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assert: improve loose assertion message #22155

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BridgeAR
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@BridgeAR BridgeAR commented Aug 6, 2018

So far the error message from a loose assertion is not always very
informative and could be misleading. This is fixed by:

  • showing more from the actual error message
  • having a better error description
  • not using custom inspection
  • inspecting a higher depth
  • inspecting the full array instead of up to 100 entries
Checklist
  • make -j4 test (UNIX), or vcbuild test (Windows) passes
  • tests and/or benchmarks are included
  • documentation is changed or added
  • commit message follows commit guidelines

So far the error message from a loose assertion is not always very
informative and could be misleading. This is fixed by:

* showing more from the actual error message
* having a better error description
* not using custom inspection
* inspecting a higher depth
* inspecting the full array instead of up to 100 entries
@nodejs-github-bot nodejs-github-bot added the assert Issues and PRs related to the assert subsystem. label Aug 6, 2018
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BridgeAR commented Aug 6, 2018

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mcollina commented Aug 8, 2018

Code LGTM. But isn't assert.deepEqual  deprecated?https://nodejs.org/api/assert.html#assert_assert_deepequal_actual_expected_message

Is this something we need?

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BridgeAR commented Aug 9, 2018

@mcollina it is doc deprecated but the problem is that it is still used relatively often. It is also not likely or currently intended to change the doc deprecation to a runtime deprecation. This is mainly a hot fix for some of the issues that the old version has for the case that people still use that.

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LGTM

@BridgeAR BridgeAR added the author ready PRs that have at least one approval, no pending requests for changes, and a CI started. label Aug 9, 2018
BridgeAR added a commit to BridgeAR/node that referenced this pull request Aug 9, 2018
So far the error message from a loose assertion is not always very
informative and could be misleading. This is fixed by:

* showing more from the actual error message
* having a better error description
* not using custom inspection
* inspecting a higher depth
* inspecting the full array instead of up to 100 entries

PR-URL: nodejs#22155
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
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BridgeAR commented Aug 9, 2018

Landed in 1d859ef

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rvagg commented Aug 13, 2018

@BridgeAR if this isn't semver-major (is it?) would you mind backporting to v10.x-staging please? There's a bit too much churn in there for this to apply nicely.

@targos targos removed the author ready PRs that have at least one approval, no pending requests for changes, and a CI started. label Aug 19, 2018
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targos commented Aug 19, 2018

Ping @BridgeAR

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targos commented Aug 29, 2018

Ping @BridgeAR

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targos commented Sep 2, 2018

Ping

@targos targos added this to Backport requested in v10.x Sep 23, 2018
oyyd pushed a commit to oyyd/node that referenced this pull request Sep 25, 2018
So far the error message from a loose assertion is not always very
informative and could be misleading. This is fixed by:

* showing more from the actual error message
* having a better error description
* not using custom inspection
* inspecting a higher depth
* inspecting the full array instead of up to 100 entries

PR-URL: nodejs#22155
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
@oyyd oyyd mentioned this pull request Sep 26, 2018
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@BridgeAR BridgeAR removed this from Backport requested in v10.x Oct 2, 2018
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BridgeAR commented Oct 2, 2018

This relies on a semver-major change and should not be backported.

@targos targos added this to Don't land (ever) in v10.x Oct 3, 2018
@BridgeAR BridgeAR deleted the improve-loose-assert-message branch January 20, 2020 11:34
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6 participants