diff options
Diffstat (limited to 'python/pyspark/tests.py')
-rw-r--r-- | python/pyspark/tests.py | 261 |
1 files changed, 0 insertions, 261 deletions
diff --git a/python/pyspark/tests.py b/python/pyspark/tests.py index c7d0622d65..b5e28c4980 100644 --- a/python/pyspark/tests.py +++ b/python/pyspark/tests.py @@ -23,7 +23,6 @@ from array import array from fileinput import input from glob import glob import os -import pydoc import re import shutil import subprocess @@ -52,8 +51,6 @@ from pyspark.files import SparkFiles from pyspark.serializers import read_int, BatchedSerializer, MarshalSerializer, PickleSerializer, \ CloudPickleSerializer, CompressedSerializer, UTF8Deserializer, NoOpSerializer from pyspark.shuffle import Aggregator, InMemoryMerger, ExternalMerger, ExternalSorter -from pyspark.sql import SQLContext, IntegerType, Row, ArrayType, StructType, StructField, \ - UserDefinedType, DoubleType from pyspark import shuffle from pyspark.profiler import BasicProfiler @@ -795,264 +792,6 @@ class ProfilerTests(PySparkTestCase): rdd.foreach(heavy_foo) -class ExamplePointUDT(UserDefinedType): - """ - User-defined type (UDT) for ExamplePoint. - """ - - @classmethod - def sqlType(self): - return ArrayType(DoubleType(), False) - - @classmethod - def module(cls): - return 'pyspark.tests' - - @classmethod - def scalaUDT(cls): - return 'org.apache.spark.sql.test.ExamplePointUDT' - - def serialize(self, obj): - return [obj.x, obj.y] - - def deserialize(self, datum): - return ExamplePoint(datum[0], datum[1]) - - -class ExamplePoint: - """ - An example class to demonstrate UDT in Scala, Java, and Python. - """ - - __UDT__ = ExamplePointUDT() - - def __init__(self, x, y): - self.x = x - self.y = y - - def __repr__(self): - return "ExamplePoint(%s,%s)" % (self.x, self.y) - - def __str__(self): - return "(%s,%s)" % (self.x, self.y) - - def __eq__(self, other): - return isinstance(other, ExamplePoint) and \ - other.x == self.x and other.y == self.y - - -class SQLTests(ReusedPySparkTestCase): - - @classmethod - def setUpClass(cls): - ReusedPySparkTestCase.setUpClass() - cls.tempdir = tempfile.NamedTemporaryFile(delete=False) - os.unlink(cls.tempdir.name) - - @classmethod - def tearDownClass(cls): - ReusedPySparkTestCase.tearDownClass() - shutil.rmtree(cls.tempdir.name, ignore_errors=True) - - def setUp(self): - self.sqlCtx = SQLContext(self.sc) - self.testData = [Row(key=i, value=str(i)) for i in range(100)] - rdd = self.sc.parallelize(self.testData) - self.df = self.sqlCtx.inferSchema(rdd) - - def test_udf(self): - self.sqlCtx.registerFunction("twoArgs", lambda x, y: len(x) + y, IntegerType()) - [row] = self.sqlCtx.sql("SELECT twoArgs('test', 1)").collect() - self.assertEqual(row[0], 5) - - def test_udf2(self): - self.sqlCtx.registerFunction("strlen", lambda string: len(string), IntegerType()) - self.sqlCtx.inferSchema(self.sc.parallelize([Row(a="test")])).registerTempTable("test") - [res] = self.sqlCtx.sql("SELECT strlen(a) FROM test WHERE strlen(a) > 1").collect() - self.assertEqual(4, res[0]) - - def test_udf_with_array_type(self): - d = [Row(l=range(3), d={"key": range(5)})] - rdd = self.sc.parallelize(d) - self.sqlCtx.inferSchema(rdd).registerTempTable("test") - self.sqlCtx.registerFunction("copylist", lambda l: list(l), ArrayType(IntegerType())) - self.sqlCtx.registerFunction("maplen", lambda d: len(d), IntegerType()) - [(l1, l2)] = self.sqlCtx.sql("select copylist(l), maplen(d) from test").collect() - self.assertEqual(range(3), l1) - self.assertEqual(1, l2) - - def test_broadcast_in_udf(self): - bar = {"a": "aa", "b": "bb", "c": "abc"} - foo = self.sc.broadcast(bar) - self.sqlCtx.registerFunction("MYUDF", lambda x: foo.value[x] if x else '') - [res] = self.sqlCtx.sql("SELECT MYUDF('c')").collect() - self.assertEqual("abc", res[0]) - [res] = self.sqlCtx.sql("SELECT MYUDF('')").collect() - self.assertEqual("", res[0]) - - def test_basic_functions(self): - rdd = self.sc.parallelize(['{"foo":"bar"}', '{"foo":"baz"}']) - df = self.sqlCtx.jsonRDD(rdd) - df.count() - df.collect() - df.schema() - - # cache and checkpoint - self.assertFalse(df.is_cached) - df.persist() - df.unpersist() - df.cache() - self.assertTrue(df.is_cached) - self.assertEqual(2, df.count()) - - df.registerTempTable("temp") - df = self.sqlCtx.sql("select foo from temp") - df.count() - df.collect() - - def test_apply_schema_to_row(self): - df = self.sqlCtx.jsonRDD(self.sc.parallelize(["""{"a":2}"""])) - df2 = self.sqlCtx.applySchema(df.map(lambda x: x), df.schema()) - self.assertEqual(df.collect(), df2.collect()) - - rdd = self.sc.parallelize(range(10)).map(lambda x: Row(a=x)) - df3 = self.sqlCtx.applySchema(rdd, df.schema()) - self.assertEqual(10, df3.count()) - - def test_serialize_nested_array_and_map(self): - d = [Row(l=[Row(a=1, b='s')], d={"key": Row(c=1.0, d="2")})] - rdd = self.sc.parallelize(d) - df = self.sqlCtx.inferSchema(rdd) - row = df.head() - self.assertEqual(1, len(row.l)) - self.assertEqual(1, row.l[0].a) - self.assertEqual("2", row.d["key"].d) - - l = df.map(lambda x: x.l).first() - self.assertEqual(1, len(l)) - self.assertEqual('s', l[0].b) - - d = df.map(lambda x: x.d).first() - self.assertEqual(1, len(d)) - self.assertEqual(1.0, d["key"].c) - - row = df.map(lambda x: x.d["key"]).first() - self.assertEqual(1.0, row.c) - self.assertEqual("2", row.d) - - def test_infer_schema(self): - d = [Row(l=[], d={}), - Row(l=[Row(a=1, b='s')], d={"key": Row(c=1.0, d="2")}, s="")] - rdd = self.sc.parallelize(d) - df = self.sqlCtx.inferSchema(rdd) - self.assertEqual([], df.map(lambda r: r.l).first()) - self.assertEqual([None, ""], df.map(lambda r: r.s).collect()) - df.registerTempTable("test") - result = self.sqlCtx.sql("SELECT l[0].a from test where d['key'].d = '2'") - self.assertEqual(1, result.head()[0]) - - df2 = self.sqlCtx.inferSchema(rdd, 1.0) - self.assertEqual(df.schema(), df2.schema()) - self.assertEqual({}, df2.map(lambda r: r.d).first()) - self.assertEqual([None, ""], df2.map(lambda r: r.s).collect()) - df2.registerTempTable("test2") - result = self.sqlCtx.sql("SELECT l[0].a from test2 where d['key'].d = '2'") - self.assertEqual(1, result.head()[0]) - - def test_struct_in_map(self): - d = [Row(m={Row(i=1): Row(s="")})] - rdd = self.sc.parallelize(d) - df = self.sqlCtx.inferSchema(rdd) - k, v = df.head().m.items()[0] - self.assertEqual(1, k.i) - self.assertEqual("", v.s) - - def test_convert_row_to_dict(self): - row = Row(l=[Row(a=1, b='s')], d={"key": Row(c=1.0, d="2")}) - self.assertEqual(1, row.asDict()['l'][0].a) - rdd = self.sc.parallelize([row]) - df = self.sqlCtx.inferSchema(rdd) - df.registerTempTable("test") - row = self.sqlCtx.sql("select l, d from test").head() - self.assertEqual(1, row.asDict()["l"][0].a) - self.assertEqual(1.0, row.asDict()['d']['key'].c) - - def test_infer_schema_with_udt(self): - from pyspark.tests import ExamplePoint, ExamplePointUDT - row = Row(label=1.0, point=ExamplePoint(1.0, 2.0)) - rdd = self.sc.parallelize([row]) - df = self.sqlCtx.inferSchema(rdd) - schema = df.schema() - field = [f for f in schema.fields if f.name == "point"][0] - self.assertEqual(type(field.dataType), ExamplePointUDT) - df.registerTempTable("labeled_point") - point = self.sqlCtx.sql("SELECT point FROM labeled_point").head().point - self.assertEqual(point, ExamplePoint(1.0, 2.0)) - - def test_apply_schema_with_udt(self): - from pyspark.tests import ExamplePoint, ExamplePointUDT - row = (1.0, ExamplePoint(1.0, 2.0)) - rdd = self.sc.parallelize([row]) - schema = StructType([StructField("label", DoubleType(), False), - StructField("point", ExamplePointUDT(), False)]) - df = self.sqlCtx.applySchema(rdd, schema) - point = df.head().point - self.assertEquals(point, ExamplePoint(1.0, 2.0)) - - def test_parquet_with_udt(self): - from pyspark.tests import ExamplePoint - row = Row(label=1.0, point=ExamplePoint(1.0, 2.0)) - rdd = self.sc.parallelize([row]) - df0 = self.sqlCtx.inferSchema(rdd) - output_dir = os.path.join(self.tempdir.name, "labeled_point") - df0.saveAsParquetFile(output_dir) - df1 = self.sqlCtx.parquetFile(output_dir) - point = df1.head().point - self.assertEquals(point, ExamplePoint(1.0, 2.0)) - - def test_column_operators(self): - from pyspark.sql import Column, LongType - ci = self.df.key - cs = self.df.value - c = ci == cs - self.assertTrue(isinstance((- ci - 1 - 2) % 3 * 2.5 / 3.5, Column)) - rcc = (1 + ci), (1 - ci), (1 * ci), (1 / ci), (1 % ci) - self.assertTrue(all(isinstance(c, Column) for c in rcc)) - cb = [ci == 5, ci != 0, ci > 3, ci < 4, ci >= 0, ci <= 7, ci and cs, ci or cs] - self.assertTrue(all(isinstance(c, Column) for c in cb)) - cbit = (ci & ci), (ci | ci), (ci ^ ci), (~ci) - self.assertTrue(all(isinstance(c, Column) for c in cbit)) - css = cs.like('a'), cs.rlike('a'), cs.asc(), cs.desc(), cs.startswith('a'), cs.endswith('a') - self.assertTrue(all(isinstance(c, Column) for c in css)) - self.assertTrue(isinstance(ci.cast(LongType()), Column)) - - def test_column_select(self): - df = self.df - self.assertEqual(self.testData, df.select("*").collect()) - self.assertEqual(self.testData, df.select(df.key, df.value).collect()) - self.assertEqual([Row(value='1')], df.where(df.key == 1).select(df.value).collect()) - - def test_aggregator(self): - df = self.df - g = df.groupBy() - self.assertEqual([99, 100], sorted(g.agg({'key': 'max', 'value': 'count'}).collect()[0])) - self.assertEqual([Row(**{"AVG(key#0)": 49.5})], g.mean().collect()) - - from pyspark.sql import Aggregator as Agg - self.assertEqual((0, u'99'), tuple(g.agg(Agg.first(df.key), Agg.last(df.value)).first())) - self.assertTrue(95 < g.agg(Agg.approxCountDistinct(df.key)).first()[0]) - self.assertEqual(100, g.agg(Agg.countDistinct(df.value)).first()[0]) - - def test_help_command(self): - # Regression test for SPARK-5464 - rdd = self.sc.parallelize(['{"foo":"bar"}', '{"foo":"baz"}']) - df = self.sqlCtx.jsonRDD(rdd) - # render_doc() reproduces the help() exception without printing output - pydoc.render_doc(df) - pydoc.render_doc(df.foo) - pydoc.render_doc(df.take(1)) - - class InputFormatTests(ReusedPySparkTestCase): @classmethod |