fix broken test and update to redislabs/redistimeseries:1.2.1 (palicao#11)

* fix broken test and update to redislabs/redistimeseries:1.2.1

* Improve readme

Author: palicao

.travis.yml

@@ -12,8 +12,8 @@ services:
   - docker
 
 before_install:
-  - docker pull redislabs/redistimeseries:1.0.3
-  - docker run -d -p 127.0.0.1:6379:6379 --name redis redislabs/redistimeseries:1.0.3
+  - docker pull redislabs/redistimeseries:1.2.1
+  - docker run -d -p 127.0.0.1:6379:6379 --name redis redislabs/redistimeseries:1.2.1
   - yes | pecl install igbinary redis || true
   - echo 'extension = redis.so' >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini
 

README.md

@@ -2,8 +2,8 @@
 
 Use [Redis Time Series](https://oss.redislabs.com/redistimeseries/) in PHP!
 
-![Code Climate maintainability](https://img.shields.io/codeclimate/coverage-letter/palicao/phpRedisTimeSeries?label=maintainability&logo=code-climate)
-![Code Climate coverage](https://img.shields.io/codeclimate/coverage/palicao/phpRedisTimeSeries?logo=code-climate)
+[![Maintainability](https://api.codeclimate.com/v1/badges/fea927b90378dd63a9d8/maintainability)](https://codeclimate.com/github/palicao/phpRedisTimeSeries/maintainability)
+[![Test Coverage](https://api.codeclimate.com/v1/badges/fea927b90378dd63a9d8/test_coverage)](https://codeclimate.com/github/palicao/phpRedisTimeSeries/test_coverage)
 [![Build Status](https://travis-ci.com/palicao/phpRedisTimeSeries.svg?branch=master)](https://travis-ci.com/palicao/phpRedisTimeSeries)
 [![Latest Stable Version](https://img.shields.io/packagist/v/palicao/php-redis-time-series.svg)](https://packagist.org/packages/palicao/php-redis-time-series)
 ![PHP version](https://img.shields.io/packagist/php-v/palicao/php-redis-time-series/2.0.0)

docker-compose.yml

@@ -11,4 +11,4 @@ services:
       - .:/app
   redis:
     container_name: redis
-    image: redislabs/redistimeseries:1.0.3
+    image: redislabs/redistimeseries:1.2.1

tests/Integration/IntegrationTest.php

@@ -9,11 +9,11 @@
 use DateTime;
 use DateTimeImmutable;
 use Palicao\PhpRedisTimeSeries\AggregationRule;
+use Palicao\PhpRedisTimeSeries\Client\RedisClient;
+use Palicao\PhpRedisTimeSeries\Client\RedisConnectionParams;
 use Palicao\PhpRedisTimeSeries\DateTimeUtils;
 use Palicao\PhpRedisTimeSeries\Filter;
 use Palicao\PhpRedisTimeSeries\Label;
-use Palicao\PhpRedisTimeSeries\Client\RedisClient;
-use Palicao\PhpRedisTimeSeries\Client\RedisConnectionParams;
 use Palicao\PhpRedisTimeSeries\Sample;
 use Palicao\PhpRedisTimeSeries\TimeSeries;
 use PHPUnit\Framework\TestCase;
@@ -156,7 +156,7 @@ public function testAddAndRetrieveKeysWithMultipleFilters(): void
     public function testAddAndRetrieveWithDateTimeObjectAsMultiRangeWithMultipleFilters(): void
     {
         $currentDate = new DateTime();
-        $from = $currentDate->sub(new DateInterval('P1D'));
+        $from = (clone $currentDate)->sub(new DateInterval('P1D'));
         $to = $currentDate;
 
         $this->sut->create(