require File.expand_path('../spec_helper', __FILE__) load_extension('file') describe :rb_file_open, shared: true do it "raises an ArgumentError if passed an empty mode string" do touch @name lambda { @s.rb_file_open(@name, "") }.should raise_error(ArgumentError) end it "opens a file in read-only mode with 'r'" do touch(@name) { |f| f.puts "readable" } @file = @s.send(@method, @name, "r") @file.should be_an_instance_of(File) @file.read.chomp.should == "readable" end it "creates and opens a non-existent file with 'w'" do @file = @s.send(@method, @name, "w") @file.write "writable" @file.flush File.read(@name).should == "writable" end it "truncates an existing file with 'w'" do touch(@name) { |f| f.puts "existing" } @file = @s.send(@method, @name, "w") File.read(@name).should == "" end end describe "C-API File function" do before :each do @s = CApiFileSpecs.new @name = tmp("rb_file_open") end after :each do @file.close if @file and !@file.closed? rm_r @name end describe "rb_file_open" do it_behaves_like :rb_file_open, :rb_file_open end describe "rb_file_open_str" do it_behaves_like :rb_file_open, :rb_file_open_str end describe "rb_file_open_str" do it "calls #to_path to convert on object to a path" do path = mock("rb_file_open_str to_path") path.should_receive(:to_path).and_return(@name) @file = @s.rb_file_open_str(path, "w") end it "calls #to_str to convert an object to a path if #to_path isn't defined" do path = mock("rb_file_open_str to_str") path.should_receive(:to_str).and_return(@name) @file = @s.rb_file_open_str(path, "w") end end describe "FilePathValue" do it "returns a String argument unchanged" do obj = "path" @s.FilePathValue(obj).should eql(obj) end it "does not call #to_str on a String" do obj = "path" obj.should_not_receive(:to_str) @s.FilePathValue(obj).should eql(obj) end it "calls #to_path to convert an object to a String" do obj = mock("FilePathValue to_path") obj.should_receive(:to_path).and_return("path") @s.FilePathValue(obj).should == "path" end it "calls #to_str to convert an object to a String if #to_path isn't defined" do obj = mock("FilePathValue to_str") obj.should_receive(:to_str).and_return("path") @s.FilePathValue(obj).should == "path" end end end