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solve_spec.rb
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solve_spec.rb
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require_relative '../solve'
RSpec.describe Solve do
describe '::count_containers' do
it 'correct example output' do
input = <<-INPUT
light red bags contain 1 bright white bag, 2 muted yellow bags.
dark orange bags contain 3 bright white bags, 4 muted yellow bags.
bright white bags contain 1 shiny gold bag.
muted yellow bags contain 2 shiny gold bags, 9 faded blue bags.
shiny gold bags contain 1 dark olive bag, 2 vibrant plum bags.
dark olive bags contain 3 faded blue bags, 4 dotted black bags.
vibrant plum bags contain 5 faded blue bags, 6 dotted black bags.
faded blue bags contain no other bags.
dotted black bags contain no other bags.
INPUT
result = Solve.count_containers(:shiny_gold, input)
expect(result).to eq(4)
end
end
describe '::count_contents' do
it 'correct example output' do
input = <<-INPUT
light red bags contain 1 bright white bag, 2 muted yellow bags.
dark orange bags contain 3 bright white bags, 4 muted yellow bags.
bright white bags contain 1 shiny gold bag.
muted yellow bags contain 2 shiny gold bags, 9 faded blue bags.
shiny gold bags contain 1 dark olive bag, 2 vibrant plum bags.
dark olive bags contain 3 faded blue bags, 4 dotted black bags.
vibrant plum bags contain 5 faded blue bags, 6 dotted black bags.
faded blue bags contain no other bags.
dotted black bags contain no other bags.
INPUT
result = Solve.count_contents(:shiny_gold, input)
expect(result).to eq(32)
end
end
describe '::parse_line' do
it 'parses one contained bag' do
line = 'light red bags contain 1 bright white bag.'
result = Solve.parse_line(line)
expected = {
light_red: {
contains: [
{
count: 1,
name: :bright_white
}
],
},
bright_white: {
contained_by: [:light_red],
},
}
expect(result).to eq(expected)
end
it 'parses two contained bags' do
line = 'light red bags contain 1 bright white bag, 2 muted yellow bags.'
result = Solve.parse_line(line)
expected = {
light_red: {
contains: [
{count: 1, name: :bright_white},
{count: 2, name: :muted_yellow},
]
},
bright_white: {
contained_by: [:light_red]
},
muted_yellow: {
contained_by: [:light_red],
}
}
expect(result).to eq(expected)
end
end
end