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spec/util_iterators_spec.lua @ 11040:c560531d9a6e
mod_external_services: Validate services added via events
While writing developer documentation it became obvious that i was silly
to have one item format for config and items API, and another format for
the event API.
Then there's the stanza format, but that's a common pattern.
This change reduces the possible input formats to two and allows other
modules the benefit of the processing and validation performed on items
from the config.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Mon, 17 Aug 2020 00:24:11 +0200 (2020-08-16) |
parent | 9328:a9592107021b |
child | 12744:e894677359e5 |
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local iter = require "util.iterators"; describe("util.iterators", function () describe("join", function () it("should produce a joined iterator", function () local expect = { "a", "b", "c", 1, 2, 3 }; local output = {}; for x in iter.join(iter.values({"a", "b", "c"})):append(iter.values({1, 2, 3})) do table.insert(output, x); end assert.same(output, expect); end); end); describe("sorted_pairs", function () it("should produce sorted pairs", function () local orig = { b = 1, c = 2, a = "foo", d = false }; local n, last_key = 0, nil; for k, v in iter.sorted_pairs(orig) do n = n + 1; if last_key then assert(k > last_key, "Expected "..k.." > "..last_key) end assert.equal(orig[k], v); last_key = k; end assert.equal("d", last_key); assert.equal(4, n); end); it("should allow a custom sort function", function () local orig = { b = 1, c = 2, a = "foo", d = false }; local n, last_key = 0, nil; for k, v in iter.sorted_pairs(orig, function (a, b) return a > b end) do n = n + 1; if last_key then assert(k < last_key, "Expected "..k.." > "..last_key) end assert.equal(orig[k], v); last_key = k; end assert.equal("a", last_key); assert.equal(4, n); end); end); end);