prosody
e385f3a06673
spec/util_interpolation_spec.lua

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spec/util_interpolation_spec.lua @ 12995:e385f3a06673

moduleapi: Add 'peek' to :may() and new :could() helper to suppress logging The current method logs scary "access denied" messages on failure - this is generally very useful when debugging access control stuff, but in some cases the call is simply a check to see if someone *could* perform an action, even if they haven't requested it yet. One example is determining whether to show the user as an admin in disco. The 'peek' parameter, if true, will suppress such logging. The :could() method is just a simple helper that can make the calling code a bit more readable (suggested by Zash).
author Matthew Wild <mwild1@gmail.com>
date Sun, 26 Mar 2023 14:06:04 +0100
parent 11308:5d4d90d1eabb
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1 local template = [[
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2 {greet!?Hi}, {name?world}!
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3 ]];
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4 local expect1 = [[
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5 Hello, WORLD!
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6 ]];
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7 local expect2 = [[
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8 Hello, world!
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9 ]];
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10 local expect3 = [[
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11 Hi, YOU!
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12 ]];
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13 local template_array = [[
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14 {foo#{idx}. {item}
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15 }]]
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16 local expect_array = [[
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17 1. HELLO
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18 2. WORLD
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19 ]]
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20 local template_func_pipe = [[
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21 {foo|sort#{idx}. {item}
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22 }]]
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23 local expect_func_pipe = [[
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24 1. A
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25 2. B
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26 3. C
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27 4. D
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28 ]]
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29 local template_map = [[
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30 {foo%{idx}: {item!}
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31 }]]
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32 local expect_map = [[
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33 FOO: bar
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34 ]]
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35 local template_not = [[
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36 {thing~Thing is falsy}{thing&Thing is truthy}
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37 ]]
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38 local expect_not_true = [[
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39 Thing is truthy
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40 ]]
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41 local expect_not_nil = [[
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42 Thing is falsy
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43 ]]
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44 local expect_not_false = [[
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45 Thing is falsy
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46 ]]
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47 describe("util.interpolation", function ()
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48 it("renders", function ()
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49 local render = require "util.interpolation".new("%b{}", string.upper, { sort = function (t) table.sort(t) return t end });
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50 assert.equal(expect1, render(template, { greet = "Hello", name = "world" }));
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51 assert.equal(expect2, render(template, { greet = "Hello" }));
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52 assert.equal(expect3, render(template, { name = "you" }));
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53 assert.equal(expect_array, render(template_array, { foo = { "Hello", "World" } }));
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54 assert.equal(expect_func_pipe, render(template_func_pipe, { foo = { "c", "a", "d", "b", } }));
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55 -- assert.equal("", render(template_func_pipe, { foo = nil })); -- FIXME
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56 assert.equal(expect_map, render(template_map, { foo = { foo = "bar" } }));
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57 assert.equal(expect_not_true, render(template_not, { thing = true }));
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58 assert.equal(expect_not_nil, render(template_not, { thing = nil }));
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59 assert.equal(expect_not_false, render(template_not, { thing = false }));
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60 end);
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61 it("fixes #1623", function ()
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62 local render = require "util.interpolation".new("%b{}", string.upper, { x = string.lower });
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63 assert.equal("", render("{foo?}", { }))
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64 assert.equal("", render("{foo|x?}", { }))
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65 end);
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66 end);