Class: CouchPotato::RSpec::MapToMatcher

Inherits:
Object
  • Object
show all
Includes:
RSpec::Matchers::Composable
Defined in:
lib/couch_potato/rspec/matchers/map_to_matcher.rb

Instance Method Summary collapse

Constructor Details

#initialize(expected_ruby, input_ruby) ⇒ MapToMatcher

Returns a new instance of MapToMatcher.



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# File 'lib/couch_potato/rspec/matchers/map_to_matcher.rb', line 19

def initialize(expected_ruby, input_ruby)
  @expected_ruby = expected_ruby
  @input_ruby = input_ruby
end

Instance Method Details

#failure_message ⇒ Object 



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# File 'lib/couch_potato/rspec/matchers/map_to_matcher.rb', line 53

def failure_message
  "Expected to map to #{@expected_ruby.inspect} but got #{@actual_ruby.inspect}."
end

#failure_message_when_negated ⇒ Object 



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# File 'lib/couch_potato/rspec/matchers/map_to_matcher.rb', line 57

def failure_message_when_negated
  "Expected not to map to #{@actual_ruby.inspect} but did."
end

#matches?(view_spec) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/couch_potato/rspec/matchers/map_to_matcher.rb', line 24

def matches?(view_spec)
  js = "    (function() {\n      var doc = \#{@input_ruby.to_json};\n      var map = \#{view_spec.map_function};\n      var result = [];\n      var require = function(modulePath) {\n        var module = {exports: {}};\n        var exports = module.exports;\n        var pathArray = modulePath.split(\"/\").slice(2);\n        var result = {};\n        for (var i in pathArray) {\n          result = result[pathArray[i]];\n        }\n        eval(result);\n        return module.exports;\n      }\n\n      var emit = function(key, value) {\n        result.push([key, value]);\n      };\n      map(doc);\n      return JSON.stringify(result);\n    })()\n  JS\n  @actual_ruby = JSON.parse(ExecJS.eval(js))\n  values_match? @expected_ruby, @actual_ruby\nend\n"