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UnnecessaryAbstractClass: fix false positive when the abstract class has properties in the primary constructor #4628

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merged 2 commits into from Mar 12, 2022

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t-kameyama
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@t-kameyama t-kameyama commented Mar 12, 2022

Fixes #4626

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codecov bot commented Mar 12, 2022

Codecov Report

Merging #4628 (53bb7a7) into main (ea6737f) will increase coverage by 84.52%.
The diff coverage is 64.00%.

Impacted file tree graph

@@             Coverage Diff             @@
##             main    #4628       +/-   ##
===========================================
+ Coverage        0   84.52%   +84.52%     
- Complexity      0     3358     +3358     
===========================================
  Files           0      481      +481     
  Lines           0    11193    +11193     
  Branches        0     2042     +2042     
===========================================
+ Hits            0     9461     +9461     
- Misses          0      698      +698     
- Partials        0     1034     +1034     
Impacted Files Coverage Δ
...sch/detekt/rules/style/UnnecessaryAbstractClass.kt 79.16% <64.00%> (ø)
...lin/io/github/detekt/tooling/api/spec/RulesSpec.kt 100.00% <0.00%> (ø)
...itlab/arturbosch/detekt/api/internal/Signatures.kt 85.71% <0.00%> (ø)
...n/io/github/detekt/metrics/CyclomaticComplexity.kt 95.31% <0.00%> (ø)
...github/detekt/tooling/dsl/ProcessingSpecBuilder.kt 100.00% <0.00%> (ø)
...arturbosch/detekt/generator/printer/RulePrinter.kt 100.00% <0.00%> (ø)
...bosch/detekt/generator/collection/DefaultValues.kt 90.00% <0.00%> (ø)
...sch/detekt/formatting/wrappers/NoMultipleSpaces.kt 100.00% <0.00%> (ø)
...osch/detekt/core/tooling/DefaultVersionProvider.kt 50.00% <0.00%> (ø)
...n/kotlin/io/gitlab/arturbosch/detekt/api/Entity.kt 75.00% <0.00%> (ø)
... and 472 more

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@cortinico cortinico added this to the 1.20.0 milestone Mar 12, 2022
Comment on lines +87 to +97
val (abstractMembers, concreteMembers) = members.partition { it.isAbstract() }
if (abstractMembers.isEmpty() && !hasInheritedMember(true)) {
report(CodeSmell(issue, Entity.from(this), noAbstractMember))
return
}
if (abstractMembers.any { it.isInternal() || it.isProtected() } || hasConstructorParameter()) {
return
}
if (concreteMembers.isEmpty() && !hasInheritedMember(false)) {
report(CodeSmell(issue, Entity.from(this), noConcreteMember))
}
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Nit: The previous detectAbstractAndConcreteType() seems cleaner to me.

Comment on lines +106 to +107
private fun KtClass.members() = body?.children?.filterIsInstance<KtCallableDeclaration>().orEmpty() +
primaryConstructor?.valueParameters?.filter { it.hasValOrVar() }.orEmpty()
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For future readers: This line of change is the fix.

@chao2zhang chao2zhang merged commit 7740a2a into detekt:main Mar 12, 2022
@t-kameyama t-kameyama deleted the issue_4626 branch March 12, 2022 18:28
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UnnecessaryAbstractClass does not consider unimplemented base properties
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