luasql/tests/test.lua

713 lines
24 KiB
Lua

#!/usr/local/bin/lua5.1
-- See Copyright Notice in license.html
-- $Id: test.lua,v 1.52 2008/06/30 10:43:03 blumf Exp $
TOTAL_FIELDS = 40
TOTAL_ROWS = 40 --unused
DEFINITION_STRING_TYPE_NAME = "text"
QUERYING_STRING_TYPE_NAME = "text"
CREATE_TABLE_RETURN_VALUE = 0
DROP_TABLE_RETURN_VALUE = 0
MSG_CURSOR_NOT_CLOSED = "cursor was not automatically closed by fetch"
CHECK_GETCOL_INFO_TABLES = true
---------------------------------------------------------------------
if not string.find(_VERSION, " 5.0") then
table.getn = assert((loadstring or load)[[return function (t) return #t end]])()
end
---------------------------------------------------------------------
-- Creates a table that can handle differing capitalization of field
-- names
-- @return A table with altered metatable
---------------------------------------------------------------------
local mt = {
__index = function(t, i)
if type(i) == "string" then
return rawget(t, string.upper(i)) or rawget(t, string.lower(i))
end
return rawget(t, i)
end
}
function fetch_table ()
return setmetatable({}, mt)
end
---------------------------------------------------------------------
-- Produces a SQL statement which completely erases a table.
-- @param table_name String with the name of the table.
-- @return String with SQL statement.
---------------------------------------------------------------------
function sql_erase_table (table_name)
return string.format ("delete from %s", table_name)
end
---------------------------------------------------------------------
-- checks for a value and throw an error if it is invalid.
---------------------------------------------------------------------
function assert2 (expected, value, msg)
if not msg then
msg = ''
else
msg = msg..'\n'
end
return assert (value == expected,
msg.."wrong value ("..tostring(value).." instead of "..
tostring(expected)..")")
end
---------------------------------------------------------------------
-- Shallow compare of two tables
---------------------------------------------------------------------
function table_compare(t1, t2)
if t1 == t2 then return true; end
for i, v in pairs(t1) do
if t2[i] ~= v then return false; end
end
for i, v in pairs(t2) do
if t1[i] ~= v then return false; end
end
return true
end
---------------------------------------------------------------------
-- object test.
---------------------------------------------------------------------
function test_object (obj, objmethods)
-- checking object type.
assert2 (true, type(obj) == "userdata" or type(obj) == "table", "incorrect object type")
-- trying to get metatable.
assert2 ("LuaSQL: you're not allowed to get this metatable",
getmetatable(obj), "error permitting access to object's metatable")
-- trying to set metatable.
assert2 (false, pcall (setmetatable, ENV, {}))
-- checking existence of object's methods.
for i = 1, table.getn (objmethods) do
local method = obj[objmethods[i]]
assert2 ("function", type(method))
assert2 (false, pcall (method), "no 'self' parameter accepted")
end
return obj
end
ENV_METHODS = { "close", "connect", }
ENV_OK = function (obj)
return test_object (obj, ENV_METHODS)
end
CONN_METHODS = { "close", "commit", "execute", "rollback", "setautocommit", }
CONN_OK = function (obj)
return test_object (obj, CONN_METHODS)
end
CUR_METHODS = { "close", "fetch", "getcolnames", "getcoltypes", }
CUR_OK = function (obj)
return test_object (obj, CUR_METHODS)
end
function checkUnknownDatabase(ENV)
assert2 (nil, ENV:connect ("/unknown-data-base"), "this should be an error")
end
---------------------------------------------------------------------
-- basic checking test.
---------------------------------------------------------------------
function basic_test ()
-- Check environment object.
ENV = ENV_OK (luasql[driver] ())
assert2 (true, ENV:close(), "couldn't close environment")
-- trying to connect with a closed environment.
assert2 (false, pcall (ENV.connect, ENV, datasource, username, password),
"error connecting with a closed environment")
-- it is ok to close a closed object, but false is returned instead of true.
assert2 (false, ENV:close())
-- Reopen the environment.
ENV = ENV_OK (luasql[driver] ())
-- Check connection object.
local conn, err = ENV:connect (datasource, username, password)
assert (conn, (err or '').." ("..datasource..")")
CONN_OK (conn)
assert2 (true, conn:close(), "couldn't close connection")
-- trying to execute a statement with a closed connection.
assert2 (false, pcall (conn.execute, conn, "create table x (c char)"),
"error while executing through a closed connection")
-- it is ok to close a closed object, but false is returned instead of true.
assert2 (false, conn:close())
-- Check error situation.
checkUnknownDatabase(ENV)
-- force garbage collection
local a = {}
setmetatable(a, {__mode="v"})
a.ENV = ENV_OK (luasql[driver] ())
a.CONN = a.ENV:connect (datasource, username, password)
collectgarbage ()
collectgarbage ()
assert2(nil, a.ENV, "environment not collected")
assert2(nil, a.CONN, "connection not collected")
end
---------------------------------------------------------------------
-- Build SQL command to create the test table.
---------------------------------------------------------------------
function define_table (n)
local t = {}
for i = 1, n do
table.insert (t, "f"..i.." "..DEFINITION_STRING_TYPE_NAME)
end
return "create table t ("..table.concat (t, ',')..")"
end
---------------------------------------------------------------------
-- Create a table with TOTAL_FIELDS character fields.
---------------------------------------------------------------------
function create_table ()
-- Check SQL statements.
CONN = CONN_OK (ENV:connect (datasource, username, password))
-- Create t.
local cmd = define_table(TOTAL_FIELDS)
assert2 (CREATE_TABLE_RETURN_VALUE, CONN:execute (cmd))
end
---------------------------------------------------------------------
-- Fetch 2 values.
---------------------------------------------------------------------
function fetch2 ()
-- insert a record.
assert2 (1, CONN:execute ("insert into t (f1, f2) values ('b', 'c')"))
-- retrieve data.
local cur = CUR_OK (CONN:execute ("select f1, f2, f3 from t"))
-- check data.
local f1, f2, f3 = cur:fetch()
assert2 ('b', f1)
assert2 ('c', f2)
assert2 (nil, f3)
assert2 (nil, cur:fetch())
assert2 (false, cur:close(), MSG_CURSOR_NOT_CLOSED)
assert2 (false, cur:close())
-- insert a second record.
assert2 (1, CONN:execute ("insert into t (f1, f2) values ('d', 'e')"))
cur = CUR_OK (CONN:execute ("select f1, f2, f3 from t order by f1"))
local f1, f2, f3 = cur:fetch()
assert2 ('b', f1, f2) -- f2 can be an error message
assert2 ('c', f2)
assert2 (nil, f3)
f1, f2, f3 = cur:fetch()
assert2 ('d', f1, f2) -- f2 can be an error message
assert2 ('e', f2)
assert2 (nil, f3)
assert2 (nil, cur:fetch())
assert2 (false, cur:close(), MSG_CURSOR_NOT_CLOSED)
assert2 (false, cur:close())
-- remove records.
assert2 (2, CONN:execute ("delete from t where f1 in ('b', 'd')"))
end
---------------------------------------------------------------------
-- Test fetch with a new table, reusing a table and with different
-- indexing.
---------------------------------------------------------------------
function fetch_new_table ()
-- insert elements.
assert2 (1, CONN:execute ("insert into t (f1, f2, f3, f4) values ('a', 'b', 'c', 'd')"))
assert2 (1, CONN:execute ("insert into t (f1, f2, f3, f4) values ('f', 'g', 'h', 'i')"))
-- retrieve data using a new table.
local cur = CUR_OK (CONN:execute ("select f1, f2, f3, f4 from t order by f1"))
local row, err = cur:fetch(fetch_table())
assert2 (type(row), "table", err)
assert2 ('a', row[1])
assert2 ('b', row[2])
assert2 ('c', row[3])
assert2 ('d', row[4])
assert2 (nil, row.f1)
assert2 (nil, row.f2)
assert2 (nil, row.f3)
assert2 (nil, row.f4)
row, err = cur:fetch(fetch_table())
assert (type(row), "table", err)
assert2 ('f', row[1])
assert2 ('g', row[2])
assert2 ('h', row[3])
assert2 ('i', row[4])
assert2 (nil, row.f1)
assert2 (nil, row.f2)
assert2 (nil, row.f3)
assert2 (nil, row.f4)
assert2 (nil, cur:fetch{})
assert2 (false, cur:close(), MSG_CURSOR_NOT_CLOSED)
assert2 (false, cur:close())
-- retrieve data reusing the same table.
io.write ("reusing a table...")
cur = CUR_OK (CONN:execute ("select f1, f2, f3, f4 from t order by f1"))
local row, err = cur:fetch(fetch_table())
assert (type(row), "table", err)
assert2 ('a', row[1])
assert2 ('b', row[2])
assert2 ('c', row[3])
assert2 ('d', row[4])
assert2 (nil, row.f1)
assert2 (nil, row.f2)
assert2 (nil, row.f3)
assert2 (nil, row.f4)
row, err = cur:fetch (row)
assert (type(row), "table", err)
assert2 ('f', row[1])
assert2 ('g', row[2])
assert2 ('h', row[3])
assert2 ('i', row[4])
assert2 (nil, row.f1)
assert2 (nil, row.f2)
assert2 (nil, row.f3)
assert2 (nil, row.f4)
assert2 (nil, cur:fetch(fetch_table()))
assert2 (false, cur:close(), MSG_CURSOR_NOT_CLOSED)
assert2 (false, cur:close())
-- retrieve data reusing the same table with alphabetic indexes.
io.write ("with alpha keys...")
cur = CUR_OK (CONN:execute ("select f1, f2, f3, f4 from t order by f1"))
local row, err = cur:fetch (fetch_table(), "a")
assert (type(row), "table", err)
assert2 (nil, row[1])
assert2 (nil, row[2])
assert2 (nil, row[3])
assert2 (nil, row[4])
assert2 ('a', row.f1)
assert2 ('b', row.f2)
assert2 ('c', row.f3)
assert2 ('d', row.f4)
row, err = cur:fetch (row, "a")
assert2 (type(row), "table", err)
assert2 (nil, row[1])
assert2 (nil, row[2])
assert2 (nil, row[3])
assert2 (nil, row[4])
assert2 ('f', row.f1)
assert2 ('g', row.f2)
assert2 ('h', row.f3)
assert2 ('i', row.f4)
assert2 (nil, cur:fetch(row, "a"))
assert2 (false, cur:close(), MSG_CURSOR_NOT_CLOSED)
assert2 (false, cur:close())
-- retrieve data reusing the same table with both indexes.
io.write ("with both keys...")
cur = CUR_OK (CONN:execute ("select f1, f2, f3, f4 from t order by f1"))
local row, err = cur:fetch (fetch_table(), "an")
assert (type(row), "table", err)
assert2 ('a', row[1])
assert2 ('b', row[2])
assert2 ('c', row[3])
assert2 ('d', row[4])
assert2 ('a', row.f1)
assert2 ('b', row.f2)
assert2 ('c', row.f3)
assert2 ('d', row.f4)
row, err = cur:fetch (row, "an")
assert (type(row), "table", err)
assert2 ('f', row[1])
assert2 ('g', row[2])
assert2 ('h', row[3])
assert2 ('i', row[4])
assert2 ('f', row.f1)
assert2 ('g', row.f2)
assert2 ('h', row.f3)
assert2 ('i', row.f4)
assert2 (nil, cur:fetch(row, "an"))
assert2 (false, cur:close(), MSG_CURSOR_NOT_CLOSED)
assert2 (false, cur:close())
-- clean the table.
assert2 (2, CONN:execute ("delete from t where f1 in ('a', 'f')"))
end
---------------------------------------------------------------------
-- Fetch many values
---------------------------------------------------------------------
function fetch_many ()
-- insert values.
local fields, values = "f1", "'v1'"
for i = 2, TOTAL_FIELDS do
fields = string.format ("%s,f%d", fields, i)
values = string.format ("%s,'v%d'", values, i)
end
local cmd = string.format ("insert into t (%s) values (%s)",
fields, values)
assert2 (1, CONN:execute (cmd))
-- fetch values (without a table).
local cur = CUR_OK (CONN:execute ("select * from t where f1 = 'v1'"))
local row = { cur:fetch () }
assert2 ("string", type(row[1]), "error while trying to fetch many values (without a table)")
for i = 1, TOTAL_FIELDS do
assert2 ('v'..i, row[i])
end
assert2 (nil, cur:fetch (row))
assert2 (false, cur:close(), MSG_CURSOR_NOT_CLOSED)
-- fetch values (with a table and default indexing).
io.write ("with a table...")
local cur = CUR_OK (CONN:execute ("select * from t where f1 = 'v1'"))
local row = cur:fetch(fetch_table())
assert2 ("string", type(row[1]), "error while trying to fetch many values (default indexing)")
for i = 1, TOTAL_FIELDS do
assert2 ('v'..i, row[i])
end
assert2 (nil, cur:fetch (row))
assert2 (false, cur:close(), MSG_CURSOR_NOT_CLOSED)
-- fetch values (with numbered indexes on a table).
io.write ("with numbered keys...")
local cur = CUR_OK (CONN:execute ("select * from t where f1 = 'v1'"))
local row = cur:fetch (fetch_table(), "n")
assert2 ("string", type(row[1]), "error while trying to fetch many values (numbered indexes)")
for i = 1, TOTAL_FIELDS do
assert2 ('v'..i, row[i])
end
assert2 (nil, cur:fetch (row))
assert2 (false, cur:close(), MSG_CURSOR_NOT_CLOSED)
-- fetch values (with alphanumeric indexes on a table).
io.write ("with alpha keys...")
local cur = CUR_OK (CONN:execute ("select * from t where f1 = 'v1'"))
local row = cur:fetch (fetch_table(), "a")
assert2 ("string", type(row.f1), "error while trying to fetch many values (alphanumeric indexes)")
for i = 1, TOTAL_FIELDS do
assert2 ('v'..i, row['f'..i])
end
assert2 (nil, cur:fetch (row))
assert2 (false, cur:close(), MSG_CURSOR_NOT_CLOSED)
-- fetch values (with both indexes on a table).
io.write ("with both keys...")
local cur = CUR_OK (CONN:execute ("select * from t where f1 = 'v1'"))
local row = cur:fetch (fetch_table(), "na")
assert2 ("string", type(row[1]), "error while trying to fetch many values (both indexes)")
assert2 ("string", type(row.f1), "error while trying to fetch many values (both indexes)")
for i = 1, TOTAL_FIELDS do
assert2 ('v'..i, row[i])
assert2 ('v'..i, row['f'..i])
end
assert2 (nil, cur:fetch (row))
assert2 (false, cur:close(), MSG_CURSOR_NOT_CLOSED)
-- clean the table.
assert2 (1, CONN:execute ("delete from t where f1 = 'v1'"))
end
---------------------------------------------------------------------
---------------------------------------------------------------------
function rollback ()
-- begin transaction
assert2 (true, CONN:setautocommit (false), "couldn't disable autocommit")
-- insert a record and commit the operation.
assert2 (1, CONN:execute ("insert into t (f1) values ('a')"))
local cur = CUR_OK (CONN:execute ("select count(*) from t"))
assert2 (1, tonumber (cur:fetch ()), "Insert failed")
assert2 (true, cur:close(), "couldn't close cursor")
assert2 (false, cur:close())
assert2 (true, CONN:commit(), "couldn't commit transaction")
-- insert a record and roll back the operation.
assert2 (1, CONN:execute ("insert into t (f1) values ('b')"))
local cur = CUR_OK (CONN:execute ("select count(*) from t"))
assert2 (2, tonumber (cur:fetch ()), "Insert failed")
assert2 (true, cur:close(), "couldn't close cursor")
assert2 (false, cur:close())
assert2 (true, CONN:rollback (), "couldn't roolback transaction")
-- check resulting table with one record.
cur = CUR_OK (CONN:execute ("select count(*) from t"))
assert2 (1, tonumber(cur:fetch()), "Rollback failed")
assert2 (true, cur:close(), "couldn't close cursor")
assert2 (false, cur:close())
-- delete a record and roll back the operation.
assert2 (1, CONN:execute ("delete from t where f1 = 'a'"))
cur = CUR_OK (CONN:execute ("select count(*) from t"))
assert2 (0, tonumber(cur:fetch()))
assert2 (true, cur:close(), "couldn't close cursor")
assert2 (false, cur:close())
assert2 (true, CONN:rollback (), "couldn't roolback transaction")
-- check resulting table with one record.
cur = CUR_OK (CONN:execute ("select count(*) from t"))
assert2 (1, tonumber(cur:fetch()), "Rollback failed")
assert2 (true, cur:close(), "couldn't close cursor")
assert2 (false, cur:close())
--[[
-- insert a second record and turn on the auto-commit mode.
-- this will produce a rollback on PostgreSQL and a commit on ODBC.
-- what to do?
assert2 (1, CONN:execute ("insert into t (f1) values ('b')"))
cur = CUR_OK (CONN:execute ("select count(*) from t"))
assert2 (2, tonumber (cur:fetch ()), "Insert failed")
assert2 (true, cur:close(), "couldn't close cursor")
assert2 (false, cur:close())
assert2 (true, CONN:setautocommit (true), "couldn't enable autocommit")
-- check resulting table with one record.
cur = CUR_OK (CONN:execute ("select count(*) from t"))
assert2 (1, tonumber(cur:fetch()), "Rollback failed")
assert2 (true, cur:close(), "couldn't close cursor")
assert2 (false, cur:close())
--]]
-- clean the table.
assert2 (1, CONN:execute (sql_erase_table"t"))
assert2 (true, CONN:commit (), "couldn't commit transaction")
assert2 (true, CONN:setautocommit (true), "couldn't enable autocommit")
-- check resulting table with no records.
cur = CUR_OK (CONN:execute ("select count(*) from t"))
assert2 (0, tonumber(cur:fetch()), "Rollback failed")
assert2 (true, cur:close(), "couldn't close cursor")
assert2 (false, cur:close())
end
---------------------------------------------------------------------
-- Get column names and types.
---------------------------------------------------------------------
function column_info ()
-- insert elements.
assert2 (1, CONN:execute ("insert into t (f1, f2, f3, f4) values ('a', 'b', 'c', 'd')"))
local cur = CUR_OK (CONN:execute ("select f1,f2,f3,f4 from t"))
-- get column information.
local names, types = cur:getcolnames(), cur:getcoltypes()
assert2 ("table", type(names), "getcolnames failed")
assert2 ("table", type(types), "getcoltypes failed")
assert2 (4, table.getn(names), "incorrect column names table")
assert2 (4, table.getn(types), "incorrect column types table")
for i = 1, table.getn(names) do
assert2 ("f"..i, string.lower(names[i]), "incorrect column names table")
local type_i = types[i]
assert (type_i == QUERYING_STRING_TYPE_NAME, "incorrect column types table")
end
-- check if the tables are being reused.
local n2, t2 = cur:getcolnames(), cur:getcoltypes()
if CHECK_GETCOL_INFO_TABLES then
assert2 (names, n2, "getcolnames is rebuilding the table")
assert2 (types, t2, "getcoltypes is rebuilding the table")
else
assert2 (true, table_compare(names, n2), "getcolnames is inconsistent")
assert2 (true, table_compare(types, t2), "getcoltypes is inconsistent")
end
assert2 (true, cur:close(), "couldn't close cursor")
assert2 (false, cur:close())
-- clean the table.
assert2 (1, CONN:execute ("delete from t where f1 = 'a'"))
end
---------------------------------------------------------------------
-- Escaping strings
---------------------------------------------------------------------
function escape ()
local escaped = CONN:escape"a'b'c'd"
assert ("a\\'b\\'c\\'d" == escaped or "a''b''c''d" == escaped)
local n = 5200
local s1 = string.rep("'", n)
local s2 = CONN:escape(s1)
local s3 = s1:gsub ("'", "\\'")
assert (s1:len() == n)
assert (s2:len() == 2*n)
assert (s2 == s1..s1 or s2 == s3)
io.write (" escape")
end
---------------------------------------------------------------------
---------------------------------------------------------------------
function check_close()
-- an object with references to it can't be closed
local cmd = "select * from t"
local cur = CUR_OK(CONN:execute (cmd))
assert2 (true, cur:close(), "couldn't close cursor")
-- force garbage collection
local a = {}
setmetatable(a, {__mode="v"})
a.CONN = ENV:connect (datasource, username, password)
cur = CUR_OK(a.CONN:execute (cmd))
collectgarbage ()
collectgarbage ()
CONN_OK (a.CONN)
a.cur = cur
a.cur:close()
a.CONN:close()
cur = nil
collectgarbage ()
assert2(nil, a.cur, "cursor not collected")
collectgarbage ()
assert2(nil, a.CONN, "connection not collected")
-- check cursor integrity after trying to close a connection
local conn = CONN_OK (ENV:connect (datasource, username, password))
assert2 (1, conn:execute"insert into t (f1) values (1)", "could not insert a new record")
local cur = CUR_OK (conn:execute (cmd))
local ok, err = pcall (conn.close, conn)
CUR_OK (cur)
assert (cur:fetch(), "corrupted cursor")
cur:close ()
conn:close ()
end
---------------------------------------------------------------------
---------------------------------------------------------------------
function drop_table ()
assert2 (true, CONN:setautocommit(true), "couldn't enable autocommit")
-- Postgres retorns 0, ODBC retorns -1, sqlite returns 1
assert2 (DROP_TABLE_RETURN_VALUE, CONN:execute ("drop table t"))
end
---------------------------------------------------------------------
---------------------------------------------------------------------
function close_conn ()
assert (true, CONN:close())
assert (true, ENV:close())
end
---------------------------------------------------------------------
---------------------------------------------------------------------
function finalization ()
-- nothing to do
end
---------------------------------------------------------------------
-- Testing Extensions
---------------------------------------------------------------------
EXTENSIONS = {
}
function extensions_test ()
for i, f in ipairs (EXTENSIONS) do
f ()
end
end
---------------------------------------------------------------------
-- Testing numrows method.
-- This is not a default test, it must be added to the extensions
-- table to be executed.
---------------------------------------------------------------------
function numrows()
local cur = CUR_OK(CONN:execute"select * from t")
assert2(0,cur:numrows())
cur:close()
-- Inserts one row.
assert2 (1, CONN:execute"insert into t (f1) values ('a')", "could not insert a new record")
cur = CUR_OK(CONN:execute"select * from t")
assert2(1,cur:numrows())
cur:close()
-- Inserts three more rows (total = 4).
assert2 (1, CONN:execute"insert into t (f1) values ('b')", "could not insert a new record")
assert2 (1, CONN:execute"insert into t (f1) values ('c')", "could not insert a new record")
assert2 (1, CONN:execute"insert into t (f1) values ('d')", "could not insert a new record")
cur = CUR_OK(CONN:execute"select * from t")
assert2(4,cur:numrows())
cur:close()
-- Deletes one row
assert2(1, CONN:execute"delete from t where f1 = 'a'", "could not delete the specified row")
cur = CUR_OK(CONN:execute"select * from t")
assert2(3,cur:numrows())
cur:close()
-- Deletes all rows
assert2 (3, CONN:execute (sql_erase_table"t"))
cur = CUR_OK(CONN:execute"select * from t")
assert2(0,cur:numrows())
cur:close()
io.write (" numrows")
end
---------------------------------------------------------------------
-- Main
---------------------------------------------------------------------
if type(arg[1]) ~= "string" then
print (string.format ("Usage %s <driver> [<data source> [, <user> [, <password>]]]", arg[0]))
os.exit()
end
driver = arg[1]
-- Loading driver specific functions
if arg[0] then
local path = string.gsub (arg[0], "^(.*%/)[^/]*$", "%1")
if path == "test.lua" then
path = ""
end
local file = path..driver..".lua"
local f, err = loadfile (file)
if not f then
print ("LuaSQL test: couldn't find driver-specific test file ("..
file..").\nProceeding with general test")
else
print ("Loading driver-specific test file ("..file..").")
f ()
end
end
datasource = arg[2] or DEFAULT_TEST_DATABASE or "luasql-test"
username = arg[3] or DEFAULT_USERNAME or nil
password = arg[4] or DEFAULT_PASSWORD or nil
-- Complete set of tests
tests = {
{ "basic checking", basic_test },
{ "create table", create_table },
{ "fetch two values", fetch2 },
{ "fetch new table", fetch_new_table },
{ "fetch many", fetch_many },
{ "rollback", rollback },
{ "get column information", column_info },
{ "extensions", extensions_test },
{ "close objects", check_close },
{ "drop table", drop_table },
{ "close connection", close_conn },
{ "finalization", finalization },
}
if string.find(_VERSION, " 5.0") then
local init_so, err = loadlib("./"..driver..".so", "luaopen_luasql_"..driver)
if init_so then
luasql = init_so()
else
luasql = assert(loadlib("/usr/local/lib/lua/5.0/luasql/"..driver..".so", "luaopen_luasql_"..driver))()
end
else
luasql = require ("luasql."..driver)
end
assert (luasql, "Could not load driver: no luasql table.")
io.write (luasql._VERSION.." "..driver)
if luasql._CLIENTVERSION then
io.write (" ("..luasql._CLIENTVERSION..")")
end
io.write (" driver test. "..luasql._COPYRIGHT.."\n")
for i = 1, table.getn (tests) do
local t = tests[i]
io.write (t[1].." ...")
local ok, err = xpcall (t[2], debug.traceback)
if not ok then
io.write ("\n"..err)
io.write"\n... trying to drop test table ..."
local ok, err = pcall (drop_table)
if not ok then
io.write (" failed: "..err)
else
io.write" OK !\n... and to close the connection ..."
local ok, err = pcall (close_conn)
if not ok then
io.write (" failed: "..err)
else
io.write" OK !"
end
end
io.write"\nThe test failed!\n"
return
end
io.write (" OK !\n")
end
io.write ("The test passed!\n")