89 lines
3.8 KiB
Elixir
89 lines
3.8 KiB
Elixir
defmodule Day4Test do
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use ExUnit.Case
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doctest Day4
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alias Day4.Timestamp
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test "parse event" do
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assert Day4.parse_event("[1518-11-01 00:00] Guard #10 begins shift") ==
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{%Timestamp{year: 1518, month: 11, day: 01, hour: 0, minute: 0},
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"Guard #10 begins shift"}
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end
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test "parse guard" do
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event =
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{%Timestamp{year: 1518, month: 11, day: 01, hour: 00, minute: 00}, "Guard #10 begins shift"}
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assert Day4.parse_guard(event) == "10"
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end
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test "sort events" do
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events = [
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{%Timestamp{year: 1518, month: 11, day: 01, hour: 00, minute: 05}, "falls asleep"},
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{%Timestamp{year: 1518, month: 11, day: 01, hour: 00, minute: 55}, "wakes up"},
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{%Timestamp{year: 1518, month: 11, day: 01, hour: 00, minute: 25}, "wakes up"},
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{%Timestamp{year: 1518, month: 11, day: 01, hour: 00, minute: 00},
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"Guard #10 begins shift"},
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{%Timestamp{year: 1518, month: 11, day: 01, hour: 00, minute: 30}, "falls asleep"}
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]
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assert Day4.sort_events(events) == [
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{%Timestamp{year: 1518, month: 11, day: 01, hour: 00, minute: 00},
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"Guard #10 begins shift"},
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{%Timestamp{year: 1518, month: 11, day: 01, hour: 00, minute: 05}, "falls asleep"},
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{%Timestamp{year: 1518, month: 11, day: 01, hour: 00, minute: 25}, "wakes up"},
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{%Timestamp{year: 1518, month: 11, day: 01, hour: 00, minute: 30}, "falls asleep"},
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{%Timestamp{year: 1518, month: 11, day: 01, hour: 00, minute: 55}, "wakes up"}
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]
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end
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test "get sleep times" do
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events = [
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{%Timestamp{year: 1518, month: 11, day: 1, hour: 0, minute: 0}, "Guard #10 begins shift"},
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{%Timestamp{year: 1518, month: 11, day: 1, hour: 0, minute: 5}, "falls asleep"},
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{%Timestamp{year: 1518, month: 11, day: 1, hour: 0, minute: 25}, "wakes up"},
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{%Timestamp{year: 1518, month: 11, day: 1, hour: 0, minute: 30}, "falls asleep"},
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{%Timestamp{year: 1518, month: 11, day: 1, hour: 0, minute: 55}, "wakes up"},
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{%Timestamp{year: 1518, month: 11, day: 1, hour: 23, minute: 58}, "Guard #99 begins shift"},
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{%Timestamp{year: 1518, month: 11, day: 2, hour: 0, minute: 40}, "falls asleep"},
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{%Timestamp{year: 1518, month: 11, day: 2, hour: 0, minute: 50}, "wakes up"},
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{%Timestamp{year: 1518, month: 11, day: 3, hour: 0, minute: 5}, "Guard #10 begins shift"},
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{%Timestamp{year: 1518, month: 11, day: 3, hour: 0, minute: 24}, "falls asleep"},
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{%Timestamp{year: 1518, month: 11, day: 3, hour: 0, minute: 29}, "wakes up"},
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{%Timestamp{year: 1518, month: 11, day: 4, hour: 0, minute: 2}, "Guard #99 begins shift"},
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{%Timestamp{year: 1518, month: 11, day: 4, hour: 0, minute: 36}, "falls asleep"},
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{%Timestamp{year: 1518, month: 11, day: 4, hour: 0, minute: 46}, "wakes up"},
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{%Timestamp{year: 1518, month: 11, day: 5, hour: 0, minute: 3}, "Guard #99 begins shift"},
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{%Timestamp{year: 1518, month: 11, day: 5, hour: 0, minute: 45}, "falls asleep"},
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{%Timestamp{year: 1518, month: 11, day: 5, hour: 0, minute: 55}, "wakes up"}
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]
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assert Day4.get_sleep_times(events) == [
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{"10", [5..25, 30..55, 24..29]},
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{"99", [40..50, 36..46, 45..55]}
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]
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end
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test "get max sleep time" do
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guards = [
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{"10", [5..25, 30..55, 24..29]},
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{"99", [40..50, 36..46, 45..55]}
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]
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assert Day4.get_max_sleep_time(guards) == {"10", 50, 24}
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end
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test "range containing" do
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assert Day4.range_containing([5..25, 30..55, 24..29]) == 5..55
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assert Day4.range_containing([40..50, 36..46, 45..55]) == 36..55
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end
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test "most frequent sleep time" do
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guards = [
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{"10", [5..25, 30..55, 24..29]},
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{"99", [40..50, 36..46, 45..55]}
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]
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assert Day4.get_most_frequent_sleep_time(guards) == {"99", 45, 3}
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end
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end
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