more utils tests

Closes Homebrew/homebrew#47856.

Signed-off-by: Baptiste Fontaine <batifon@yahoo.fr>

Library/Homebrew/test/test_utils.rb

@@ -1,17 +1,89 @@
 require "testing_env"
+require "utils"
 require "tempfile"
 
+class TtyTests < Homebrew::TestCase
+  def test_strip_ansi
+    assert_equal "hello",
+      Tty.strip_ansi("\033\[36;7mhello\033\[0m")
+  end
+
+  def test_truncate
+    Tty.stubs(:width).returns 10
+    assert_equal "foobar", Tty.truncate("foobar something very long")
+    assert_equal "trunca", Tty.truncate("truncate")
+  end
+
+  def test_no_tty_formatting
+    $stdout.stubs(:tty?).returns false
+    assert_nil Tty.blue
+    assert_nil Tty.white
+    assert_nil Tty.red
+    assert_nil Tty.green
+    assert_nil Tty.gray
+    assert_nil Tty.yellow
+    assert_nil Tty.reset
+    assert_nil Tty.em
+    assert_nil Tty.highlight
+  end
+end
+
 class UtilTests < Homebrew::TestCase
   def setup
     @dir = Pathname.new(mktmpdir)
+    @env = ENV.to_hash
   end
 
   def teardown
     @dir.rmtree
+    ENV.replace @env
+  end
+
+  def test_ofail
+    shutup { ofail "foo" }
+    assert Homebrew.failed
+  ensure
+    Homebrew.failed = false
+  end
+
+  def test_odie
+    expects(:exit).returns 1
+    shutup { odie "foo" }
+  end
+
+  def test_pretty_installed
+    $stdout.stubs(:tty?).returns false
+    assert_equal "foo", pretty_installed("foo")
+  end
+
+  def test_pretty_uninstalled
+    $stdout.stubs(:tty?).returns false
+    assert_equal "foo", pretty_uninstalled("foo")
+  end
+
+  def test_interactive_shell
+    mktmpdir do |path|
+      shell = "#{path}/myshell"
+      File.open(shell, "w") do |file|
+        file.write "#!/bin/sh\necho called > #{path}/called\n"
+      end
+      FileUtils.chmod 0755, shell
+      ENV["SHELL"] = shell
+      assert_nothing_raised { interactive_shell }
+      assert File.exist? "#{path}/called"
+    end
+  end
+
+  def test_run_as_not_developer
+    ENV["HOMEBREW_DEVELOPER"] = "foo"
+    run_as_not_developer do
+      assert_nil ENV["HOMEBREW_DEVELOPER"]
+    end
+    assert_equal "foo", ENV["HOMEBREW_DEVELOPER"]
   end
 
   def test_put_columns_empty
-    # Issue #217 put columns with new results fails.
+    # Issue #217 put columns with no results fails.
     assert_silent { puts_columns [] }
   end
 
@@ -56,6 +128,34 @@ class UtilTests < Homebrew::TestCase
       which_all("foo", "#{@dir}/bar/baz:#{@dir}/baz:#{@dir}:~baduserpath")
   end
 
+  def test_which_editor
+    ENV["HOMEBREW_EDITOR"] = "vemate"
+    assert_equal "vemate", which_editor
+  end
+
+  def test_gzip
+    mktmpdir do |path|
+      somefile = "#{path}/somefile"
+      FileUtils.touch somefile
+      assert_equal "#{somefile}.gz",
+        gzip(somefile)[0].to_s
+      assert File.exist?("#{somefile}.gz")
+    end
+  end
+
+  def test_shell_profile
+    ENV["SHELL"] = "/bin/sh"
+    assert_equal "~/.bash_profile", shell_profile
+    ENV["SHELL"] = "/bin/bash"
+    assert_equal "~/.bash_profile", shell_profile
+    ENV["SHELL"] = "/bin/another_shell"
+    assert_equal "~/.bash_profile", shell_profile
+    ENV["SHELL"] = "/bin/zsh"
+    assert_equal "~/.zshrc", shell_profile
+    ENV["SHELL"] = "/bin/ksh"
+    assert_equal "~/.kshrc", shell_profile
+  end
+
   def test_popen_read
     out = Utils.popen_read("/bin/sh", "-c", "echo success").chomp
     assert_equal "success", out