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ruby--ruby/test/rubygems/test_gem_path_support.rb

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# frozen_string_literal: true
require_relative 'helper'
require 'rubygems'
require 'fileutils'
class TestGemPathSupport < Gem::TestCase
def setup
super
ENV["GEM_HOME"] = @tempdir
ENV["GEM_PATH"] = [@tempdir, "something"].join(File::PATH_SEPARATOR)
end
def test_initialize
ps = Gem::PathSupport.new ENV
assert_equal ENV["GEM_HOME"], ps.home
expected = ENV["GEM_PATH"].split(File::PATH_SEPARATOR)
assert_equal expected, ps.path, "defaults to GEM_PATH"
end
def test_initialize_home
ps = Gem::PathSupport.new ENV.to_hash.merge("GEM_HOME" => "#{@tempdir}/foo")
assert_equal File.join(@tempdir, "foo"), ps.home
expected = ENV["GEM_PATH"].split(File::PATH_SEPARATOR) + [File.join(@tempdir, 'foo')]
assert_equal expected, ps.path
end
if File::ALT_SEPARATOR
def test_initialize_home_normalize
alternate = @tempdir.gsub(File::SEPARATOR, File::ALT_SEPARATOR)
ps = Gem::PathSupport.new "GEM_HOME" => alternate
assert_equal @tempdir, ps.home, "normalize values"
end
end
def test_initialize_path
Gem.stub(:path_separator, File::PATH_SEPARATOR) do
ps = Gem::PathSupport.new ENV.to_hash.merge("GEM_PATH" => %W[#{@tempdir}/foo #{@tempdir}/bar].join(Gem.path_separator))
assert_equal ENV["GEM_HOME"], ps.home
expected = [
File.join(@tempdir, 'foo'),
File.join(@tempdir, 'bar'),
ENV["GEM_HOME"],
]
assert_equal expected, ps.path
end
end
def test_initialize_regexp_path_separator
Gem.stub(:path_separator, /#{File::PATH_SEPARATOR}/) do
path = %W[#{@tempdir}/foo
#{File::PATH_SEPARATOR}
#{@tempdir}/bar
#{File::PATH_SEPARATOR}].join
ps = Gem::PathSupport.new "GEM_PATH" => path, "GEM_HOME" => ENV["GEM_HOME"]
assert_equal ENV["GEM_HOME"], ps.home
expected = [
File.join(@tempdir, 'foo'),
File.join(@tempdir, 'bar'),
] + Gem.default_path << ENV["GEM_HOME"]
assert_equal expected, ps.path
end
end
def test_initialize_path_with_defaults
path = %W[#{@tempdir}/foo
#{File::PATH_SEPARATOR}
#{@tempdir}/bar
#{File::PATH_SEPARATOR}].join
ps = Gem::PathSupport.new "GEM_PATH" => path, "GEM_HOME" => ENV["GEM_HOME"]
assert_equal ENV["GEM_HOME"], ps.home
expected = [
File.join(@tempdir, 'foo'),
File.join(@tempdir, 'bar'),
] + Gem.default_path << ENV["GEM_HOME"]
assert_equal expected, ps.path
end
def test_initialize_home_path
Gem.stub(:path_separator, File::PATH_SEPARATOR) do
ps = Gem::PathSupport.new("GEM_HOME" => "#{@tempdir}/foo",
"GEM_PATH" => %W[#{@tempdir}/foo #{@tempdir}/bar].join(Gem.path_separator))
assert_equal File.join(@tempdir, "foo"), ps.home
expected = [File.join(@tempdir, 'foo'), File.join(@tempdir, 'bar')]
assert_equal expected, ps.path
end
end
def test_initialize_spec
ENV["GEM_SPEC_CACHE"] = nil
ps = Gem::PathSupport.new ENV
assert_equal Gem.default_spec_cache_dir, ps.spec_cache_dir
ENV["GEM_SPEC_CACHE"] = 'bar'
ps = Gem::PathSupport.new ENV
assert_equal ENV["GEM_SPEC_CACHE"], ps.spec_cache_dir
ENV["GEM_SPEC_CACHE"] = File.join @tempdir, 'spec_cache'
ps = Gem::PathSupport.new "GEM_SPEC_CACHE" => "foo"
assert_equal "foo", ps.spec_cache_dir
end
def test_gem_paths_do_not_contain_symlinks
dir = "#{@tempdir}/realgemdir"
symlink = "#{@tempdir}/symdir"
Dir.mkdir dir
begin
File.symlink(dir, symlink)
rescue NotImplementedError, SystemCallError
pend 'symlinks not supported'
end
not_existing = "#{@tempdir}/does_not_exist"
path = "#{symlink}#{File::PATH_SEPARATOR}#{not_existing}"
ps = Gem::PathSupport.new "GEM_PATH" => path, "GEM_HOME" => symlink
assert_equal dir, ps.home
assert_equal [dir, not_existing], ps.path
end
end