spec/util_datetime_spec.lua

   1 local util_datetime = require "util.datetime";
   2
   3 describe("util.datetime", function ()
   4         it("should have been loaded", function ()
   5                 assert.is_table(util_datetime);
   6         end);
   7         describe("#date", function ()
   8                 local date = util_datetime.date;
   9                 it("should exist", function ()
  10                         assert.is_function(date);
  11                 end);
  12                 it("should return a string", function ()
  13                         assert.is_string(date());
  14                 end);
  15                 it("should look like a date", function ()
  16                         assert.truthy(string.find(date(), "^%d%d%d%d%-%d%d%-%d%d$"));
  17                 end);
  18                 it("should work", function ()
  19                         assert.equals(date(1136239445), "2006-01-02");
  20                 end);
  21         end);
  22         describe("#time", function ()
  23                 local time = util_datetime.time;
  24                 it("should exist", function ()
  25                         assert.is_function(time);
  26                 end);
  27                 it("should return a string", function ()
  28                         assert.is_string(time());
  29                 end);
  30                 it("should look like a timestamp", function ()
  31                         -- Note: Sub-second precision and timezones are ignored
  32                         assert.truthy(string.find(time(), "^%d%d:%d%d:%d%d"));
  33                 end);
  34                 it("should work", function ()
  35                         assert.equals(time(1136239445), "22:04:05");
  36                 end);
  37         end);
  38         describe("#datetime", function ()
  39                 local datetime = util_datetime.datetime;
  40                 it("should exist", function ()
  41                         assert.is_function(datetime);
  42                 end);
  43                 it("should return a string", function ()
  44                         assert.is_string(datetime());
  45                 end);
  46                 it("should look like a timestamp", function ()
  47                         -- Note: Sub-second precision and timezones are ignored
  48                         assert.truthy(string.find(datetime(), "^%d%d%d%d%-%d%d%-%d%dT%d%d:%d%d:%d%d"));
  49                 end);
  50                 it("should work", function ()
  51                         assert.equals(datetime(1136239445), "2006-01-02T22:04:05Z");
  52                 end);
  53         end);
  54         describe("#legacy", function ()
  55                 local legacy = util_datetime.legacy;
  56                 it("should exist", function ()
  57                         assert.is_function(legacy);
  58                 end);
  59         end);
  60         describe("#parse", function ()
  61                 local parse = util_datetime.parse;
  62                 it("should exist", function ()
  63                         assert.is_function(parse);
  64                 end);
  65                 it("should work", function ()
  66                         -- Timestamp used by Go
  67                         assert.equals(parse("2017-11-19T17:58:13Z"),     1511114293);
  68                         assert.equals(parse("2017-11-19T18:58:50+0100"), 1511114330);
  69                         assert.equals(parse("2006-01-02T15:04:05-0700"), 1136239445);
  70                 end);
  71                 it("should handle timezones", function ()
  72                         -- https://xmpp.org/extensions/xep-0082.html#example-2 and 3
  73                         assert.equals(parse("1969-07-21T02:56:15Z"), parse("1969-07-20T21:56:15-05:00"));
  74                 end);
  75         end);
  76 end);