Refactor CLI and add tests

test/cli/index.js

@@ -0,0 +1,123 @@
+var os = require('os')
+var fs = require('fs')
+var path = require('path')
+var cp = require('child_process')
+var request = require('supertest')
+var rmrf = require('rimraf')
+var pkg = require('../../package.json')
+
+request = request('http://localhost:3000')
+
+var tmpDir = path.join(__dirname, '../../tmp')
+var dbFile = path.join(tmpDir, 'db.json')
+var routesFile = path.join(tmpDir, 'routes.json')
+
+function cli (args) {
+  var bin = path.join(__dirname, '../..', pkg.bin)
+  return cp.spawn('node', [bin].concat(args), {
+    stdio: 'inherit',
+    cwd: __dirname
+  })
+}
+
+/* global beforeEach, afterEach, describe, it */
+
+describe('cli', function () {
+
+  var child
+
+  beforeEach(function () {
+    fs.mkdirSync(tmpDir)
+    fs.writeFileSync(dbFile, JSON.stringify({ posts: [] }))
+    fs.writeFileSync(routesFile, JSON.stringify({ '/blog/': '/' }))
+  })
+
+  afterEach(function (done) {
+    rmrf.sync(tmpDir)
+    child.kill()
+    setTimeout(done, 1000)
+  })
+
+  describe('db.json', function () {
+
+    beforeEach(function (done) {
+      child = cli([dbFile])
+      setTimeout(done, 1000)
+    })
+
+    it('should support JSON dbFile', function (done) {
+      request.get('/posts').expect(200, done)
+    })
+
+  })
+
+  describe('seed.js', function () {
+
+    beforeEach(function (done) {
+      child = cli(['fixtures/seed.js'])
+      setTimeout(done, 1000)
+    })
+
+    it('should support JS file', function (done) {
+      request.get('/posts').expect(200, done)
+    })
+
+  })
+
+  describe('http://jsonplaceholder.typicode.com/db', function () {
+
+    beforeEach(function (done) {
+      this.timeout(6000)
+      child = cli(['http://jsonplaceholder.typicode.com/db'])
+      setTimeout(done, 5000)
+    })
+
+    it('should support URL file', function (done) {
+      request.get('/posts').expect(200, done)
+    })
+
+  })
+
+  describe('db.json -r routes.json', function () {
+
+    beforeEach(function (done) {
+      child = cli([dbFile, '-r', routesFile])
+      setTimeout(done, 1000)
+    })
+
+    it('should use routes.json', function (done) {
+      request.get('/blog/posts').expect(200, done)
+    })
+
+  })
+
+  // FIXME test fails on OS X and maybe on Windows
+  // But manually updating db.json works...
+  if (os.platform() === 'linux') {
+    describe('--watch db.json -r routes.json', function () {
+
+      beforeEach(function (done) {
+        child = cli(['--watch', dbFile, '-r', routesFile])
+        setTimeout(done, 1000)
+      })
+
+      it('should watch db file', function (done) {
+        fs.writeFileSync(dbFile, JSON.stringify({ foo: [] }))
+        setTimeout(function () {
+          request.get('/foo').expect(200, done)
+        }, 1000)
+      })
+
+      it('should watch routes file', function (done) {
+        // Can be very slow
+        this.timeout(10000)
+        fs.writeFileSync(routesFile, JSON.stringify({ '/api/': '/' }))
+        setTimeout(function () {
+          request.get('/api/posts').expect(200, done)
+        }, 9000)
+      })
+
+    })
+  }
+
+})