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Contents
Feature: define diffable matcher
When a matcher is defined as diffable, the output will include a diff of the submitted
objects when the objects are more than simple primitives.
Scenario: define a diffable matcher
Given a file named "diffable_matcher_spec.rb" with:
"""ruby
RSpec::Matchers.define :be_just_like do |expected|
match do |actual|
actual == expected
end
diffable
end
RSpec.describe "two\nlines" do
it { is_expected.to be_just_like("three\nlines") }
end
"""
When I run `rspec ./diffable_matcher_spec.rb`
Then it should fail with:
"""
Diff:
@@ -1,3 +1,3 @@
-three
+two
lines
"""
Version data entries
7 entries across 7 versions & 1 rubygems