File

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