some tests for index.js parsing

test/fixtures/indexjs-bad/index.js

@@ -0,0 +1,14 @@
+/**package
+ * {
+ *   "name": "indexjs-test",
+ *   "version": "1.2.3",
+ *   "description": "Did you know npm could do this, even?",
+ *   "main": "index.js"
+ *
+ *   but alas, 'twas not to be,
+ *   for, when parse the comment we,
+ *   json is not there to see
+ *
+ * }
+ **/
+console.log('just a broken single-file package')

test/fixtures/indexjs/index.js

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+/**package
+ * {
+ *   "name": "indexjs-test",
+ *   "version": "1.2.3",
+ *   "description": "Did you know npm could do this, even?",
+ *   "main": "index.js"
+ * }
+ **/
+console.log('just a simple single-file package')

test/indexjs.js

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+const t = require('tap')
+const read = require('../')
+const { resolve } = require('path')
+t.test('read from an index.js file', t => {
+  const fixture = resolve(__dirname, 'fixtures/indexjs/package.json')
+  read(fixture, (er, data) => {
+    if (er) {
+      throw er
+    }
+    t.match(data, {
+      name: 'indexjs-test',
+      version: '1.2.3',
+      description: 'Did you know npm could do this, even?',
+      main: 'index.js',
+      readme: 'ERROR: No README data found!',
+      _id: '[email protected]'
+    })
+    t.end()
+  })
+})
+
+t.test('read broken json', t => {
+  const fixture = resolve(__dirname, 'fixtures/indexjs-bad/package.json')
+  read(fixture, (er, data) => {
+    t.match(er, {
+      code: 'ENOENT',
+      path: fixture
+    })
+    t.notOk(data)
+    t.end()
+  })
+})