Software /
code /
prosody
File
spec/util_ringbuffer_spec.lua @ 11568:d5360307a99d
mod_http_file_share: Handle out of bounds Range request
Turns out you can seek past the end of the file without getting an
error.
Also rejects empty range instead of sending the whole file.
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Mon, 17 May 2021 14:14:25 +0200 |
parent | 10960:f84e0e2faae2 |
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local rb = require "util.ringbuffer"; describe("util.ringbuffer", function () describe("#new", function () it("has a constructor", function () assert.Function(rb.new); end); it("can be created", function () assert.truthy(rb.new()); end); it("won't create an empty buffer", function () assert.has_error(function () rb.new(0); end); end); it("won't create a negatively sized buffer", function () assert.has_error(function () rb.new(-1); end); end); end); describe(":write", function () local b = rb.new(); it("works", function () assert.truthy(b:write("hi")); end); end); describe(":discard", function () local b = rb.new(); it("works", function () assert.truthy(b:write("hello world")); assert.truthy(b:discard(6)); assert.equal(5, #b); assert.equal("world", b:read(5)); end); end); describe(":sub", function () -- Helper function to compare buffer:sub() with string:sub() local function test_sub(b, x, y) local s = b:read(#b, true); local string_result, buffer_result = s:sub(x, y), b:sub(x, y); assert.equals(string_result, buffer_result, ("buffer:sub(%d, %s) does not match string:sub()"):format(x, y and ("%d"):format(y) or "nil")); end it("works", function () local b = rb.new(); assert.truthy(b:write("hello world")); assert.equals("hello", b:sub(1, 5)); end); it("supports optional end parameter", function () local b = rb.new(); assert.truthy(b:write("hello world")); assert.equals("hello world", b:sub(1)); assert.equals("world", b:sub(-5)); end); it("is equivalent to string:sub", function () local b = rb.new(6); assert.truthy(b:write("foobar")); b:read(3); b:write("foo"); for i = -13, 13 do for j = -13, 13 do test_sub(b, i, j); end end end); end); describe(":byte", function () -- Helper function to compare buffer:byte() with string:byte() local function test_byte(b, x, y) local s = b:read(#b, true); local string_result, buffer_result = {s:byte(x, y)}, {b:byte(x, y)}; assert.same(string_result, buffer_result, ("buffer:byte(%d, %s) does not match string:byte()"):format(x, y and ("%d"):format(y) or "nil")); end it("is equivalent to string:byte", function () local b = rb.new(6); assert.truthy(b:write("foobar")); b:read(3); b:write("foo"); test_byte(b, 1); test_byte(b, 3); test_byte(b, -1); test_byte(b, -3); for i = -13, 13 do for j = -13, 13 do test_byte(b, i, j); end end end); it("works with characters > 127", function () local b = rb.new(); b:write(string.char(0, 140)); local r = { b:byte(1, 2) }; assert.same({ 0, 140 }, r); end); end); end);