prosody
16b47c3b44f3
spec/util_iterators_spec.lua

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spec/util_iterators_spec.lua @ 13011:16b47c3b44f3

mod_invites_register: Allow roles to be an ordered list, first being primary Part of an update to mod_invites and friends to the new authz and roles. Invites with roles in the old way will need to be migrated, but with invites often being short lived it is probably not a long-lived problem.
author Kim Alvefur <zash@zash.se>
date Thu, 30 Mar 2023 11:05:40 +0200
parent 12744:e894677359e5
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1 local iter = require "util.iterators";
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2
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3 describe("util.iterators", function ()
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4 describe("join", function ()
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5 it("should produce a joined iterator", function ()
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6 local expect = { "a", "b", "c", 1, 2, 3 };
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7 local output = {};
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8 for x in iter.join(iter.values({"a", "b", "c"})):append(iter.values({1, 2, 3})) do
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9 table.insert(output, x);
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10 end
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11 assert.same(output, expect);
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12 end);
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13 it("should work with only a single iterator", function ()
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14 local expect = { "a", "b", "c" };
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15 local output = {};
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16 for x in iter.join(iter.values({"a", "b", "c"})) do
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17 table.insert(output, x);
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18 end
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19 assert.same(output, expect);
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20 end);
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21 end);
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22
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23 describe("sorted_pairs", function ()
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24 it("should produce sorted pairs", function ()
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25 local orig = { b = 1, c = 2, a = "foo", d = false };
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26 local n, last_key = 0, nil;
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27 for k, v in iter.sorted_pairs(orig) do
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28 n = n + 1;
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29 if last_key then
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30 assert(k > last_key, "Expected "..k.." > "..last_key)
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31 end
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32 assert.equal(orig[k], v);
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33 last_key = k;
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34 end
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35 assert.equal("d", last_key);
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36 assert.equal(4, n);
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37 end);
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38
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39 it("should allow a custom sort function", function ()
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40 local orig = { b = 1, c = 2, a = "foo", d = false };
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41 local n, last_key = 0, nil;
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42 for k, v in iter.sorted_pairs(orig, function (a, b) return a > b end) do
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43 n = n + 1;
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44 if last_key then
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45 assert(k < last_key, "Expected "..k.." > "..last_key)
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46 end
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47 assert.equal(orig[k], v);
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48 last_key = k;
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49 end
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50 assert.equal("a", last_key);
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51 assert.equal(4, n);
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52 end);
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53 end);
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54 end);