Github user mengxr commented on a diff in the pull request:
https://github.com/apache/spark/pull/5296#discussion_r27502588
--- Diff: python/pyspark/mllib/tests.py ---
@@ -620,6 +621,42 @@ def test_right_number_of_results(self):
self.assertEqual(len(chi), num_cols)
self.assertIsNotNone(chi[1000])
+
+class Word2VecTests(PySparkTestCase):
+ def test_word2vec_setters(self):
+ data = [
+ ["I", "have", "a", "pen"],
+ ["I", "like", "soccer", "very", "much"],
+ ["I", "live", "in", "Tokyo"]
+ ]
+ model = None
+ try:
+ model = Word2Vec()\
+ .setVectorSize(2)\
+ .setLearningRate(0.01)\
+ .setNumPartitions(2)\
+ .setNumIterations(10)\
+ .setSeed(1024)\
+ .setMinCount(3)
+ except:
+ self.fail()
+ self.assertEquals(model.vectorSize, 2)
+ self.assertTrue(model.learningRate < 0.02)
+ self.assertEquals(model.numPartitions, 2)
+ self.assertEquals(model.numIterations, 10)
+ self.assertEquals(model.seed, 1024)
+ self.assertEquals(model.minCount, 3)
+
+ def test_word2vec_get_vectors(self):
+ data = [
+ ["I", "have", "a", "pen"],
+ ["I", "like", "soccer", "very", "much"],
+ ["I", "live", "in", "Tokyo"]
+ ]
+ model = Word2Vec().fit(self.sc.parallelize(data))
+ self.assertEquals(len(model.getVectors()), 0)
--- End diff --
Why is the length 0?
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