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Diffstat (limited to 'spec/ruby/library/tempfile/create_spec.rb')
| -rw-r--r-- | spec/ruby/library/tempfile/create_spec.rb | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/spec/ruby/library/tempfile/create_spec.rb b/spec/ruby/library/tempfile/create_spec.rb new file mode 100644 index 0000000000..be6d21e218 --- /dev/null +++ b/spec/ruby/library/tempfile/create_spec.rb @@ -0,0 +1,176 @@ +require_relative '../../spec_helper' +require 'tempfile' + +describe "Tempfile.create" do + after :each do + if @tempfile + @tempfile.close + File.unlink(@tempfile.path) if File.file?(@tempfile.path) + end + end + + it "returns a new, open regular File instance placed in tmpdir" do + @tempfile = Tempfile.create + # Unlike Tempfile.open this returns a true File, + # but `.should.instance_of?(File)` would be true either way. + @tempfile.instance_of?(File).should == true + + @tempfile.should_not.closed? + File.file?(@tempfile.path).should == true + + @tempfile.path.should.start_with?(Dir.tmpdir) + @tempfile.path.should_not == "#{Dir.tmpdir}/" + end + + it "returns file in w+ mode" do + @tempfile = Tempfile.create + @tempfile << "Test!\nMore test!" + @tempfile.rewind + @tempfile.read.should == "Test!\nMore test!" + + # Not "a+" mode, which would write at the end of the file. + @tempfile.rewind + @tempfile.print "Trust" + @tempfile.rewind + @tempfile.read.should == "Trust\nMore test!" + end + + platform_is_not :windows do + it "returns a private, readable and writable file" do + @tempfile = Tempfile.create + stat = @tempfile.stat + stat.should.readable? + stat.should.writable? + stat.should_not.executable? + stat.should_not.world_readable? + stat.should_not.world_writable? + end + end + + platform_is :windows do + it "returns a public, readable and writable file" do + @tempfile = Tempfile.create + stat = @tempfile.stat + stat.should.readable? + stat.should.writable? + stat.should_not.executable? + stat.should.world_readable? + stat.should.world_writable? + end + end + + context "when called with a block" do + it "returns the value of the block" do + value = Tempfile.create do |tempfile| + tempfile << "Test!" + "return" + end + value.should == "return" + end + + it "closes and unlinks file after block execution" do + Tempfile.create do |tempfile| + @tempfile = tempfile + @tempfile.should_not.closed? + File.exist?(@tempfile.path).should == true + end + + @tempfile.should.closed? + File.exist?(@tempfile.path).should == false + end + end + + context "when called with a single positional argument" do + it "uses a String as a prefix for the filename" do + @tempfile = Tempfile.create("create_spec") + @tempfile.path.should.start_with?("#{Dir.tmpdir}/create_spec") + @tempfile.path.should_not == "#{Dir.tmpdir}/create_spec" + end + + it "uses an array of one String as a prefix for the filename" do + @tempfile = Tempfile.create(["create_spec"]) + @tempfile.path.should.start_with?("#{Dir.tmpdir}/create_spec") + @tempfile.path.should_not == "#{Dir.tmpdir}/create_spec" + end + + it "uses an array of two Strings as a prefix and suffix for the filename" do + @tempfile = Tempfile.create(["create_spec", ".temp"]) + @tempfile.path.should.start_with?("#{Dir.tmpdir}/create_spec") + @tempfile.path.should.end_with?(".temp") + end + + it "ignores excessive array elements after the first two" do + @tempfile = Tempfile.create(["create_spec", ".temp", :".txt"]) + @tempfile.path.should.start_with?("#{Dir.tmpdir}/create_spec") + @tempfile.path.should.end_with?(".temp") + end + + it "raises ArgumentError if passed something else than a String or an array of Strings" do + -> { Tempfile.create(:create_spec) }.should.raise(ArgumentError, "unexpected prefix: :create_spec") + -> { Tempfile.create([:create_spec]) }.should.raise(ArgumentError, "unexpected prefix: :create_spec") + -> { Tempfile.create(["create_spec", :temp]) }.should.raise(ArgumentError, "unexpected suffix: :temp") + end + end + + context "when called with a second positional argument" do + it "uses it as a directory for the tempfile" do + @tempfile = Tempfile.create("create_spec", "./") + @tempfile.path.should.start_with?("./create_spec") + end + + it "raises TypeError if argument can not be converted to a String" do + -> { Tempfile.create("create_spec", :temp) }.should.raise(TypeError, "no implicit conversion of Symbol into String") + end + end + + context "when called with a mode option" do + it "ORs it with the default mode, forcing it to be readable and writable" do + @tempfile = Tempfile.create(mode: File::RDONLY) + @tempfile.puts "test" + @tempfile.rewind + @tempfile.read.should == "test\n" + end + + it "raises NoMethodError if passed a String mode" do + -> { Tempfile.create(mode: "wb") }.should.raise(NoMethodError, /undefined method ['`]|' for .+String/) + end + end + + ruby_version_is "3.4" do + context "when called with anonymous: true" do + it "returns an already unlinked File without a proper path" do + @tempfile = Tempfile.create(anonymous: true) + @tempfile.should_not.closed? + @tempfile.path.should == "#{Dir.tmpdir}/" + File.file?(@tempfile.path).should == false + end + + it "unlinks file before calling the block" do + Tempfile.create(anonymous: true) do |tempfile| + @tempfile = tempfile + @tempfile.should_not.closed? + @tempfile.path.should == "#{Dir.tmpdir}/" + File.file?(@tempfile.path).should == false + end + @tempfile.should.closed? + end + end + + context "when called with anonymous: false" do + it "returns a usual File with a path" do + @tempfile = Tempfile.create(anonymous: false) + @tempfile.should_not.closed? + @tempfile.path.should.start_with?(Dir.tmpdir) + File.file?(@tempfile.path).should == true + end + end + end + + context "when called with other options" do + it "passes them along to File.open" do + @tempfile = Tempfile.create(encoding: "IBM037:IBM037", binmode: true) + @tempfile.external_encoding.should == Encoding.find("IBM037") + @tempfile.binmode?.should == true + end + end +end |