brew/Library/Homebrew/test/test_utils.rb

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require "testing_env"
require "utils"
require "tempfile"
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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
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def test_put_columns_empty
# Issue #217 put columns with no results fails.
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assert_silent { puts_columns [] }
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end
def test_which
cmd = @dir/"foo"
FileUtils.touch cmd
cmd.chmod 0744
assert_equal Pathname.new(cmd),
which(File.basename(cmd), File.dirname(cmd))
end
def test_which_skip_non_executables
cmd = @dir/"foo"
FileUtils.touch cmd
assert_nil which(File.basename(cmd), File.dirname(cmd))
end
def test_which_skip_malformed_path
# 'which' should not fail if a path is malformed
# see https://github.com/Homebrew/homebrew/issues/32789 for an example
cmd = @dir/"foo"
FileUtils.touch cmd
cmd.chmod 0744
# ~~ will fail because ~foo resolves to foo's home and there is no '~' user
# here
assert_equal Pathname.new(cmd),
which(File.basename(cmd), "~~#{File::PATH_SEPARATOR}#{File.dirname(cmd)}")
end
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def test_which_all
(@dir/"bar/baz").mkpath
cmd1 = @dir/"foo"
cmd2 = @dir/"bar/foo"
cmd3 = @dir/"bar/baz/foo"
FileUtils.touch cmd2
[cmd1, cmd3].each do |cmd|
FileUtils.touch cmd
cmd.chmod 0744
end
assert_equal [cmd3, cmd1],
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
assert_predicate $?, :success?
end
def test_popen_read_with_block
out = Utils.popen_read("/bin/sh", "-c", "echo success") do |pipe|
pipe.read.chomp
end
assert_equal "success", out
assert_predicate $?, :success?
end
def test_popen_write_with_block
Utils.popen_write("/usr/bin/grep", "-q", "success") do |pipe|
pipe.write("success\n")
end
assert_predicate $?, :success?
end
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def test_pretty_duration
assert_equal "1 second", pretty_duration(1)
assert_equal "2 seconds", pretty_duration(2.5)
assert_equal "42 seconds", pretty_duration(42)
assert_equal "4 minutes", pretty_duration(240)
assert_equal "4 minutes 12 seconds", pretty_duration(252.45)
end
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def test_plural
assert_equal "", plural(1)
assert_equal "s", plural(0)
assert_equal "s", plural(42)
assert_equal "", plural(42, "")
end
def test_disk_usage_readable
assert_equal "1B", disk_usage_readable(1)
assert_equal "1000B", disk_usage_readable(1000)
assert_equal "1K", disk_usage_readable(1024)
assert_equal "1K", disk_usage_readable(1025)
assert_equal "4.2M", disk_usage_readable(4_404_020)
assert_equal "4.2G", disk_usage_readable(4_509_715_660)
end
def test_number_readable
assert_equal "1", number_readable(1)
assert_equal "1,000", number_readable(1_000)
assert_equal "1,000,000", number_readable(1_000_000)
end
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end