Testing Dependencies: Fake It While You Make It

• WebMock

  9 3,913 7.9 Ruby

  Library for stubbing and setting expectations on HTTP requests in Ruby.

We can avoid managing HTTP communication with our dependency. Instead, we'll stub out how we expect it to respond. In this case, we'll use webmock to stub out a response at the HTTP layer.

• capybara_discoball

  1 128 0.0 Ruby

  Spin up an external server just for Capybara

  

We can use the FakeWeather API rather than the real one using a tool like capybara_discoball.

• InfluxDB

  www.influxdata.com featured

  Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

  

• vcr

  20 5,751 6.4 Ruby

  Record your test suite's HTTP interactions and replay them during future test runs for fast, deterministic, accurate tests.

  

We'll use a tool called vcr to capture real HTTP requests and responses, storing and using them from then on. VCR's language and terminology leans heavily into its real-world analogue. If you don't know what a VCR is, it's a box we used to hook up to TVs to watch movies before DVD players. If you don't know what a DVD player is, it's a box we used to hook up to TVs to watch movies before streaming.

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