diff options
Diffstat (limited to 'spec/ruby/library/scanf/io')
-rw-r--r-- | spec/ruby/library/scanf/io/block_scanf_spec.rb | 10 | ||||
-rw-r--r-- | spec/ruby/library/scanf/io/fixtures/date.txt | 4 | ||||
-rw-r--r-- | spec/ruby/library/scanf/io/fixtures/helloworld.txt | 1 | ||||
-rw-r--r-- | spec/ruby/library/scanf/io/scanf_spec.rb | 38 | ||||
-rw-r--r-- | spec/ruby/library/scanf/io/shared/block_scanf.rb | 28 |
5 files changed, 81 insertions, 0 deletions
diff --git a/spec/ruby/library/scanf/io/block_scanf_spec.rb b/spec/ruby/library/scanf/io/block_scanf_spec.rb new file mode 100644 index 0000000000..b9cc1b507e --- /dev/null +++ b/spec/ruby/library/scanf/io/block_scanf_spec.rb @@ -0,0 +1,10 @@ +require_relative '../../../spec_helper' + +ruby_version_is ''...'2.7' do + require_relative 'shared/block_scanf' + require 'scanf' + + describe "IO#block_scanf" do + it_behaves_like :scanf_io_block_scanf, :block_scanf + end +end diff --git a/spec/ruby/library/scanf/io/fixtures/date.txt b/spec/ruby/library/scanf/io/fixtures/date.txt new file mode 100644 index 0000000000..a1bd635c0c --- /dev/null +++ b/spec/ruby/library/scanf/io/fixtures/date.txt @@ -0,0 +1,4 @@ +Beethoven 1770 +Bach 1685 +Handel 1685 + diff --git a/spec/ruby/library/scanf/io/fixtures/helloworld.txt b/spec/ruby/library/scanf/io/fixtures/helloworld.txt new file mode 100644 index 0000000000..3b18e512db --- /dev/null +++ b/spec/ruby/library/scanf/io/fixtures/helloworld.txt @@ -0,0 +1 @@ +hello world diff --git a/spec/ruby/library/scanf/io/scanf_spec.rb b/spec/ruby/library/scanf/io/scanf_spec.rb new file mode 100644 index 0000000000..6a1fd66780 --- /dev/null +++ b/spec/ruby/library/scanf/io/scanf_spec.rb @@ -0,0 +1,38 @@ +require_relative '../../../spec_helper' + +ruby_version_is ''...'2.7' do + require_relative 'shared/block_scanf' + require 'scanf' + + describe "IO#scanf" do + before :each do + @hw = File.open(fixture(__FILE__, 'helloworld.txt'), 'r') + @data = File.open(fixture(__FILE__, 'date.txt'), 'r') + end + + after :each do + @hw.close unless @hw.closed? + @data.close unless @data.closed? + end + + it "returns an array containing the input converted in the specified type" do + @hw.scanf("%s%s").should == ["hello", "world"] + @data.scanf("%s%d").should == ["Beethoven", 1770] + end + + it "returns an array containing the input converted in the specified type with given maximum field width" do + @hw.scanf("%2s").should == ["he"] + @data.scanf("%2c").should == ["Be"] + end + + it "returns an empty array when a wrong specifier is passed" do + @hw.scanf("%a").should == [] + @hw.scanf("%1").should == [] + @data.scanf("abc").should == [] + end + end + + describe "IO#scanf with block" do + it_behaves_like :scanf_io_block_scanf, :scanf + end +end diff --git a/spec/ruby/library/scanf/io/shared/block_scanf.rb b/spec/ruby/library/scanf/io/shared/block_scanf.rb new file mode 100644 index 0000000000..2031f4c2b7 --- /dev/null +++ b/spec/ruby/library/scanf/io/shared/block_scanf.rb @@ -0,0 +1,28 @@ +require 'scanf' + +describe :scanf_io_block_scanf, shared: true do + before :each do + @data = File.open(fixture(__FILE__, 'date.txt'), 'r') + end + + after :each do + @data.close unless @data.closed? + end + + it "passes each match to the block as an array" do + res = @data.send(@method, "%s%d") { |name, year| "#{name} was born in #{year}." } + res.should == ["Beethoven was born in 1770.", "Bach was born in 1685.", "Handel was born in 1685."] + end + + it "keeps scanning the input and cycling back to the beginning of the input string" do + a = [] + @data.send(@method, "%s"){|w| a << w} + a.should == [["Beethoven"], ["1770"], ["Bach"], ["1685"], ["Handel"], ["1685"]] + end + + it "returns an empty array when a wrong specifier is passed" do + a = [] + @data.send(@method, "%z"){|w| a << w} + a.empty?.should be_true + end +end |