File

spec/util_datetime_spec.lua @ 13039:9ddb344b9fab

util.human.io: Allow defining per column ellipsis function As an alternative to doing it in the mapper function. Could be useful in cases where one may want to put the ellipsis in the middle or beginning instead of the start.
author Kim Alvefur <zash@zash.se>
date Fri, 07 Apr 2023 13:00:58 +0200
parent 12755:a09dacf660d2
line wrap: on
line source

local util_datetime = require "util.datetime";

describe("util.datetime", function ()
	it("should have been loaded", function ()
		assert.is_table(util_datetime);
	end);
	describe("#date", function ()
		local date = util_datetime.date;
		it("should exist", function ()
			assert.is_function(date);
		end);
		it("should return a string", function ()
			assert.is_string(date());
		end);
		it("should look like a date", function ()
			assert.truthy(string.find(date(), "^%d%d%d%d%-%d%d%-%d%d$"));
		end);
		it("should work", function ()
			assert.equals("2006-01-02", date(1136239445));
		end);
		it("should ignore fractional parts", function ()
			assert.equals("2006-01-02", date(1136239445.5));
		end);
	end);
	describe("#time", function ()
		local time = util_datetime.time;
		it("should exist", function ()
			assert.is_function(time);
		end);
		it("should return a string", function ()
			assert.is_string(time());
		end);
		it("should look like a timestamp", function ()
			-- Note: Sub-second precision and timezones are ignored
			assert.truthy(string.find(time(), "^%d%d:%d%d:%d%d"));
		end);
		it("should work", function ()
			assert.equals("22:04:05", time(1136239445));
		end);
		it("should handle precision", function ()
			assert.equal("14:46:31.158200", time(1660488391.1582))
			assert.equal("14:46:32.158200", time(1660488392.1582))
			assert.equal("14:46:33.158200", time(1660488393.1582))
			assert.equal("14:46:33.999900", time(1660488393.9999))
		end)
	end);
	describe("#datetime", function ()
		local datetime = util_datetime.datetime;
		it("should exist", function ()
			assert.is_function(datetime);
		end);
		it("should return a string", function ()
			assert.is_string(datetime());
		end);
		it("should look like a timestamp", function ()
			-- Note: Sub-second precision and timezones are ignored
			assert.truthy(string.find(datetime(), "^%d%d%d%d%-%d%d%-%d%dT%d%d:%d%d:%d%d"));
		end);
		it("should work", function ()
			assert.equals("2006-01-02T22:04:05Z", datetime(1136239445));
		end);
		it("should handle precision", function ()
			assert.equal("2022-08-14T14:46:31.158200Z", datetime(1660488391.1582))
			assert.equal("2022-08-14T14:46:32.158200Z", datetime(1660488392.1582))
			assert.equal("2022-08-14T14:46:33.158200Z", datetime(1660488393.1582))
			assert.equal("2022-08-14T14:46:33.999900Z", datetime(1660488393.9999))
		end)
	end);
	describe("#legacy", function ()
		local legacy = util_datetime.legacy;
		it("should exist", function ()
			assert.is_function(legacy);
		end);
		it("should not add precision", function ()
			assert.equal("20220814T14:46:31", legacy(1660488391.1582));
		end);
	end);
	describe("#parse", function ()
		local parse = util_datetime.parse;
		it("should exist", function ()
			assert.is_function(parse);
		end);
		it("should work", function ()
			-- Timestamp used by Go
			assert.equals(1511114293, parse("2017-11-19T17:58:13Z"));
			assert.equals(1511114330, parse("2017-11-19T18:58:50+0100"));
			assert.equals(1136239445, parse("2006-01-02T15:04:05-0700"));
			assert.equals(1136239445, parse("2006-01-02T15:04:05-07"));
		end);
		it("should handle timezones", function ()
			-- https://xmpp.org/extensions/xep-0082.html#example-2 and 3
			assert.equals(parse("1969-07-21T02:56:15Z"), parse("1969-07-20T21:56:15-05:00"));
		end);
		it("should handle precision", function ()
			-- floating point comparison is not an exact science
			assert.truthy(math.abs(1660488392.1582 - parse("2022-08-14T14:46:32.158200Z")) < 0.001)
		end)
		it("should return nil when given invalid inputs", function ()
			assert.is_nil(parse(nil));
			assert.is_nil(parse("hello world"));
			assert.is_nil(parse("2017-11-19T18:58:50$0100"));
		end);
	end);
end);