prosody
0db763f3f3be
spec/util_human_io_spec.lua

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spec/util_human_io_spec.lua @ 11593:0db763f3f3be

util.openmetrics: Prettify format of histogram buckets "%g" turns 1GB into 1.07374e+09, which is a bit awkward for the bytes measurements IMO. Turning up the precision, at "%.17g" turns 0.1 into 0.10000000000000001 while "%0.16" gives 0.1, hiding most of those pesky floating point artefacts. Lua version 5.2 uses "%.14g" ( see LUA_NUMBER_FMT in luaconf.h.html ) so it seems like a sensible choice here.
author Kim Alvefur <zash@zash.se>
date Tue, 08 Jun 2021 00:58:27 +0200
parent 10978:4d3247a1f6b3
child 11896:93e9f7ae2f9b
line wrap: on
line source

describe("util.human.io", function ()
	local human_io
	setup(function ()
		human_io = require "util.human.io";
	end);
	describe("table", function ()

		it("alignment works", function ()
			local row = human_io.table({
					{
						width = 3,
						align = "right"
					},
					{
						width = 3,
					},
				});

			assert.equal("  1 | .  ", row({ 1, "." }));
			assert.equal(" 10 | .. ", row({ 10, ".." }));
			assert.equal("100 | ...", row({ 100, "..." }));
			assert.equal("10… | ..…", row({ 1000, "...." }));

		end);
	end);
end);