local template = [[

{greet!?Hi}, {name?world}!

]];

local expect1 = [[

Hello, WORLD!

]];

local expect2 = [[

Hello, world!

]];

local expect3 = [[

Hi, YOU!

]];

describe("util.interpolation", function ()

	it("renders", function ()

		local render = require "util.interpolation".new("%b{}", string.upper);

		assert.equal(expect1, render(template, { greet = "Hello", name = "world" }));

		assert.equal(expect2, render(template, { greet = "Hello" }));

		assert.equal(expect3, render(template, { name = "you" }));

	end);

end);