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Add --cov code coverage option

v0.7.4-release
Ryan Dahl 14 years ago
parent
commit
b4ff36a41b
  1. 16
      lib/module.js
  2. 6
      src/node.cc
  3. 17
      src/node.js
  4. 4
      test/common.js

16
lib/module.js

@ -347,6 +347,22 @@ Module.prototype._compile = function(content, filename) {
// remove shebang
content = content.replace(/^\#\!.*/, '');
// add coverage
if (process.cov) {
var lines = content.split('\n');
if (lines.length > 0) {
lines[0] = '__cov[__filename] = { 0: true}; ' + lines[0];
}
for (var i = 0; i < lines.length; i++) {
lines[i] =
lines[i].replace(/;$/, '; __cov[__filename][' + i + '] = true;');
}
content = lines.join('\n');
}
function require(path) {
return Module._load(path, self);
}

6
src/node.cc

@ -107,6 +107,7 @@ static char *eval_string = NULL;
static int option_end_index = 0;
static bool use_debug_agent = false;
static bool debug_wait_connect = false;
static bool cov = false;
static int debug_port=5858;
static int max_stack_size = 0;
@ -2029,6 +2030,7 @@ Handle<Object> SetupProcessObject(int argc, char *argv[]) {
process->Set(String::NewSymbol("ENV"), ENV);
process->Set(String::NewSymbol("pid"), Integer::New(getpid()));
process->Set(String::NewSymbol("cov"), cov ? True() : False());
// -e, --eval
if (eval_string) {
@ -2171,6 +2173,7 @@ static void PrintHelp() {
" --v8-options print v8 command line options\n"
" --vars print various compiled-in variables\n"
" --max-stack-size=val set max v8 stack size (bytes)\n"
" --cov code coverage; writes node-cov.json \n"
"\n"
"Enviromental variables:\n"
"NODE_PATH ':'-separated list of directories\n"
@ -2193,6 +2196,9 @@ static void ParseArgs(int argc, char **argv) {
if (strstr(arg, "--debug") == arg) {
ParseDebugOpt(arg);
argv[i] = const_cast<char*>("");
} else if (!strcmp(arg, "--cov")) {
cov = true;
argv[i] = const_cast<char*>("");
} else if (strcmp(arg, "--version") == 0 || strcmp(arg, "-v") == 0) {
printf("%s\n", NODE_VERSION);
exit(0);

17
src/node.js

@ -111,6 +111,9 @@
global.GLOBAL = global;
global.root = global;
global.Buffer = NativeModule.require('buffer').Buffer;
if (process.cov) {
global.__cov = {};
}
};
startup.globalTimeouts = function() {
@ -343,6 +346,20 @@
var path = NativeModule.require('path');
process.argv[0] = path.join(cwd, process.argv[0]);
}
if (process.cov) {
process.on('exit', function() {
var coverage = JSON.stringify(__cov);
var path = NativeModule.require('path');
var fs = NativeModule.require('fs');
var filename = path.join(cwd, 'node-cov.json');
try {
fs.unlinkSync(filename);
} catch(e) {
}
fs.writeFileSync(filename, coverage);
});
}
};
// Below you find a minimal module system, which is used to load the node

4
test/common.js

@ -64,6 +64,10 @@ process.on('exit', function() {
knownGlobals.push(gc);
}
if (global.__cov) {
knownGlobals.push(__cov);
}
if (global.DTRACE_HTTP_SERVER_RESPONSE) {
knownGlobals.push(DTRACE_HTTP_SERVER_RESPONSE);
knownGlobals.push(DTRACE_HTTP_SERVER_REQUEST);

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