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

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+"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 napi = require('./util/napi.js');
+var testbinary = require('./testbinary.js');
+var tar = require('tar');
+var mkdirp = require('mkdirp');
+
+function testpackage(gyp, argv, callback) {
+    var package_json = JSON.parse(fs.readFileSync('./package.json'));
+    var napi_build_version = napi.get_napi_build_version_from_command_args(argv);
+    var opts = versioning.evaluate(package_json, gyp.opts, napi_build_version);
+    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;
+        function filter_func(entry) {
+            log.info('install','unpacking [' + entry.path + ']');
+        }
+
+        mkdirp(to, function(err) {
+            if (err) {
+                return callback(err);
+            } else {
+                tar.extract({
+                    file: tarball,
+                    cwd: to,
+                    strip: 1,
+                    onentry: filter_func
+                }).then(after_extract, callback);
+            }
+        });
+
+        function after_extract() {
+            testbinary(gyp,argv,function(err) {
+                if (err) {
+                    return callback(err);
+                } else {
+                    console.log('['+package_json.name+'] Package appears valid');
+                    return callback();
+                }
+            });
+        }
+    });
+}