static function loadObject($filename)
{
if (isset(self::$cache[$filename])) {
return self::$cache[$filename];
}
$D = new PhenomDwarfLineInfo($filename);
$D->parse();
self::$cache[$filename] = $D;
return $D;
}
public function runUnitTests()
{
// Build any unit tests
$this->make('build-tests');
// Now find all the test programs
$root = $this->getProjectRoot();
$futures = array();
$cg_files = array();
$obj_files = array();
$coverage = $this->getEnableCoverage();
$tests = $this->getTestsToRun();
foreach ($tests as $relname => $test) {
if ($coverage) {
$cg = new TempFile();
$cg_files[$relname] = $cg;
$obj_files[] = $test;
$test = 'valgrind --tool=callgrind --collect-jumps=yes ' . '--callgrind-out-file=' . $cg . ' ' . $test;
}
$futures[$relname] = new ExecFuture($test);
}
$results = array();
// Use a smaller limit for SunOS because my test VM has crappy
// timing characteristics and that causes timer.t to fail
$limit = PHP_OS == 'SunOS' ? 1 : 4;
foreach (Futures($futures)->limit($limit) as $test => $future) {
list($err, $stdout, $stderr) = $future->resolve();
$results[$test] = $this->parseTestResults($test, $err, $stdout, $stderr);
}
if ($coverage) {
// Find all executables, not just the test executables.
// We need to do this because the test executables may not
// include all of the possible code (linker decides to omit
// it from the image) so we see a skewed representation of
// the source lines.
$fp = popen("find {$root} -type f -name \\*.a -o -name \\*.so -o -name \\*.dylib", "r");
while (true) {
$line = fgets($fp);
if ($line === false) {
break;
}
$obj_files[] = trim($line);
}
// Parse line information from the objects
foreach ($obj_files as $object) {
PhenomDwarfLineInfo::loadObject($object);
}
// Now process coverage data files
foreach ($cg_files as $relname => $cg) {
$CG = new PhenomCallgrindFile((string) $cg);
$CG->parse();
$source_files = array();
foreach ($CG->getSourceFiles() as $filename) {
if (Filesystem::isDescendant($filename, $root) && !preg_match("/(thirdparty|tests)/", $filename)) {
$source_files[$filename] = $filename;
}
}
$cov = array();
foreach ($source_files as $filename) {
$relsrc = substr($filename, strlen($root) + 1);
$cov[$relsrc] = PhenomCallgrindFile::mergeSourceLineData($filename, array($CG));
}
// Update the coverage data for that test.
// arcanist will merge the final results
$results[$relname]->setCoverage($cov);
}
}
return $results;
}
function collectSourceFileData($sourcefile)
{
$all_lines = array();
$this->getTouchedLines($sourcefile, $all_lines);
foreach ($this->getObjectFiles() as $objfile) {
PhenomDwarfLineInfo::loadObject($objfile);
}
$exe_lines = PhenomDwarfLineInfo::mergedSourceLines($sourcefile);
$max_line = max($exe_lines);
/* now build a string containing the coverage info.
* This is compatible with ArcanistUnitTestResult coverage data:
* N not executable
* C covered
* U uncovered
* X unreachable (we can't detect that here)
*/
$cov = str_repeat('N', $max_line);
for ($i = 1; $i <= $max_line; $i++) {
if (isset($all_lines[$i])) {
$cov[$i - 1] = 'C';
} else {
if (isset($exe_lines[$i])) {
$cov[$i - 1] = 'U';
}
}
}
return $cov;
}
