chore: improve coverage

index.js

@@ -38,6 +38,7 @@ class RedisClient extends EventEmitter {
     // TODO: Add a more restrictive options validation
     const cnxOptions = {}
     for (const tlsOption in options.tls) {
+      /* istanbul ignore else */
       if (options.tls.hasOwnProperty(tlsOption)) {
         cnxOptions[tlsOption] = options.tls[tlsOption]
         // Copy the tls options into the general options to make sure the address is set right
@@ -56,7 +57,7 @@ class RedisClient extends EventEmitter {
     } else {
       cnxOptions.port = +options.port || 6379
       cnxOptions.host = options.host || '127.0.0.1'
-      cnxOptions.family = (!options.family && net.isIP(cnxOptions.host)) || (options.family === 'IPv6' ? 6 : 4)
+      cnxOptions.family = (!options.family && net.isIP(cnxOptions.host)) || (options.host && options.family === 'IPv6' ? 6 : 4)
       this.address = `${cnxOptions.host}:${cnxOptions.port}`
     }
     // TODO: Properly fix typo
@@ -64,6 +65,7 @@ class RedisClient extends EventEmitter {
       options.socketKeepalive = true
     }
     for (const command in options.renameCommands) {
+      /* istanbul ignore else */
       if (options.renameCommands.hasOwnProperty(command)) {
         options.renameCommands[command.toLowerCase()] = options.renameCommands[command]
       }
@@ -234,7 +236,7 @@ class RedisClient extends EventEmitter {
       this._stream.unref()
     } else {
       debug('Not connected yet, will unref later')
-      this.once('connect', () => this._stream.unref())
+      this.once('connect', () => this.unref())
     }
   }
 
@@ -251,6 +253,7 @@ class RedisClient extends EventEmitter {
     const existingOptions = utils.clone(this._options)
     options = utils.clone(options)
     for (const elem in options) {
+      /* istanbul ignore else */
       if (options.hasOwnProperty(elem)) {
         existingOptions[elem] = options[elem]
       }
@@ -280,11 +283,11 @@ class RedisClient extends EventEmitter {
 
   // Note: this overrides a native function!
   multi (args) {
-    return new Multi(this, args, 'multi')
+    return new Multi(this, 'multi', args)
   }
 
   batch (args) {
-    return new Multi(this, args, 'batch')
+    return new Multi(this, 'batch', args)
   }
 
 }

lib/createClient.js

@@ -43,6 +43,7 @@ function unifyOptions (portArg, hostArg, options) {
       }
       if (parsed.search !== '') {
         for (var elem in parsed.query) {
+          /* istanbul ignore if */
           if (!Object.prototype.hasOwnProperty.call(parsed.query, elem)) {
             continue
           }

lib/multi.js

@@ -80,10 +80,7 @@ function execTransaction (multi) {
     err.command = 'EXEC'
     err.code = 'EXECABORT'
     return new Promise((resolve, reject) => {
-      utils.replyInOrder(client, (err, res) => {
+      utils.replyInOrder(client, reject, err)
-        if (err) return reject(err)
-        resolve(res)
-      }, null, [])
     })
   }
   const len = queue.length
@@ -145,14 +142,14 @@ class Multi {
   /**
    * Creates an instance of Multi.
    * @param {RedisClient} client
-   * @param {any[]} [args]
    * @param {string} [type]
+   * @param {any[]} [args]
    *
    * @memberof Multi
    */
-  constructor (client, args, type) {
+  constructor (client, type, args) {
     this._client = client
-    this._type = typeof type === 'string' ? type : 'multi'
+    this._type = type
     this._queue = new Queue()
     // Either undefined or an array. Fail hard if it's not an array
     if (args) {

lib/writeCommands.js

@@ -112,7 +112,7 @@ function toString (arg) {
 
 function returnErr (client, command) {
   const err = new TypeError('NodeRedis can not handle the provided arguments (see "error.issues" property).\n\nFurther information https://github.com/asd')
-  err.command = command.name.toUpperCase()
+  err.command = command.command.toUpperCase()
   err.args = command.args
   err.issues = errors
   errors = null

test/commands/client.spec.js

@@ -71,6 +71,14 @@ describe('The \'client\' method', () => {
             promises.push(client.get('foo').then(helper.isString('bar')))
             return Promise.all(promises)
           })
+
+          it('weird', function () {
+            helper.serverVersionAtLeast.call(this, client, [3, 2, 0])
+            assert.strictEqual(client._reply, 'ON')
+            const promise = client.client('REPLY', 'WEIRD').then(helper.fail, helper.isError())
+            assert.strictEqual(client._reply, 'ON')
+            return promise
+          })
         })
 
         describe('in a batch context', () => {
@@ -112,6 +120,14 @@ describe('The \'client\' method', () => {
                 assert.deepStrictEqual(res, ['OK', undefined, undefined, 'bar'])
               })
           })
+
+          it('weird', function () {
+            helper.serverVersionAtLeast.call(this, client, [3, 2, 0])
+            assert.strictEqual(client._reply, 'ON')
+            const promise = client.batch().client('REPLY', 'WEIRD').exec().then(helper.fail, helper.isError())
+            assert.strictEqual(client._reply, 'ON')
+            return promise
+          })
         })
       })
 

test/connection.spec.js

@@ -413,6 +413,20 @@ describe('connection tests', () => {
           })
         })
 
+        it('connects correctly even if the info command returns a empty string', (done) => {
+          client = Redis.createClient.apply(null, args)
+          const end = helper.callFuncAfter(done, 2)
+          client.info = function () {
+            // Mock the result
+            end()
+            return Promise.resolve('')
+          }
+          client.once('ready', () => {
+            assert.strictEqual(Object.keys(client.serverInfo).length, 0)
+            end()
+          })
+        })
+
         if (ip === 'IPv4') {
           it('allows connecting with the redis url to the default host and port, select db 3 and warn about duplicate db option', (done) => {
             client = Redis.createClient('redis:///3?db=3')

test/multi.spec.js

@@ -198,9 +198,12 @@ describe('The \'multi\' method', () => {
           client = redis.createClient({
             host: 'somewhere',
             port: 6379,
+            family: 'IPv6',
             retryStrategy () {}
           })
 
+          assert.strictEqual(client._connectionOptions.family, 6)
+
           client.on('error', (err) => {
             assert.strictEqual(err.code, 'NR_CLOSED')
             done()

test/node_redis.spec.js

@@ -57,6 +57,26 @@ describe('The nodeRedis client', () => {
     client._stream.destroy()
   })
 
+  describe('arguments validation', () => {
+    it('no boolean for enableOfflineQueue', () => {
+      try {
+        redis.createClient({ enableOfflineQueue: 'test' })
+        throw new Error('failed')
+      } catch (err) {
+        assert.strictEqual(err.name, 'TypeError')
+      }
+    })
+
+    it('no boolean for enableOfflineQueue', () => {
+      try {
+        redis.createClient({ password: 'test', authPass: 'foobar' })
+        throw new Error('failed')
+      } catch (err) {
+        assert.strictEqual(err.name, 'TypeError')
+      }
+    })
+  })
+
   helper.allTests((ip, args) => {
     describe(`using ${ip}`, () => {
       afterEach(() => {
@@ -69,6 +89,22 @@ describe('The nodeRedis client', () => {
           return client.flushdb()
         })
 
+        describe('argument errors', () => {
+          it('should return an error in case of "null" argument', () => {
+            return client.set('foo', null).then(helper.fail, (err) => {
+              assert.deepStrictEqual(err.issues, [null])
+            })
+          })
+
+          it('should return an error in case of unknown types', () => {
+            class Foo {}
+            const tmp = new Foo()
+            return client.set(tmp, undefined).then(helper.fail, (err) => {
+              assert.deepStrictEqual(err.issues, [tmp, undefined])
+            })
+          })
+        })
+
         describe('duplicate', () => {
           it('check if all options got copied properly', (done) => {
             client.selectedDb = 2