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-- test/test-lace.lua
--
-- Lua Access Control Engine -- Tests for the Lace error module
--
-- Copyright 2012 Daniel Silverstone <dsilvers@digital-scurf.org>
--
-- For Licence terms, see COPYING
--
-- Step one, start coverage
pcall(require, 'luacov')
local error = require 'lace.error'
local testnames = {}
local real_assert = assert
local total_asserts = 0
local function assert(...)
real_assert(...)
total_asserts = total_asserts + 1
end
local function add_test(suite, name, value)
rawset(suite, name, value)
testnames[#testnames+1] = name
end
local suite = setmetatable({}, {__newindex = add_test})
function suite.error_formation()
local words = {}
local ret1, ret2 = error.error("msg", words)
assert(ret1 == false, "First return of error() should be false")
assert(type(ret2) == "table", "Second return of error() should be a table")
assert(ret2.msg == "msg", "Message should be passed through")
assert(ret2.words == words, "Words should be passed through")
end
function suite.error_offset()
local words = {3,5}
local f, err = error.error("msg", words)
local nerr = error.offset(err, 2)
assert(nerr == err, "Offset should return the same error it was given")
assert(words[1] == 5, "Offset should alter the first word")
assert(words[2] == 7, "Offset should alter all the words")
end
function suite.error_augmentation()
local f, err = error.error("msg")
local src = {}
local aug = error.augment(err, src, 10)
assert(aug == err, "Augmentation should return the error")
assert(err.words.source == src, "Augmented errors should contain their source data")
assert(err.words.linenr == 10, "Augmented errors should contain their error line")
end
function suite.error_render()
local f, err = error.error("msg", {1, 3})
local src = { source = "SOURCE", lines = {
{
original = " ORIG LINE FISH",
content = {
{ spos = 3, epos = 6, str = "ORIG" },
{ spos = 8, epos = 11, str = "LINE" },
{ spos = 13, epos = 16, str = "FISH" },
}
}
}
}
error.augment(err, src, 1)
local estr = error.render(err)
local line1, line2, line3, line4 = estr:match("^([^\n]*)\n([^\n]*)\n([^\n]*)\n([^\n]*)$")
assert(line1, "There is a line 1")
assert(line2, "There is a line 2")
assert(line3, "There is a line 3")
assert(line4, "There is a line 4")
assert(line1 == "msg", "The first line should be the error message")
assert(line2 == "SOURCE :: 1", "The second line is where the error happened")
assert(line3 == src.lines[1].original, "The third line is the original line")
assert(line4 == " ^^^^ ^^^^", "The fourth line highlights relevant words")
end
function suite.error_render_bad_line()
local f, err = error.error("msg", {1, 3})
local src = { source = "SOURCE", lines = { } }
error.augment(err, src, 1)
local estr = error.render(err)
local line1, line2, line3, line4 = estr:match("^([^\n]*)\n([^\n]*)\n([^\n]*)\n([^\n]*)$")
assert(line1, "There is a line 1")
assert(line2, "There is a line 2")
assert(line3, "There is a line 3")
assert(line4, "There is a line 4")
assert(line1 == "msg", "The first line should be the error message")
assert(line2 == "SOURCE :: 1", "The second line is where the error happened")
assert(line3 == "???", "The third line is the original line")
assert(line4 == "^^^", "The fourth line highlights relevant words")
end
local count_ok = 0
for _, testname in ipairs(testnames) do
-- print("Run: " .. testname)
local ok, err = xpcall(suite[testname], debug.traceback)
if not ok then
print(err)
print()
else
count_ok = count_ok + 1
end
end
print(tostring(count_ok) .. "/" .. tostring(#testnames) .. " [" .. tostring(total_asserts) .. "] OK")
os.exit(count_ok == #testnames and 0 or 1)
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