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#
#
# Nimrod Tester
# (c) Copyright 2014 Andreas Rumpf
#
# See the file "copying.txt", included in this
# distribution, for details about the copyright.
#
## This program verifies Nimrod against the testcases.
import
parseutils, strutils, pegs, os, osproc, streams, parsecfg, json,
marshal, backend, parseopt, specs, htmlgen, browsers, terminal
const
resultsFile = "testresults.html"
jsonFile = "testresults.json"
Usage = """Usage:
tester [options] command [arguments]
Command:
all run all tests
c|category <category> run all the tests of a certain category
html [commit] generate $1 from the database; uses the latest
commit or a specific one (use -1 for the commit
before latest etc)
Arguments:
arguments are passed to the compiler
Options:
--print also print results to the console
""" % resultsFile
type
Category = distinct string
TResults = object
total, passed, skipped: int
data: string
TTest = object
name: string
cat: Category
options: string
target: TTarget
action: TTestAction
# ----------------------------------------------------------------------------
let
pegLineError =
peg"{[^(]*} '(' {\d+} ', ' \d+ ') ' ('Error') ':' \s* {.*}"
pegOtherError = peg"'Error:' \s* {.*}"
pegSuccess = peg"'Hint: operation successful'.*"
pegOfInterest = pegLineError / pegOtherError
proc callCompiler(cmdTemplate, filename, options: string,
target: TTarget): TSpec =
let c = parseCmdLine(cmdTemplate % ["target", targetToCmd[target],
"options", options, "file", filename])
var p = startProcess(command=c[0], args=c[1.. -1],
options={poStdErrToStdOut, poUseShell})
let outp = p.outputStream
var suc = ""
var err = ""
var x = newStringOfCap(120)
while outp.readLine(x.TaintedString) or running(p):
if x =~ pegOfInterest:
# `err` should contain the last error/warning message
err = x
elif x =~ pegSuccess:
suc = x
close(p)
result.msg = ""
result.file = ""
result.outp = ""
result.line = -1
if err =~ pegLineError:
result.file = extractFilename(matches[0])
result.line = parseInt(matches[1])
result.msg = matches[2]
elif err =~ pegOtherError:
result.msg = matches[0]
elif suc =~ pegSuccess:
result.err = reSuccess
proc initResults: TResults =
result.total = 0
result.passed = 0
result.skipped = 0
result.data = ""
proc readResults(filename: string): TResults =
result = marshal.to[TResults](readFile(filename).string)
proc writeResults(filename: string, r: TResults) =
writeFile(filename, $$r)
proc `$`(x: TResults): string =
result = ("Tests passed: $1 / $3 <br />\n" &
"Tests skipped: $2 / $3 <br />\n") %
[$x.passed, $x.skipped, $x.total]
proc addResult(r: var TResults, test: TTest,
expected, given: string, success: TResultEnum) =
let name = test.name.extractFilename & test.options
backend.writeTestResult(name = name,
category = test.cat.string,
target = $test.target,
action = $test.action,
result = $success,
expected = expected,
given = given)
r.data.addf("$#\t$#\t$#\t$#", name, expected, given, $success)
if success notin {reSuccess, reIgnored}:
styledEcho styleBright, name, fgRed, " [", $success, "]"
echo"Expected:"
styledEcho styleBright, expected
echo"Given:"
styledEcho styleBright, given
proc cmpMsgs(r: var TResults, expected, given: TSpec, test: TTest) =
if strip(expected.msg) notin strip(given.msg):
r.addResult(test, expected.msg, given.msg, reMsgsDiffer)
elif extractFilename(expected.file) != extractFilename(given.file) and
"internal error:" notin expected.msg:
r.addResult(test, expected.file, given.file, reFilesDiffer)
elif expected.line != given.line and expected.line != 0:
r.addResult(test, $expected.line, $given.line, reLinesDiffer)
else:
r.addResult(test, expected.msg, given.msg, reSuccess)
inc(r.passed)
proc generatedFile(path, name: string, target: TTarget): string =
let ext = targetToExt[target]
result = path / "nimcache" /
(if target == targetJS: path.splitPath.tail & "_" else: "") &
name.changeFileExt(ext)
proc codegenCheck(test: TTest, check: string, given: var TSpec) =
if check.len > 0:
try:
let (path, name, ext2) = test.name.splitFile
let genFile = generatedFile(path, name, test.target)
echo genFile
let contents = readFile(genFile).string
if contents.find(check.peg) < 0:
given.err = reCodegenFailure
except EInvalidValue:
given.err = reInvalidPeg
except EIO:
given.err = reCodeNotFound
proc testSpec(r: var TResults, test: TTest) =
# major entry point for a single test
let tname = test.name.addFileExt(".nim")
inc(r.total)
styledEcho "Processing ", fgCyan, extractFilename(tname)
var expected = parseSpec(tname)
if expected.err == reIgnored:
r.addResult(test, "", "", reIgnored)
inc(r.skipped)
else:
case expected.action
of actionCompile:
var given = callCompiler(expected.cmd, test.name, test.options,
test.target)
if given.err == reSuccess:
codegenCheck(test, expected.ccodeCheck, given)
r.addResult(test, "", given.msg, given.err)
if given.err == reSuccess: inc(r.passed)
of actionRun:
var given = callCompiler(expected.cmd, test.name, test.options,
test.target)
if given.err != reSuccess:
r.addResult(test, "", given.msg, given.err)
else:
var exeFile: string
if test.target == targetJS:
let (dir, file, ext) = splitFile(tname)
exeFile = dir / "nimcache" / file & ".js"
else:
exeFile = changeFileExt(tname, ExeExt)
if existsFile(exeFile):
if test.target == targetJS and findExe("nodejs") == "":
r.addResult(test, expected.outp, "nodejs binary not in PATH",
reExeNotFound)
return
var (buf, exitCode) = execCmdEx(
(if test.target == targetJS: "nodejs " else: "") & exeFile)
if exitCode != expected.ExitCode:
r.addResult(test, "exitcode: " & $expected.exitCode,
"exitcode: " & $exitCode, reExitCodesDiffer)
else:
if strip(buf.string) != strip(expected.outp):
if not (expected.substr and expected.outp in buf.string):
given.err = reOutputsDiffer
if given.err == reSuccess:
codeGenCheck(test, expected.ccodeCheck, given)
if given.err == reSuccess: inc(r.passed)
r.addResult(test, expected.outp, buf.string, given.err)
else:
r.addResult(test, expected.outp, "executable not found", reExeNotFound)
of actionReject:
var given = callCompiler(expected.cmd, test.name, test.options,
test.target)
cmpMsgs(r, expected, given, test)
proc testNoSpec(r: var TResults, test: TTest) =
# does not extract the spec because the file is not supposed to have any
let tname = test.name.addFileExt(".nim")
inc(r.total)
styledEcho "Processing ", fgCyan, extractFilename(tname)
let given = callCompiler(cmdTemplate, test.name, test.options, test.target)
r.addResult(test, "", given.msg, given.err)
if given.err == reSuccess: inc(r.passed)
proc makeTest(test, options: string, cat: Category, action = actionCompile,
target = targetC): TTest =
# start with 'actionCompile', will be overwritten in the spec:
result = TTest(cat: cat, name: test, options: options,
target: target, action: action)
include categories
# proc runCaasTests(r: var TResults) =
# for test, output, status, mode in caasTestsRunner():
# r.addResult(test, "", output & "-> " & $mode,
# if status: reSuccess else: reOutputsDiffer)
proc main() =
os.putenv "NIMTEST_NO_COLOR", "1"
os.putenv "NIMTEST_OUTPUT_LVL", "PRINT_FAILURES"
backend.open()
var optPrintResults = false
var p = initOptParser()
p.next()
if p.kind == cmdLongoption:
case p.key.string.normalize
of "print", "verbose": optPrintResults = true
else: quit usage
p.next()
if p.kind != cmdArgument: quit usage
var action = p.key.string.normalize
p.next()
var r = initResults()
case action
of "all":
let testsDir = "tests" & dirSep
for kind, dir in walkDir(testsDir):
assert testsDir.startsWith(testsDir)
let cat = dir[testsDir.len .. -1]
if kind == pcDir and cat notin ["testament", "testdata", "nimcache"]:
processCategory(r, Category(cat), p.cmdLineRest.string)
for a in AdditionalCategories:
processCategory(r, Category(a), p.cmdLineRest.string)
of "c", "cat", "category":
var cat = Category(p.key)
p.next
processCategory(r, cat, p.cmdLineRest.string)
of "html":
var commit = 0
discard parseInt(p.cmdLineRest.string, commit)
generateHtml(resultsFile, commit)
generateJson(jsonFile, commit)
else:
quit usage
if optPrintResults:
if action == "html": openDefaultBrowser(resultsFile)
else: echo r, r.data
backend.close()
if paramCount() == 0:
quit usage
main()
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