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05/12/19 · The describe and it methods come from rspeccore The Order, LineItem, Item and Money classes would be from your code The last line of the example expresses an expected outcome If ordertotal == Moneynew(555, USD), then the example passesIf not, it fails with a message like expected # got #02/12/19 · RSpec is a behaviordriven development (BDD) testing tool for Ruby, and is widely used for testing both plain ol' Ruby and fullon Rails applications I'm writing this as an intro to some basic patterns and syntax used in RSpec Rails testing, as well as some basic BDD strategy for breaking down code into testable unitsRspecexpecations provides a number of useful Matchers we use to compose expectations A Matcher is any object that responds to the following methods

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Raise error ruby rspec-RSpec tests for your Puppet manifests & modules Installation gem install rspecpuppet Naming conventions For clarity and consistency, I recommend that you use the following directory structure and naming conventionEmbed Embed this gist in your website Share Copy sharable link for this gist Clone via

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29/10/16 · Testing Concerns with RSpec Oct 29, 16 For an overview, look at this StackOverflow post and then head over to the official RSpec documentation on shared examples The best option seems to be testing concerns together with the models that include them This post summarizes the approach I took in testing concerns on a recent project101 It builds a safety net against errors (especially useful for refactoring) 102 It helps document your code 103 It gives you a feedback loop 104 It helps you make sure your code is producing the results you expect 105 It helps you land a Ruby job 2 Getting Started With RSpec 3 RSpec Testing ExampleWelcome to Testing Ruby with RSpec The Complete Guide!

Setup RSpec To use the library, add gem 'rspecrails' to the test and development groups in your Gemfile, then run bundle from the command line Now you can run rails generate rspecinstall This adds the spec directory and some skeleton files, including the rake spec task Unit Testing Once we have a failing integration test we have permission to write lowerlevel examples15/06/15 · Also, you'll generally get warnings from RSpec 3 when you attempt to use a block matcher against a nonblock subject That falls over for raise_error, unfortunately, because in an expression like expect(raise)to raise_error ruby evaluates the raise first and it aborts before RSpec even has a chance to do anything with it03/04/18 · こういうテストがあるとする spec/my_specrb require 'spec_helper' require 'racktimeout' class Klass end describe 'RackTimeou

28/12/18 · Test Run Rspec Let's do a quick sanity check and make sure Rspec is running by using command $ rspec email protected~ $ rspec No examples found Finished in seconds (files took seconds to load) 0 examples, 0 failures Perfect, this means Rspec is running with the correct setup If this is not working, get it working!Use the raise_error matcher to specify that a block of code raises an error The most basic form passes if any error is thrown expect { raise StandardError }to raise_error You can use raise_exception instead if you prefer that wording expect { 3 / 0 }to raise_exception raise_error and raise_exception are functionally interchangeable, so useRequire '/helpers' RSpecconfigure do c cextend Helpers, foo => bar end RSpecdescribe "an example group with matching metadata", foo => bar do puts "In a matching group, help is #{help}" it "does not have access to the helper methods defined in the module" do expect { help }to raise_error(NameError) end end RSpecdescribe "an example group without matching metadata"

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29/03/13 · RSpec Matchers define_negated_matcheran_error_other_than,an_instance_of RSpec describe "Using `an_error_other_than` as an argument to `raise_error`" do example "passing" do expect {raise ArgumentError} to raise_error (an_error_other_than (SyntaxError)) end example "failing" do expect {raise SyntaxError} to raise_error (an_error_other_than09/08/16 · RSpec Expectations Cheat Sheet Continuing the from the previous post, here is a cheat sheet for RSpec's assertion library RSpecExpectations RSpec is a mature, featurepacked testing framework, but the documentation can be difficult to navigate As an alternative to the official documentation, this cheat sheet contains short example codeThis constant is part of a private API You should avoid using this constant if possible, as it may be removed or be changed in the future Used as a sentinel value to be able to tell when the user did not pass an argument

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RSpec allows for autogenerated example descriptions when there is no description provided or the description is an empty one This cop removes empty descriptions It also defines whether autogenerated description is allowed, based on the configured style This cop can be configured using the EnforcedStyle optionTombh / rspec_raise_error_specrb Created Jan 6, 16 Star 0 Fork 0;26/11/17 · From version 33 on rspecexpections gem raises a warning for a blank raise_error without a parameter expect { raise StandardError }to raise_error # results in warning expect { raise StandardError }to raise_error (StandardError) # fine This gives you a hint that your code may fail with a different error than the test intended to check

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RSpec Introduction RSpec is a unit test framework for the Ruby programming language RSpec is different than traditional xUnit frameworks like JUnit because RSpec is a Behavior driven development tool What this means is that, tests written in RSpec focus on the "behavior" of an application being tested RSpec does not put emphasis on16/11/ · If have nested RSpec contexts to test the behaviour of different fact values, you can partially override the parent facts by merging the changed facts into super () in your let (facts) block A common pattern is to use rspecpuppetfacts to automatically populate the facts for a specified operating systemBuilt in matchers rspecexpectations ships with a number of builtin matchers Each matcher can be used with expect()to or expect()not_to to define positive and negative expectations respectively on an object Most matchers can also be accessed using the ()should and ()should_not syntax;

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04/06/ · def raise_standard_error(message, & block) raise_error(StandardError, message, & block) end There's also this option if you're not happy with clipping of the error text rspecexpectations/lib/rspec/expectations/configurationrb Line 59 in eb1787fRubocoprspec claims that it would be preferable to separate this test into 4 spec/price_entry_class_specrb142 C Example has too many expectations 4/1 Claim that it is always better to have single assert in every unit test is quite surprising for meNew in RSpec 3 Composable Matchers Myron Marston Jan 14, 14 One of RSpec 3's big new features is shipping 300beta2 composable matchers This feature supports more powerful, less brittle expectations, and opens up new possibilities An Example In RSpec 2x, I've written code like this on many occassions

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This method is part of a private API You should avoid using this method if possible, as it may be removed or be changed in the future Returns a new instance of RaiseErrorI'm trying to write an RSpec 331 test for an invalid input In this case, I'm trying to make this test work RSpecdescribe Stat do before do @stat = FactoryGirlbuild(stat) end18/03/15 · RSpec Subject, Helpers, Hooks and Exception Handling We are continuing an introduction to RSpec, a testing tool for Ruby After covering the very basics in the first part of this series, we will now explore other important and frequently used features of RSpec use of subject, let helper method, before hooks and exception handling

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Rspec /formatter_specrb3 # A spec file to demonstrate how RSpec Formatters work when running some tests the test usually calls the expect() method at least once RSpec Formatters offer the ability to change the way test results display, it is even possible to create your own custom Formatter, but that is a more advanced topicBetter Specs is a collection of best practices developers learned while testing apps that you can use to improve your coding skills, or simply for inspiration Better Specs came to life at Lelylan (open source IoT cloud platform) and checking out its test suite may be of inspiration Better Specs focus on Rails testing, but our goal is toThis course offers a comprehensive overview of the RSpec testing library for the Ruby programming library RSpec is the most popular Ruby Gem of all time, with over 300 million downloads to date If you're new to the topic, testing is the practice of "writing code that confirms that other

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RSpec mocks with should raise_error GitHub Gist instantly share code, notes, and snippets#raise_error(error = BuiltInRaiseErrorUndefinedValue, message = nil, &block) ⇒ Object Also known as raise_exception, a_block_raising, raising With no args, matches if any error is raised With a named error, matches only if that specific error is raisedUse the raise_error matcher to specify that a block of code raises an error The most basic form passes if any error is thrown expect { raise StandardError }to raise_error You can use raise_exception instead if you prefer that wording expect { 3 / 0 }to raise_exception

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Now I have a rspec test require 'spec_helper' describe 'foo' do context 'with default values' do it { should compileand_raise_error(/baz is yes/) end end Which will test for the failure but how do I write a second test for the foo module that tests for different parameters being set on foobar when automatic class parameters are used?/01/17 · Your rspecpuppet test files reside inside your module_name/spec directory, and should have a structure similar to this Now there could be other directories also, but for all intents and purposes of this writeup, this is all we will cover There are three other files that are required for all this to come together19/06/15 · RSpec will suppress the warning messages (original behavior) Set allow_expectations_on_nil to false RSpec will fail the test when

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Making custom matchers composable RSpec's builtin matchers are designed to be composed, in expressions like expect ( "barn", 245)to contain_exactly ( a_value_within (01)of(25), a_string_starting_with ("bar") ) Custom matchers can easily participate in composed matcher expressions like theseDescribe "An example of the error Matchers" do it "should show how the error Matchers work" do # The following Expectations will all pass expect { 1/0 }to raise_error(ZeroDivisionError) expect { 1/0 }to raise_error("divided by 0") expect { 1/0 }to raise_error("divided by 0", ZeroDivisionError) end endSee using should syntax for why we recommend using expect

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RSpec generates its own message when your write it { expect (subject)to } is_expected triggers the evaluation of your subject implicitly and returns an RSpecgenerated message You can dive into expectations in the RSpec codebase Matchers are a powerful feature19/08/15 · it "should raise an exception" do StripeMock prepare_card_error (card_declined,create_source) expect {raise Stripe CardError new ("card_declined", "param", "code", 402)} to raise_error { e expect (e) to be_a (Stripe CardError)} endCode Revisions 2 Embed What would you like to do?

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