From caa95a92a41e3261e7d8ac1d9eb57716e4edff00 Mon Sep 17 00:00:00 2001
From: Gouri Panda <gouripanda4@gmail.com>
Date: Sat, 16 Jul 2022 00:04:54 +0530
Subject: [PATCH] ReturnCount.excludedFunctions should be a List<String>

---
 .../io/gitlab/arturbosch/detekt/api/SplitPattern.kt |  6 ++++--
 .../src/main/resources/default-detekt-config.yml    |  3 ++-
 .../arturbosch/detekt/rules/style/ReturnCount.kt    | 13 ++++++++++---
 .../detekt/rules/style/ReturnCountSpec.kt           |  2 +-
 4 files changed, 17 insertions(+), 7 deletions(-)

diff --git a/detekt-api/src/main/kotlin/io/gitlab/arturbosch/detekt/api/SplitPattern.kt b/detekt-api/src/main/kotlin/io/gitlab/arturbosch/detekt/api/SplitPattern.kt
index 1450f2a11646..ccfd4010c3cd 100644
--- a/detekt-api/src/main/kotlin/io/gitlab/arturbosch/detekt/api/SplitPattern.kt
+++ b/detekt-api/src/main/kotlin/io/gitlab/arturbosch/detekt/api/SplitPattern.kt
@@ -28,7 +28,8 @@ open class SplitPattern(
     /**
      * Does any part contain given [value]?
      */
-    fun contains(value: String?): Boolean = excludes.any { value?.contains(it, ignoreCase = true) == true }
+    fun contains(value: String?): Boolean =
+        excludes.any { value?.contains(it, ignoreCase = true) == true }
 
     /**
      * Is there any element which matches the given [value]?
@@ -43,7 +44,8 @@ open class SplitPattern(
     /**
      * Finds all parts which match the given [value].
      */
-    fun matches(value: String): List<String> = excludes.filter { value.contains(it, ignoreCase = true) }
+    fun matches(value: String): List<String> =
+        excludes.filter { value.contains(it, ignoreCase = true) }
 
     /**
      * Tests if any part starts with the given [value]
diff --git a/detekt-core/src/main/resources/default-detekt-config.yml b/detekt-core/src/main/resources/default-detekt-config.yml
index 462058ca590c..b83d5201eb6b 100644
--- a/detekt-core/src/main/resources/default-detekt-config.yml
+++ b/detekt-core/src/main/resources/default-detekt-config.yml
@@ -626,7 +626,8 @@ style:
   ReturnCount:
     active: true
     max: 2
-    excludedFunctions: 'equals'
+    excludedFunctions:
+      - 'equals'
     excludeLabeled: false
     excludeReturnFromLambda: true
     excludeGuardClauses: false
diff --git a/detekt-rules-style/src/main/kotlin/io/gitlab/arturbosch/detekt/rules/style/ReturnCount.kt b/detekt-rules-style/src/main/kotlin/io/gitlab/arturbosch/detekt/rules/style/ReturnCount.kt
index 1d6d69e53eb2..3158efd3227d 100644
--- a/detekt-rules-style/src/main/kotlin/io/gitlab/arturbosch/detekt/rules/style/ReturnCount.kt
+++ b/detekt-rules-style/src/main/kotlin/io/gitlab/arturbosch/detekt/rules/style/ReturnCount.kt
@@ -59,8 +59,14 @@ class ReturnCount(config: Config = Config.empty) : Rule(config) {
     @Configuration("define the maximum number of return statements allowed per function")
     private val max: Int by config(2)
 
-    @Configuration("define a free-form comma separated list of function names to be ignored by this check")
-    private val excludedFunctions: SplitPattern by config("equals") { SplitPattern(it) }
+    @Configuration("define a list of function names to be ignored by this check")
+    private val excludedFunctions: SplitPattern by config(listOf("equals")) {
+        SplitPattern(
+            it.joinToString(
+                ","
+            )
+        )
+    }
 
     @Configuration("if labeled return statements should be ignored")
     private val excludeLabeled: Boolean by config(false)
@@ -90,7 +96,8 @@ class ReturnCount(config: Config = Config.empty) : Rule(config) {
         }
     }
 
-    private fun shouldBeIgnored(function: KtNamedFunction) = excludedFunctions.contains(function.name)
+    private fun shouldBeIgnored(function: KtNamedFunction) =
+        excludedFunctions.contains(function.name)
 
     private fun countReturnStatements(function: KtNamedFunction): Int {
         fun KtReturnExpression.isExcluded(): Boolean = when {
diff --git a/detekt-rules-style/src/test/kotlin/io/gitlab/arturbosch/detekt/rules/style/ReturnCountSpec.kt b/detekt-rules-style/src/test/kotlin/io/gitlab/arturbosch/detekt/rules/style/ReturnCountSpec.kt
index 9abd3b37a9b5..1ce28adf704a 100644
--- a/detekt-rules-style/src/test/kotlin/io/gitlab/arturbosch/detekt/rules/style/ReturnCountSpec.kt
+++ b/detekt-rules-style/src/test/kotlin/io/gitlab/arturbosch/detekt/rules/style/ReturnCountSpec.kt
@@ -347,7 +347,7 @@ class ReturnCountSpec {
                 TestConfig(
                     mapOf(
                         MAX to "2",
-                        EXCLUDED_FUNCTIONS to "test1,test2"
+                        EXCLUDED_FUNCTIONS to listOf("test1", "test2")
                     )
                 )
             ).compileAndLint(code)