Changes

node_modules/pkginfo/test/pkginfo-test.js

@@ -0,0 +1,83 @@
+/*
+ * pkginfo-test.js: Tests for the pkginfo module.
+ *
+ * (C) 2011, Charlie Robbins
+ *
+ */
+
+var assert = require('assert'),
+    exec = require('child_process').exec,
+    fs = require('fs'),
+    path = require('path'),
+    vows = require('vows'),
+    pkginfo = require('../lib/pkginfo');
+
+function assertProperties (source, target) {
+  assert.lengthOf(source, target.length + 1);
+  target.forEach(function (prop) {
+    assert.isTrue(!!~source.indexOf(prop));
+  });
+}
+
+function compareWithExample(targetPath) {
+  var examplePaths = ['package.json'];
+  
+  if (targetPath) {
+    examplePaths.unshift(targetPath);
+  }
+  
+  return function(exposed) {
+    var pkg = fs.readFileSync(path.join.apply(null, [__dirname, '..', 'examples'].concat(examplePaths))).toString(),
+        keys = Object.keys(JSON.parse(pkg));
+    
+    assertProperties(exposed, keys);
+  };
+}
+
+function testExposes (options) {
+  return {
+    topic: function () {
+      exec('node ' + path.join(__dirname, '..', 'examples', options.script), this.callback);
+    },
+    "should expose that property correctly": function (err, stdout, stderr) {
+      assert.isNull(err);
+      
+      var exposed = stderr.match(/'(\w+)'/ig).map(function (p) { 
+        return p.substring(1, p.length - 1);
+      });
+      
+      return !options.assert 
+        ? assertProperties(exposed, options.properties)
+        : options.assert(exposed);
+    }
+  }
+}
+
+vows.describe('pkginfo').addBatch({
+  "When using the pkginfo module": {
+    "and passed a single `string` argument": testExposes({
+      script: 'single-property.js',
+      properties: ['version']
+    }),
+    "and passed multiple `string` arguments": testExposes({
+      script: 'multiple-properties.js',
+      properties: ['version', 'author']
+    }),
+    "and passed an `object` argument": testExposes({
+      script: 'object-argument.js',
+      properties: ['version', 'author']
+    }),
+    "and passed an `array` argument": testExposes({
+      script: 'array-argument.js',
+      properties: ['version', 'author']
+    }),
+    "and read from a specified directory": testExposes({
+      script: 'target-dir.js',
+      assert: compareWithExample('subdir')
+    }),
+    "and passed no arguments": testExposes({
+      script: 'all-properties.js',
+      assert: compareWithExample()
+    })
+  }
+}).export(module);