first commit

build/node_modules/node-pre-gyp/lib/testpackage.js

@@ -0,0 +1,49 @@
+"use strict";
+
+module.exports = exports = testpackage;
+
+exports.usage = 'Tests that the staged package is valid';
+
+var fs = require('fs');
+var path = require('path');
+var log = require('npmlog');
+var existsAsync = fs.exists || path.exists;
+var versioning = require('./util/versioning.js');
+var testbinary = require('./testbinary.js');
+var read = require('fs').createReadStream;
+var zlib = require('zlib');
+
+function testpackage(gyp, argv, callback) {
+    var package_json = JSON.parse(fs.readFileSync('./package.json'));
+    var opts = versioning.evaluate(package_json, gyp.opts);
+    var tarball = opts.staged_tarball;
+    existsAsync(tarball, function(found) {
+        if (!found) {
+            return callback(new Error("Cannot test package because " + tarball + " missing: run `node-pre-gyp package` first"));
+        }
+        var to = opts.module_path;
+        var gunzip = zlib.createGunzip();
+        var extracter = require('tar').Extract({ path: to, strip: 1 });
+        function filter_func(entry) {
+            // ensure directories are +x
+            // https://github.com/mapnik/node-mapnik/issues/262
+            entry.props.mode |= (entry.props.mode >>> 2) & parseInt('0111',8);
+            log.info('install','unpacking ' + entry.path);
+        }
+        gunzip.on('error', callback);
+        extracter.on('error', callback);
+        extracter.on('entry', filter_func);
+        extracter.on('end', function(err) {
+            if (err) return callback(err);
+            testbinary(gyp,argv,function(err) {
+                if (err) {
+                    return callback(err);
+                } else {
+                    console.log('['+package_json.name+'] Package appears valid');
+                    return callback();
+                }
+            });
+        });
+        read(tarball).pipe(gunzip).pipe(extracter);
+    });
+}