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Fix #982, Add test for object id inline functions #990

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merged 2 commits into from
May 18, 2021

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zanzaben
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@zanzaben zanzaben commented May 7, 2021

Describe the contribution
Fixes #982
Adds test for inline object id functions

Testing performed
Build and run unit test

Expected behavior changes
No impact to behavior

System(s) tested on
Ubuntu 20.04

Contributor Info - All information REQUIRED for consideration of pull request
Alex Campbell GSFC

@zanzaben zanzaben added the CCB:Ready Pull request is ready for discussion at the Configuration Control Board (CCB) label May 10, 2021
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Some comments noted inline.

I would also suggest just doing one record of each type. "maxing it out" by calling OS_ObjectIdAllocateNew until it fails seems like overdoing it. These inline functions are just simple ops and generally have no conditionals, there isn't a real benefit to testing it with every possible value.

src/unit-test-coverage/shared/src/coveragetest-idmap.c Outdated Show resolved Hide resolved
src/unit-test-coverage/shared/src/coveragetest-idmap.c Outdated Show resolved Hide resolved
src/unit-test-coverage/shared/src/coveragetest-idmap.c Outdated Show resolved Hide resolved
src/unit-test-coverage/shared/src/coveragetest-idmap.c Outdated Show resolved Hide resolved
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skliper commented May 12, 2021

I prefer maxing out for the comparison test. Would catch any strange rollover bugs, or bug in creating the unique IDs. This isn't a huge number, so seems reasonable for the additional "black box" coverage to ensure uniqueness.

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I prefer maxing out for the comparison test. Would catch any strange rollover bugs, or bug in creating the unique IDs. This isn't a huge number, so seems reasonable for the additional "black box" coverage to ensure uniqueness.

That's done by the existing test cases for OS_ObjectIdAllocateNew though - this calls it OS_OBJECT_INDEX_MASK times (plus some extra) to ensure the rollover happens correctly.

If the objective of these tests should be to check the inline functions, just a few choice values should be enough (I'd consider adding OS_OBJECT_ID_UNDEFINED too, which is not part of the current set). They are really just type-safety tools at the end of the day (typecast replacement and a type-specific equality check) and don't have any real logic in them.

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skliper commented May 12, 2021

I still don't see any harm to confirm all the ID's across all the types are never equal except to themselves. It adds very little complexity to the test. The test for equality after the conversion from/to index across all IDs that can be allocated also shows the conversion doesn't change anything or cause loss of info. Why skip when there's such little "cost"? Plus it's already implemented... so is it really worth backing out a more thorough test? I don't really care that it may be caught by some other test somewhere based on how it's implemented, that other test doesn't also exercise the conversions so I'd rather keep the full range i here. Also avoids dependencies on other tests (say the other test changes, could make a reduced test here now miss something else).

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astrogeco commented May 12, 2021

CCB:2021-05-12 CHANGES REQUESTED

  • Don't like repeating things in tests
  • Open issue to move API to header? This can help to expose for the coverage test.
  • Add a test against "undefined".
  • The problem is that we don't test these in functional tests
  • If time is trivial, it's okay to overtest a little
  • Watch out for log growing too big in the future or tests taking too long

@astrogeco astrogeco removed the CCB:Ready Pull request is ready for discussion at the Configuration Control Board (CCB) label May 12, 2021
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@zanzaben do we want to change this to draft since there more work to do?

@zanzaben zanzaben marked this pull request as draft May 12, 2021 18:29
@zanzaben zanzaben changed the title Fix #982, Add test for object id inline functions WIP Fix #982, Add test for object id inline functions May 12, 2021
@zanzaben zanzaben force-pushed the fix982_object_id_test branch 2 times, most recently from 41281d0 to 9191298 Compare May 13, 2021 14:24
@zanzaben zanzaben changed the title WIP Fix #982, Add test for object id inline functions Fix #982, Add test for object id inline functions May 13, 2021
@zanzaben zanzaben marked this pull request as ready for review May 13, 2021 14:30
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All requested changes have been made.

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Getting better, but still a few more concerns.

src/unit-test-coverage/shared/src/coveragetest-idmap.c Outdated Show resolved Hide resolved
recordscount++;
}

} while (actual == OS_SUCCESS);
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The other thing I'd like to see as part of this loop is a check that recordscount does not exceed OS_MAX_TOTAL_RECORDS. It shouldn't when things are working right.... but should confirm that.

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fixed

src/unit-test-coverage/shared/src/coveragetest-idmap.c Outdated Show resolved Hide resolved
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I merged this into my branch and ran it, looks OK ....

BUT - I still think we should reconsider testing all the values. In my test this produced 79243 test cases, which all get written to the log file.

Yes, it runs pretty fast on Linux where the console is local. But the log file ends up being almost 6MB in size. If running this on VxWorks on a 9600 baud serial connection, this will likely take 1-2 hours to print all those messages to the console.

IMO no test should produce more than 1000 cases (there are 3 digits allocated in the template). Even that is a little excessive.

Can we just limit it to 5 IDs of each type?

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Alternatively - if we can switch the "does not equal" test (noted in my previous comment) to only assert if it fails. In other words, something like

if (ObjectIdEqual(...)) 
{
    UtAssert_Failed(....)
}

This cuts the number of logged test cases from nearly 80k to about 580.
@astrogeco astrogeco added the CCB:Approved Indicates code review and approval by community CCB label May 16, 2021
@astrogeco astrogeco changed the base branch from main to integration-candidate May 18, 2021 12:42
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@zanzaben and @jphickey are we good to go with this one?

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@zanzaben and @jphickey are we good to go with this one?

Yes, I think its all set.

@astrogeco astrogeco merged commit 278749a into nasa:integration-candidate May 18, 2021
astrogeco added a commit to nasa/cFS that referenced this pull request May 19, 2021
nasa/cFE#1482, Resolve sequence count auto-increment rollover bug

nasa/osal#985, rename hooks to handlers
nasa/osal#1000, propagate status code in OS_rmdir
nasa/osal#1001, rework "unit-tests" to use macros
nasa/osal#1003, remove extra newlines in utassert logs
nasa/osal#990, Add test for object id inline functions
nasa/osal#998, fixed invalid inputs for OS_mkdir
nasa/osal#812, Improves config guide documentation
astrogeco added a commit to nasa/cFS that referenced this pull request May 19, 2021
Combines:

nasa/cFE#1508, cFE v6.8.0-rc1+dev580
nasa/osal#1006, osal v5.1.0-rc1+dev452

Includes:

nasa/cFE#1482, Resolve sequence count auto-increment rollover bug
nasa/cFE#1491, Correctly format code block section terminator
nasa/cFE#1530, Fix typos in developer guide

nasa/osal#985, rename hooks to handlers
nasa/osal#1000, propagate status code in OS_rmdir
nasa/osal#1001, rework "unit-tests" to use macros
nasa/osal#1003, remove extra newlines in utassert logs
nasa/osal#990, Add test for object id inline functions
nasa/osal#998, fixed invalid inputs for OS_mkdir
nasa/osal#812, Improves config guide documentation
nasa/osal#987, Show CodeQL Preview
astrogeco added a commit to nasa/cFS that referenced this pull request May 19, 2021
Combines:

nasa/cFE#1508, cFE v6.8.0-rc1+dev580
nasa/osal#1006, osal v5.1.0-rc1+dev452

Includes:

nasa/cFE#1482, Resolve sequence count auto-increment rollover bug
nasa/cFE#1491, Correctly format code block section terminator
nasa/cFE#1530, Fix typos in developer guide

nasa/osal#985, rename hooks to handlers
nasa/osal#1000, propagate status code in OS_rmdir
nasa/osal#1001, rework "unit-tests" to use macros
nasa/osal#1003, remove extra newlines in utassert logs
nasa/osal#990, Add test for object id inline functions
nasa/osal#998, fixed invalid inputs for OS_mkdir
nasa/osal#812, Improves config guide documentation
nasa/osal#987, Show CodeQL Preview

Co-Authored-By: Jake Hageman <[email protected]>
Co-Authored-By: Joseph Hickey <[email protected]>
Co-Authored-By: Ariel Adams <[email protected]>
Co-Authored-By: Alex Campbell <[email protected]>
Co-Authored-By: Tobias Nießen <[email protected]>
Co-Authored-By: Jonathan Bohren <[email protected]>
Co-Authored-By: Andrei Tumbar <[email protected]>
@skliper skliper added this to the 6.0.0 milestone Sep 24, 2021
jphickey pushed a commit to jphickey/osal that referenced this pull request Aug 10, 2022
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Add tests for object id inline functions
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