60 lines
3.1 KiB
Python
60 lines
3.1 KiB
Python
import unittest
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from sqlglot.dataframe.sql import functions as F
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from sqlglot.dataframe.sql.window import Window, WindowSpec
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class TestDataframeWindow(unittest.TestCase):
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def test_window_spec_partition_by(self):
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partition_by = WindowSpec().partitionBy(F.col("cola"), F.col("colb"))
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self.assertEqual("OVER (PARTITION BY cola, colb)", partition_by.sql())
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def test_window_spec_order_by(self):
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order_by = WindowSpec().orderBy("cola", "colb")
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self.assertEqual("OVER (ORDER BY cola, colb)", order_by.sql())
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def test_window_spec_rows_between(self):
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rows_between = WindowSpec().rowsBetween(3, 5)
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self.assertEqual("OVER ( ROWS BETWEEN 3 PRECEDING AND 5 FOLLOWING)", rows_between.sql())
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def test_window_spec_range_between(self):
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range_between = WindowSpec().rangeBetween(3, 5)
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self.assertEqual("OVER ( RANGE BETWEEN 3 PRECEDING AND 5 FOLLOWING)", range_between.sql())
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def test_window_partition_by(self):
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partition_by = Window.partitionBy(F.col("cola"), F.col("colb"))
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self.assertEqual("OVER (PARTITION BY cola, colb)", partition_by.sql())
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def test_window_order_by(self):
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order_by = Window.orderBy("cola", "colb")
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self.assertEqual("OVER (ORDER BY cola, colb)", order_by.sql())
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def test_window_rows_between(self):
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rows_between = Window.rowsBetween(3, 5)
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self.assertEqual("OVER ( ROWS BETWEEN 3 PRECEDING AND 5 FOLLOWING)", rows_between.sql())
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def test_window_range_between(self):
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range_between = Window.rangeBetween(3, 5)
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self.assertEqual("OVER ( RANGE BETWEEN 3 PRECEDING AND 5 FOLLOWING)", range_between.sql())
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def test_window_rows_unbounded(self):
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rows_between_unbounded_start = Window.rowsBetween(Window.unboundedPreceding, 2)
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self.assertEqual("OVER ( ROWS BETWEEN UNBOUNDED PRECEDING AND 2 FOLLOWING)", rows_between_unbounded_start.sql())
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rows_between_unbounded_end = Window.rowsBetween(1, Window.unboundedFollowing)
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self.assertEqual("OVER ( ROWS BETWEEN 1 PRECEDING AND UNBOUNDED FOLLOWING)", rows_between_unbounded_end.sql())
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rows_between_unbounded_both = Window.rowsBetween(Window.unboundedPreceding, Window.unboundedFollowing)
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self.assertEqual(
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"OVER ( ROWS BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING)", rows_between_unbounded_both.sql()
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)
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def test_window_range_unbounded(self):
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range_between_unbounded_start = Window.rangeBetween(Window.unboundedPreceding, 2)
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self.assertEqual(
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"OVER ( RANGE BETWEEN UNBOUNDED PRECEDING AND 2 FOLLOWING)", range_between_unbounded_start.sql()
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)
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range_between_unbounded_end = Window.rangeBetween(1, Window.unboundedFollowing)
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self.assertEqual("OVER ( RANGE BETWEEN 1 PRECEDING AND UNBOUNDED FOLLOWING)", range_between_unbounded_end.sql())
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range_between_unbounded_both = Window.rangeBetween(Window.unboundedPreceding, Window.unboundedFollowing)
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self.assertEqual(
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"OVER ( RANGE BETWEEN UNBOUNDED PRECEDING AND UNBOUNDED FOLLOWING)", range_between_unbounded_both.sql()
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)
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