493 lines
9.7 KiB
Lua
493 lines
9.7 KiB
Lua
--
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-- tests/testfx.lua
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-- Automated test framework for Premake.
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-- Copyright (c) 2008-2014 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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test.suppressed = {}
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--
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-- Capture stderr for testing.
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--
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local stderr_capture = nil
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local mt = getmetatable(io.stderr)
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local builtin_write = mt.write
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mt.write = function(...)
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if select(1,...) == io.stderr then
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stderr_capture = (stderr_capture or "") .. select(2,...)
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else
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return builtin_write(...)
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end
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end
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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 = premake.captured() .. premake.eol()
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-- create line-by-line iterators for both values
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local ait = actual:gfind("(.-)" .. premake.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(expected, actual)
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if type(expected) == "table" then
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for i, v in ipairs(expected) do
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test.contains(v, actual)
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end
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elseif not table.contains(actual, 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.excludes(expected, actual)
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if type(expected) == "table" then
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for i, v in ipairs(expected) do
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test.excludes(v, actual)
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end
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elseif table.contains(actual, expected) then
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test.fail("excluded value %s 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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local arg = {...}
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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 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.hasoutput()
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local actual = premake.captured()
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if actual == "" then
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test.fail("expected output, received none");
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end
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end
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function test.isemptycapture()
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local actual = premake.captured()
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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.issame(expected, action)
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if expected ~= action then
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test.fail("expected same value")
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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.missing(value, actual)
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if table.contains(actual, value) then
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test.fail("unexpected value %s found", value)
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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, ...)
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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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function test.stderr(expected)
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if not expected and stderr_capture then
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test.fail("Unexpected: " .. stderr_capture)
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elseif expected then
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if not stderr_capture or not stderr_capture:find(expected) then
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test.fail(string.format("expected '%s'; got %s", expected, stderr_capture or "(nil)"))
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end
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end
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end
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function test.notstderr(expected)
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if not expected and not stderr_capture then
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test.fail("Expected output on stderr; none received")
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elseif expected then
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if stderr_capture and stderr_capture:find(expected) then
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test.fail(string.format("stderr contains '%s'; was %s", expected, stderr_capture))
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end
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end
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end
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--
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-- Some helper functions
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--
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function test.createsolution()
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local sln = solution "MySolution"
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configurations { "Debug", "Release" }
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local prj = project "MyProject"
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language "C++"
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kind "ConsoleApp"
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return sln, prj
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end
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function test.createproject(sln)
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local n = #sln.projects + 1
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if n == 1 then n = "" end
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local prj = project ("MyProject" .. n)
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language "C++"
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kind "ConsoleApp"
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return prj
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end
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function test.getsolution(sln)
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premake.oven.bake()
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return premake.global.getSolution(sln.name)
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end
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function test.getproject(sln, i)
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sln = test.getsolution(sln)
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return premake.solution.getproject(sln, i or 1)
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end
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function test.getconfig(prj, buildcfg, platform)
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sln = test.getsolution(prj.solution)
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prj = premake.solution.getproject(sln, prj.name)
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return premake.project.getconfig(prj, buildcfg, platform)
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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 _OPTIONS_host = _OPTIONS
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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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_OS = _OS_host
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_OPTIONS = {}
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setmetatable(_OPTIONS, getmetatable(_OPTIONS_host))
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stderr_capture = nil
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premake.clearWarnings()
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premake.eol("\n")
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premake.escaper(nil)
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premake.indent("\t")
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premake.api.reset()
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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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local result, err
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premake.capture(function()
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result, err = xpcall(fn, error_handler)
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end)
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return result, err
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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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_TESTS_DIR = _TESTS_DIR,
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_SCRIPT_DIR = _SCRIPT_DIR,
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}
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return T[id]
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end
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function test.suppress(id)
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if type(id) == "table" then
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for i = 1, #id do
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test.suppress(id[i])
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end
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else
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test.suppressed[id] = true
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end
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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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local real_print = print
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local real_open = io.open
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local real_output = io.output
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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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function runtest(suitename, suitetests, testname, testfunc)
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if suitetests.setup ~= testfunc and
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suitetests.teardown ~= testfunc and
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not test.suppressed[suitename .. "." .. testname]
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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 suitetests and not test.suppressed[suitename] then
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_TESTS_DIR = suitetests._TESTS_DIR
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_SCRIPT_DIR = suitetests._SCRIPT_DIR
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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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if type(testfunc) == "function" then
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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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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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print = real_print
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io.open = real_open
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io.output = real_output
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return numpassed, numfailed
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end
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