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Diffstat (limited to 'spec/ruby/core/file/expand_path_spec.rb')
-rw-r--r-- | spec/ruby/core/file/expand_path_spec.rb | 242 |
1 files changed, 242 insertions, 0 deletions
diff --git a/spec/ruby/core/file/expand_path_spec.rb b/spec/ruby/core/file/expand_path_spec.rb new file mode 100644 index 0000000000..c57f323c4c --- /dev/null +++ b/spec/ruby/core/file/expand_path_spec.rb @@ -0,0 +1,242 @@ +# -*- encoding: utf-8 -*- + +require File.expand_path('../../../spec_helper', __FILE__) +require File.expand_path('../fixtures/common', __FILE__) + +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 + + # FIXME: do not use conditionals like this around #it blocks + unless not home = ENV['HOME'] + platform_is_not :windows do + it "converts a pathname to an absolute pathname, using ~ (home) as base" do + 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 + 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 + platform_is :windows do + it "converts a pathname to an absolute pathname, using ~ (home) as base" do + File.expand_path('~').should == home.tr("\\", '/') + File.expand_path('~', '/tmp/gumby/ddd').should == home.tr("\\", '/') + File.expand_path('~/a', '/tmp/gumby/ddd').should == File.join(home.tr("\\", '/'), 'a') + end + + it "does not return a frozen string" do + 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 + end + + platform_is_not :windows do + before do + @home = ENV['HOME'].chomp('/') + 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 commoms unix path give 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 == @home + File.expand_path('~/..badfilename').should == "#{@home}/..badfilename" + File.expand_path('..').should == Dir.pwd.split('/')[0...-1].join("/") + File.expand_path('~/a','~/b').should == "#{@home}/a" + 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 == @home + File.expand_path("~#{ENV['USER']}/a").should == "#{@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 == "#{@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 not set" do + before :each do + @home = ENV["HOME"] + end + + after :each do + ENV["HOME"] = @home + end + + ruby_version_is ''...'2.4' do + it "raises an ArgumentError when passed '~' if HOME is nil" do + ENV.delete "HOME" + lambda { File.expand_path("~") }.should raise_error(ArgumentError) + end + + it "raises an ArgumentError when passed '~/' if HOME is nil" do + ENV.delete "HOME" + lambda { File.expand_path("~/") }.should raise_error(ArgumentError) + end + end + + it "raises an ArgumentError when passed '~' if HOME == ''" do + ENV["HOME"] = "" + lambda { File.expand_path("~") }.should raise_error(ArgumentError) + end + end +end |