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BDD testing framework for Elixir inspired by RSpec.
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Files
lib/espec/assertions/enum/have_count.ex
defmodule ESpec.Assertions.Enum.HaveCount do
use ESpec.Assertions.Interface
defp match(enum, val) do
result = Enum.count(enum)
{result == val, result}
end
defp success_message(enum, val, _result, positive) do
to = if positive, do: "has", else: "doesn't have"
"`#{inspect enum}` #{to} count `#{val}`."
end
defp error_message(enum, val, result, positive) do
to = if positive, do: "to", else: "to not"
"Expected `#{inspect enum}` #{to} have count `#{val}` but it has `#{result}` elements."
end
end