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# -*- encoding: utf-8 -*-
require_relative '../../spec_helper'
require_relative 'fixtures/common'
require 'etc'
describe "File.expand_path" do
before :each do
platform_is :windows do
@base = `cd`.chomp.tr '\\', '/'
@tmpdir = "c:/tmp"
@rootdir = "c:/"
end
platform_is_not :windows do
@base = Dir.pwd
@tmpdir = "/tmp"
@rootdir = "/"
end
end
with_feature :encoding do
before :each do
@external = Encoding.default_external
end
after :each do
Encoding.default_external = @external
end
end
it "converts a pathname to an absolute pathname" do
File.expand_path('').should == @base
File.expand_path('a').should == File.join(@base, 'a')
File.expand_path('a', nil).should == File.join(@base, 'a')
end
it "converts a pathname to an absolute pathname, Ruby-Talk:18512" do
# See Ruby-Talk:18512
File.expand_path('.a').should == File.join(@base, '.a')
File.expand_path('..a').should == File.join(@base, '..a')
File.expand_path('a../b').should == File.join(@base, 'a../b')
end
platform_is_not :windows do
it "keeps trailing dots on absolute pathname" do
# See Ruby-Talk:18512
File.expand_path('a.').should == File.join(@base, 'a.')
File.expand_path('a..').should == File.join(@base, 'a..')
end
end
it "converts a pathname to an absolute pathname, using a complete path" do
File.expand_path("", "#{@tmpdir}").should == "#{@tmpdir}"
File.expand_path("a", "#{@tmpdir}").should =="#{@tmpdir}/a"
File.expand_path("../a", "#{@tmpdir}/xxx").should == "#{@tmpdir}/a"
File.expand_path(".", "#{@rootdir}").should == "#{@rootdir}"
end
platform_is_not :windows do
before do
@var_home = ENV['HOME'].chomp('/')
@db_home = Dir.home(ENV['USER'])
end
# FIXME: these are insane!
it "expand path with" do
File.expand_path("../../bin", "/tmp/x").should == "/bin"
File.expand_path("../../bin", "/tmp").should == "/bin"
File.expand_path("../../bin", "/").should == "/bin"
File.expand_path("../bin", "tmp/x").should == File.join(@base, 'tmp', 'bin')
File.expand_path("../bin", "x/../tmp").should == File.join(@base, 'bin')
end
it "expand_path for common unix path gives a full path" do
File.expand_path('/tmp/').should =='/tmp'
File.expand_path('/tmp/../../../tmp').should == '/tmp'
File.expand_path('').should == Dir.pwd
File.expand_path('./////').should == Dir.pwd
File.expand_path('.').should == Dir.pwd
File.expand_path(Dir.pwd).should == Dir.pwd
File.expand_path('~/').should == @var_home
File.expand_path('~/..badfilename').should == "#{@var_home}/..badfilename"
File.expand_path('~/a','~/b').should == "#{@var_home}/a"
File.expand_path('..').should == File.dirname(Dir.pwd)
end
it "does not replace multiple '/' at the beginning of the path" do
File.expand_path('////some/path').should == "////some/path"
end
it "replaces multiple '/' with a single '/'" do
File.expand_path('/some////path').should == "/some/path"
end
it "raises an ArgumentError if the path is not valid" do
lambda { File.expand_path("~a_not_existing_user") }.should raise_error(ArgumentError)
end
it "expands ~ENV['USER'] to the user's home directory" do
File.expand_path("~#{ENV['USER']}").should == @db_home
end
it "expands ~ENV['USER']/a to a in the user's home directory" do
File.expand_path("~#{ENV['USER']}/a").should == "#{@db_home}/a"
end
it "does not expand ~ENV['USER'] when it's not at the start" do
File.expand_path("/~#{ENV['USER']}/a").should == "/~#{ENV['USER']}/a"
end
it "expands ../foo with ~/dir as base dir to /path/to/user/home/foo" do
File.expand_path('../foo', '~/dir').should == "#{@var_home}/foo"
end
end
it "accepts objects that have a #to_path method" do
File.expand_path(mock_to_path("a"), mock_to_path("#{@tmpdir}"))
end
it "raises a TypeError if not passed a String type" do
lambda { File.expand_path(1) }.should raise_error(TypeError)
lambda { File.expand_path(nil) }.should raise_error(TypeError)
lambda { File.expand_path(true) }.should raise_error(TypeError)
end
platform_is_not :windows do
it "expands /./dir to /dir" do
File.expand_path("/./dir").should == "/dir"
end
end
platform_is :windows do
it "expands C:/./dir to C:/dir" do
File.expand_path("C:/./dir").should == "C:/dir"
end
end
with_feature :encoding do
it "returns a String in the same encoding as the argument" do
Encoding.default_external = Encoding::SHIFT_JIS
path = "./a".force_encoding Encoding::CP1251
File.expand_path(path).encoding.should equal(Encoding::CP1251)
weird_path = [222, 173, 190, 175].pack('C*')
File.expand_path(weird_path).encoding.should equal(Encoding::ASCII_8BIT)
end
platform_is_not :windows do
it "expands a path when the default external encoding is ASCII-8BIT" do
Encoding.default_external = Encoding::ASCII_8BIT
path_8bit = [222, 173, 190, 175].pack('C*')
File.expand_path( path_8bit, @rootdir).should == "#{@rootdir}" + path_8bit
end
end
it "expands a path with multi-byte characters" do
File.expand_path("Ångström").should == "#{@base}/Ångström"
end
platform_is_not :windows do
it "raises an Encoding::CompatibilityError if the external encoding is not compatible" do
Encoding.default_external = Encoding::UTF_16BE
lambda { File.expand_path("./a") }.should raise_error(Encoding::CompatibilityError)
end
end
end
it "does not modify the string argument" do
str = "./a/b/../c"
File.expand_path(str, @base).should == "#{@base}/a/c"
str.should == "./a/b/../c"
end
it "does not modify a HOME string argument" do
str = "~/a"
File.expand_path(str).should == "#{Dir.home}/a"
str.should == "~/a"
end
it "returns a String when passed a String subclass" do
str = FileSpecs::SubString.new "./a/b/../c"
path = File.expand_path(str, @base)
path.should == "#{@base}/a/c"
path.should be_an_instance_of(String)
end
end
platform_is_not :windows do
describe "File.expand_path when HOME is set" do
before :each do
@home = ENV["HOME"]
ENV["HOME"] = "/rubyspec_home"
end
after :each do
ENV["HOME"] = @home
end
it "converts a pathname to an absolute pathname, using ~ (home) as base" do
home = "/rubyspec_home"
File.expand_path('~').should == home
File.expand_path('~', '/tmp/gumby/ddd').should == home
File.expand_path('~/a', '/tmp/gumby/ddd').should == File.join(home, 'a')
end
it "does not return a frozen string" do
home = "/rubyspec_home"
File.expand_path('~').frozen?.should == false
File.expand_path('~', '/tmp/gumby/ddd').frozen?.should == false
File.expand_path('~/a', '/tmp/gumby/ddd').frozen?.should == false
end
end
describe "File.expand_path when HOME is not set" do
before :each do
@home = ENV["HOME"]
end
after :each do
ENV["HOME"] = @home
end
guard -> {
# We need to check if getlogin(3) returns non-NULL,
# as MRI only checks getlogin(3) for expanding '~' if $HOME is not set.
user = ENV.delete("USER")
begin
Etc.getlogin != nil
ensure
ENV["USER"] = user
end
} do
it "uses the user database when passed '~' if HOME is nil" do
ENV.delete "HOME"
File.directory?(File.expand_path("~")).should == true
end
it "uses the user database when passed '~/' if HOME is nil" do
ENV.delete "HOME"
File.directory?(File.expand_path("~/")).should == true
end
end
it "raises an ArgumentError when passed '~' if HOME == ''" do
ENV["HOME"] = ""
lambda { File.expand_path("~") }.should raise_error(ArgumentError)
end
end
describe "File.expand_path with a non-absolute HOME" do
before :each do
@home = ENV["HOME"]
end
after :each do
ENV["HOME"] = @home
end
it "raises an ArgumentError" do
ENV["HOME"] = "non-absolute"
lambda { File.expand_path("~") }.should raise_error(ArgumentError, 'non-absolute home')
end
end
end
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