From 1d15d5f08032acf1b7bceacbb450d617ff6e0931 Mon Sep 17 00:00:00 2001 From: eregon Date: Wed, 20 Sep 2017 20:18:52 +0000 Subject: Move spec/rubyspec to spec/ruby for consistency * Other ruby implementations use the spec/ruby directory. [Misc #13792] [ruby-core:82287] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- spec/ruby/core/io/readlines_spec.rb | 210 ++++++++++++++++++++++++++++++++++++ 1 file changed, 210 insertions(+) create mode 100644 spec/ruby/core/io/readlines_spec.rb (limited to 'spec/ruby/core/io/readlines_spec.rb') diff --git a/spec/ruby/core/io/readlines_spec.rb b/spec/ruby/core/io/readlines_spec.rb new file mode 100644 index 0000000000..22ba844b52 --- /dev/null +++ b/spec/ruby/core/io/readlines_spec.rb @@ -0,0 +1,210 @@ +# -*- encoding: utf-8 -*- +require File.expand_path('../../../spec_helper', __FILE__) +require File.expand_path('../fixtures/classes', __FILE__) +require File.expand_path('../shared/readlines', __FILE__) + +describe "IO#readlines" do + before :each do + @io = IOSpecs.io_fixture "lines.txt" + @orig_exteenc = Encoding.default_external + Encoding.default_external = Encoding::UTF_8 + end + + after :each do + @io.close unless @io.closed? + Encoding.default_external = @orig_exteenc + end + + it "raises an IOError if the stream is closed" do + @io.close + lambda { @io.readlines }.should raise_error(IOError) + end + + describe "when passed no arguments" do + before :each do + @sep, $/ = $/, " " + end + + after :each do + $/ = @sep + end + + it "returns an Array containing lines based on $/" do + @io.readlines.should == IOSpecs.lines_space_separator + end + end + + describe "when passed no arguments" do + it "updates self's position" do + @io.readlines + @io.pos.should eql(137) + end + + it "updates self's lineno based on the number of lines read" do + @io.readlines + @io.lineno.should eql(9) + end + + it "does not change $_" do + $_ = "test" + @io.readlines + $_.should == "test" + end + + it "returns an empty Array when self is at the end" do + @io.readlines.should == IOSpecs.lines + @io.readlines.should == [] + end + end + + describe "when passed nil" do + it "returns the remaining content as one line starting at the current position" do + @io.readlines(nil).should == [IOSpecs.lines.join] + end + end + + describe "when passed an empty String" do + it "returns an Array containing all paragraphs" do + @io.readlines("").should == IOSpecs.paragraphs + end + end + + describe "when passed a separator" do + it "returns an Array containing lines based on the separator" do + @io.readlines("r").should == IOSpecs.lines_r_separator + end + + it "returns an empty Array when self is at the end" do + @io.readlines + @io.readlines("r").should == [] + end + + it "updates self's lineno based on the number of lines read" do + @io.readlines("r") + @io.lineno.should eql(5) + end + + it "updates self's position based on the number of characters read" do + @io.readlines("r") + @io.pos.should eql(137) + end + + it "does not change $_" do + $_ = "test" + @io.readlines("r") + $_.should == "test" + end + + it "tries to convert the passed separator to a String using #to_str" do + obj = mock('to_str') + obj.stub!(:to_str).and_return("r") + @io.readlines(obj).should == IOSpecs.lines_r_separator + end + end + + describe "when passed a string that starts with a |" do + it "gets data from the standard out of the subprocess" do + cmd = "|sh -c 'echo hello;echo line2'" + platform_is :windows do + cmd = "|cmd.exe /C echo hello&echo line2" + end + lines = IO.readlines(cmd) + lines.should == ["hello\n", "line2\n"] + end + + with_feature :fork do + it "gets data from a fork when passed -" do + lines = IO.readlines("|-") + + if lines # parent + lines.should == ["hello\n", "from a fork\n"] + else + puts "hello" + puts "from a fork" + exit! + end + end + end + end +end + +describe "IO#readlines" do + before :each do + @name = tmp("io_readlines") + end + + after :each do + rm_r @name + end + + it "raises an IOError if the stream is opened for append only" do + lambda do + File.open(@name, fmode("a:utf-8")) { |f| f.readlines } + end.should raise_error(IOError) + end + + it "raises an IOError if the stream is opened for write only" do + lambda do + File.open(@name, fmode("w:utf-8")) { |f| f.readlines } + end.should raise_error(IOError) + end +end + +describe "IO.readlines" do + before :each do + @external = Encoding.default_external + Encoding.default_external = Encoding::UTF_8 + + @name = fixture __FILE__, "lines.txt" + ScratchPad.record [] + end + + after :each do + Encoding.default_external = @external + end + + it "does not change $_" do + $_ = "test" + IO.readlines(@name) + $_.should == "test" + end + + it_behaves_like :io_readlines, :readlines + it_behaves_like :io_readlines_options_19, :readlines +end + +describe "IO.readlines" do + before :each do + @external = Encoding.default_external + @internal = Encoding.default_internal + @name = fixture __FILE__, "lines.txt" + @dollar_slash = $/ + end + + after :each do + Encoding.default_external = @external + Encoding.default_internal = @internal + $/ = @dollar_slash + end + + it "encodes lines using the default external encoding" do + Encoding.default_external = Encoding::UTF_8 + lines = IO.readlines(@name) + lines.all? { |s| s.encoding == Encoding::UTF_8 }.should be_true + end + + it "encodes lines using the default internal encoding, when set" do + Encoding.default_external = Encoding::UTF_8 + Encoding.default_internal = Encoding::UTF_16 + $/ = $/.encode Encoding::UTF_16 + lines = IO.readlines(@name) + lines.all? { |s| s.encoding == Encoding::UTF_16 }.should be_true + end + + it "ignores the default internal encoding if the external encoding is ASCII-8BIT" do + Encoding.default_external = Encoding::ASCII_8BIT + Encoding.default_internal = Encoding::UTF_8 + lines = IO.readlines(@name) + lines.all? { |s| s.encoding == Encoding::ASCII_8BIT }.should be_true + end +end -- cgit v1.2.3