prosody
0b01f40df0f9
spec/util_ringbuffer_spec.lua

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spec/util_ringbuffer_spec.lua @ 13854:0b01f40df0f9 13.0

mod_http_file_share: Add media-src 'self' to Content-Security-Policy header This allows certain media files to be loaded when navigated to directly in a web browser. Note that in some browsers (Chrome), the media gets transformed internally into a HTML page with some basic styles, but these are blocked due to our default-src policy of 'none' Although this could be unblocked with style-src unsafe-inline, it is not our plan to fix this, because this would have negative security implications. The reason for our CSP is to prevent the file share service from being used to host malicious HTML/CSS/JS. Yes, CSS can be malicious. Our file share service is for uploading and downloading files, it is not a substitute for website/content hosting.
author Matthew Wild <mwild1@gmail.com>
date Fri, 18 Apr 2025 12:25:06 +0100
parent 10960:f84e0e2faae2
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
10897
37df1e757f02 util.ringbuffer: Add some initial tests
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1 local rb = require "util.ringbuffer";
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2 describe("util.ringbuffer", function ()
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3 describe("#new", function ()
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4 it("has a constructor", function ()
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5 assert.Function(rb.new);
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6 end);
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7 it("can be created", function ()
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8 assert.truthy(rb.new());
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9 end);
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10 it("won't create an empty buffer", function ()
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11 assert.has_error(function ()
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12 rb.new(0);
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13 end);
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14 end);
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15 it("won't create a negatively sized buffer", function ()
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16 assert.has_error(function ()
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17 rb.new(-1);
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18 end);
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19 end);
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20 end);
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21 describe(":write", function ()
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22 local b = rb.new();
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23 it("works", function ()
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24 assert.truthy(b:write("hi"));
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25 end);
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26 end);
10949
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27
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28 describe(":discard", function ()
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29 local b = rb.new();
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30 it("works", function ()
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31 assert.truthy(b:write("hello world"));
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32 assert.truthy(b:discard(6));
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33 assert.equal(5, #b);
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34 assert.equal("world", b:read(5));
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35 end);
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36 end);
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37
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38 describe(":sub", function ()
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39 -- Helper function to compare buffer:sub() with string:sub()
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40 local function test_sub(b, x, y)
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41 local s = b:read(#b, true);
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42 local string_result, buffer_result = s:sub(x, y), b:sub(x, y);
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43 assert.equals(string_result, buffer_result, ("buffer:sub(%d, %s) does not match string:sub()"):format(x, y and ("%d"):format(y) or "nil"));
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44 end
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45
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46 it("works", function ()
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47 local b = rb.new();
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48 assert.truthy(b:write("hello world"));
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49 assert.equals("hello", b:sub(1, 5));
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50 end);
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51
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52 it("supports optional end parameter", function ()
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53 local b = rb.new();
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54 assert.truthy(b:write("hello world"));
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55 assert.equals("hello world", b:sub(1));
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56 assert.equals("world", b:sub(-5));
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57 end);
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58
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59 it("is equivalent to string:sub", function ()
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60 local b = rb.new(6);
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61 assert.truthy(b:write("foobar"));
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62 b:read(3);
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63 b:write("foo");
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64 for i = -13, 13 do
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65 for j = -13, 13 do
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66 test_sub(b, i, j);
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67 end
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68 end
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69 end);
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70 end);
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71
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72 describe(":byte", function ()
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73 -- Helper function to compare buffer:byte() with string:byte()
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74 local function test_byte(b, x, y)
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75 local s = b:read(#b, true);
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76 local string_result, buffer_result = {s:byte(x, y)}, {b:byte(x, y)};
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77 assert.same(string_result, buffer_result, ("buffer:byte(%d, %s) does not match string:byte()"):format(x, y and ("%d"):format(y) or "nil"));
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78 end
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79
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80 it("is equivalent to string:byte", function ()
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81 local b = rb.new(6);
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82 assert.truthy(b:write("foobar"));
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83 b:read(3);
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84 b:write("foo");
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85 test_byte(b, 1);
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86 test_byte(b, 3);
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87 test_byte(b, -1);
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88 test_byte(b, -3);
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89 for i = -13, 13 do
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90 for j = -13, 13 do
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91 test_byte(b, i, j);
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92 end
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93 end
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94 end);
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95
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96 it("works with characters > 127", function ()
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97 local b = rb.new();
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98 b:write(string.char(0, 140));
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99 local r = { b:byte(1, 2) };
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100 assert.same({ 0, 140 }, r);
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101 end);
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102 end);
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103 end);