Github user mengxr commented on a diff in the pull request:
https://github.com/apache/spark/pull/5291#discussion_r27503509
--- Diff:
mllib/src/test/scala/org/apache/spark/mllib/feature/Word2VecSuite.scala ---
@@ -51,4 +54,28 @@ class Word2VecSuite extends FunSuite with
MLlibTestSparkContext {
assert(syms(0)._1 == "taiwan")
assert(syms(1)._1 == "japan")
}
+
+ test("model load / save") {
+
+ val word2VecMap = Map(
+ ("china", Array(0.50f, 0.50f, 0.50f, 0.50f)),
+ ("japan", Array(0.40f, 0.50f, 0.50f, 0.50f)),
+ ("taiwan", Array(0.60f, 0.50f, 0.50f, 0.50f)),
+ ("korea", Array(0.45f, 0.60f, 0.60f, 0.60f))
+ )
+ val model = new Word2VecModel(word2VecMap)
+
+ val tempDir = Utils.createTempDir()
+ val path = tempDir.toURI.toString
+
+ try {
+ model.save(sc, path)
+ val sameModel = Word2VecModel.load(sc, path)
+ assert(sameModel.getVectors.keys === model.getVectors.keys)
--- End diff --
The ordering of keys are not guaranteed. We could test map equals directly.
~~~scala
assert(sameModel.getVectors.mapValues(_.toSeq) ===
model.getVectors.mapValues(_.toSeq))
~~~
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