Use `expect` syntax in `installer_test`.

Library/Homebrew/cask/test/cask/installer_test.rb

@@ -13,10 +13,8 @@ describe Hbc::Installer do
         Hbc::Installer.new(caffeine).install
       end
 
-      dest_path = Hbc.caskroom.join("local-caffeine", caffeine.version)
-      dest_path.must_be :directory?
-      application = Hbc.appdir.join("Caffeine.app")
-      application.must_be :directory?
+      expect(Hbc.caskroom.join("local-caffeine", caffeine.version)).must_be :directory?
+      expect(Hbc.appdir.join("Caffeine.app")).must_be :directory?
     end
 
     it "works with dmg-based Casks" do
@@ -26,10 +24,8 @@ describe Hbc::Installer do
         Hbc::Installer.new(asset).install
       end
 
-      dest_path = Hbc.caskroom.join("container-dmg", asset.version)
-      dest_path.must_be :directory?
-      file = Hbc.appdir.join("container")
-      file.must_be :file?
+      expect(Hbc.caskroom.join("container-dmg", asset.version)).must_be :directory?
+      expect(Hbc.appdir.join("container")).must_be :file?
     end
 
     it "works with tar-gz-based Casks" do
@@ -39,10 +35,8 @@ describe Hbc::Installer do
         Hbc::Installer.new(asset).install
       end
 
-      dest_path = Hbc.caskroom.join("container-tar-gz", asset.version)
-      dest_path.must_be :directory?
-      application = Hbc.appdir.join("container")
-      application.must_be :file?
+      expect(Hbc.caskroom.join("container-tar-gz", asset.version)).must_be :directory?
+      expect(Hbc.appdir.join("container")).must_be :file?
     end
 
     it "works with cab-based Casks" do
@@ -55,10 +49,8 @@ describe Hbc::Installer do
         end
       end
 
-      dest_path = Hbc.caskroom.join("container-cab", asset.version)
-      dest_path.must_be :directory?
-      application = Hbc.appdir.join("container")
-      application.must_be :file?
+      expect(Hbc.caskroom.join("container-cab", asset.version)).must_be :directory?
+      expect(Hbc.appdir.join("container")).must_be :file?
     end
 
     it "works with Adobe AIR-based Casks" do
@@ -69,10 +61,8 @@ describe Hbc::Installer do
         Hbc::Installer.new(asset).install
       end
 
-      dest_path = Hbc.caskroom.join("container-air", asset.version)
-      dest_path.must_be :directory?
-      application = Hbc.appdir.join("container.app")
-      application.must_be :directory?
+      expect(Hbc.caskroom.join("container-air", asset.version)).must_be :directory?
+      expect(Hbc.appdir.join("container.app")).must_be :directory?
     end
 
     it "works with 7z-based Casks" do
@@ -85,10 +75,8 @@ describe Hbc::Installer do
         end
       end
 
-      dest_path = Hbc.caskroom.join("container-7z", asset.version)
-      dest_path.must_be :directory?
-      file = Hbc.appdir.join("container")
-      file.must_be :file?
+      expect(Hbc.caskroom.join("container-7z", asset.version)).must_be :directory?
+      expect(Hbc.appdir.join("container")).must_be :file?
     end
 
     it "works with xar-based Casks" do
@@ -98,10 +86,8 @@ describe Hbc::Installer do
         Hbc::Installer.new(asset).install
       end
 
-      dest_path = Hbc.caskroom.join("container-xar", asset.version)
-      dest_path.must_be :directory?
-      file = Hbc.appdir.join("container")
-      file.must_be :file?
+      expect(Hbc.caskroom.join("container-xar", asset.version)).must_be :directory?
+      expect(Hbc.appdir.join("container")).must_be :file?
     end
 
     it "works with Stuffit-based Casks" do
@@ -114,10 +100,8 @@ describe Hbc::Installer do
         end
       end
 
-      dest_path = Hbc.caskroom.join("container-sit", asset.version)
-      dest_path.must_be :directory?
-      application = Hbc.appdir.join("container")
-      application.must_be :file?
+      expect(Hbc.caskroom.join("container-sit", asset.version)).must_be :directory?
+      expect(Hbc.appdir.join("container")).must_be :file?
     end
 
     it "works with RAR-based Casks" do
@@ -130,10 +114,8 @@ describe Hbc::Installer do
         end
       end
 
-      dest_path = Hbc.caskroom.join("container-rar", asset.version)
-      dest_path.must_be :directory?
-      application = Hbc.appdir.join("container")
-      application.must_be :file?
+      expect(Hbc.caskroom.join("container-rar", asset.version)).must_be :directory?
+      expect(Hbc.appdir.join("container")).must_be :file?
     end
 
     it "works with pure bzip2-based Casks" do
@@ -143,10 +125,8 @@ describe Hbc::Installer do
         Hbc::Installer.new(asset).install
       end
 
-      dest_path = Hbc.caskroom.join("container-bzip2", asset.version)
-      dest_path.must_be :directory?
-      file = Hbc.appdir.join("container-bzip2--#{asset.version}")
-      file.must_be :file?
+      expect(Hbc.caskroom.join("container-bzip2", asset.version)).must_be :directory?
+      expect(Hbc.appdir.join("container-bzip2--#{asset.version}")).must_be :file?
     end
 
     it "works with pure gzip-based Casks" do
@@ -156,10 +136,8 @@ describe Hbc::Installer do
         Hbc::Installer.new(asset).install
       end
 
-      dest_path = Hbc.caskroom.join("container-gzip", asset.version)
-      dest_path.must_be :directory?
-      file = Hbc.appdir.join("container")
-      file.must_be :file?
+      expect(Hbc.caskroom.join("container-gzip", asset.version)).must_be :directory?
+      expect(Hbc.appdir.join("container")).must_be :file?
     end
 
     it "works with pure xz-based Casks" do
@@ -172,10 +150,8 @@ describe Hbc::Installer do
         end
       end
 
-      dest_path = Hbc.caskroom.join("container-xz", asset.version)
-      dest_path.must_be :directory?
-      file = Hbc.appdir.join("container-xz--#{asset.version}")
-      file.must_be :file?
+      expect(Hbc.caskroom.join("container-xz", asset.version)).must_be :directory?
+      expect(Hbc.appdir.join("container-xz--#{asset.version}")).must_be :file?
     end
 
     it "works with lzma-based Casks" do
@@ -188,15 +164,13 @@ describe Hbc::Installer do
         end
       end
 
-      dest_path = Hbc.caskroom.join("container-lzma", asset.version)
-      dest_path.must_be :directory?
-      file = Hbc.appdir.join("container-lzma--#{asset.version}")
-      file.must_be :file?
+      expect(Hbc.caskroom.join("container-lzma", asset.version)).must_be :directory?
+      expect(Hbc.appdir.join("container-lzma--#{asset.version}")).must_be :file?
     end
 
     it "blows up on a bad checksum" do
       bad_checksum = Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/bad-checksum.rb")
-      lambda {
+      expect {
         shutup do
           Hbc::Installer.new(bad_checksum).install
         end
@@ -205,7 +179,7 @@ describe Hbc::Installer do
 
     it "blows up on a missing checksum" do
       missing_checksum = Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/missing-checksum.rb")
-      lambda {
+      expect {
         shutup do
           Hbc::Installer.new(missing_checksum).install
         end
@@ -219,12 +193,12 @@ describe Hbc::Installer do
         Hbc::Installer.new(no_checksum).install
       end
 
-      no_checksum.must_be :installed?
+      expect(no_checksum).must_be :installed?
     end
 
     it "fails to install if sha256 :no_check is used with --require-sha" do
       no_checksum = Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/no-checksum.rb")
-      lambda {
+      expect {
         Hbc::Installer.new(no_checksum, require_sha: true).install
       }.must_raise(Hbc::CaskNoShasumError)
     end
@@ -236,23 +210,27 @@ describe Hbc::Installer do
         Hbc::Installer.new(no_checksum, require_sha: true, force: true).install
       end
 
-      no_checksum.must_be :installed?
+      expect(no_checksum).must_be :installed?
     end
 
     it "prints caveats if they're present" do
       with_caveats = Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/with-caveats.rb")
-      lambda {
+
+      expect {
         Hbc::Installer.new(with_caveats).install
       }.must_output(/Here are some things you might want to know/)
-      with_caveats.must_be :installed?
+
+      expect(with_caveats).must_be :installed?
     end
 
     it "prints installer :manual instructions when present" do
       with_installer_manual = Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/with-installer-manual.rb")
-      lambda {
+
+      expect {
         Hbc::Installer.new(with_installer_manual).install
       }.must_output(/To complete the installation of Cask with-installer-manual, you must also\nrun the installer at\n\n  '#{with_installer_manual.staged_path.join('Caffeine.app')}'/)
-      with_installer_manual.must_be :installed?
+
+      expect(with_installer_manual).must_be :installed?
     end
 
     it "does not extract __MACOSX directories from zips" do
@@ -262,54 +240,60 @@ describe Hbc::Installer do
         Hbc::Installer.new(with_macosx_dir).install
       end
 
-      with_macosx_dir.staged_path.join("__MACOSX").wont_be :directory?
+      expect(with_macosx_dir.staged_path.join("__MACOSX")).wont_be :directory?
     end
 
     it "installer method raises an exception when already-installed Casks which auto-update are attempted" do
-      auto_updates = Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/auto-updates.rb")
-      auto_updates.installed?.must_equal false
-      installer = Hbc::Installer.new(auto_updates)
+      with_auto_updates = Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/auto-updates.rb")
+
+      expect(with_auto_updates).wont_be :installed?
+
+      installer = Hbc::Installer.new(with_auto_updates)
 
       shutup do
         installer.install
       end
 
-      lambda {
+      expect {
         installer.install
       }.must_raise(Hbc::CaskAlreadyInstalledAutoUpdatesError)
     end
 
     it "allows already-installed Casks which auto-update to be installed if force is provided" do
-      auto_updates = Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/auto-updates.rb")
-      auto_updates.installed?.must_equal false
+      with_auto_updates = Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/auto-updates.rb")
+
+      expect(with_auto_updates).wont_be :installed?
 
       shutup do
-        Hbc::Installer.new(auto_updates).install
+        Hbc::Installer.new(with_auto_updates).install
       end
 
       shutup do
-        Hbc::Installer.new(auto_updates, force: true).install
+        Hbc::Installer.new(with_auto_updates, force: true).install
       end # wont_raise
     end
 
     # unlike the CLI, the internal interface throws exception on double-install
     it "installer method raises an exception when already-installed Casks are attempted" do
       transmission = Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/local-transmission.rb")
-      transmission.installed?.must_equal false
+
+      expect(transmission).wont_be :installed?
+
       installer = Hbc::Installer.new(transmission)
 
       shutup do
         installer.install
       end
 
-      lambda {
+      expect {
         installer.install
       }.must_raise(Hbc::CaskAlreadyInstalledError)
     end
 
     it "allows already-installed Casks to be installed if force is provided" do
       transmission = Hbc::CaskLoader.load_from_file(TEST_FIXTURE_DIR/"cask/Casks/local-transmission.rb")
-      transmission.installed?.must_equal false
+
+      expect(transmission).wont_be :installed?
 
       shutup do
         Hbc::Installer.new(transmission).install
@@ -327,9 +311,7 @@ describe Hbc::Installer do
         Hbc::Installer.new(naked_pkg).install
       end
 
-      dest_path = Hbc.caskroom.join("container-pkg", naked_pkg.version)
-      pkg = dest_path.join("container.pkg")
-      pkg.must_be :file?
+      expect(Hbc.caskroom.join("container-pkg", naked_pkg.version, "container.pkg")).must_be :file?
     end
 
     it "works properly with an overridden container :type" do
@@ -339,9 +321,7 @@ describe Hbc::Installer do
         Hbc::Installer.new(naked_executable).install
       end
 
-      dest_path = Hbc.caskroom.join("naked-executable", naked_executable.version)
-      executable = dest_path.join("naked_executable")
-      executable.must_be :file?
+      expect(Hbc.caskroom.join("naked-executable", naked_executable.version, "naked_executable")).must_be :file?
     end
 
     it "works fine with a nested container" do
@@ -351,8 +331,7 @@ describe Hbc::Installer do
         Hbc::Installer.new(nested_app).install
       end
 
-      dest_path = Hbc.appdir.join("MyNestedApp.app")
-      dest_path.must_be :directory?
+      expect(Hbc.appdir.join("MyNestedApp.app")).must_be :directory?
     end
 
     it "generates and finds a timestamped metadata directory for an installed Cask" do
@@ -363,8 +342,8 @@ describe Hbc::Installer do
       end
 
       m_path = caffeine.metadata_path(:now, true)
-      caffeine.metadata_path(:now, false).must_equal(m_path)
-      caffeine.metadata_path(:latest).must_equal(m_path)
+      expect(caffeine.metadata_path(:now, false)).must_equal(m_path)
+      expect(caffeine.metadata_path(:latest)).must_equal(m_path)
     end
 
     it "generates and finds a metadata subdirectory for an installed Cask" do
@@ -376,8 +355,8 @@ describe Hbc::Installer do
 
       subdir_name = "Casks"
       m_subdir = caffeine.metadata_subdir(subdir_name, :now, true)
-      caffeine.metadata_subdir(subdir_name, :now, false).must_equal(m_subdir)
-      caffeine.metadata_subdir(subdir_name, :latest).must_equal(m_subdir)
+      expect(caffeine.metadata_subdir(subdir_name, :now, false)).must_equal(m_subdir)
+      expect(caffeine.metadata_subdir(subdir_name, :latest)).must_equal(m_subdir)
     end
   end
 
@@ -391,9 +370,9 @@ describe Hbc::Installer do
         installer.uninstall
       end
 
-      Hbc.caskroom.join("local-caffeine", caffeine.version, "Caffeine.app").wont_be :directory?
-      Hbc.caskroom.join("local-caffeine", caffeine.version).wont_be :directory?
-      Hbc.caskroom.join("local-caffeine").wont_be :directory?
+      expect(Hbc.caskroom.join("local-caffeine", caffeine.version, "Caffeine.app")).wont_be :directory?
+      expect(Hbc.caskroom.join("local-caffeine", caffeine.version)).wont_be :directory?
+      expect(Hbc.caskroom.join("local-caffeine")).wont_be :directory?
     end
 
     it "uninstalls all versions if force is set" do
@@ -404,19 +383,19 @@ describe Hbc::Installer do
         Hbc::Installer.new(caffeine).install
       end
 
-      Hbc.caskroom.join("local-caffeine", caffeine.version).must_be :directory?
-      Hbc.caskroom.join("local-caffeine", mutated_version).wont_be  :directory?
+      expect(Hbc.caskroom.join("local-caffeine", caffeine.version)).must_be :directory?
+      expect(Hbc.caskroom.join("local-caffeine", mutated_version)).wont_be  :directory?
       FileUtils.mv(Hbc.caskroom.join("local-caffeine", caffeine.version), Hbc.caskroom.join("local-caffeine", mutated_version))
-      Hbc.caskroom.join("local-caffeine", caffeine.version).wont_be :directory?
-      Hbc.caskroom.join("local-caffeine", mutated_version).must_be  :directory?
+      expect(Hbc.caskroom.join("local-caffeine", caffeine.version)).wont_be :directory?
+      expect(Hbc.caskroom.join("local-caffeine", mutated_version)).must_be  :directory?
 
       shutup do
         Hbc::Installer.new(caffeine, force: true).uninstall
       end
 
-      Hbc.caskroom.join("local-caffeine", caffeine.version).wont_be :directory?
-      Hbc.caskroom.join("local-caffeine", mutated_version).wont_be  :directory?
-      Hbc.caskroom.join("local-caffeine").wont_be :directory?
+      expect(Hbc.caskroom.join("local-caffeine", caffeine.version)).wont_be :directory?
+      expect(Hbc.caskroom.join("local-caffeine", mutated_version)).wont_be  :directory?
+      expect(Hbc.caskroom.join("local-caffeine")).wont_be :directory?
     end
   end
 end