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October 6, 2014 21:05
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Ejercicio Ruby: Curso y Alumnos
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class Curso | |
def initialize(nombre) | |
@nombre = nombre | |
end | |
end | |
class Alumno | |
end | |
describe "Curso" do | |
let (:algebra) { | |
algebra = Curso.new("Algebra") | |
algebra.ponNota(234,2.0) | |
algebra.ponNota(245,1.0) | |
algebra.ponNota(267,3.0) | |
algebra | |
} | |
let (:vacio) { Curso.new("vacio")} | |
it "Debe dar error al calcular la nota media de un curso sin alumnos" do | |
expect{vacio.media}.to raise_error(RuntimeError) | |
end | |
it "Encuentra la nota de un alumno" do | |
expect(algebra.getNota(245)).to be_within(0.01).of(1.0) | |
end | |
it "Calcula la nota media de un curso con 3 alumnos" do | |
expect(algebra.media).to be_within(0.01).of(2.0) | |
end | |
it "Poner nota a un alumno" do | |
algebra.ponNota(246,4.0) | |
expect(algebra.media).to be_within(0.01).of(2.5) | |
end | |
it "Debe dar error al calcular la nota de un alumno que no exista" do | |
expect{algebra.getNota(666)}.to raise_error(RuntimeError) | |
end | |
it "Debe actualizar la nota de un alumno que existe" do | |
algebra.ponNota(245,5.0) | |
expect(algebra.getNota(245)).to be_within(0.01).of(5.0) | |
end | |
it "Debe dar error al intentar introducir una nota que no sea un número flotante" do | |
expect{algebra.ponNota(245,"No presentado")}.to raise_error(ArgumentError) | |
end | |
end |
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