WIP: Added some basic unit tests

- Added unit test
- Added test fixtures
- Added test utils

test/unit/connection.test.js

@@ -0,0 +1,194 @@
+'use strict'
+
+const { test } = require('tap')
+const { buildServer } = require('../utils')
+const Connection = require('../../lib/Connection')
+
+test('Basic (http)', t => {
+  t.plan(4)
+
+  function handler (req, res) {
+    t.match(req.headers, {
+      'x-custom-test': 'true',
+      connection: 'keep-alive'
+    })
+    res.end('ok')
+  }
+
+  buildServer(handler, ({ port }, server) => {
+    const connection = new Connection({
+      host: {
+        href: `http://localhost:${port}`,
+        protocol: 'http:'
+      }
+    })
+    connection.request({
+      path: '/hello',
+      method: 'GET',
+      headers: {
+        'X-Custom-Test': true
+      }
+    }, (err, res) => {
+      t.error(err)
+
+      t.match(res.headers, {
+        connection: 'keep-alive'
+      })
+
+      var payload = ''
+      res.setEncoding('utf8')
+      res.on('data', chunk => { payload += chunk })
+      res.on('error', err => t.fail(err))
+      res.on('end', () => {
+        t.strictEqual(payload, 'ok')
+      })
+    })
+  })
+})
+
+test('Basic (https)', t => {
+  t.plan(4)
+
+  function handler (req, res) {
+    t.match(req.headers, {
+      'x-custom-test': 'true',
+      connection: 'keep-alive'
+    })
+    res.end('ok')
+  }
+
+  buildServer(handler, { secure: true }, ({ port }, server) => {
+    const connection = new Connection({
+      host: {
+        href: `https://localhost:${port}`,
+        protocol: 'https:'
+      }
+    })
+    connection.request({
+      path: '/hello',
+      method: 'GET',
+      headers: {
+        'X-Custom-Test': true
+      }
+    }, (err, res) => {
+      t.error(err)
+
+      t.match(res.headers, {
+        connection: 'keep-alive'
+      })
+
+      var payload = ''
+      res.setEncoding('utf8')
+      res.on('data', chunk => { payload += chunk })
+      res.on('error', err => t.fail(err))
+      res.on('end', () => {
+        t.strictEqual(payload, 'ok')
+      })
+    })
+  })
+})
+
+test('Basic (https with ssl agent)', t => {
+  t.plan(4)
+
+  function handler (req, res) {
+    t.match(req.headers, {
+      'x-custom-test': 'true',
+      connection: 'keep-alive'
+    })
+    res.end('ok')
+  }
+
+  buildServer(handler, { secure: true }, ({ port, key, cert }, server) => {
+    const connection = new Connection({
+      host: {
+        href: `https://localhost:${port}`,
+        protocol: 'https:'
+      },
+      ssl: { key, cert }
+    })
+    connection.request({
+      path: '/hello',
+      method: 'GET',
+      headers: {
+        'X-Custom-Test': true
+      }
+    }, (err, res) => {
+      t.error(err)
+
+      t.match(res.headers, {
+        connection: 'keep-alive'
+      })
+
+      var payload = ''
+      res.setEncoding('utf8')
+      res.on('data', chunk => { payload += chunk })
+      res.on('error', err => t.fail(err))
+      res.on('end', () => {
+        t.strictEqual(payload, 'ok')
+      })
+    })
+  })
+})
+
+test('Disable keep alive', t => {
+  t.plan(3)
+
+  function handler (req, res) {
+    t.match(req.headers, {
+      'x-custom-test': 'true',
+      connection: 'close'
+    })
+    res.end('ok')
+  }
+
+  buildServer(handler, ({ port }, server) => {
+    const connection = new Connection({
+      host: {
+        href: `http://localhost:${port}`,
+        protocol: 'http:'
+      },
+      agent: { keepAlive: false }
+    })
+    connection.request({
+      path: '/hello',
+      method: 'GET',
+      headers: {
+        'X-Custom-Test': true
+      }
+    }, (err, res) => {
+      t.error(err)
+
+      t.match(res.headers, {
+        connection: 'close'
+      })
+    })
+  })
+})
+
+test('Timeout support', t => {
+  t.plan(1)
+
+  function handler (req, res) {
+    setTimeout(
+      () => res.end('ok'),
+      1000
+    )
+  }
+
+  buildServer(handler, ({ port }, server) => {
+    const connection = new Connection({
+      host: {
+        href: `http://localhost:${port}`,
+        protocol: 'http:'
+      }
+    })
+    connection.request({
+      path: '/hello',
+      method: 'GET',
+      timeout: 500
+    }, (err, res) => {
+      t.ok(err.message, 'Request timed out')
+    })
+  })
+})