Module: TestProf::LetItBe
- Defined in:
- lib/test_prof/recipes/rspec/let_it_be.rb
Overview
Just like ‘let`, but persist the result for the whole group. NOTE: Experimental and magical, for more control use `before_all`.
Constant Summary collapse
- PREFIX =
Use uniq prefix for instance variables to avoid collisions We want to use the power of Ruby’s unicode support) And we love cats!)
RUBY_ENGINE == "jruby" ? "@__jruby_is_not_cat_friendly__" : "@😸"
Class Method Summary collapse
Instance Method Summary collapse
- #define_let_it_be_methods(identifier, reload: false, refind: false) ⇒ Object
- #let_it_be(identifier, **options, &block) ⇒ Object
Class Method Details
.module_for(group) ⇒ Object
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# File 'lib/test_prof/recipes/rspec/let_it_be.rb', line 11 def module_for(group) modules[group] ||= begin Module.new.tap { |mod| group.prepend(mod) } end end |
Instance Method Details
#define_let_it_be_methods(identifier, reload: false, refind: false) ⇒ Object
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# File 'lib/test_prof/recipes/rspec/let_it_be.rb', line 42 def define_let_it_be_methods(identifier, reload: false, refind: false) let_accessor = -> { instance_variable_get(:"#{PREFIX}#{identifier}") } if reload let_accessor = lambda do record = instance_variable_get(:"#{PREFIX}#{identifier}") next unless record.is_a?(::ActiveRecord::Base) record.reload end end if refind let_accessor = lambda do record = instance_variable_get(:"#{PREFIX}#{identifier}") next unless record.is_a?(::ActiveRecord::Base) record.class.find(record.send(record.class.primary_key)) end end LetItBe.module_for(self).module_eval do define_method(identifier) do # Trying to detect the context (couldn't find other way so far) if /\(:context\)/.match?(@__inspect_output) instance_variable_get(:"#{PREFIX}#{identifier}") else # Fallback to let definition super() end end end let(identifier, &let_accessor) end |
#let_it_be(identifier, **options, &block) ⇒ Object
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# File 'lib/test_prof/recipes/rspec/let_it_be.rb', line 28 def let_it_be(identifier, **, &block) initializer = proc do instance_variable_set(:"#{PREFIX}#{identifier}", instance_exec(&block)) end if within_before_all? within_before_all(&initializer) else before_all(&initializer) end define_let_it_be_methods(identifier, **) end |