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-- test/test-compiler.lua
--
-- Lua Access Control Engine -- Tests for the compiler
--
-- Copyright 2012 Daniel Silverstone <dsilvers@digital-scurf.org>
--
-- For Licence terms, see COPYING
--
-- Step one, start coverage
local luacov = require 'luacov'
local compiler = require 'lace.compiler'
local err = 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.context_missing()
local result, msg = compiler.compile(nil, "")
assert(result == nil, "Lua errors should return nil")
assert(msg:match("context must be a table"), "Supposed to whinge about context not being a table")
end
function suite.context_missing_dot_lace()
local result, msg = compiler.compile({}, "")
assert(result == nil, "Lua errors should return nil")
assert(msg:match("context must contain"), "Supposed to whinge about context missing _lace")
end
function suite.context_dot_lace_not_table()
local result, msg = compiler.compile({_lace = true}, "")
assert(result == nil, "Lua errors should return nil")
assert(msg:match("context must contain"), "Supposed to whinge about context missing _lace")
end
function suite.source_not_string()
local result, msg = compiler.compile({_lace = {}}, false)
assert(result == nil, "Lua errors should return nil")
assert(msg:match("name must be a string"), "Supposed to whinge about name not being a string")
end
function suite.content_not_string()
local result, msg = compiler.compile({_lace = {}}, "", false)
assert(result == nil, "Lua errors should return nil")
assert(msg:match("must be nil or a string"), "Supposed to whinge about content not being a string but being non-nil")
end
function suite.empty_content_no_loader()
local result, msg = compiler.compile({_lace = {}}, "", "")
assert(result == false, "Internal errors should return false")
assert(msg:match("whatsoever"), "Supposed to whinge about no allow/deny at all")
end
function suite.no_content_no_loader()
local result, msg = compiler.compile({_lace = {}}, "")
assert(result == false, "Internal errors should return false")
assert(msg:match("Ruleset not found:"), "Supposed to whinge about ruleset not being found")
end
function suite.no_unconditional_action()
local result, msg = compiler.compile({_lace = {}}, "", "deny stuff cond")
assert(type(result) == "table", "Loading a ruleset should result in a table")
assert(#result.rules == 2, "There should be two rules present")
local rule = result.rules[1]
assert(type(rule) == "table", "Rules should be tables")
assert(type(rule.fn) == "function", "Rules should have functions")
assert(type(rule.args) == "table", "Rules should have arguments")
-- rule 2 should be an unconditional allow with 'Default behaviour' as the reason,
-- let's check
local r2a = result.rules[2].args
assert(r2a[1] == "allow", "Rule 2 should be an allow")
assert(r2a[2] == "Default behaviour", "Rule 2's reason should be 'Default behaviour'")
assert(#r2a[3] == 0, "Rule 2 should have no conditions")
end
function suite.no_unconditional_action_default_deny()
local result, msg = compiler.compile({_lace = {}}, "", "default deny\ndeny stuff cond")
assert(type(result) == "table", "Loading a ruleset should result in a table")
assert(#result.rules == 3, "There should be three rules present")
local rule = result.rules[1]
assert(type(rule) == "table", "Rules should be tables")
assert(type(rule.fn) == "function", "Rules should have functions")
assert(type(rule.args) == "table", "Rules should have arguments")
-- rule 3 should be an unconditional deny with 'Default behaviour' as the reason,
-- let's check
local r3a = result.rules[3].args
assert(r3a[1] == "deny", "Rule 3 should be a deny, despite last rule behind a deny")
assert(r3a[2] == "Default behaviour", "Rule 3's reason should be 'Default behaviour'")
assert(#r3a[3] == 0, "Rule 2 should have no conditions")
end
function suite.is_unconditional_action_default_deny()
local result, msg = compiler.compile({_lace = {}}, "", "default deny\nallow stuff")
assert(type(result) == "table", "Loading a ruleset should result in a table")
assert(#result.rules == 2, "There should be two rules present")
local rule = result.rules[1]
assert(type(rule) == "table", "Rules should be tables")
assert(type(rule.fn) == "function", "Rules should have functions")
assert(type(rule.args) == "table", "Rules should have arguments")
-- rule 2 should be an unconditional allow with 'stuff' as the reason
-- let's check
local r2a = result.rules[2].args
assert(r2a[1] == "allow", "Rule 2 should be an allow, despite default being deny")
assert(r2a[2] == "stuff", "Rule 2's reason should be 'stuff'")
assert(#r2a[3] == 0, "Rule 2 should have no conditions")
end
-- Now we set up a more useful context and use that going forward:
local comp_context = {
_lace = {
loader = function(ctx, name)
if name == "THROW_ERROR" then
error("THROWN")
end
local fh = io.open("test/test-lace.compile-" .. name .. ".rules", "r")
if not fh then
return err.error("LOADER: Unknown: " .. name, {1})
end
local content = fh:read("*a")
fh:close()
return "real-" .. name, content
end,
commands = {
DISABLEDCOMMAND = false,
},
},
}
function suite.loader_errors()
local result, msg = compiler.compile(comp_context, "THROW_ERROR")
assert(result == nil, "Lua errors should return nil")
assert(msg:match("THROWN"), "Error returned didn't match what we threw")
end
function suite.load_no_file()
local result, msg = compiler.compile(comp_context, "NOT_FOUND")
assert(result == false, "Internal errors should return false")
assert(msg:match("LOADER: Unknown: NOT_FOUND"), "Error returned didn't match what we returned from loader")
end
function suite.load_file_with_no_rules()
local result, msg = compiler.compile(comp_context, "nothing")
assert(result == false, "Internal errors should return false")
assert(msg:match("whatsoever"), "Error returned didn't match expected whinge about no allow/deny")
end
function suite.load_file_with_bad_command()
local result, msg = compiler.compile(comp_context, "badcommand")
assert(result == false, "Internal errors should return false")
assert(msg:match("BADCOMMAND"), "Error returned did not match the bad command")
end
function suite.load_file_with_disabled_command()
local result, msg = compiler.compile(comp_context, "disabledcommand")
assert(result == false, "Internal errors should return false")
assert(msg:match("is disabled by"), "Error returned did not match the bad command")
end
function suite.load_file_with_bad_deny_command()
local result, msg = compiler.compile(comp_context, "denynoreason")
assert(result == false, "Internal errors should return false")
assert(msg:match("got nothing"), "Error returned did not match expected behaviour from deny")
end
function suite.load_file_with_one_command()
local result, msg = compiler.compile(comp_context, "denyall")
assert(type(result) == "table", "Loading a ruleset should result in a table")
assert(#result.rules == 1, "There should be one rule present")
local rule = result.rules[1]
assert(type(rule) == "table", "Rules should be tables")
assert(type(rule.fn) == "function", "Rules should have functions")
assert(type(rule.args) == "table", "Rules should have arguments")
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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