class StandAloneExample(unittest.TestCase): def setUp(self): self.lexicon = XMLLexicon() self.nlgFactory = NLGFactory(self.lexicon) self.realiser = Realiser(self.lexicon) def testSentenceCreation(self): # create sentences thePark = self.nlgFactory.createNounPhrase("the", "park") bigp = self.nlgFactory.createAdjectivePhrase("big") bigp.setFeature(Feature.IS_COMPARATIVE, True) thePark.addModifier(bigp) # above relies on default placement rules. You can force placement as a premodifier # (before head) by using addPreModifier toThePark = self.nlgFactory.createPrepositionPhrase("to") toThePark.setObject(thePark) # could also just say self.nlgFactory.createPrepositionPhrase("to", the Park) johnGoToThePark = self.nlgFactory.createClause("John", "go", toThePark) johnGoToThePark.setFeature(Feature.TENSE, Tense.PAST) johnGoToThePark.setFeature(Feature.NEGATED, True) # note that constituents (such as subject and object) are set with setXXX methods # while features are set with setFeature sentence = self.nlgFactory.createSentence(johnGoToThePark) # below creates a sentence DocumentElement by concatenating strings hePlayed = StringElement("he played") there = StringElement("there") football = WordElement("football") sentence2 = self.nlgFactory.createSentence() sentence2.addComponent(hePlayed) sentence2.addComponent(football) sentence2.addComponent(there) # now create a paragraph which contains these sentences paragraph = self.nlgFactory.createParagraph() paragraph.addComponent(sentence) paragraph.addComponent(sentence2) realised = self.realiser.realise(paragraph).getRealisation() # Test self.assertEqual( "John did not go to the bigger park. He played football there.\n\n", realised) def testMorphology(self): # second example - using simplenlg just for morphology word = self.nlgFactory.createWord("child", LexicalCategory.NOUN) # create InflectedWordElement from word element inflectedWord = InflectedWordElement(word) # set the inflected word to plural inflectedWord.setPlural(True) # realise the inflected word realised = self.realiser.realise(inflectedWord).getRealisation() # Test self.assertEqual('children', realised)
class StringElementTest(unittest.TestCase): def setUp(self): self.lexicon = Lexicon.getDefaultLexicon() self.phraseFactory = NLGFactory(self.lexicon) self.realiser = Realiser(self.lexicon) # Test that string elements can be used as heads of NP def testStringElementAsHead(self): np = self.phraseFactory.createNounPhrase() np.setHead(self.phraseFactory.createStringElement("dogs and cats")) np.setSpecifier( self.phraseFactory.createWord("the", LexicalCategory.DETERMINER)) self.assertEqual("the dogs and cats", self.realiser.realise(np).getRealisation()) # Sentences whose VP is a canned string def testStringElementAsVP(self): s = self.phraseFactory.createClause() s.setVerbPhrase( self.phraseFactory.createStringElement("eats and drinks")) s.setSubject(self.phraseFactory.createStringElement("the big fat man")) self.assertEqual("the big fat man eats and drinks", self.realiser.realise(s).getRealisation()) # Test for when the SPhraseSpec has a NPSpec added directly after it: # "Mary loves NP[the cow]." def testTailNPStringElement(self): senSpec = self.phraseFactory.createClause() senSpec.addComplement( (self.phraseFactory.createStringElement("mary loves"))) np = self.phraseFactory.createNounPhrase() np.setHead("cow") np.setDeterminer("the") senSpec.addComplement(np) completeSen = self.phraseFactory.createSentence() completeSen.addComponent(senSpec) self.assertEqual("Mary loves the cow.", self.realiser.realise(completeSen).getRealisation()) # Test for a NP followed by a canned text: "NP[A cat] loves a dog". def testFrontNPStringElement(self): senSpec = self.phraseFactory.createClause() np = self.phraseFactory.createNounPhrase() np.setHead("cat") np.setDeterminer("the") senSpec.addComplement(np) senSpec.addComplement( self.phraseFactory.createStringElement("loves a dog")) completeSen = self.phraseFactory.createSentence() completeSen.addComponent(senSpec) self.assertEqual("The cat loves a dog.", \ self.realiser.realise(completeSen).getRealisation()) # Test for a StringElement followed by a NP followed by a StringElement # "The world loves NP[ABBA] but not a sore loser." def testMulitpleStringElements(self): senSpec = self.phraseFactory.createClause() senSpec.addComplement( self.phraseFactory.createStringElement("the world loves")) np = self.phraseFactory.createNounPhrase() np.setHead("ABBA") senSpec.addComplement(np) senSpec.addComplement( self.phraseFactory.createStringElement("but not a sore loser")) completeSen = self.phraseFactory.createSentence() completeSen.addComponent(senSpec) self.assertEqual("The world loves ABBA but not a sore loser.", \ self.realiser.realise(completeSen).getRealisation()) # Test for multiple NP phrases with a single StringElement phrase: # "NP[John is] a trier NP[for cheese]." def testMulitpleNPElements(self): senSpec = self.phraseFactory.createClause() frontNoun = self.phraseFactory.createNounPhrase() frontNoun.setHead("john") senSpec.addComplement(frontNoun) senSpec.addComplement( self.phraseFactory.createStringElement("is a trier")) backNoun = self.phraseFactory.createNounPhrase() backNoun.setDeterminer("for") backNoun.setNoun("cheese") senSpec.addComplement(backNoun) completeSen = self.phraseFactory.createSentence() completeSen.addComponent(senSpec) self.assertEqual("John is a trier for cheese.", \ self.realiser.realise(completeSen).getRealisation()) # White space check: Test to see how SNLG deals with additional whitespaces: # NP[The Nasdaq] rose steadily during NP[early trading], however it plummeted due to NP[a shock] after NP[IBM] announced poor # NP[first quarter results]. def testWhiteSpaceNP(self): senSpec = self.phraseFactory.createClause() firstNoun = self.phraseFactory.createNounPhrase() firstNoun.setDeterminer("the") firstNoun.setNoun("Nasdaq") senSpec.addComplement(firstNoun) senSpec.addComplement( self.phraseFactory.createStringElement(" rose steadily during ")) secondNoun = self.phraseFactory.createNounPhrase() secondNoun.setSpecifier("early") secondNoun.setNoun("trading") senSpec.addComplement(secondNoun) senSpec.addComplement( self.phraseFactory.createStringElement( " , however it plummeted due to")) thirdNoun = self.phraseFactory.createNounPhrase() thirdNoun.setSpecifier("a") thirdNoun.setNoun("shock") senSpec.addComplement(thirdNoun) senSpec.addComplement( self.phraseFactory.createStringElement(" after ")) fourthNoun = self.phraseFactory.createNounPhrase() fourthNoun.setNoun("IBM") senSpec.addComplement(fourthNoun) senSpec.addComplement( self.phraseFactory.createStringElement("announced poor ")) fifthNoun = self.phraseFactory.createNounPhrase() fifthNoun.setSpecifier("first quarter") fifthNoun.setNoun("results") fifthNoun.setPlural(True) senSpec.addComplement(fifthNoun) completeSen = self.phraseFactory.createSentence() completeSen.addComponent(senSpec) correct = "The Nasdaq rose steadily during early trading, however it plummeted " \ + "due to a shock after IBM announced poor first quarter results." self.assertEqual(correct, self.realiser.realise(completeSen).getRealisation()) # Point absorption test: Check to see if SNLG respects abbreviations at the end of a sentence. # "NP[Yahya] was sleeping his own and dreaming etc." def testPointAbsorption(self): senSpec = self.phraseFactory.createClause() firstNoun = self.phraseFactory.createNounPhrase() firstNoun.setNoun("yaha") senSpec.addComplement(firstNoun) senSpec.addComplement("was sleeping on his own and dreaming etc.") completeSen = self.phraseFactory.createSentence() completeSen.addComponent(senSpec) self.assertEqual("Yaha was sleeping on his own and dreaming etc.", \ self.realiser.realise(completeSen).getRealisation()) # Point absorption test: As above, but with trailing white space. # "NP[Yaha] was sleeping his own and dreaming etc. " def testPointAbsorptionTrailingWhiteSpace(self): senSpec = self.phraseFactory.createClause() firstNoun = self.phraseFactory.createNounPhrase() firstNoun.setNoun("yaha") senSpec.addComplement(firstNoun) senSpec.addComplement( "was sleeping on his own and dreaming etc. ") completeSen = self.phraseFactory.createSentence() completeSen.addComponent(senSpec) self.assertEqual("Yaha was sleeping on his own and dreaming etc.", \ self.realiser.realise(completeSen).getRealisation()) # Abbreviation test: Check to see how SNLG deals with abbreviations in the middle of a sentence. # "NP[Yahya] and friends etc. went to NP[the park] to play." def testMiddleAbbreviation(self): senSpec = self.phraseFactory.createClause() firstNoun = self.phraseFactory.createNounPhrase() firstNoun.setNoun("yahya") senSpec.addComplement(firstNoun) senSpec.addComplement( self.phraseFactory.createStringElement("and friends etc. went to")) secondNoun = self.phraseFactory.createNounPhrase() secondNoun.setDeterminer("the") secondNoun.setNoun("park") senSpec.addComplement(secondNoun) senSpec.addComplement("to play") completeSen = self.phraseFactory.createSentence() completeSen.addComponent(senSpec) self.assertEqual("Yahya and friends etc. went to the park to play.", \ self.realiser.realise(completeSen).getRealisation()) # Indefinite Article Inflection: StringElement to test how SNLG handles a/an situations. # "I see an NP[elephant]" def testStringIndefiniteArticleInflectionVowel(self): senSpec = self.phraseFactory.createClause() senSpec.addComplement( self.phraseFactory.createStringElement("I see a")) firstNoun = self.phraseFactory.createNounPhrase("elephant") senSpec.addComplement(firstNoun) completeSen = self.phraseFactory.createSentence() completeSen.addComponent(senSpec) self.assertEqual("I see an elephant.", self.realiser.realise(completeSen).getRealisation()) # Indefinite Article Inflection: StringElement to test how SNLG handles a/an situations. # "I see NP[a elephant]" --> def testNPIndefiniteArticleInflectionVowel(self): senSpec = self.phraseFactory.createClause() senSpec.addComplement(self.phraseFactory.createStringElement("I see")) firstNoun = self.phraseFactory.createNounPhrase("elephant") firstNoun.setDeterminer("a") senSpec.addComplement(firstNoun) completeSen = self.phraseFactory.createSentence() completeSen.addComponent(senSpec) self.assertEqual("I see an elephant.", self.realiser.realise(completeSen).getRealisation()) ''' # Not useful in python. Java code returns "I see an cow." (ie.. it doesn't change the article) # assertNotSame simply verifies that two objects do not refer to the same object. # Indefinite Article Inflection: StringElement to test how SNLG handles a/an situations. # "I see an NP[cow]" def testStringIndefiniteArticleInflectionConsonant(self): senSpec = self.phraseFactory.createClause() senSpec.addComplement(self.phraseFactory.createStringElement("I see an")) firstNoun = self.phraseFactory.createNounPhrase("cow") senSpec.addComplement(firstNoun) completeSen = self.phraseFactory.createSentence() completeSen.addComponent(senSpec) # Do not attempt "an" -> "a" self.assertNotSame("I see an cow.", self.realiser.realise(completeSen).getRealisation()) ''' # Indefinite Article Inflection: StringElement to test how SNLG handles a/an situations. # "I see NP[an cow]" --> def testNPIndefiniteArticleInflectionConsonant(self): senSpec = self.phraseFactory.createClause() senSpec.addComplement(self.phraseFactory.createStringElement("I see")) firstNoun = self.phraseFactory.createNounPhrase("cow") firstNoun.setDeterminer("an") senSpec.addComplement(firstNoun) completeSen = self.phraseFactory.createSentence() completeSen.addComponent(senSpec) # Do not attempt "an" -> "a" self.assertEqual("I see an cow.", self.realiser.realise(completeSen).getRealisation()) # aggregationStringElementTest: Test to see if we can aggregate two StringElements # in a CoordinatedPhraseElement. def testAggregationStringElement(self): coordinate = self.phraseFactory.createCoordinatedPhrase( \ StringElement("John is going to Tesco"), StringElement("Mary is going to Sainsburys")) sentence = self.phraseFactory.createClause() sentence.addComplement(coordinate) self.assertEqual("John is going to Tesco and Mary is going to Sainsburys.", \ self.realiser.realiseSentence(sentence)) # Tests that no empty space is added when a StringElement is instantiated with an empty string # or None object. def testNullAndEmptyStringElement(self): NoneStringElement = self.phraseFactory.createStringElement(None) emptyStringElement = self.phraseFactory.createStringElement("") beautiful = self.phraseFactory.createStringElement("beautiful") horseLike = self.phraseFactory.createStringElement("horse-like") creature = self.phraseFactory.createStringElement("creature") # Test1: None or empty at beginning test1 = self.phraseFactory.createClause("a unicorn", "be", "regarded as a") test1.addPostModifier(emptyStringElement) test1.addPostModifier(beautiful) test1.addPostModifier(horseLike) test1.addPostModifier(creature) self.assertEqual("A unicorn is regarded as a beautiful horse-like creature.", \ self.realiser.realiseSentence(test1)) # Test2: empty or None at end test2 = self.phraseFactory.createClause("a unicorn", "be", "regarded as a") test2.addPostModifier(beautiful) test2.addPostModifier(horseLike) test2.addPostModifier(creature) test2.addPostModifier(NoneStringElement) self.assertEqual("A unicorn is regarded as a beautiful horse-like creature.", \ self.realiser.realiseSentence(test2)) # Test3: empty or None in the middle test3 = self.phraseFactory.createClause("a unicorn", "be", "regarded as a") test3.addPostModifier("beautiful") test3.addPostModifier("horse-like") test3.addPostModifier("") test3.addPostModifier("creature") self.assertEqual("A unicorn is regarded as a beautiful horse-like creature.", \ self.realiser.realiseSentence(test3)) # Test4: empty or None in the middle with empty or None at beginning test4 = self.phraseFactory.createClause("a unicorn", "be", "regarded as a") test4.addPostModifier("") test4.addPostModifier("beautiful") test4.addPostModifier("horse-like") test4.addPostModifier(NoneStringElement) test4.addPostModifier("creature") self.assertEqual("A unicorn is regarded as a beautiful horse-like creature.", \ self.realiser.realiseSentence(test4))