File

spec/util_interpolation_spec.lua @ 13130:0b650a54ff9a

doc/hgrc-email: Example config for using 'hg email' to contribute The initial setup can be tricky if you don't know what and were settings should be added. This should maybe also go into site/doc/contributing
author Kim Alvefur <zash@zash.se>
date Wed, 07 Jun 2023 16:56:53 +0200
parent 11308:5d4d90d1eabb
line wrap: on
line source

local template = [[
{greet!?Hi}, {name?world}!
]];
local expect1 = [[
Hello, WORLD!
]];
local expect2 = [[
Hello, world!
]];
local expect3 = [[
Hi, YOU!
]];
local template_array = [[
{foo#{idx}. {item}
}]]
local expect_array = [[
1. HELLO
2. WORLD
]]
local template_func_pipe = [[
{foo|sort#{idx}. {item}
}]]
local expect_func_pipe = [[
1. A
2. B
3. C
4. D
]]
local template_map = [[
{foo%{idx}: {item!}
}]]
local expect_map = [[
FOO: bar
]]
local template_not = [[
{thing~Thing is falsy}{thing&Thing is truthy}
]]
local expect_not_true = [[
Thing is truthy
]]
local expect_not_nil = [[
Thing is falsy
]]
local expect_not_false = [[
Thing is falsy
]]
describe("util.interpolation", function ()
	it("renders", function ()
		local render = require "util.interpolation".new("%b{}", string.upper, { sort = function (t) table.sort(t) return t end });
		assert.equal(expect1, render(template, { greet = "Hello", name = "world" }));
		assert.equal(expect2, render(template, { greet = "Hello" }));
		assert.equal(expect3, render(template, { name = "you" }));
		assert.equal(expect_array, render(template_array, { foo = { "Hello", "World" } }));
		assert.equal(expect_func_pipe, render(template_func_pipe, { foo = { "c", "a", "d", "b", } }));
		-- assert.equal("", render(template_func_pipe, { foo = nil })); -- FIXME
		assert.equal(expect_map, render(template_map, { foo = { foo = "bar" } }));
		assert.equal(expect_not_true, render(template_not, { thing = true }));
		assert.equal(expect_not_nil, render(template_not, { thing = nil }));
		assert.equal(expect_not_false, render(template_not, { thing = false }));
	end);
	it("fixes #1623", function ()
		local render = require "util.interpolation".new("%b{}", string.upper, { x = string.lower });
		assert.equal("", render("{foo?}", {  }))
		assert.equal("", render("{foo|x?}", {  }))
	end);
end);