Added test case for the ordering warning

.gitignore

@@ -4,3 +4,4 @@ node_modules
 .migrate
 *.db
 migrations/
+test/fixtures/tmp

test/integration.js

@@ -0,0 +1,57 @@
+/* global describe, it, beforeEach */
+const path = require('path')
+const assert = require('assert')
+const rimraf = require('rimraf')
+const mkdirp = require('mkdirp')
+const run = require('./util/run')
+
+// Paths
+const TMP_DIR = path.join(__dirname, 'fixtures', 'tmp')
+
+function reset () {
+  rimraf.sync(TMP_DIR)
+  mkdirp.sync(TMP_DIR)
+}
+
+describe('integration tests', function () {
+  beforeEach(reset)
+
+  it('should warn when the migrations are run out of order', function (done) {
+    run.init(TMP_DIR, [], function (err, out, code) {
+      assert(!err)
+      assert.equal(code, 0)
+
+      run.create(TMP_DIR, ['1-one', '-d', 'W'], function (err, out, code) {
+        assert(!err)
+        assert.equal(code, 0)
+
+        run.create(TMP_DIR, ['3-three', '-d', 'W'], function (err, out, code) {
+          assert(!err)
+          assert.equal(code, 0)
+
+          run.up(TMP_DIR, [], function (err, out, code) {
+            assert(!err)
+            assert.equal(code, 0)
+
+            run.create(TMP_DIR, ['2-two', '-d', 'W'], function (err, out, code) {
+              assert(!err)
+              assert.equal(code, 0)
+
+              run.up(TMP_DIR, [], function (err, out, code) {
+                assert(!err)
+                assert.equal(code, 0)
+
+                // A warning should log, and the process not exit with 0
+                // because migration 2 should come before migration 3,
+                // but migration 3 was already run from the previous
+                // state
+                assert(out.indexOf('warn') !== -1)
+                done()
+              })
+            })
+          })
+        })
+      })
+    })
+  })
+})

test/util/run.js

@@ -1,7 +1,8 @@
 'use strict'
+const path = require('path')
 const spawn = require('child_process').spawn
 
-module.exports = function run (cmd, dir, args, done) {
+var run = module.exports = function run (cmd, dir, args, done) {
   var p = spawn(cmd, ['-c', dir, ...args])
   var out = ''
   p.stdout.on('data', function (d) {
@@ -12,9 +13,13 @@ module.exports = function run (cmd, dir, args, done) {
   })
   p.on('error', done)
   p.on('close', function (code) {
-    if (code !== 0) {
-      console.error(out)
-    }
     done(null, out, code)
   })
 }
+
+// Run specific commands
+module.exports.up = run.bind(null, path.join(__dirname, '..', '..', 'bin', 'migrate-up'))
+module.exports.down = run.bind(null, path.join(__dirname, '..', '..', 'bin', 'migrate-down'))
+module.exports.create = run.bind(null, path.join(__dirname, '..', '..', 'bin', 'migrate-create'))
+module.exports.init = run.bind(null, path.join(__dirname, '..', '..', 'bin', 'migrate-init'))
+module.exports.list = run.bind(null, path.join(__dirname, '..', '..', 'bin', 'migrate-list'))