Class: Transpec::Syntax::Have::DynamicInspector

Inherits:
Object
  • Object
show all
Defined in:
lib/transpec/syntax/have.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(have, rewriter) ⇒ DynamicInspector

Returns a new instance of DynamicInspector.



187
188
189
190
 
# File 'lib/transpec/syntax/have.rb', line 187

def initialize(have, rewriter)
  @have = have
  @rewriter = rewriter
end

Class Method Details

.register_request(have, rewriter) ⇒ Object 



183
184
185
 
# File 'lib/transpec/syntax/have.rb', line 183

def self.register_request(have, rewriter)
  new(have, rewriter).register_request
end

Instance Method Details

#available_query_methods_inspection_code ⇒ Object

rubocop:enable MethodLength



277
278
279
280
281
282
283
284
285
286
287
 
# File 'lib/transpec/syntax/have.rb', line 277

def available_query_methods_inspection_code
  "    |collection_accessor = \#{collection_accessor_inspection_code}\n    |target = if collection_accessor\n    |           \#{subject_code}.__send__(collection_accessor)\n    |         else\n    |           \#{subject_code}\n    |         end\n    |target.methods & \#{QUERY_METHOD_PRIORITIES.inspect}\n  END\nend\n".gsub(/^\s+\|/, '').chomp

#collection_accessor_inspection_code ⇒ Object

rubocop:disable MethodLength



235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
 
# File 'lib/transpec/syntax/have.rb', line 235

def collection_accessor_inspection_code
  # `expect(owner).to have(n).things` invokes private owner#things with Object#__send__
  # if the owner does not respond to any of #size, #count and #length.
  #
  # rubocop:disable LineLength
  # https://github.com/rspec/rspec-expectations/blob/v2.14.3/lib/rspec/matchers/built_in/have.rb#L48-L58
  # rubocop:enable LineLength
  @collection_accessor_inspection_code ||= "    |begin\n    |  exact_name = \#{@have.items_name.inspect}\n    |\n    |  inflector = if defined?(ActiveSupport::Inflector) &&\n    |                   ActiveSupport::Inflector.respond_to?(:pluralize)\n    |                ActiveSupport::Inflector\n    |              elsif defined?(Inflector)\n    |                Inflector\n    |              else\n    |                nil\n    |              end\n    |\n    |  if inflector\n    |    pluralized_name = inflector.pluralize(exact_name).to_sym\n    |    respond_to_pluralized_name = \#{subject_code}.respond_to?(pluralized_name)\n    |  end\n    |\n    |  respond_to_query_methods =\n    |    !(\#{subject_code}.methods & \#{QUERY_METHOD_PRIORITIES.inspect}).empty?\n    |\n    |  if \#{subject_code}.respond_to?(exact_name)\n    |    exact_name\n    |  elsif respond_to_pluralized_name\n    |    pluralized_name\n    |  elsif respond_to_query_methods\n    |    nil\n    |  else\n    |    exact_name\n    |  end\n    |end\n  END\nend\n".gsub(/^\s+\|/, '').chomp

#register_request ⇒ Object 



208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
 
# File 'lib/transpec/syntax/have.rb', line 208

def register_request
  key = :collection_accessor
  code = collection_accessor_inspection_code
  @rewriter.register_request(target_node, key, code, target_type)

  # Give up inspecting query methods of collection accessor with arguments
  # (e.g. have(2).errors_on(variable)) since this is a context of #instance_eval.
  unless @have.items_method_has_arguments?
    key = :available_query_methods
    code = available_query_methods_inspection_code
    @rewriter.register_request(target_node, key, code, target_type)
  end

  key = :collection_accessor_is_private?
  code = "#{subject_code}.private_methods.include?(#{@have.items_name.inspect})"
  @rewriter.register_request(target_node, key, code, target_type)

  key = :project_requires_collection_matcher?
  code = 'defined?(RSpec::Rails) || defined?(RSpec::CollectionMatchers)'
  @rewriter.register_request(target_node, key, code, :context)
end

#subject_code ⇒ Object 



230
231
232
 
# File 'lib/transpec/syntax/have.rb', line 230

def subject_code
  @have.explicit_subject? ? 'self' : 'subject'
end

#target_node ⇒ Object 



192
193
194
195
196
197
198
 
# File 'lib/transpec/syntax/have.rb', line 192

def target_node
  if @have.explicit_subject?
    @have.expectation.subject_node
  else
    @have.expectation.node
  end
end

#target_type ⇒ Object 



200
201
202
203
204
205
206
 
# File 'lib/transpec/syntax/have.rb', line 200

def target_type
  if @have.explicit_subject?
    :object
  else
    :context
  end
end