330 lines
6.5 KiB
Lua
330 lines
6.5 KiB
Lua
--
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-- tests/testfx.lua
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-- Automated test framework for Premake.
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-- Copyright (c) 2008-2012 Jason Perkins and the Premake project
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--
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--
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-- Define a namespace for the testing functions
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--
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test = {}
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--
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-- Assertion functions
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--
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function test.capture(expected)
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local actual = io.endcapture()
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-- create line-by-line iterators for both values
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local ait = actual:gfind("(.-)" .. io.eol)
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local eit = expected:gfind("(.-)\n")
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-- compare each value line by line
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local linenum = 1
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local atxt = ait()
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local etxt = eit()
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while etxt do
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if (etxt ~= atxt) then
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test.fail("(%d) expected:\n%s\n...but was:\n%s", linenum, etxt, atxt)
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end
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linenum = linenum + 1
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atxt = ait()
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etxt = eit()
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end
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end
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function test.closedfile(expected)
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if expected and not test.value_closedfile then
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test.fail("expected file to be closed")
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elseif not expected and test.value_closedfile then
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test.fail("expected file to remain open")
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end
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end
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function test.contains(value, expected)
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if not table.contains(value, expected) then
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test.fail("expected value %s not found", expected)
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end
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end
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function test.fail(format, ...)
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-- if format is a number then it is the stack depth
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local depth = 3
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if type(format) == "number" then
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depth = depth + format
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format = table.remove(arg, 1)
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end
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-- convert nils into something more usefuls
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for i = 1, arg.n do
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if (arg[i] == nil) then
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arg[i] = "(nil)"
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elseif (type(arg[i]) == "table") then
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arg[i] = "{" .. table.concat(arg[i], ", ") .. "}"
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end
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end
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local msg = string.format(format, unpack(arg))
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error(debug.traceback(msg, depth), depth)
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end
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function test.filecontains(expected, fn)
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local f = io.open(fn)
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local actual = f:read("*a")
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f:close()
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if (expected ~= actual) then
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test.fail("expected %s but was %s", expected, actual)
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end
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end
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function test.isemptycapture()
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local actual = io.endcapture()
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if actual ~= "" then
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test.fail("expected empty capture, but was %s", actual);
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end
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end
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function test.isequal(expected, actual, depth)
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depth = depth or 0
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if type(expected) == "table" then
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if expected and not actual then
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test.fail(depth, "expected table, got nil")
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end
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if #expected < #actual then
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test.fail(depth, "expected %d items, got %d", #expected, #actual)
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end
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for k,v in pairs(expected) do
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test.isequal(expected[k], actual[k], depth + 1)
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end
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else
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if (expected ~= actual) then
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test.fail(depth, "expected %s but was %s", expected, actual)
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end
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end
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return true
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end
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function test.isfalse(value)
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if (value) then
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test.fail("expected false but was true")
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end
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end
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function test.isnil(value)
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if (value ~= nil) then
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test.fail("expected nil but was " .. tostring(value))
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end
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end
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function test.isnotnil(value)
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if (value == nil) then
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test.fail("expected not nil")
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end
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end
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function test.istrue(value)
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if (not value) then
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test.fail("expected true but was false")
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end
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end
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function test.openedfile(fname)
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if fname ~= test.value_openedfilename then
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local msg = "expected to open file '" .. fname .. "'"
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if test.value_openedfilename then
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msg = msg .. ", got '" .. test.value_openedfilename .. "'"
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end
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test.fail(msg)
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end
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end
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function test.success(fn, ...)
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local ok, err = pcall(fn, unpack(arg))
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if not ok then
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test.fail("call failed: " .. err)
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end
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end
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--
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-- Test stubs
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--
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local function stub_io_open(fname, mode)
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test.value_openedfilename = fname
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test.value_openedfilemode = mode
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return {
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close = function()
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test.value_closedfile = true
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end
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}
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end
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local function stub_io_output(f)
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end
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local function stub_print(s)
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end
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--
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-- Define a collection for the test suites
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--
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T = {}
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--
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-- Test execution function
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--
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local _OS_host = _OS
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local function error_handler(err)
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local msg = err
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-- if the error doesn't include a stack trace, add one
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if not msg:find("stack traceback:", 1, true) then
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msg = debug.traceback(err, 2)
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end
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-- trim of the trailing context of the originating xpcall
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local i = msg:find("[C]: in function 'xpcall'", 1, true)
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if i then
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msg = msg:sub(1, i - 3)
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end
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-- if the resulting stack trace is only one level deep, ignore it
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local n = select(2, msg:gsub('\n', '\n'))
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if n == 2 then
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msg = msg:sub(1, msg:find('\n', 1, true) - 1)
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end
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return msg
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end
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local function test_setup(suite, fn)
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_ACTION = "test"
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_ARGS = { }
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_OPTIONS = { }
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_OS = _OS_host
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premake.solution.list = { }
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premake.api.reset()
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io.indent = nil
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io.eol = "\n"
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-- reset captured I/O values
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test.value_openedfilename = nil
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test.value_openedfilemode = nil
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test.value_closedfile = false
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if suite.setup then
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return xpcall(suite.setup, error_handler)
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else
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return true
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end
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end
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local function test_run(suite, fn)
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io.capture()
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return xpcall(fn, error_handler)
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end
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local function test_teardown(suite, fn)
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if suite.teardown then
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return xpcall(suite.teardown, error_handler)
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else
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return true
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end
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end
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function test.declare(id)
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if T[id] then
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error("Duplicate test suite " .. id)
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end
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T[id] = {}
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return T[id]
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end
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function test.runall(suitename, testname)
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test.print = print
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print = stub_print
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io.open = stub_io_open
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io.output = stub_io_output
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local numpassed = 0
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local numfailed = 0
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local start_time = os.clock()
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function runtest(suitename, suitetests, testname, testfunc)
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if suitetests.setup ~= testfunc and suitetests.teardown ~= testfunc then
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local ok, err = test_setup(suitetests, testfunc)
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if ok then
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ok, err = test_run(suitetests, testfunc)
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end
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local tok, terr = test_teardown(suitetests, testfunc)
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ok = ok and tok
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err = err or terr
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if (not ok) then
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test.print(string.format("%s.%s: %s", suitename, testname, err))
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numfailed = numfailed + 1
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else
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numpassed = numpassed + 1
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end
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end
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end
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function runsuite(suitename, suitetests, testname)
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if testname then
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runtest(suitename, suitetests, testname, suitetests[testname])
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else
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for testname, testfunc in pairs(suitetests) do
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runtest(suitename, suitetests, testname, testfunc)
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end
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end
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end
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if suitename then
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runsuite(suitename, T[suitename], testname)
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else
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for suitename, suitetests in pairs(T) do
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runsuite(suitename, suitetests, testname)
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end
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end
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io.write('running time : ', os.clock() - start_time,'\n')
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print = test.print
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return numpassed, numfailed
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end
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