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-rw-r--r--spec/ruby/core/file/new_spec.rb223
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diff --git a/spec/ruby/core/file/new_spec.rb b/spec/ruby/core/file/new_spec.rb
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+require_relative '../../spec_helper'
+require_relative 'shared/open'
+
+describe "File.new" do
+ before :each do
+ @file = tmp('test.txt')
+ @fh = nil
+ @flags = File::CREAT | File::TRUNC | File::WRONLY
+ touch @file
+ end
+
+ after :each do
+ @fh.close if @fh
+ rm_r @file
+ end
+
+ it "returns a new File with mode string" do
+ @fh = File.new(@file, 'w')
+ @fh.should.is_a?(File)
+ File.should.exist?(@file)
+ end
+
+ it "returns a new File with mode num" do
+ @fh = File.new(@file, @flags)
+ @fh.should.is_a?(File)
+ File.should.exist?(@file)
+ end
+
+ it "returns a new File with modus num and permissions" do
+ rm_r @file
+ File.umask(0011)
+ @fh = File.new(@file, @flags, 0755)
+ @fh.should.is_a?(File)
+ platform_is_not :windows do
+ File.stat(@file).mode.to_s(8).should == "100744"
+ end
+ File.should.exist?(@file)
+ end
+
+ it "creates the file and returns writable descriptor when called with 'w' mode and r-o permissions" do
+ # it should be possible to write to such a file via returned descriptor,
+ # even though the file permissions are r-r-r.
+
+ rm_r @file
+ begin
+ f = File.new(@file, "w", 0444)
+ -> { f.puts("test") }.should_not.raise(IOError)
+ ensure
+ f.close
+ end
+ File.should.exist?(@file)
+ File.read(@file).should == "test\n"
+ end
+
+ platform_is_not :windows do
+ it "opens the existing file, does not change permissions even when they are specified" do
+ File.chmod(0644, @file) # r-w perms
+ orig_perms = File.stat(@file).mode & 0777
+ begin
+ f = File.new(@file, "w", 0444) # r-o perms, but they should be ignored
+ f.puts("test")
+ ensure
+ f.close
+ end
+ perms = File.stat(@file).mode & 0777
+ perms.should == orig_perms
+
+ # it should be still possible to read from the file
+ File.read(@file).should == "test\n"
+ end
+ end
+
+ it "returns a new File with modus fd" do
+ @fh = File.new(@file)
+ fh_copy = File.new(@fh.fileno)
+ fh_copy.autoclose = false
+ fh_copy.should.is_a?(File)
+ File.should.exist?(@file)
+ end
+
+ it "returns a new read-only File when mode is not specified" do
+ @fh = File.new(@file)
+
+ -> { @fh.puts("test") }.should.raise(IOError)
+ @fh.read.should == ""
+ File.should.exist?(@file)
+ end
+
+ it "returns a new read-only File when mode is not specified but flags option is present" do
+ @fh = File.new(@file, flags: File::CREAT)
+
+ -> { @fh.puts("test") }.should.raise(IOError)
+ @fh.read.should == ""
+ File.should.exist?(@file)
+ end
+
+ it "creates a new file when use File::EXCL mode" do
+ @fh = File.new(@file, File::EXCL)
+ @fh.should.is_a?(File)
+ File.should.exist?(@file)
+ end
+
+ it "raises an Errno::EEXIST if the file exists when create a new file with File::CREAT|File::EXCL" do
+ -> { @fh = File.new(@file, File::CREAT|File::EXCL) }.should.raise(Errno::EEXIST)
+ end
+
+ it "creates a new file when use File::WRONLY|File::APPEND mode" do
+ @fh = File.new(@file, File::WRONLY|File::APPEND)
+ @fh.should.is_a?(File)
+ File.should.exist?(@file)
+ end
+
+ it "returns a new File when use File::APPEND mode" do
+ @fh = File.new(@file, File::APPEND)
+ @fh.should.is_a?(File)
+ File.should.exist?(@file)
+ end
+
+ it "returns a new File when use File::RDONLY|File::APPEND mode" do
+ @fh = File.new(@file, File::RDONLY|File::APPEND)
+ @fh.should.is_a?(File)
+ File.should.exist?(@file)
+ end
+
+ it "returns a new File when use File::RDONLY|File::WRONLY mode" do
+ @fh = File.new(@file, File::RDONLY|File::WRONLY)
+ @fh.should.is_a?(File)
+ File.should.exist?(@file)
+ end
+
+ it "creates a new file when use File::WRONLY|File::TRUNC mode" do
+ @fh = File.new(@file, File::WRONLY|File::TRUNC)
+ @fh.should.is_a?(File)
+ File.should.exist?(@file)
+ end
+
+ it "returns a new read-only File when use File::RDONLY|File::CREAT mode" do
+ @fh = File.new(@file, File::RDONLY|File::CREAT)
+ @fh.should.is_a?(File)
+ File.should.exist?(@file)
+
+ # it's read-only
+ -> { @fh.puts("test") }.should.raise(IOError)
+ @fh.read.should == ""
+ end
+
+ it "returns a new read-only File when use File::CREAT mode" do
+ @fh = File.new(@file, File::CREAT)
+ @fh.should.is_a?(File)
+ File.should.exist?(@file)
+
+ # it's read-only
+ -> { @fh.puts("test") }.should.raise(IOError)
+ @fh.read.should == ""
+ end
+
+ it "coerces filename using to_str" do
+ name = mock("file")
+ name.should_receive(:to_str).and_return(@file)
+ @fh = File.new(name, "w")
+ File.should.exist?(@file)
+ end
+
+ it "coerces filename using #to_path" do
+ name = mock("file")
+ name.should_receive(:to_path).and_return(@file)
+ @fh = File.new(name, "w")
+ File.should.exist?(@file)
+ end
+
+ it "accepts options as a keyword argument" do
+ @fh = File.new(@file, 'w', 0755, flags: @flags)
+ @fh.should.is_a?(File)
+ @fh.close
+
+ -> {
+ @fh = File.new(@file, 'w', 0755, {flags: @flags})
+ }.should.raise(ArgumentError, "wrong number of arguments (given 4, expected 1..3)")
+ end
+
+ it "bitwise-ORs mode and flags option" do
+ -> {
+ @fh = File.new(@file, 'w', flags: File::EXCL)
+ }.should.raise(Errno::EEXIST, /File exists/)
+
+ -> {
+ @fh = File.new(@file, mode: 'w', flags: File::EXCL)
+ }.should.raise(Errno::EEXIST, /File exists/)
+ end
+
+ it "does not use the given block and warns to use File::open" do
+ -> {
+ @fh = File.new(@file) { raise }
+ }.should complain(/warning: File::new\(\) does not take block; use File::open\(\) instead/)
+ end
+
+ it "raises a TypeError if the first parameter can't be coerced to a string" do
+ -> { File.new(true) }.should.raise(TypeError)
+ -> { File.new(false) }.should.raise(TypeError)
+ end
+
+ it "raises a TypeError if the first parameter is nil" do
+ -> { File.new(nil) }.should.raise(TypeError)
+ end
+
+ it "raises an Errno::EBADF if the first parameter is an invalid file descriptor" do
+ -> { File.new(-1) }.should.raise(Errno::EBADF)
+ end
+
+ platform_is_not :windows do
+ it "can't alter mode or permissions when opening a file" do
+ @fh = File.new(@file)
+ -> {
+ f = File.new(@fh.fileno, @flags)
+ f.autoclose = false
+ }.should.raise(Errno::EINVAL)
+ end
+ end
+
+ platform_is_not :windows do
+ it_behaves_like :open_directory, :new
+ end
+end
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