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a09dacf660d2
spec/util_datetime_spec.lua

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spec/util_datetime_spec.lua @ 12755:a09dacf660d2

util.datetime: Add some missing test cases You guessed it, mutation testing.
author Matthew Wild <mwild1@gmail.com>
date Sat, 08 Oct 2022 23:55:22 +0100
parent 12629:4c1d3f817063
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1 local util_datetime = require "util.datetime";
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2
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3 describe("util.datetime", function ()
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4 it("should have been loaded", function ()
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5 assert.is_table(util_datetime);
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6 end);
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7 describe("#date", function ()
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8 local date = util_datetime.date;
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9 it("should exist", function ()
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10 assert.is_function(date);
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11 end);
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12 it("should return a string", function ()
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13 assert.is_string(date());
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14 end);
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15 it("should look like a date", function ()
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16 assert.truthy(string.find(date(), "^%d%d%d%d%-%d%d%-%d%d$"));
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17 end);
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18 it("should work", function ()
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19 assert.equals("2006-01-02", date(1136239445));
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20 end);
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21 it("should ignore fractional parts", function ()
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22 assert.equals("2006-01-02", date(1136239445.5));
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23 end);
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24 end);
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25 describe("#time", function ()
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26 local time = util_datetime.time;
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27 it("should exist", function ()
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28 assert.is_function(time);
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29 end);
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30 it("should return a string", function ()
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31 assert.is_string(time());
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32 end);
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33 it("should look like a timestamp", function ()
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34 -- Note: Sub-second precision and timezones are ignored
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35 assert.truthy(string.find(time(), "^%d%d:%d%d:%d%d"));
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36 end);
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37 it("should work", function ()
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38 assert.equals("22:04:05", time(1136239445));
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39 end);
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40 it("should handle precision", function ()
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41 assert.equal("14:46:31.158200", time(1660488391.1582))
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42 assert.equal("14:46:32.158200", time(1660488392.1582))
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43 assert.equal("14:46:33.158200", time(1660488393.1582))
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44 assert.equal("14:46:33.999900", time(1660488393.9999))
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45 end)
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46 end);
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47 describe("#datetime", function ()
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48 local datetime = util_datetime.datetime;
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49 it("should exist", function ()
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50 assert.is_function(datetime);
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51 end);
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52 it("should return a string", function ()
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53 assert.is_string(datetime());
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54 end);
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55 it("should look like a timestamp", function ()
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56 -- Note: Sub-second precision and timezones are ignored
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57 assert.truthy(string.find(datetime(), "^%d%d%d%d%-%d%d%-%d%dT%d%d:%d%d:%d%d"));
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58 end);
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59 it("should work", function ()
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60 assert.equals("2006-01-02T22:04:05Z", datetime(1136239445));
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61 end);
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62 it("should handle precision", function ()
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63 assert.equal("2022-08-14T14:46:31.158200Z", datetime(1660488391.1582))
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64 assert.equal("2022-08-14T14:46:32.158200Z", datetime(1660488392.1582))
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65 assert.equal("2022-08-14T14:46:33.158200Z", datetime(1660488393.1582))
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66 assert.equal("2022-08-14T14:46:33.999900Z", datetime(1660488393.9999))
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67 end)
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68 end);
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69 describe("#legacy", function ()
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70 local legacy = util_datetime.legacy;
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71 it("should exist", function ()
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72 assert.is_function(legacy);
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73 end);
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74 it("should not add precision", function ()
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75 assert.equal("20220814T14:46:31", legacy(1660488391.1582));
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76 end);
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77 end);
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78 describe("#parse", function ()
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79 local parse = util_datetime.parse;
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80 it("should exist", function ()
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81 assert.is_function(parse);
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82 end);
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83 it("should work", function ()
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84 -- Timestamp used by Go
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85 assert.equals(1511114293, parse("2017-11-19T17:58:13Z"));
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86 assert.equals(1511114330, parse("2017-11-19T18:58:50+0100"));
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87 assert.equals(1136239445, parse("2006-01-02T15:04:05-0700"));
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88 assert.equals(1136239445, parse("2006-01-02T15:04:05-07"));
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89 end);
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90 it("should handle timezones", function ()
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91 -- https://xmpp.org/extensions/xep-0082.html#example-2 and 3
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92 assert.equals(parse("1969-07-21T02:56:15Z"), parse("1969-07-20T21:56:15-05:00"));
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93 end);
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94 it("should handle precision", function ()
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95 -- floating point comparison is not an exact science
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96 assert.truthy(math.abs(1660488392.1582 - parse("2022-08-14T14:46:32.158200Z")) < 0.001)
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97 end)
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98 it("should return nil when given invalid inputs", function ()
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99 assert.is_nil(parse(nil));
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100 assert.is_nil(parse("hello world"));
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101 assert.is_nil(parse("2017-11-19T18:58:50$0100"));
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102 end);
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103 end);
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104 end);