require 'spec_helper' require 'sugar-high/array' describe "SugarHigh" do describe "Array ext" do describe '#to_symbols' do it "should translate invalid array into empty array" do [1, nil].to_symbols.should == [] end it "should translate nested array of numbers and strings into symbols only array, excluding numbers" do [1, 'blip', [3, "hello"]].to_symbols.should == [:blip, :hello] end it "should translate nested array of numbers and strings into symbols only array, including numbers" do [[1, 'blip', [3, "hello"]]].to_symbols_num.should == [:_1, :blip, :_3, :hello] end it "should translate nested array of numbers and strings into symbols only array, including numbers" do [[1, 'blip', [1, "hello"]]].to_symbols_uniq.should include :blip, :hello end end describe '#to_symbols!' do it "should translate nested array of numbers and strings into symbols only array, excluding numbers" do x = [1, 'hello', 'blip', [3, "hello"]].to_symbols! x.should include :hello, :blip end it "should translate invalid array into empty array" do x = [1, nil].to_symbols! x.should == [] end end describe '#to_strings' do it "should translate nested array of numbers and strings into symbols only array, excluding numbers" do [1, 'blip', [3, "hello"]].to_strings.should == ['blip', 'hello'] end end describe '#to_strings' do it "should translate invalid array into empty array" do x = [1, nil].to_strings! x.should == [] end it "should translate nested array of numbers and strings into symbols only array, excluding numbers" do x = [1, 'blip', [3, "hello"]].to_strings! x.should == ['blip', 'hello'] end end describe '#flat_uniq' do it "should flatten array, remove nils and make unique" do [1, 'blip', ['blip', nil, 'c'], nil].flat_uniq.should == [1, 'blip', 'c'] end it "should return empty list if called on nil" do nil.flat_uniq.should == [] end end describe '#flat_uniq!' do it "should translate invalid array into empty array" do x = [1, nil].to_strings! x.should == [] end it "should flatten array, remove nils and make unique" do x = [1, 'blip', ['blip', nil, 'c'], nil] x.flat_uniq! x.should == [1, 'blip', 'c'] end end describe '#sum' do it "should add elements in array" do [1, 2, 3].sum.should == 6 end end describe '#mean' do it "should find mean of elements in array" do [1, 2, 3].mean.should == 2 end end describe '#extract' do it "should call method on each element in array" do ["a", "ab", "abc"].extract(:size).mean.should == 2 end end describe '#none?' do it "should be none if no real values in array" do [nil, nil].none?.should be_true nil.none?.should be_true end end end end