diff options
Diffstat (limited to 'spec/ruby/core/argf/shared/each_line.rb')
-rw-r--r-- | spec/ruby/core/argf/shared/each_line.rb | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/spec/ruby/core/argf/shared/each_line.rb b/spec/ruby/core/argf/shared/each_line.rb new file mode 100644 index 0000000000..c0ef77dc54 --- /dev/null +++ b/spec/ruby/core/argf/shared/each_line.rb @@ -0,0 +1,62 @@ +describe :argf_each_line, shared: true do + before :each do + @file1_name = fixture __FILE__, "file1.txt" + @file2_name = fixture __FILE__, "file2.txt" + + @lines = File.readlines @file1_name + @lines += File.readlines @file2_name + end + + it "is a public method" do + argf [@file1_name, @file2_name] do + @argf.public_methods(false).should include(@method) + end + end + + it "requires multiple arguments" do + argf [@file1_name, @file2_name] do + @argf.method(@method).arity.should < 0 + end + end + + it "reads each line of files" do + argf [@file1_name, @file2_name] do + lines = [] + @argf.send(@method) { |b| lines << b } + lines.should == @lines + end + end + + it "returns self when passed a block" do + argf [@file1_name, @file2_name] do + @argf.send(@method) {}.should equal(@argf) + end + end + + describe "with a separator" do + it "yields each separated section of all streams" do + argf [@file1_name, @file2_name] do + @argf.send(@method, '.').to_a.should == + (File.readlines(@file1_name, '.') + File.readlines(@file2_name, '.')) + end + end + end + + describe "when no block is given" do + it "returns an Enumerator" do + argf [@file1_name, @file2_name] do + @argf.send(@method).should be_an_instance_of(Enumerator) + end + end + + describe "returned Enumerator" do + describe "size" do + it "should return nil" do + argf [@file1_name, @file2_name] do + @argf.send(@method).size.should == nil + end + end + end + end + end +end |