask.dmg"
-          test_cask.homepage.must_equal "http://example.com/"
-          test_cask.version.to_s.must_equal "1.2.3"
-        end
-      end
-    end
-  end
-
-  describe "name stanza" do
-    it "lets you set the full name via a name stanza" do
-      cask = Hbc::Cask.new("name-cask") do
-        name "Proper Name"
-      end
-
-      cask.name.must_equal [
-        "Proper Name",
-      ]
-    end
-
-    it "Accepts an array value to the name stanza" do
-      cask = Hbc::Cask.new("array-name-cask") do
-        name ["Proper Name", "Alternate Name"]
-      end
-
-      cask.name.must_equal [
-        "Proper Name",
-        "Alternate Name",
-      ]
-    end
-
-    it "Accepts multiple name stanzas" do
-      cask = Hbc::Cask.new("multi-name-cask") do
-        name "Proper Name"
-        name "Alternate Name"
-      end
-
-      cask.name.must_equal [
-        "Proper Name",
-        "Alternate Name",
-      ]
-    end
-  end
-
-  describe "sha256 stanza" do
-    it "lets you set checksum via sha256" do
-      cask = Hbc::Cask.new("checksum-cask") do
-        sha256 "imasha2"
-      end
-
-      cask.sha256.must_equal "imasha2"
-    end
-  end
-
-  describe "language stanza" do
-    it "allows multilingual casks" do
-      cask = lambda do
-        Hbc::Cask.new("cask-with-apps") do
-          language "zh" do
-            sha256 "abc123"
-            "zh-CN"
-          end
-
-          language "en-US", default: true do
-            sha256 "xyz789"
-            "en-US"
-          end
-
-          url "https://example.org/#{language}.zip"
-        end
-      end
-
-      MacOS.stub :languages, ["zh"] do
-        cask.call.language.must_equal "zh-CN"
-        cask.call.sha256.must_equal "abc123"
-        cask.call.url.to_s.must_equal "https://example.org/zh-CN.zip"
-      end
-
-      MacOS.stub :languages, ["zh-XX"] do
-        cask.call.language.must_equal "zh-CN"
-        cask.call.sha256.must_equal "abc123"
-        cask.call.url.to_s.must_equal "https://example.org/zh-CN.zip"
-      end
-
-      MacOS.stub :languages, ["en"] do
-        cask.call.language.must_equal "en-US"
-        cask.call.sha256.must_equal "xyz789"
-        cask.call.url.to_s.must_equal "https://example.org/en-US.zip"
-      end
-
-      MacOS.stub :languages, ["xx-XX"] do
-        cask.call.language.must_equal "en-US"
-        cask.call.sha256.must_equal "xyz789"
-        cask.call.url.to_s.must_equal "https://example.org/en-US.zip"
-      end
-
-      MacOS.stub :languages, ["xx-XX", "zh", "en"] do
-        cask.call.language.must_equal "zh-CN"
-        cask.call.sha256.must_equal "abc123"
-        cask.call.url.to_s.must_equal "https://example.org/zh-CN.zip"
-      end
-
-      MacOS.stub :languages, ["xx-XX", "en-US", "zh"] do
-        cask.call.language.must_equal "en-US"
-        cask.call.sha256.must_equal "xyz789"
-        cask.call.url.to_s.must_equal "https://example.org/en-US.zip"
-      end
-    end
-  end
-
-  describe "app stanza" do
-    it "allows you to specify app stanzas" do
-      cask = Hbc::Cask.new("cask-with-apps") do
-        app "Foo.app"
-        app "Bar.app"
-      end
-
-      Array(cask.artifacts[:app]).must_equal [["Foo.app"], ["Bar.app"]]
-    end
-
-    it "allow app stanzas to be empty" do
-      cask = Hbc::Cask.new("cask-with-no-apps")
-      Array(cask.artifacts[:app]).must_equal %w[]
-    end
-  end
-
-  describe "caveats stanza" do
-    it "allows caveats to be specified via a method define" do
-      cask = Hbc::Cask.new("plain-cask")
-
-      cask.caveats.must_be :empty?
-
-      cask = Hbc::Cask.new("cask-with-caveats") do
-        def caveats; <<-EOS.undent
-          When you install this Cask, you probably want to know this.
-          EOS
-        end
-      end
-
-      cask.caveats.must_equal "When you install this Cask, you probably want to know this.\n"
-    end
-  end
-
-  describe "pkg stanza" do
-    it "allows installable pkgs to be specified" do
-      cask = Hbc::Cask.new("cask-with-pkgs") do
-        pkg "Foo.pkg"
-        pkg "Bar.pkg"
-      end
-
-      Array(cask.artifacts[:pkg]).must_equal [["Foo.pkg"], ["Bar.pkg"]]
-    end
-  end
-
-  describe "url stanza" do
-    it "prevents defining multiple urls" do
-      err = lambda {
-        Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/invalid/invalid-two-url.rb")
-      }.must_raise(Hbc::CaskInvalidError)
-      err.message.must_include "'url' stanza may only appear once"
-    end
-  end
-
-  describe "homepage stanza" do
-    it "prevents defining multiple homepages" do
-      err = lambda {
-        Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/invalid/invalid-two-homepage.rb")
-      }.must_raise(Hbc::CaskInvalidError)
-      err.message.must_include "'homepage' stanza may only appear once"
-    end
-  end
-
-  describe "version stanza" do
-    it "prevents defining multiple versions" do
-      err = lambda {
-        Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/invalid/invalid-two-version.rb")
-      }.must_raise(Hbc::CaskInvalidError)
-      err.message.must_include "'version' stanza may only appear once"
-    end
-  end
-
-  describe "appcast stanza" do
-    it "allows appcasts to be specified" do
-      cask = Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/with-appcast.rb")
-      cask.appcast.to_s.must_match(/^http/)
-    end
-
-    it "prevents defining multiple appcasts" do
-      err = lambda {
-        Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/invalid/invalid-appcast-multiple.rb")
-      }.must_raise(Hbc::CaskInvalidError)
-      err.message.must_include "'appcast' stanza may only appear once"
-    end
-
-    it "refuses to load invalid appcast URLs" do
-      lambda {
-        Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/invalid/invalid-appcast-url.rb")
-      }.must_raise(Hbc::CaskInvalidError)
-    end
-  end
-
-  describe "gpg stanza" do
-    it "allows gpg stanza to be specified" do
-      cask = Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/with-gpg.rb")
-      cask.gpg.to_s.must_match(/\S/)
-    end
-
-    it "allows gpg stanza to be specified with :key_url" do
-      cask = Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/with-gpg-key-url.rb")
-      cask.gpg.to_s.must_match(/\S/)
-    end
-
-    it "prevents specifying gpg stanza multiple times" do
-      err = lambda {
-        Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/invalid/invalid-gpg-multiple-stanzas.rb")
-      }.must_raise(Hbc::CaskInvalidError)
-      err.message.must_include "'gpg' stanza may only appear once"
-    end
-
-    it "prevents missing gpg key parameters" do
-      err = lambda {
-        Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/invalid/invalid-gpg-missing-key.rb")
-      }.must_raise(Hbc::CaskInvalidError)
-      err.message.must_include "'gpg' stanza must include exactly one"
-    end
-
-    it "prevents conflicting gpg key parameters" do
-      err = lambda {
-        Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/invalid/invalid-gpg-conflicting-keys.rb")
-      }.must_raise(Hbc::CaskInvalidError)
-      err.message.must_include "'gpg' stanza must include exactly one"
-    end
-
-    it "refuses to load invalid gpg signature URLs" do
-      lambda {
-        Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/invalid/invalid-gpg-signature-url.rb")
-      }.must_raise(Hbc::CaskInvalidError)
-    end
-
-    it "refuses to load invalid gpg key URLs" do
-      lambda {
-        Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/invalid/invalid-gpg-key-url.rb")
-      }.must_raise(Hbc::CaskInvalidError)
-    end
-
-    it "refuses to load invalid gpg key IDs" do
-      lambda {
-        Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/invalid/invalid-gpg-key-id.rb")
-      }.must_raise(Hbc::CaskInvalidError)
-    end
-
-    it "refuses to load if gpg parameter is unknown" do
-      lambda {
-        Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/invalid/invalid-gpg-parameter.rb")
-      }.must_raise(Hbc::CaskInvalidError)
-    end
-  end
-
-  describe "depends_on stanza" do
-    it "refuses to load with an invalid depends_on key" do
-      lambda {
-        Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/invalid/invalid-depends-on-key.rb")
-      }.must_raise(Hbc::CaskInvalidError)
-    end
-  end
-
-  describe "depends_on formula" do
-    it "allows depends_on formula to be specified" do
-      cask = Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/with-depends-on-formula.rb")
-      cask.depends_on.formula.wont_be_nil
-    end
-
-    it "allows multiple depends_on formula to be specified" do
-      cask = Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/with-depends-on-formula-multiple.rb")
-      cask.depends_on.formula.wont_be_nil
-    end
-  end
-
-  describe "depends_on cask" do
-    it "allows depends_on cask to be specified" do
-      cask = Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/with-depends-on-cask.rb")
-      cask.depends_on.cask.wont_be_nil
-    end
-
-    it "allows multiple depends_on cask to be specified" do
-      cask = Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/with-depends-on-cask-multiple.rb")
-      cask.depends_on.cask.wont_be_nil
-    end
-  end
-
-  describe "depends_on macos" do
-    it "allows depends_on macos to be specified" do
-      cask = Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/with-depends-on-macos-string.rb")
-      cask.depends_on.macos.wont_be_nil
-    end
-    it "refuses to load with an invalid depends_on macos value" do
-      lambda {
-        Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/invalid/invalid-depends-on-macos-bad-release.rb")
-      }.must_raise(Hbc::CaskInvalidError)
-    end
-    it "refuses to load with conflicting depends_on macos forms" do
-      lambda {
-        Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/invalid/invalid-depends-on-macos-conflicting-forms.rb")
-      }.must_raise(Hbc::CaskInvalidError)
-    end
-  end
-
-  describe "depends_on arch" do
-    it "allows depends_on arch to be specified" do
-      cask = Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/with-depends-on-arch.rb")
-      cask.depends_on.arch.wont_be_nil
-    end
-    it "refuses to load with an invalid depends_on arch value" do
-      lambda {
-        Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/invalid/invalid-depends-on-arch-value.rb")
-      }.must_raise(Hbc::CaskInvalidError)
-    end
-  end
-
-  describe "depends_on x11" do
-    it "allows depends_on x11 to be specified" do
-      cask = Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/with-depends-on-x11.rb")
-      cask.depends_on.x11.wont_be_nil
-    end
-    it "refuses to load with an invalid depends_on x11 value" do
-      lambda {
-        Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/invalid/invalid-depends-on-x11-value.rb")
-      }.must_raise(Hbc::CaskInvalidError)
-    end
-  end
-
-  describe "conflicts_with stanza" do
-    it "allows conflicts_with stanza to be specified" do
-      cask = Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/with-conflicts-with.rb")
-      cask.conflicts_with.formula.wont_be_nil
-    end
-
-    it "refuses to load invalid conflicts_with key" do
-      lambda {
-        Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/invalid/invalid-conflicts-with-key.rb")
-      }.must_raise(Hbc::CaskInvalidError)
-    end
-  end
-
-  describe "installer stanza" do
-    it "allows installer script to be specified" do
-      cask = Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/with-installer-script.rb")
-      cask.artifacts[:installer].first.script[:executable].must_equal "/usr/bin/true"
-      cask.artifacts[:installer].first.script[:args].must_equal ["--flag"]
-      cask.artifacts[:installer].to_a[1].script[:executable].must_equal "/usr/bin/false"
-      cask.artifacts[:installer].to_a[1].script[:args].must_equal ["--flag"]
-    end
-    it "allows installer manual to be specified" do
-      cask = Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/with-installer-manual.rb")
-      cask.artifacts[:installer].first.manual.must_equal "Caffeine.app"
-    end
-  end
-
-  describe "stage_only stanza" do
-    it "allows stage_only stanza to be specified" do
-      cask = Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/stage-only.rb")
-      cask.artifacts[:stage_only].first.must_equal [true]
-    end
-
-    it "prevents specifying stage_only with other activatables" do
-      err = lambda {
-        Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/invalid/invalid-stage-only-conflict.rb")
-      }.must_raise(Hbc::CaskInvalidError)
-      err.message.must_include "'stage_only' must be the only activatable artifact"
-    end
-  end
-
-  describe "auto_updates stanza" do
-    it "allows auto_updates stanza to be specified" do
-      cask = Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/auto-updates.rb")
-      cask.auto_updates.must_equal true
-    end
-  end
-
-  describe "appdir" do
-    it "allows interpolation of the appdir value in stanzas" do
-      cask = Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/appdir-interpolation.rb")
-      cask.artifacts[:binary].first.must_equal ["#{Hbc.appdir}/some/path"]
-    end
-
-    it "does not include a trailing slash" do
-      original_appdir = Hbc.appdir
-      Hbc.appdir = "#{original_appdir}/"
-
-      begin
-        cask = Hbc::Cask.new("appdir-trailing-slash") do
-          binary "#{appdir}/some/path"
-        end
-
-        cask.artifacts[:binary].first.must_equal ["#{original_appdir}/some/path"]
-      ensure
-        Hbc.appdir = original_appdir
-      end
-    end
-  end
-end