95 lines
2.3 KiB
Elixir
95 lines
2.3 KiB
Elixir
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defmodule Mix.Tasks.AdventOfCode.Gen.Solution do
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use Mix.Task
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import Mix.Generator
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import Mix.AdventOfCode
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@shortdoc "Generate a new solution module"
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@moduledoc """
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#{@shortdoc}.
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Includes new solution module, test, and empty problem input.
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## Examples
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# Generate solution modules, tests, and empty input for Day 2
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$ mix advent_of_code.gen.solution 2
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"""
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@switches []
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@impl Mix.Task
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def run(args) do
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case OptionParser.parse!(args, switches: @switches) do
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{_, [day]} ->
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day_module = day_module(day)
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day_contents = day_template(mod: day_module) |> Code.format_string!()
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day_path = Path.join("lib", Macro.underscore(day_module))
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day_tests_path = Path.join("test", Macro.underscore(day_module))
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day_file = "#{day_path}.ex"
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create_directory(day_path)
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create_directory(day_tests_path)
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create_file(day_file, day_contents)
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for part <- 1..2 do
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part_module = part_module(day, part)
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part_contents =
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part_template(mod: part_module, day_mod: day_module) |> Code.format_string!()
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part_file = Path.join("lib", "#{Macro.underscore(part_module)}.ex")
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create_file(part_file, part_contents)
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part_test_module = Module.concat(day_module, Macro.camelize("Part#{part}Test"))
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part_test_contents =
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part_test_template(mod: part_module, test_mod: part_test_module)
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|> Code.format_string!()
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part_test_file =
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Path.join(day_tests_path, "#{Macro.underscore("part_#{part}_test")}.exs")
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create_file(part_test_file, part_test_contents)
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end
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_ ->
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Mix.raise("Unknown arguments.")
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end
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end
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embed_template(:day, ~S"""
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defmodule <%= inspect(@mod) %> do
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end
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""")
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embed_template(:part, ~S"""
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defmodule <%= inspect(@mod) %> do
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alias AdventOfCode.PuzzleSolver
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use PuzzleSolver
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import <%= inspect(@day_mod) %>, warn: false
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@impl PuzzleSolver
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def solve(_input_stream) do
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:ok |> to_string()
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end
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end
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""")
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embed_template(:part_test, ~S[
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defmodule <%= inspect(@test_mod) %> do
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use AdventOfCode.PuzzleCase, module: <%= inspect(@mod) %>
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test "returns :ok" do
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input = ~S"""
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input
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"""
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assert_solution input, "ok"
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end
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end
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])
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end
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