add test_tap

Library/Homebrew/test/test_tap.rb

@@ -0,0 +1,191 @@
+require "testing_env"
+
+class TapTest < Homebrew::TestCase
+  def setup
+    @path = Tap::TAP_DIRECTORY/"homebrew/homebrew-foo"
+    @path.mkpath
+    @tap = Tap.new("Homebrew", "foo")
+  end
+
+  def setup_tap_files
+    @formula_file = @path/"Formula/foo.rb"
+    @formula_file.write <<-EOS.undent
+      class Foo < Formula
+        url "https://example.com/foo-1.0.tar.gz"
+      end
+    EOS
+    @alias_file = @path/"Aliases/bar"
+    @alias_file.parent.mkpath
+    FileUtils.ln_s @formula_file, @alias_file
+    (@path/"formula_renames.json").write <<-EOS.undent
+     { "oldname": "foo" }
+    EOS
+    @cmd_file = @path/"cmd/brew-tap-cmd.rb"
+    @cmd_file.parent.mkpath
+    FileUtils.touch @cmd_file
+    FileUtils.chmod 0755, @cmd_file
+    @manpage_file = @path/"man/man1/brew-tap-cmd.1"
+    @manpage_file.parent.mkpath
+    FileUtils.touch @manpage_file
+  end
+
+  def setup_git_repo
+    @path.cd do
+      shutup do
+        system "git", "init"
+        system "git", "remote", "add", "origin", "https://github.com/Homebrew/homebrew-foo"
+        system "git", "add", "--all"
+        system "git", "commit", "-m", "init"
+      end
+    end
+  end
+
+  def teardown
+    Tap::TAP_DIRECTORY.rmtree
+  end
+
+  def test_fetch
+    assert_kind_of CoreFormulaRepository, Tap.fetch("Homebrew", "homebrew")
+    tap = Tap.fetch("Homebrew", "foo")
+    assert_kind_of Tap, tap
+    assert_equal "homebrew/foo", tap.name
+  ensure
+    Tap.clear_cache
+  end
+
+  def test_names
+    assert_equal ["homebrew/foo"], Tap.names
+  end
+
+  def test_attributes
+    assert_equal "Homebrew", @tap.user
+    assert_equal "foo", @tap.repo
+    assert_equal "homebrew/foo", @tap.name
+    assert_equal @path, @tap.path
+    assert_predicate @tap, :installed?
+    assert_predicate @tap, :official?
+    refute_predicate @tap, :core_formula_repository?
+  end
+
+  def test_files
+    setup_tap_files
+
+    assert_equal [@formula_file], @tap.formula_files
+    assert_equal ["homebrew/foo/foo"], @tap.formula_names
+    assert_equal [@alias_file], @tap.alias_files
+    assert_equal ["homebrew/foo/bar"], @tap.aliases
+    assert_equal @tap.alias_table, "homebrew/foo/bar" => "homebrew/foo/foo"
+    assert_equal @tap.alias_reverse_table, "homebrew/foo/foo" => ["homebrew/foo/bar"]
+    assert_equal @tap.formula_renames, "oldname" => "foo"
+    assert_equal [@cmd_file], @tap.command_files
+    assert_kind_of Hash, @tap.to_hash
+  end
+
+  def test_remote
+    setup_git_repo
+
+    assert_equal "https://github.com/Homebrew/homebrew-foo", @tap.remote
+    assert_raises(TapUnavailableError) { Tap.new("Homebrew", "bar").remote }
+    refute_predicate @tap, :custom_remote?
+    assert_predicate @tap, :private?
+
+    version_tap = Tap.new("Homebrew", "versions")
+    version_tap.path.mkpath
+    version_tap.path.cd do
+      shutup do
+        system "git", "init"
+        system "git", "remote", "add", "origin", "https://github.com/Homebrew/homebrew-versions"
+      end
+    end
+    refute_predicate version_tap, :private?
+  end
+
+  def test_install_tap_already_tapped_error
+    assert_raises(TapAlreadyTappedError) { @tap.install }
+  end
+
+  def test_uninstall_tap_unavailable_error
+    tap = Tap.new("Homebrew", "bar")
+    assert_raises(TapUnavailableError) { tap.uninstall }
+  end
+
+  def test_install_git_error
+    tap = Tap.new("user", "repo")
+    assert_raises(ErrorDuringExecution) do
+      shutup { tap.install :clone_target => "file:///not/existed/remote/url" }
+    end
+    refute_predicate tap, :installed?
+    refute_predicate Tap::TAP_DIRECTORY/"user", :exist?
+  end
+
+  def test_install_and_uninstall
+    setup_tap_files
+    setup_git_repo
+
+    tap = Tap.new("Homebrew", "bar")
+    shutup { tap.install :clone_target => @tap.path/".git" }
+    assert_predicate tap, :installed?
+    assert_predicate HOMEBREW_PREFIX/"share/man/man1/brew-tap-cmd.1", :file?
+    shutup { tap.uninstall }
+    refute_predicate tap, :installed?
+    refute_predicate HOMEBREW_PREFIX/"share/man/man1/brew-tap-cmd.1", :exist?
+    refute_predicate HOMEBREW_PREFIX/"share/man/man1", :exist?
+  ensure
+    (HOMEBREW_PREFIX/"share").rmtree
+  end
+
+  def test_pin_and_unpin
+    refute_predicate @tap, :pinned?
+    assert_raises(TapPinStatusError) { @tap.unpin }
+    @tap.pin
+    assert_predicate @tap, :pinned?
+    assert_raises(TapPinStatusError) { @tap.pin }
+    @tap.unpin
+    refute_predicate @tap, :pinned?
+  end
+end
+
+class CoreFormulaRepositoryTest < Homebrew::TestCase
+  def setup
+    @repo = CoreFormulaRepository.new
+  end
+
+  def test_attributes
+    assert_equal "Homebrew", @repo.user
+    assert_equal "homebrew", @repo.repo
+    assert_equal "Homebrew/homebrew", @repo.name
+    assert_equal [], @repo.command_files
+    assert_predicate @repo, :installed?
+    refute_predicate @repo, :pinned?
+    assert_predicate @repo, :official?
+    assert_predicate @repo, :core_formula_repository?
+  end
+
+  def test_forbidden_operations
+    assert_raises(RuntimeError) { @repo.uninstall }
+    assert_raises(RuntimeError) { @repo.pin }
+    assert_raises(RuntimeError) { @repo.unpin }
+  end
+
+  def test_files
+    @formula_file = @repo.formula_dir/"foo.rb"
+    @formula_file.write <<-EOS.undent
+      class Foo < Formula
+        url "https://example.com/foo-1.0.tar.gz"
+      end
+    EOS
+    @alias_file = @repo.alias_dir/"bar"
+    @alias_file.parent.mkpath
+    FileUtils.ln_s @formula_file, @alias_file
+
+    assert_equal [@formula_file], @repo.formula_files
+    assert_equal ["foo"], @repo.formula_names
+    assert_equal [@alias_file], @repo.alias_files
+    assert_equal ["bar"], @repo.aliases
+    assert_equal @repo.alias_table, "bar" => "foo"
+    assert_equal @repo.alias_reverse_table, "foo" => ["bar"]
+  ensure
+    @formula_file.unlink
+    @repo.alias_dir.rmtree
+  end
+end