On Fri, Nov 29, 2019, at 9:13 AM, sumau wrote: > Hello > > I think my original question was too generic so rephrasing... Is there a way > in sqlalchemy to: > 1. Assert a ResultProxy against an expected ResultProxy (or list of > RowProxies against expected list of RowProxies) > 2. Show any differences > I wanted to check first before writing my own script :-)
you fetch the rows into a list and compare: assert result.fetchall() == otherresult.fetchall() that's pretty much it, obviously does not scale for thousands or more of rows very well. > > Regards > S > > On Friday, 22 November 2019 10:50:54 UTC, sumau wrote: >> Hello >> >> I would like to assert the contents of tables in my PG schema i.e. make sure >> it contains the data I'm expecting >> >> I am aware of various options: >> >> 1) Compare the actual and expected tables using a sql query, orchestrated by >> sqlalchemy (i.e. create the actual and expected tables in DB, run the sql >> comparison script, return the output) >> 2) Load the actual tables as tuples and compare them with expected tuples >> using something like assert_result >> https://github.com/sqlalchemy/sqlalchemy/blob/d933ddd503a1ca0a7c562c51c503139c541e707e/lib/sqlalchemy/testing/assertions.py#L465 >> 3) Load the actual tables as dataframes and compare them with expected >> dataframes using pandas assert_frame_equal >> https://pandas.pydata.org/pandas-docs/stable/reference/api/pandas.testing.assert_frame_equal.html >> >> Any recommendations / thoughts would be much appreciated, both as to the >> approach and the implementation :-) > > -- > SQLAlchemy - > The Python SQL Toolkit and Object Relational Mapper > > http://www.sqlalchemy.org/ > > To post example code, please provide an MCVE: Minimal, Complete, and > Verifiable Example. See http://stackoverflow.com/help/mcve for a full > description. > --- > You received this message because you are subscribed to the Google Groups > "sqlalchemy" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to sqlalchemy+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/sqlalchemy/0baf6b7a-69e7-4dcf-a76a-813ff7583ac0%40googlegroups.com > > <https://groups.google.com/d/msgid/sqlalchemy/0baf6b7a-69e7-4dcf-a76a-813ff7583ac0%40googlegroups.com?utm_medium=email&utm_source=footer>. -- SQLAlchemy - The Python SQL Toolkit and Object Relational Mapper http://www.sqlalchemy.org/ To post example code, please provide an MCVE: Minimal, Complete, and Verifiable Example. See http://stackoverflow.com/help/mcve for a full description. --- You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To unsubscribe from this group and stop receiving emails from it, send an email to sqlalchemy+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sqlalchemy/19d57cfb-f8de-4df2-ab78-d601ed8588f2%40www.fastmail.com.
