Rspec Power Assert Save

Power Assert for RSpec

Project README

RSpec::PowerAssert

Gem Version

Support

  • RSpec 2.14 or later
  • If you use ruby-3.2.x or later, please use rspec-power_assert-1.2.0 or later

Installation

Add this line to your application's Gemfile:

gem 'rspec-power_assert'

And then execute:

$ bundle

Or install it yourself as:

$ gem install rspec-power_assert

Usage

First, add require option to .rspec

-r rspec-power_assert

Use ExampleGroup.it_is_asserted_by or ExampleGroup#is_asserted_by

describe Object do
  it_is_asserted_by { a == b }

  it do
    is_asserted_by { a == b }
  end
end

Config

verbose_successful_report

RSpec::PowerAssert.verbose_successful_report = true

If it set true, Successful Example reports with power_assert outputs. If it set false, Successful Example reports without power_assert outputs.

Default is true.

example_assertion_alias

# enable `assert` method in Example block
RSpec::PowerAssert.example_assertion_alias :assert

example_group_assertion_alias

# enable `assert` method in ExampleGroup block
RSpec::PowerAssert.example_group_assertion_alias :assert

Sample

spec sample

describe RSpec::PowerAssert do
  describe Array do
    describe "#map" do
      let(:array) { [1, 2, 3] }
      subject { %w(a b c) }

      before do
        @array = [1, 2, 3]
      end

      it do
        is_asserted_by { subject.map(&:upcase) == array }
      end

      it do
        is_asserted_by {
          subject.map(&:upcase) == array
        }
      end

      it do
        is_asserted_by { subject.map(&:upcase) == %w(A B C) }
      end

      it do
        is_asserted_by {
          subject.map(&:upcase) == %w(A B C)
        }
      end

      it do
        upcased = subject.map(&:upcase)
        upcased.pop
        is_asserted_by { upcased == @array }
      end

      it "should transform array" do
        is_expected.to eq %w(a b c)
        is_asserted_by { subject.map(&:upcase) == %w(A B C) }
      end

      it "should transform array (failed)" do
        is_asserted_by { subject.map(&:upcase) == %w(A B) }
      end

      it_is_asserted_by { subject.map(&:upcase) == %w(A B C) }

      it_is_asserted_by { subject.map(&:upcase) == %w(A B) }

      it_is_asserted_by do
        subject.map(&:upcase) == %w(A B C)
      end

      it_is_asserted_by "succ each element" do
        subject.map(&:succ) == ["b", "c", "e"] + @array
      end
    end
  end
end

output sample

RSpec::PowerAssert
  Array
    #map
      example at ./spec/rspec/power_assert_spec.rb:13 (FAILED - 1)
      example at ./spec/rspec/power_assert_spec.rb:17 (FAILED - 2)
      should
        be asserted by { subject.map(&:upcase) == %w(A B C) }
                         |       |             |
                         |       |             true
                         |       ["A", "B", "C"]
                         ["a", "b", "c"]
      should
        be asserted by { subject.map(&:upcase) == %w(A B C) }
                         |       |             |
                         |       |             true
                         |       ["A", "B", "C"]
                         ["a", "b", "c"]
      example at ./spec/rspec/power_assert_spec.rb:33 (FAILED - 3)
      should transform array
      should transform array (failed) (FAILED - 4)
      should
        be asserted by { subject.map(&:upcase) == %w(A B C) }
                         |       |             |
                         |       |             true
                         |       ["A", "B", "C"]
                         ["a", "b", "c"]
      example at ./spec/rspec/power_assert_spec.rb:50 (FAILED - 5)
      should
        be asserted by { subject.map(&:upcase) == %w(A B C) }
                         |       |             |
                         |       |             true
                         |       ["A", "B", "C"]
                         ["a", "b", "c"]
      succ each element (FAILED - 6)

Failures:

  1) RSpec::PowerAssert Array#map
     Failure/Error: is_asserted_by { subject.map(&:upcase) == array }
               is_asserted_by { subject.map(&:upcase) == array }
                                |       |             |  |
                                |       |             |  [1, 2, 3]
                                |       |             false
                                |       ["A", "B", "C"]
                                ["a", "b", "c"]
     # ./lib/rspec/power_assert.rb:57:in `handle_result_and_message'
     # ./lib/rspec/power_assert.rb:31:in `is_asserted_by'
     # ./spec/rspec/power_assert_spec.rb:14:in `block (4 levels) in <top (required)>'

  2) RSpec::PowerAssert Array#map
     Failure/Error: is_asserted_by {
                 subject.map(&:upcase) == array
                 |       |             |  |
                 |       |             |  [1, 2, 3]
                 |       |             false
                 |       ["A", "B", "C"]
                 ["a", "b", "c"]
     # ./lib/rspec/power_assert.rb:57:in `handle_result_and_message'
     # ./lib/rspec/power_assert.rb:31:in `is_asserted_by'
     # ./spec/rspec/power_assert_spec.rb:18:in `block (4 levels) in <top (required)>'

  3) RSpec::PowerAssert Array#map
     Failure/Error: is_asserted_by { upcased == @array }
               is_asserted_by { upcased == @array }
                                |       |  |
                                |       |  [1, 2, 3]
                                |       false
                                ["A", "B"]
     # ./lib/rspec/power_assert.rb:57:in `handle_result_and_message'
     # ./lib/rspec/power_assert.rb:31:in `is_asserted_by'
     # ./spec/rspec/power_assert_spec.rb:36:in `block (4 levels) in <top (required)>'

  4) RSpec::PowerAssert Array#map should transform array (failed)
     Failure/Error: is_asserted_by { subject.map(&:upcase) == %w(A B) }
               is_asserted_by { subject.map(&:upcase) == %w(A B) }
                                |       |             |
                                |       |             false
                                |       ["A", "B", "C"]
                                ["a", "b", "c"]
     # ./lib/rspec/power_assert.rb:57:in `handle_result_and_message'
     # ./lib/rspec/power_assert.rb:31:in `is_asserted_by'
     # ./spec/rspec/power_assert_spec.rb:45:in `block (4 levels) in <top (required)>'

  5) RSpec::PowerAssert Array#map
     Failure/Error: it_is_asserted_by { subject.map(&:upcase) == %w(A B) }
             it_is_asserted_by { subject.map(&:upcase) == %w(A B) }
                                 |       |             |
                                 |       |             false
                                 |       ["A", "B", "C"]
                                 ["a", "b", "c"]
     # ./lib/rspec/power_assert.rb:57:in `handle_result_and_message'
     # ./lib/rspec/power_assert.rb:44:in `evaluate_example'
     # ./spec/rspec/power_assert_spec.rb:50:in `block in it_is_asserted_by'

  6) RSpec::PowerAssert Array#map succ each element
     Failure/Error: it_is_asserted_by "succ each element" do
               subject.map(&:succ) == ["b", "c", "e"] + @array
               |       |           |                    |
               |       |           |                    [1, 2, 3]
               |       |           false
               |       ["b", "c", "d"]
               ["a", "b", "c"]
     # ./lib/rspec/power_assert.rb:57:in `handle_result_and_message'
     # ./lib/rspec/power_assert.rb:44:in `evaluate_example'
     # ./spec/rspec/power_assert_spec.rb:56:in `block in it_is_asserted_by'

Finished in 0.01725 seconds (files took 0.12235 seconds to load)
11 examples, 6 failures

Failed examples:

rspec ./spec/rspec/power_assert_spec.rb:13 # RSpec::PowerAssert Array#map
rspec ./spec/rspec/power_assert_spec.rb:17 # RSpec::PowerAssert Array#map
rspec ./spec/rspec/power_assert_spec.rb:33 # RSpec::PowerAssert Array#map
rspec ./spec/rspec/power_assert_spec.rb:44 # RSpec::PowerAssert Array#map should transform array (failed)
rspec ./spec/rspec/power_assert_spec.rb:50 # RSpec::PowerAssert Array#map
rspec ./spec/rspec/power_assert_spec.rb:56 # RSpec::PowerAssert Array#map succ each element

On RSpec-3.3 or later, support aggregate_failures (Thanks sue445)

  2) RSpec::PowerAssert Array#map When use aggregate_failures should be called be is_asserted_by with 3 times
     Got 2 failures from failure aggregation block.
     # ./spec/rspec/power_assert_spec.rb:81:in `block (5 levels) in <top (required)>'

     2.1) Failure/Error: is_asserted_by { subject.map(&:upcase) == %w(a b c) }
                        is_asserted_by { subject.map(&:upcase) == %w(a b c) }
                                         |       |             |
                                         |       |             false
                                         |       ["A", "B", "C"]
                                         ["a", "b", "c"]
          # ./lib/rspec/power_assert.rb:81:in `handle_result_and_message'
          # ./lib/rspec/power_assert.rb:50:in `is_asserted_by'
          # ./spec/rspec/power_assert_spec.rb:82:in `block (6 levels) in <top (required)>'

     2.2) Failure/Error: is_asserted_by { subject.map(&:upcase) == %w(A B C D) }
                        is_asserted_by { subject.map(&:upcase) == %w(A B C D) }
                                         |       |             |
                                         |       |             false
                                         |       ["A", "B", "C"]
                                         ["a", "b", "c"]
          # ./lib/rspec/power_assert.rb:81:in `handle_result_and_message'
          # ./lib/rspec/power_assert.rb:50:in `is_asserted_by'
          # ./spec/rspec/power_assert_spec.rb:84:in `block (6 levels) in <top (required)>'

Finished in 0.02937 seconds (files took 0.19416 seconds to load)
2 examples, 2 failures

Contributing

  1. Fork it ( https://github.com/joker1007/rspec-power_assert/fork )
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Add some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create a new Pull Request
Open Source Agenda is not affiliated with "Rspec Power Assert" Project. README Source: joker1007/rspec-power_assert
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