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if !System.get_env("EXERCISM_TEST_EXAMPLES") do
Code.load_file("accumulate.exs", __DIR__)
end
ExUnit.start()
ExUnit.configure(exclude: :pending, trace: true)
defmodule AccumulateTest do
use ExUnit.Case
test "accumulate empty list" do
assert Accumulate.accumulate([], fn n -> n * n end) == []
end
@tag :pending
test "accumulate square numbers" do
assert Accumulate.accumulate([1, 2, 3], fn n -> n * n end) == [1, 4, 9]
end
@tag :pending
test "accumulate upcased strings" do
fun = fn w -> String.upcase(w) end
assert Accumulate.accumulate(["hello", "world"], fun) == ["HELLO", "WORLD"]
end
@tag :pending
test "accumulate reversed strings" do
fun = fn w -> String.reverse(w) end
words = ~w(the quick brown fox etc)
expected = ["eht", "kciuq", "nworb", "xof", "cte"]
assert Accumulate.accumulate(words, fun) == expected
end
@tag :pending
test "nested accumulate" do
chars = ~w(a b c)
nums = ~w(1 2 3)
fun = fn c -> Accumulate.accumulate(nums, &(c <> &1)) end
expected = [["a1", "a2", "a3"], ["b1", "b2", "b3"], ["c1", "c2", "c3"]]
assert Accumulate.accumulate(chars, fun) == expected
end
end
Version data entries
69 entries across 69 versions & 1 rubygems