prosody
feaef6215bb8
spec/util_queue_spec.lua

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spec/util_queue_spec.lua @ 9307:feaef6215bb8

util.stanza: Don't automatically generate ids for iq stanzas Users of this API should provide their own id attribute that meets their uniqueness requirements. The current implementation leaks information (i.e. how many iq stanzas have been sent by the server to other JIDs). Providing any strong guarantees of randomness here would need to pull in additional dependencies that we don't want in this simple library.
author Matthew Wild <mwild1@gmail.com>
date Thu, 13 Sep 2018 16:35:48 +0100
parent 8240:c803624cae3d
child 9901:c8b75239846c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1
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2 local queue = require "util.queue";
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3
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4 describe("util.queue", function()
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5 describe("#new()", function()
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6 it("should work", function()
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7
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8 do
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9 local q = queue.new(10);
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10
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11 assert.are.equal(q.size, 10);
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12 assert.are.equal(q:count(), 0);
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13
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14 assert.is_true(q:push("one"));
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15 assert.is_true(q:push("two"));
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16 assert.is_true(q:push("three"));
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17
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18 for i = 4, 10 do
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19 assert.is_true(q:push("hello"));
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20 assert.are.equal(q:count(), i, "count is not "..i.."("..q:count()..")");
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21 end
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22 assert.are.equal(q:push("hello"), nil, "queue overfull!");
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23 assert.are.equal(q:push("hello"), nil, "queue overfull!");
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24 assert.are.equal(q:pop(), "one", "queue item incorrect");
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25 assert.are.equal(q:pop(), "two", "queue item incorrect");
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26 assert.is_true(q:push("hello"));
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27 assert.is_true(q:push("hello"));
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28 assert.are.equal(q:pop(), "three", "queue item incorrect");
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29 assert.is_true(q:push("hello"));
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30 assert.are.equal(q:push("hello"), nil, "queue overfull!");
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31 assert.are.equal(q:push("hello"), nil, "queue overfull!");
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32
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33 assert.are.equal(q:count(), 10, "queue count incorrect");
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34
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35 for _ = 1, 10 do
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36 assert.are.equal(q:pop(), "hello", "queue item incorrect");
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37 end
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38
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39 assert.are.equal(q:count(), 0, "queue count incorrect");
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40 assert.are.equal(q:pop(), nil, "empty queue pops non-nil result");
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41 assert.are.equal(q:count(), 0, "popping empty queue affects count");
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42
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43 assert.are.equal(q:peek(), nil, "empty queue peeks non-nil result");
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44 assert.are.equal(q:count(), 0, "peeking empty queue affects count");
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45
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46 assert.is_true(q:push(1));
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47 for i = 1, 1001 do
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48 assert.are.equal(q:pop(), i);
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49 assert.are.equal(q:count(), 0);
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50 assert.is_true(q:push(i+1));
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51 assert.are.equal(q:count(), 1);
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52 end
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53 assert.are.equal(q:pop(), 1002);
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54 assert.is_true(q:push(1));
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55 for i = 1, 1000 do
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56 assert.are.equal(q:pop(), i);
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57 assert.is_true(q:push(i+1));
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58 end
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59 assert.are.equal(q:pop(), 1001);
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60 assert.are.equal(q:count(), 0);
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61 end
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62
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63 do
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64 -- Test queues that purge old items when pushing to a full queue
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65 local q = queue.new(10, true);
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66
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67 for i = 1, 10 do
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68 q:push(i);
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69 end
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70
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71 assert.are.equal(q:count(), 10);
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72
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73 assert.is_true(q:push(11));
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74 assert.are.equal(q:count(), 10);
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75 assert.are.equal(q:pop(), 2); -- First item should have been purged
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76 assert.are.equal(q:peek(), 3);
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77
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78 for i = 12, 32 do
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79 assert.is_true(q:push(i));
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80 end
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81
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82 assert.are.equal(q:count(), 10);
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83 assert.are.equal(q:pop(), 23);
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84 end
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85
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86 do
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87 -- Test iterator
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88 local q = queue.new(10, true);
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89
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90 for i = 1, 10 do
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91 q:push(i);
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92 end
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93
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94 local i = 0;
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95 for item in q:items() do
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96 i = i + 1;
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97 assert.are.equal(item, i, "unexpected item returned by iterator")
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98 end
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99 end
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100
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101 end);
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102 end);
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103 end);