prosody
4878e4159e12
spec/util_queue_spec.lua

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spec/util_queue_spec.lua @ 8236:4878e4159e12

Port tests to the `busted` test runner
author Waqas Hussain <waqas20@gmail.com>
date Fri, 15 Sep 2017 17:07:57 -0400
child 8240:c803624cae3d
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
8236
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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
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41 assert.is_true(q:push(1));
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42 for i = 1, 1001 do
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43 assert.are.equal(q:pop(), i);
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44 assert.are.equal(q:count(), 0);
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45 assert.is_true(q:push(i+1));
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46 assert.are.equal(q:count(), 1);
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47 end
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48 assert.are.equal(q:pop(), 1002);
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49 assert.is_true(q:push(1));
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50 for i = 1, 1000 do
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51 assert.are.equal(q:pop(), i);
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52 assert.is_true(q:push(i+1));
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53 end
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54 assert.are.equal(q:pop(), 1001);
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55 assert.are.equal(q:count(), 0);
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56 end
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57
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58 do
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59 -- Test queues that purge old items when pushing to a full queue
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60 local q = queue.new(10, true);
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61
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62 for i = 1, 10 do
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63 q:push(i);
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64 end
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65
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66 assert.are.equal(q:count(), 10);
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67
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68 assert.is_true(q:push(11));
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69 assert.are.equal(q:count(), 10);
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70 assert.are.equal(q:pop(), 2); -- First item should have been purged
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71
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72 for i = 12, 32 do
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73 assert.is_true(q:push(i));
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74 end
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75
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76 assert.are.equal(q:count(), 10);
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77 assert.are.equal(q:pop(), 23);
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78 end
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79
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80 end);
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81 end);
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82 end);