08-27-周三_17-09-29

node_modules/graceful-fs/test/open.js

@@ -0,0 +1,39 @@
+var test = require('tap').test
+var fs = require('../graceful-fs.js')
+
+test('graceful fs is monkeypatched fs', function (t) {
+  t.equal(fs, require('../fs.js'))
+  t.end()
+})
+
+test('open an existing file works', function (t) {
+  var fd = fs.openSync(__filename, 'r')
+  fs.closeSync(fd)
+  fs.open(__filename, 'r', function (er, fd) {
+    if (er) throw er
+    fs.close(fd, function (er) {
+      if (er) throw er
+      t.pass('works')
+      t.end()
+    })
+  })
+})
+
+test('open a non-existing file throws', function (t) {
+  var er
+  try {
+    var fd = fs.openSync('this file does not exist', 'r')
+  } catch (x) {
+    er = x
+  }
+  t.ok(er, 'should throw')
+  t.notOk(fd, 'should not get an fd')
+  t.equal(er.code, 'ENOENT')
+
+  fs.open('neither does this file', 'r', function (er, fd) {
+    t.ok(er, 'should throw')
+    t.notOk(fd, 'should not get an fd')
+    t.equal(er.code, 'ENOENT')
+    t.end()
+  })
+})