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Introduce NamedArguments rule #3167

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Merged
schalkms merged 3 commits into from
Oct 26, 2020
Merged

Introduce NamedArguments rule #3167

schalkms merged 3 commits into from
Oct 26, 2020

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@sowmyav24
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@sowmyav24 sowmyav24 commented Oct 24, 2020

Fixes #1007

Changes done:

  • Introduce NamedArguments rule which enforces function invocation to have named parameters when they cross the threshold of number of non-named parameters.
  • Currently, the default is set to 3.

@sowmyav24 sowmyav24 force-pushed the named-arguments-rule branch from 871850e to 4b2d0c6 Compare October 24, 2020 05:25
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codecov bot commented Oct 24, 2020 •
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Codecov Report

Merging #3167 into master will increase coverage by 0.02%.
The diff coverage is 100.00%.

Impacted file tree graph

@@             Coverage Diff              @@
##             master    #3167      +/-   ##
============================================
+ Coverage     79.51%   79.53%   +0.02%     
- Complexity     2599     2606       +7     
============================================
  Files           437      439       +2     
  Lines          7865     7927      +62     
  Branches       1497     1510      +13     
============================================
+ Hits           6254     6305      +51     
- Misses          817      821       +4     
- Partials        794      801       +7
Impacted Files Coverage Δ Complexity Δ
...osch/detekt/rules/complexity/ComplexityProvider.kt 100.00% <100.00%> (ø) 3.00 <0.00> (ø)
...turbosch/detekt/rules/complexity/NamedArguments.kt 100.00% <100.00%> (ø) 8.00 <8.00> (?)
...kt/rules/style/LibraryCodeMustSpecifyReturnType.kt 87.50% <0.00%> (-12.50%) 12.00% <0.00%> (-4.00%)
...lab/arturbosch/detekt/rules/style/MaxLineLength.kt 79.41% <0.00%> (-5.89%) 22.00% <0.00%> (-1.00%)
...n/io/github/detekt/report/html/HtmlOutputReport.kt 94.28% <0.00%> (-0.46%) 18.00% <0.00%> (-2.00%)
...in/io/gitlab/arturbosch/detekt/rules/style/Junk.kt 100.00% <0.00%> (ø) 0.00% <0.00%> (ø%)
...bosch/detekt/formatting/KtLintLineColCalculator.kt 88.09% <0.00%> (ø) 6.00% <0.00%> (?%)
...lab/arturbosch/detekt/formatting/FormattingRule.kt 96.42% <0.00%> (+0.13%) 11.00% <0.00%> (ø%)

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@sowmyav24 sowmyav24 force-pushed the named-arguments-rule branch from 4b2d0c6 to 77c1cc5 Compare October 24, 2020 05:39
cortinico
cortinico reviewed Oct 24, 2020
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Thanks for your contrib @sowmyav24

Please clarify the documentation as the semantic is a bit unclear right now. The threshold applies to the whole number of parameters, and not just to the named parameters.

@sowmyav24 sowmyav24 force-pushed the named-arguments-rule branch from 51041b8 to cc50ded Compare October 24, 2020 11:21
@sowmyav24 sowmyav24 requested a review from cortinico October 24, 2020 14:47
cortinico
cortinico approved these changes Oct 25, 2020
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LGTM 👍

schalkms
schalkms reviewed Oct 25, 2020
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Thanks for the contribution! Please see my attached comments. I'm not sure whether there should be a bigger test coverage.

...es-complexity/src/main/kotlin/io/gitlab/arturbosch/detekt/rules/complexity/NamedArguments.kt
)

override fun visitCallExpression(expression: KtCallExpression) {
val valueArguments = expression.valueArguments
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What happens when calling constructors? Shall a test be added?

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@sowmyav24 sowmyav24 Oct 26, 2020

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The rule gets triggered. Have added tests for them

@sowmyav24 sowmyav24 force-pushed the named-arguments-rule branch from 5136577 to 81d02e1 Compare October 26, 2020 02:12
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schalkms commented Oct 26, 2020

@cortinico & @BraisGabin should this rule also report constructors or just functions? What's your take on this?

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BraisGabin commented Oct 26, 2020

I think that it should report constructors. But maybe we could have two different threshold.

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cortinico commented Oct 26, 2020

@cortinico & @BraisGabin should this rule also report constructors or just functions? What's your take on this?

Seems like it works also for ctors.

I think that it should report constructors. But maybe we could have two different threshold.

Don't have a strong opinion on this actually. Considered that the rule is not enabled by default, I'd be fine having a single threshold for now and adding another one in the future if needed.

@schalkms schalkms merged commit b6d298a into detekt:master Oct 26, 2020
@arturbosch arturbosch added this to the 1.15.0 milestone Nov 2, 2020
arturbosch pushed a commit that referenced this pull request Nov 15, 2020
@sowmyav24 @arturbosch
Introduce NamedArguments rule (#3167)
df10c8b 
* Introduce NamedArguments rule when function is invoked with more than default number of non-named parameters

* Change the documentation to make the intent of default threshold clear

* Add compliant and non-compliant code documentation. Add tests for constructor
arturbosch pushed a commit that referenced this pull request Dec 21, 2020
@sowmyav24 @arturbosch
Introduce NamedArguments rule (#3167)
dc0627c 
* Introduce NamedArguments rule when function is invoked with more than default number of non-named parameters

* Change the documentation to make the intent of default threshold clear

* Add compliant and non-compliant code documentation. Add tests for constructor
arturbosch pushed a commit that referenced this pull request Jan 16, 2021
@sowmyav24 @arturbosch
Introduce NamedArguments rule (#3167)
d077f97 
* Introduce NamedArguments rule when function is invoked with more than default number of non-named parameters

* Change the documentation to make the intent of default threshold clear

* Add compliant and non-compliant code documentation. Add tests for constructor
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@BraisGabin BraisGabin BraisGabin approved these changes

@cortinico cortinico cortinico approved these changes

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Suggestion: LongParameterList rule but on method call if named argument is not used

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@sowmyav24 @schalkms @BraisGabin @cortinico @arturbosch