dynamic-programming/test/newman_conway_test.rb at 5674e20c63df8532ce8d2dd37460a345d8837bec · Ada-C11/dynamic-programming · GitHub

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require_relative "test_helper"

describe "Newman Conway Tests" do
  it "works with 13" do
    # Arrange
    input = 13

    # Act
    answer = newman_conway(input)

    # Assert
    expect(answer).must_equal "1 1 2 2 3 4 4 4 5 6 7 7 8"
  end

  it "works with 20" do
    # Arrange
    input = 20

    # Act
    answer = newman_conway(input)

    # Assert
    expect(answer).must_equal "1 1 2 2 3 4 4 4 5 6 7 7 8 8 8 8 9 10 11 12"
  end

  it "works with base cases" do
    # Arrange
    input = 0

    # Act-Assert
    expect {
      newman_conway(input)
    }.must_raise ArgumentError

    # Arrange
    input = 1

    # Act
    answer = newman_conway(input)

    # Assert
    expect(answer).must_equal "1"

    # Arrange
    input = 2

    # Act
    answer = newman_conway(input)

    # Assert
    expect(answer).must_equal "1 1"
  end
end