itholic opened a new pull request, #43398:
URL: https://github.com/apache/spark/pull/43398
### What changes were proposed in this pull request?
This PR proposes to support utility functions `assert_frame_equal`,
`assert_series_equal`, and `assert_index_equal` in the Pandas API on Spark to
aid users in testing.
### Why are the changes needed?
These utility functions allow users to efficiently test the equality of
`DataFrames`, `Series`, and `Indexes` in the Pandas API on Spark. Ensuring
accurate testing helps in maintaining code quality and user trust in the
platform.
e.g.
```python
from pyspark.pandas.testing import assert_frame_equal
df1 = spark.createDataFrame([('Alice', 1), ('Bob', 2)], ["name", "age"])
df2 = spark.createDataFrame([('Alice', 1), ('Bob', 2)], ["name", "age"])
assert_frame_equal(df1, df2)
```
### Does this PR introduce _any_ user-facing change?
Yes. Users will now have access to `assert_frame_equal`,
`assert_series_equal`, `and assert_index_equal` functions for testing purposes.
### How was this patch tested?
Added doctests.
### Was this patch authored or co-authored using generative AI tooling?
No.
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