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| defmodule SpecTest do | |
| require Integer | |
| use ExUnit.Case | |
| doctest Spec | |
| test "valid?/2" do | |
| assert Spec.valid?(&Integer.is_even/1, 2) | |
| refute Spec.valid?(&Integer.is_even/1, 1) | |
| assert Spec.valid?(MapSet.new([1, 2, 3]), 1) | |
| refute Spec.valid?(MapSet.new([1, 2, 3]), 9) | |
| end | |
| test "conform/2" do | |
| assert Spec.conform(&Integer.is_even/1, 2) == 2 | |
| assert Spec.conform(&Integer.is_even/1, 1) == Spec.Invalid | |
| assert Spec.conform(MapSet.new([1, 2, 3]), 1) == 1 | |
| assert Spec.conform(MapSet.new([1, 2, 3]), 9) == Spec.Invalid | |
| end | |
| test "and" do | |
| specs = [&Integer.is_even/1, fn v -> v < 10 end] | |
| assert Spec.conform({:and, specs}, 4) == 4 | |
| assert Spec.conform({:and, specs}, 12) == Spec.Invalid | |
| assert Spec.valid?({:and, specs}, 4) | |
| refute Spec.valid?({:and, specs}, 12) | |
| end | |
| test "or" do | |
| specs = [even: &Integer.is_even/1, less_than_10: fn v -> v < 10 end] | |
| assert Spec.conform({:or, specs}, 4) == {:even, 4} | |
| assert Spec.conform({:or, specs}, 9) == {:less_than_10, 9} | |
| assert Spec.conform({:or, specs}, 12) == {:even, 12} | |
| assert Spec.valid?({:or, specs}, 4) | |
| assert Spec.valid?({:or, specs}, 12) | |
| refute Spec.valid?({:or, specs}, 31) | |
| end | |
| test "keys" do | |
| specs = [ | |
| required: [ | |
| a: {:and, [&is_binary/1, fn v -> String.length(v) < 5 end]}, | |
| b: &is_integer/1 | |
| ], | |
| optional: [c: &is_atom/1] | |
| ] | |
| # required keys only | |
| assert Spec.conform({:keys, specs}, %{a: "hi", b: 8}) == %{a: "hi", b: 8} | |
| assert Spec.conform({:keys, specs}, %{a: "longer than 5", b: 8}) == Spec.Invalid | |
| assert Spec.conform({:keys, specs}, %{a: "hi"}) == Spec.Invalid | |
| assert Spec.conform({:keys, specs}, %{a: 842_848_024, b: "not an int"}) == Spec.Invalid | |
| # with opt | |
| assert Spec.conform({:keys, specs}, %{a: "hi", b: 8, c: :foo}) == %{a: "hi", b: 8, c: :foo} | |
| assert Spec.conform({:keys, specs}, %{a: "hi", b: 8, c: "nope"}) == Spec.Invalid | |
| # valid? | |
| assert Spec.valid?({:keys, specs}, %{a: "hi", b: 8}) | |
| refute Spec.valid?({:keys, specs}, %{a: "longer than 5", b: 8}) | |
| refute Spec.valid?({:keys, specs}, %{a: "hi"}) | |
| refute Spec.valid?({:keys, specs}, %{a: 842_848_024, b: "not an int"}) | |
| assert Spec.valid?({:keys, specs}, %{a: "hi", b: 8, c: :foo}) | |
| refute Spec.valid?({:keys, specs}, %{a: "hi", b: 8, c: "nope"}) | |
| end | |
| end |
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