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local dir_sep = package.config:sub(1, 1)
local cfg, dir, fs, versions
local initialized = false
local function initialize()
if initialized then
return
end
initialized = true
cfg = require("luarocks.core.cfg")
dir = require("luarocks.dir")
fs = require("luarocks.fs")
versions = require("spec.util.versions")
cfg.init()
fs.init()
end
local function native_slash(pathname)
return (pathname:gsub("[/\\]", dir_sep))
end
local function parse_cmd(line)
local cmd, arg = line:match("^%s*([A-Z_]+):%s*(.*)%s*$")
return cmd, arg
end
local function is_blank(line)
return not not line:match("^%s*$")
end
local function is_hr(line)
return not not line:match("^%-%-%-%-%-")
end
local function parse(filename)
local fd = assert(io.open(filename, "rb"))
local input = assert(fd:read("*a"))
fd:close()
initialize()
local tests = {}
local cur_line = 0
local cur_suite = ""
local cur_test
local cur_op
local cur_block
local cur_block_name
local stack = { "start" }
local function start_test(arg)
cur_test = {
name = cur_suite .. arg,
ops = {},
}
cur_op = nil
table.insert(tests, cur_test)
table.insert(stack, "test")
end
local function fail(msg)
io.stderr:write("Error reading " .. filename .. ":" .. cur_line .. ": " .. msg .. "\n")
os.exit(1)
end
local function bool_arg(cmd, cur, field, arg)
if arg ~= "true" and arg ~= "false" then
fail(cmd .. " argument must be 'true' or 'false'")
end
cur[field] = (arg == "true")
end
local function block_start_arg(cmd, cur, field)
if not cur or cur.op ~= "RUN" then
fail(cmd .. " must be given in the context of a RUN")
end
if cur[field] then
fail(cmd .. " was already declared")
end
cur[field] = {
data = {}
}
cur_block = cur[field]
cur_block_name = cmd
table.insert(stack, "block start")
end
local test_env = require("spec.util.test_env")
local function expand_vars(line)
if not line then
return nil
end
return (line:gsub("%%%b{}", function(var)
var = var:sub(3, -2)
local fn, fnarg = var:match("^%s*([a-z_]+)%s*%(%s*([^)]+)%s*%)%s*$")
local value
if var == "tmpdir" then
value = "%{tmpdir}"
elseif var == "url(%{tmpdir})" then
value = "%{url(%{tmpdir})}"
elseif fn == "url" then
value = expand_vars(fnarg)
value = value:gsub("\\", "/")
elseif fn == "path" then
value = expand_vars(fnarg)
value = value:gsub("[/\\]", dir_sep)
elseif fn == "version" then
value = versions[fnarg:lower()] or ""
elseif fn == "version_" then
value = (versions[fnarg:lower()] or ""):gsub("[%.%-]", "_")
else
value = test_env.testing_paths[var]
or test_env.env_variables[var]
or test_env[var]
or ""
end
return value
end))
end
if input:sub(#input, #input) ~= "\n" then
input = input .. "\n"
end
for line in input:gmatch("([^\r\n]*)\r?\n?") do
cur_line = cur_line + 1
local state = stack[#stack]
if state == "start" then
local cmd, arg = parse_cmd(line)
if cmd == "TEST" then
start_test(arg)
elseif cmd == "SUITE" then
cur_suite = arg .. ": "
elseif cmd then
fail("expected TEST, got " .. cmd)
elseif is_blank(line) then
-- skip blank lines and arbitrary text,
-- which is interpreted as a comment
end
elseif state == "test" then
local cmd, arg = parse_cmd(line)
arg = expand_vars(arg)
if cmd == "FILE" then
cur_op = {
op = "FILE",
name = arg,
data = {},
}
table.insert(cur_test.ops, cur_op)
cur_block = cur_op
cur_block_name = "FILE"
table.insert(stack, "block start")
elseif cmd == "FILE_CONTENTS" then
cur_op = {
op = "FILE_CONTENTS",
name = arg,
data = {},
}
table.insert(cur_test.ops, cur_op)
cur_block = cur_op
cur_block_name = "FILE_CONTENTS"
table.insert(stack, "block start")
elseif cmd == "RUN" then
local program, args = arg:match("([^ ]+)%s*(.*)$")
if not program then
fail("expected a program argument in RUN")
end
cur_op = {
op = "RUN",
exit = 0,
exit_line = cur_line,
line = cur_line,
program = program,
args = args,
}
table.insert(cur_test.ops, cur_op)
elseif cmd == "EXISTS" then
cur_op = {
op = "EXISTS",
name = dir.normalize(arg),
line = cur_line,
}
table.insert(cur_test.ops, cur_op)
elseif cmd == "NOT_EXISTS" then
cur_op = {
op = "NOT_EXISTS",
name = dir.normalize(arg),
line = cur_line,
}
table.insert(cur_test.ops, cur_op)
elseif cmd == "MKDIR" then
cur_op = {
op = "MKDIR",
name = dir.normalize(arg),
line = cur_line,
}
table.insert(cur_test.ops, cur_op)
elseif cmd == "RMDIR" then
cur_op = {
op = "RMDIR",
name = dir.normalize(arg),
line = cur_line,
}
table.insert(cur_test.ops, cur_op)
elseif cmd == "RM" then
cur_op = {
op = "RM",
name = dir.normalize(arg),
line = cur_line,
}
table.insert(cur_test.ops, cur_op)
elseif cmd == "EXIT" then
if not cur_op or cur_op.op ~= "RUN" then
fail("EXIT must be given in the context of a RUN")
end
local code = tonumber(arg)
if not code and not (code >= 0 and code <= 128) then
fail("EXIT code must be a number in the range 0-128, got " .. arg)
end
cur_op.exit = code
cur_op.exit_line = cur_line
elseif cmd == "VERBOSE" then
if not cur_op or cur_op.op ~= "RUN" then
fail("VERBOSE must be given in the context of a RUN")
end
bool_arg("VERBOSE", cur_op, "verbose", arg)
elseif cmd == "STDERR" then
block_start_arg("STDERR", cur_op, "stderr")
elseif cmd == "NOT_STDERR" then
block_start_arg("NOT_STDERR", cur_op, "not_stderr")
elseif cmd == "STDOUT" then
block_start_arg("STDOUT", cur_op, "stdout")
elseif cmd == "NOT_STDOUT" then
block_start_arg("NOT_STDOUT", cur_op, "not_stdout")
elseif cmd == "PENDING" then
bool_arg("PENDING", cur_test, "pending", arg)
elseif cmd == "TEST" then
table.remove(stack)
start_test(arg)
elseif cmd then
fail("expected a command, got " .. cmd)
else
-- skip blank lines and arbitrary text,
-- which is interpreted as a comment
end
elseif state == "block start" then
local cmd, arg = parse_cmd(line)
if is_blank(line) then
-- skip
elseif is_hr(line) then
stack[#stack] = "block data"
cur_block.start = cur_line
elseif cmd == "PLAIN" then
bool_arg("PLAIN", cur_block, "plain", arg)
else
fail("expected '-----' to start " .. cur_block_name .. " block")
end
elseif state == "block data" then
if is_hr(line) then
cur_block = nil
table.remove(stack)
else
if not cur_block.plain then
line = expand_vars(line)
end
table.insert(cur_block.data, line)
end
end
end
return tests
end
local function check_output(write, block, block_name, data_var)
if block then
local is_positive = not block_name:match("NOT")
local err_msg = is_positive and "did not match" or "did match unwanted output"
write([=[ do ]=])
write([=[ local block_at = 1 ]=])
write([=[ local s, e, line, ok ]=])
for i, line in ipairs(block.data) do
write(([=[ line = %q ]=]):format(line))
write(([=[ s, e = string.find(%s, line, block_at, true) ]=]):format(data_var))
write(is_positive and ([=[ ok = s; if e then block_at = e + 1 end ]=]):format(i)
or ([=[ ok = not s ]=]))
write(([=[ assert(ok, error_message(%d, "%s %s: " .. line, %s)) ]=]):format(block.start + i, block_name, err_msg, data_var))
end
write([=[ end ]=])
end
end
function quick.compile(filename, env)
local tests = parse(filename)
-- local dev_null = (package.config:sub(1, 1) == "/")
-- and "/dev/null"
-- or "NUL"
local cmd_helpers = {
["luarocks"] = "luarocks_cmd",
["luarocks-admin"] = "luarocks_admin_cmd",
}
for tn, t in ipairs(tests) do
local code = {}
local function write(...)
table.insert(code, table.concat({...}))
end
write(([=[ ]=]))
write(([=[ -- **************************************** ]=]))
write(([=[ -- %s ]=]):format(t.name))
write(([=[ -- **************************************** ]=]))
write(([=[ ]=]))
write([=[ local test_env = require("spec.util.test_env") ]=])
write([=[ local lfs = require("lfs") ]=])
write([=[ local fs = require("lfs") ]=])
write([=[ local dir_sep = package.config:sub(1, 1) ]=])
write([=[ local coverage = " -e \"require('luacov.runner')([[" .. test_env.testing_paths.testrun_dir .. dir_sep .. "luacov.config]])\" " ]=])
write([=[ local luarocks_cmd = test_env.execute_helper(test_env.Q(test_env.testing_paths.lua) .. coverage .. " " .. test_env.testing_paths.src_dir .. "/bin/luarocks", false, test_env.env_variables):sub(1, -5) ]=])
write([=[ local luarocks_admin_cmd = test_env.execute_helper(test_env.Q(test_env.testing_paths.lua) .. coverage .. " " .. test_env.testing_paths.src_dir .. "/bin/luarocks-admin", false, test_env.env_variables):sub(1, -5) ]=])
write([=[ local function make_dir(dirname) ]=])
write([=[ local bits = {} ]=])
write([=[ if dirname:sub(1, 1) == dir_sep then bits[1] = "" end ]=])
write([=[ local ok, err ]=])
write([=[ for p in dirname:gmatch("[^" .. dir_sep .. "]+") do ]=])
write([=[ table.insert(bits, p) ]=])
write([=[ ok, err = lfs.mkdir(table.concat(bits, dir_sep)) ]=])
write([=[ end ]=])
write([=[ local exists = (lfs.attributes(dirname) or {}).mode == "directory" ]=])
write([=[ return exists, (not exists) and err ]=])
write([=[ end ]=])
write(([=[ local function error_message(line, msg, input) ]=]))
write(([=[ local out = {"\n\n", %q, ":", line, ": ", msg} ]=]):format(filename))
write(([=[ if input then ]=]))
write(([=[ if input:match("\n") then ]=]))
write(([=[ table.insert(out, "\n") ]=]))
write(([=[ table.insert(out, ("-"):rep(40)) ]=]))
write(([=[ table.insert(out, "\n") ]=]))
write(([=[ table.insert(out, input) ]=]))
write(([=[ table.insert(out, ("-"):rep(40)) ]=]))
write(([=[ table.insert(out, "\n") ]=]))
write(([=[ else ]=]))
write(([=[ table.insert(out, ": ") ]=]))
write(([=[ table.insert(out, input) ]=]))
write(([=[ end ]=]))
write(([=[ end ]=]))
write(([=[ return table.concat(out) ]=]))
write(([=[ end ]=]))
write([=[ return function() ]=])
write([=[ test_env.run_in_tmp(function(tmpdir) ]=])
write([=[ local function handle_tmpdir(s) ]=])
write([=[ return (s:gsub("%%{url%(%%{tmpdir}%)}", (tmpdir:gsub("\\", "/"))) ]=])
write([=[ :gsub("%%{tmpdir}", (tmpdir:gsub("[\\/]", dir_sep)))) ]=])
write([=[ end ]=])
write([=[ local ok, err ]=])
for _, op in ipairs(t.ops) do
if op.name then
op.name = native_slash(op.name)
write(([=[ local name = handle_tmpdir(%q) ]=]):format(op.name))
end
if op.op == "FILE" then
if op.name:match("[\\/]") then
write(([=[ make_dir(handle_tmpdir(%q)) ]=]):format(dir.dir_name(op.name)))
end
write([=[ test_env.write_file(name, handle_tmpdir([=====[ ]=])
for _, line in ipairs(op.data) do
write(line)
end
write([=[ ]=====]), finally) ]=])
elseif op.op == "EXISTS" then
write(([=[ ok, err = lfs.attributes(name) ]=]))
write(([=[ assert.truthy(ok, error_message(%d, "EXISTS failed: " .. name .. " - " .. (err or "") )) ]=]):format(op.line))
elseif op.op == "NOT_EXISTS" then
write(([=[ assert.falsy(lfs.attributes(name), error_message(%d, "NOT_EXISTS failed: " .. name .. " exists" )) ]=]):format(op.line))
elseif op.op == "MKDIR" then
write(([=[ ok, err = make_dir(name) ]=]))
write(([=[ assert.truthy((lfs.attributes(name) or {}).mode == "directory", error_message(%d, "MKDIR failed: " .. name .. " - " .. (err or "") )) ]=]):format(op.line))
elseif op.op == "RMDIR" then
write(([=[ ok, err = test_env.remove_dir(name) ]=]))
write(([=[ assert.falsy((lfs.attributes(name) or {}).mode == "directory", error_message(%d, "MKDIR failed: " .. name .. " - " .. (err or "") )) ]=]):format(op.line))
elseif op.op == "RM" then
write(([=[ ok, err = os.remove(name) ]=]))
write(([=[ assert.falsy((lfs.attributes(name) or {}).mode == "file", error_message(%d, "RM failed: " .. name .. " - " .. (err or "") )) ]=]):format(op.line))
elseif op.op == "FILE_CONTENTS" then
write(([=[ do ]=]))
write(([=[ local fd_file = assert(io.open(name, "rb")) ]=]))
write(([=[ local file_data = fd_file:read("*a") ]=]))
write(([=[ fd_file:close() ]=]))
write([=[ local block_at = 1 ]=])
write([=[ local s, e, line ]=])
for i, line in ipairs(op.data) do
write(([=[ line = %q ]=]):format(line))
write(([=[ s, e = string.find(file_data, line, 1, true) ]=]))
write(([=[ assert(s, error_message(%d, "FILE_CONTENTS " .. name .. " did not match: " .. line, file_data)) ]=]):format(op.start + i))
write(([=[ block_at = e + 1 ]=]):format(i))
end
write([=[ end ]=])
elseif op.op == "RUN" then
local cmd_helper = cmd_helpers[op.program] or ("%q"):format(op.program)
local redirs = " 1>stdout.txt 2>stderr.txt "
write(([=[ local ok, _, code = os.execute(%s .. " " .. %q .. %q) ]=]):format(cmd_helper, op.args, redirs))
write([=[ if type(ok) == "number" then code = (ok >= 256 and ok / 256 or ok) end ]=])
write([=[ local fd_stderr = assert(io.open("stderr.txt", "rb")) ]=])
write([=[ local stderr_data = fd_stderr:read("*a") ]=])
write([=[ fd_stderr:close() ]=])
write([=[ if stderr_data:match("please report") then ]=])
write(([=[ assert(false, error_message(%d, "RUN crashed: ", stderr_data)) ]=]):format(op.line))
write([=[ end ]=])
if op.stdout or op.not_stdout or op.verbose then
write([=[ local fd_stdout = assert(io.open("stdout.txt", "rb")) ]=])
write([=[ local stdout_data = fd_stdout:read("*a") ]=])
write([=[ fd_stdout:close() ]=])
end
if op.verbose then
write([=[ print() ]=])
write([=[ print("STDOUT: --" .. ("-"):rep(70)) ]=])
write([=[ print(stdout_data) ]=])
write([=[ print("STDERR: --" .. ("-"):rep(70)) ]=])
write([=[ print(stderr_data) ]=])
write([=[ print(("-"):rep(80)) ]=])
write([=[ print() ]=])
end
check_output(write, op.stdout, "STDOUT", "stdout_data")
check_output(write, op.stderr, "STDERR", "stderr_data")
check_output(write, op.not_stdout, "NOT_STDOUT", "stdout_data")
check_output(write, op.not_stderr, "NOT_STDERR", "stderr_data")
if op.exit then
write(([=[ assert.same(%d, code, error_message(%d, "EXIT did not match: " .. %d, stderr_data)) ]=]):format(op.exit, op.exit_line, op.exit))
end
end
end
write([=[ end, finally) ]=])
write([=[ end ]=])
local program = table.concat(code, "\n")
local chunk = assert(load(program, "@" .. filename .. ":[TEST " .. tn .. "]", "t", env or _ENV))
if env and setfenv then
setfenv(chunk, env)
end
t.fn = chunk()
end
return tests
end
return quick
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