prosody
9a86e7cbdd79
spec/util_multitable_spec.lua

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spec/util_multitable_spec.lua @ 13262:9a86e7cbdd79

mod_storage_internal: Fix fast trimming of archive with exactly one item This method would previously never delete the first (and only) item since it works out which item should become the first item after the trim operation, which doesn't make sense when all should be removed. This also works as an optimization for when all the last item should be trimmed, thus items should be removed.
author Kim Alvefur <zash@zash.se>
date Sun, 24 Sep 2023 13:41:54 +0200
parent 8236:4878e4159e12
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 multitable = require "util.multitable";
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3
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4 describe("util.multitable", function()
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5 describe("#new()", function()
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6 it("should create a multitable", function()
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7 local mt = multitable.new();
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8 assert.is_table(mt, "Multitable is a table");
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9 assert.is_function(mt.add, "Multitable has method add");
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10 assert.is_function(mt.get, "Multitable has method get");
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11 assert.is_function(mt.remove, "Multitable has method remove");
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12 end);
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13 end);
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14
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15 describe("#get()", function()
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16 it("should allow getting correctly", function()
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17 local function has_items(list, ...)
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18 local should_have = {};
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19 if select('#', ...) > 0 then
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20 assert.is_table(list, "has_items: list is table", 3);
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21 else
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22 assert.is.falsy(list and #list > 0, "No items, and no list");
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23 return true, "has-all";
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24 end
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25 for n=1,select('#', ...) do should_have[select(n, ...)] = true; end
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26 for _, item in ipairs(list) do
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27 if not should_have[item] then return false, "too-many"; end
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28 should_have[item] = nil;
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29 end
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30 if next(should_have) then
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31 return false, "not-enough";
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32 end
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33 return true, "has-all";
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34 end
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35 local function assert_has_all(message, list, ...)
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36 return assert.are.equal(select(2, has_items(list, ...)), "has-all", message or "List has all expected items, and no more", 2);
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37 end
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38
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39 local mt = multitable.new();
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40
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41 local trigger1, trigger2, trigger3 = {}, {}, {};
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42 local item1, item2, item3 = {}, {}, {};
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43
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44 assert_has_all("Has no items with trigger1", mt:get(trigger1));
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45
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46
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47 mt:add(1, 2, 3, item1);
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48
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49 assert_has_all("Has item1 for 1, 2, 3", mt:get(1, 2, 3), item1);
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50 end);
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51 end);
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52
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53 -- Doesn't support nil
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54 --[[ mt:add(nil, item1);
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55 mt:add(nil, item2);
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56 mt:add(nil, item3);
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57
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58 assert_has_all("Has all items with (nil)", mt:get(nil), item1, item2, item3);
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59 ]]
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60 end);