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December 5, 2013 15:31
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Tests for challenge 11 of the FMI ruby course
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| require 'spec_helper' | |
| ivan = Student.new 'Иван', 10, :second | |
| mariya = Student.new 'Мария', 12, :first | |
| neycho = Student.new 'Нейчо', 9, :third | |
| students = [ivan, mariya, neycho] | |
| describe "Array#to_proc" do | |
| it "works for a single element" do | |
| [:abs].to_proc.call(-42).should eq [42] | |
| end | |
| it 'should work for arrays with multiple elements' do |variable| | |
| [:points, :name].to_proc.call(ivan) # => [10, 'Иван'] | |
| end | |
| it "should work with ampersand" do | |
| expect(students.map(&[:name, :rank])).to eq [['Иван', :second], | |
| ['Мария', :first], | |
| ['Нейчо', :third]] | |
| end | |
| end | |
| describe "Hash#to_proc" do | |
| let(:student) { Class.new { attr_accessor :points, :rank }.new } | |
| it "sets the properties of the object which correspond to its key value pairs" do | |
| {points: 0}.to_proc.call(student) | |
| student.points.should eq 0 | |
| end | |
| it "should work with ampersand" do | |
| students.each &{points: 0, rank: :last} | |
| expect(students.map(&:points)).to eq [0, 0, 0] | |
| expect(students.map(&:rank)).to eq [:last, :last, :last] | |
| end | |
| end |
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Тук е добра идея да си inline-неш този
Studentклас. Или дори да го направиш анонимен такъв.