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assert: new assertion NotElementsMatch #1600

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merged 2 commits into from
May 29, 2024

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hendrywiranto
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@hendrywiranto hendrywiranto commented May 21, 2024

Summary

Add new assertion NotElementsMatch which asserts whether 2 lists are NOT equal ignoring the order of the elements. If there are duplicate elements, the number of appearances of each of them in both lists should not match. This is an inverse of ElementsMatch.

Changes

  • Add new assertion NotElementsMatch

Motivation

  • No assertion for comparing 2 lists do NOT contain the exact same elements, irrespective of order. (inverse of ElementsMatch)

Related issues

#1594
#1592

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@brackendawson
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I had read the user's request as wanting NotElementsMatch (inverse of ElementsMatch) rather than NoElementsMatch, which a new and different assertion.

NotElementsMatch is an easy sell because by not having a negative it's inconsistent with the rest of the API and because a user requested it.

NoElementsMatch makes sense but is harder to justify because it's a distinct assertion and because nobody asked for it. Does it have an opposite? NotNoElementsMatch? OneElementMatches?

@hendrywiranto
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I had read the user's request as wanting NotElementsMatch (inverse of ElementsMatch) rather than NoElementsMatch, which a new and different assertion.

NotElementsMatch is an easy sell because by not having a negative it's inconsistent with the rest of the API and because a user requested it.

NoElementsMatch makes sense but is harder to justify because it's a distinct assertion and because nobody asked for it. Does it have an opposite? NotNoElementsMatch? OneElementMatches?

Hello, thanks for the review
I agree with you, should've just made the NotElementsMatch
I never intend to make a new assertion, it's a misunderstanding between the two assertion, I was thinking those two would be the same
I'll update the PR

@hendrywiranto hendrywiranto changed the title assert: new assertion NoElementsMatch assert: new assertion NotElementsMatch May 27, 2024
@hendrywiranto
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I adjusted the PR to NotElementsMatch, please kindly review again @brackendawson thank you 😄

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Looks great. I considered if ElementsMatch should be moved to a private function and wrapped by ElementsMatch and NotElementsMatch, but this is already done with diffLists. 👍

Would like to see the references to the lists in the failure messages match the parameter names, though.

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Looks great. I considered if ElementsMatch should be moved to a private function and wrapped by ElementsMatch and NotElementsMatch, but this is already done with diffLists. 👍

and the diffLists has already been tested separately too so we can use it like this 💯

Would like to see the references to the lists in the failure messages match the parameter names, though.

Thanks for the input, adjusted!

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LGTM

@brackendawson brackendawson merged commit 1b4fca7 into stretchr:master May 29, 2024
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@dolmen dolmen added enhancement pkg-assert Change related to package testify/assert labels Jun 6, 2024
apricote pushed a commit to hetznercloud/fleeting-plugin-hetzner that referenced this pull request Nov 25, 2024
…nercloud/fleeting-plugin-hetzner!175)

This MR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
| [github.com/stretchr/testify](https://github.com/stretchr/testify) | require | minor | `v1.9.0` -> `v1.10.0` |

---

### Release Notes

<details>
<summary>stretchr/testify (github.com/stretchr/testify)</summary>

### [`v1.10.0`](https://github.com/stretchr/testify/releases/tag/v1.10.0)

[Compare Source](stretchr/testify@v1.9.0...v1.10.0)

#### What's Changed

##### Functional Changes

-   Add PanicAssertionFunc by [@&#8203;fahimbagar](https://github.com/fahimbagar) in stretchr/testify#1337
-   assert: deprecate CompareType by [@&#8203;dolmen](https://github.com/dolmen) in stretchr/testify#1566
-   assert: make YAML dependency pluggable via build tags by [@&#8203;dolmen](https://github.com/dolmen) in stretchr/testify#1579
-   assert: new assertion NotElementsMatch by [@&#8203;hendrywiranto](https://github.com/hendrywiranto) in stretchr/testify#1600
-   mock: in order mock calls by [@&#8203;ReyOrtiz](https://github.com/ReyOrtiz) in stretchr/testify#1637
-   Add assertion for NotErrorAs by [@&#8203;palsivertsen](https://github.com/palsivertsen) in stretchr/testify#1129
-   Record Return Arguments of a Call by [@&#8203;jayd3e](https://github.com/jayd3e) in stretchr/testify#1636
-   assert.EqualExportedValues: accepts everything by [@&#8203;redachl](https://github.com/redachl) in stretchr/testify#1586

##### Fixes

-   assert: make tHelper a type alias by [@&#8203;dolmen](https://github.com/dolmen) in stretchr/testify#1562
-   Do not get argument again unnecessarily in Arguments.Error() by [@&#8203;TomWright](https://github.com/TomWright) in stretchr/testify#820
-   Fix time.Time compare by [@&#8203;myxo](https://github.com/myxo) in stretchr/testify#1582
-   assert.Regexp: handle \[]byte array properly by [@&#8203;kevinburkesegment](https://github.com/kevinburkesegment) in stretchr/testify#1587
-   assert: collect.FailNow() should not panic by [@&#8203;marshall-lee](https://github.com/marshall-lee) in stretchr/testify#1481
-   mock: simplify implementation of FunctionalOptions by [@&#8203;dolmen](https://github.com/dolmen) in stretchr/testify#1571
-   mock: caller information for unexpected method call by [@&#8203;spirin](https://github.com/spirin) in stretchr/testify#1644
-   suite: fix test failures by [@&#8203;stevenh](https://github.com/stevenh) in stretchr/testify#1421
-   Fix issue [#&#8203;1662](stretchr/testify#1662) (comparing infs should fail) by [@&#8203;ybrustin](https://github.com/ybrustin) in stretchr/testify#1663
-   NotSame should fail if args are not pointers [#&#8203;1661](stretchr/testify#1661) by [@&#8203;sikehish](https://github.com/sikehish) in stretchr/testify#1664
-   Increase timeouts in Test_Mock_Called_blocks to reduce flakiness in CI by [@&#8203;sikehish](https://github.com/sikehish) in stretchr/testify#1667
-   fix: compare functional option names for indirect calls by [@&#8203;arjun-1](https://github.com/arjun-1) in stretchr/testify#1626

##### Documantation, Build & CI

-   .gitignore: ignore "go test -c" binaries by [@&#8203;dolmen](https://github.com/dolmen) in stretchr/testify#1565
-   mock: improve doc by [@&#8203;dolmen](https://github.com/dolmen) in stretchr/testify#1570
-   mock: fix FunctionalOptions docs by [@&#8203;snirye](https://github.com/snirye) in stretchr/testify#1433
-   README: link out to the excellent testifylint by [@&#8203;brackendawson](https://github.com/brackendawson) in stretchr/testify#1568
-   assert: fix typo in comment by [@&#8203;JohnEndson](https://github.com/JohnEndson) in stretchr/testify#1580
-   Correct the EventuallyWithT and EventuallyWithTf example by [@&#8203;JonCrowther](https://github.com/JonCrowther) in stretchr/testify#1588
-   CI: bump softprops/action-gh-release from 1 to 2 by [@&#8203;dependabot](https://github.com/dependabot) in stretchr/testify#1575
-   mock: document more alternatives to deprecated AnythingOfTypeArgument by [@&#8203;dolmen](https://github.com/dolmen) in stretchr/testify#1569
-   assert: Correctly document EqualValues behavior by [@&#8203;brackendawson](https://github.com/brackendawson) in stretchr/testify#1593
-   fix: grammar in godoc by [@&#8203;miparnisari](https://github.com/miparnisari) in stretchr/testify#1607
-   .github/workflows: Run tests for Go 1.22 by [@&#8203;HaraldNordgren](https://github.com/HaraldNordgren) in stretchr/testify#1629
-   Document suite's lack of support for t.Parallel by [@&#8203;brackendawson](https://github.com/brackendawson) in stretchr/testify#1645
-   assert: fix typos in comments by [@&#8203;alexandear](https://github.com/alexandear) in stretchr/testify#1650
-   mock: fix doc comment for NotBefore by [@&#8203;alexandear](https://github.com/alexandear) in stretchr/testify#1651
-   Generate better comments for require package by [@&#8203;Neokil](https://github.com/Neokil) in stretchr/testify#1610
-   README: replace Testify V2 notice with [@&#8203;dolmen](https://github.com/dolmen)'s V2 manifesto by [@&#8203;hendrywiranto](https://github.com/hendrywiranto) in stretchr/testify#1518

#### New Contributors

-   [@&#8203;fahimbagar](https://github.com/fahimbagar) made their first contribution in stretchr/testify#1337
-   [@&#8203;TomWright](https://github.com/TomWright) made their first contribution in stretchr/testify#820
-   [@&#8203;snirye](https://github.com/snirye) made their first contribution in stretchr/testify#1433
-   [@&#8203;myxo](https://github.com/myxo) made their first contribution in stretchr/testify#1582
-   [@&#8203;JohnEndson](https://github.com/JohnEndson) made their first contribution in stretchr/testify#1580
-   [@&#8203;JonCrowther](https://github.com/JonCrowther) made their first contribution in stretchr/testify#1588
-   [@&#8203;miparnisari](https://github.com/miparnisari) made their first contribution in stretchr/testify#1607
-   [@&#8203;marshall-lee](https://github.com/marshall-lee) made their first contribution in stretchr/testify#1481
-   [@&#8203;spirin](https://github.com/spirin) made their first contribution in stretchr/testify#1644
-   [@&#8203;ReyOrtiz](https://github.com/ReyOrtiz) made their first contribution in stretchr/testify#1637
-   [@&#8203;stevenh](https://github.com/stevenh) made their first contribution in stretchr/testify#1421
-   [@&#8203;jayd3e](https://github.com/jayd3e) made their first contribution in stretchr/testify#1636
-   [@&#8203;Neokil](https://github.com/Neokil) made their first contribution in stretchr/testify#1610
-   [@&#8203;redachl](https://github.com/redachl) made their first contribution in stretchr/testify#1586
-   [@&#8203;ybrustin](https://github.com/ybrustin) made their first contribution in stretchr/testify#1663
-   [@&#8203;sikehish](https://github.com/sikehish) made their first contribution in stretchr/testify#1664
-   [@&#8203;arjun-1](https://github.com/arjun-1) made their first contribution in stretchr/testify#1626

**Full Changelog**: stretchr/testify@v1.9.0...v1.10.0

</details>

---

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---

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---

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