Ruby Rspec Expect Greater Than

Rspec includes support for numerical comparisons like greater than and less than or equal to.

Ruby rspec expect greater than. At the most basic level rspec is a domain specific language written in ruby or for the rest of us a language specialized for a particular task. Use the be matcher followed by the proper ruby operator. In early 2010 after the release of rspec 1 3 david and chad began working on rspec 2. Rspec expectations ships with a number of built in matchers.

There is a corresponding form of abbreviated assignment operator. Rspec rspec core rspec expectations rspec mocks and rspec support. Each matcher can be used with expect to or expect not to to define positive and negative expectations respectively on an object. Become a contributor and improve the site yourself.

For each operator plus. You ll need to include the dependent rspec repos as well. The new syntax affords us the chance to make a clean break from the inconsistencies of the. Instantly publish your gems and then install them use the api to find out more about available gems.

In this case the task is testing ruby code. Most matchers can also be accessed using the should and should not syntax. Method in the object referred to by variable a is called with b as its argument. Rspec describe an integer do it is equal to another integer of the same value do expect 5 to eql 5 end it is not equal to another integer of a different value do expect 5 not to eql 6 end it is not equal to a float of the same value do expect 5 not to eql 5 0 end end.

See using should syntax for why we recommend using expect. For example expect 10 to be 5 will pass if 10 is found to be greater than or equal to 5. While operator matchers are intuitive to use they require special handling in rspec for them to work right due to ruby s precedence rules. Furthermore should generates a ruby warning 1 and people have been occasionally surprised by the fact that should does not work as they might expect 2.

Ruby supports a rich set of operators as you d expect from a modern language. The rspec gem comes packaged with all you need to get started including five gems. Most operators are actually method calls. B is interpreted as a plus b where the plus.

If you want to use rspec expectations with rspec just install the rspec gem and rubygems will also install rspec expectations for you along with rspec core and rspec mocks. The project got split into separate modular pieces that could be used individually or all together.