Disable testGzipWithContentLengthWithoutPlugin for non-JVM clients (#…

…4583)

* Use EnginePattern for both for except and only

ktor-client/ktor-client-tests/common/src/io/ktor/client/tests/utils/ClientLoader.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2024 JetBrains s.r.o and contributors. Use of this source code is governed by the Apache 2.0 license.
+ * Copyright 2014-2025 JetBrains s.r.o and contributors. Use of this source code is governed by the Apache 2.0 license.
  */
 
 package io.ktor.client.tests.utils
@@ -79,16 +79,16 @@ abstract class ClientLoader(private val timeout: Duration = 1.minutes) {
 
     /** Defines that test should be executed only with the specified [engine]. */
     fun only(engine: String): EngineSelectionRule {
-        val lowercaseEngineName = engine.lowercase()
-        return EngineSelectionRule { it.lowercase() == lowercaseEngineName }
+        val pattern = EnginePattern.parse(engine)
+        return EngineSelectionRule { pattern.matches(it) }
     }
 
     /** Excludes the specified [engines] from test execution. */
     fun except(vararg engines: String): EngineSelectionRule = except(engines.asList())
 
     /** Excludes the specified [engines] from test execution. */
     fun except(engines: List<String>): EngineSelectionRule {
-        val skipPatterns = engines.map(SkipEnginePattern::parse)
+        val skipPatterns = engines.map(EnginePattern::parse)
         return EngineSelectionRule { engineName -> skipPatterns.none { it.matches(engineName) } }
     }
 
@@ -176,23 +176,23 @@ fun interface EngineSelectionRule {
     fun shouldRun(engineName: String): Boolean
 }
 
-private data class SkipEnginePattern(
-    val skippedPlatform: String?, // null means * or empty
-    val skippedEngine: String?, // null means * or empty
+private data class EnginePattern(
+    val matchingPlatform: String?, // null means * or empty
+    val matchingEngine: String?, // null means * or empty
 ) {
     fun matches(engineName: String): Boolean {
         var result = true
-        if (skippedEngine != null) {
-            result = result && engineName.lowercase() == skippedEngine
+        if (matchingEngine != null) {
+            result = result && engineName.lowercase() == matchingEngine
         }
-        if (result && skippedPlatform != null) {
-            result = result && platformName.startsWith(skippedPlatform)
+        if (result && matchingPlatform != null) {
+            result = result && platformName.startsWith(matchingPlatform)
         }
         return result
     }
 
     companion object {
-        fun parse(pattern: String): SkipEnginePattern {
+        fun parse(pattern: String): EnginePattern {
             val parts = pattern.lowercase().split(":").map { it.takeIf { it != "*" } }
             val platform: String?
             val engine: String?
@@ -207,13 +207,13 @@ private data class SkipEnginePattern(
                     engine = parts[1]
                 }
 
-                else -> error("Skip engine pattern should consist of two parts: PLATFORM:ENGINE or ENGINE")
+                else -> error("Engine pattern should consist of two parts: PLATFORM:ENGINE or ENGINE")
             }
 
             if (platform == null && engine == null) {
-                error("Skip engine pattern should consist of two parts: PLATFORM:ENGINE or ENGINE")
+                error("Engine pattern should consist of two parts: PLATFORM:ENGINE or ENGINE")
             }
-            return SkipEnginePattern(platform, engine)
+            return EnginePattern(platform, engine)
         }
     }
 }

ktor-client/ktor-client-tests/common/test/io/ktor/client/tests/ContentEncodingIntegrationTest.kt

@@ -1,5 +1,5 @@
 /*
- * Copyright 2014-2024 JetBrains s.r.o and contributors. Use of this source code is governed by the Apache 2.0 license.
+ * Copyright 2014-2025 JetBrains s.r.o and contributors. Use of this source code is governed by the Apache 2.0 license.
  */
 
 package io.ktor.client.tests
@@ -18,16 +18,15 @@ private const val TEST_URL = "$TEST_SERVER/compression"
 
 class ContentEncodingIntegrationTest : ClientLoader() {
 
+    // GZipEncoder is implemented only on JVM.
     @Test
-    fun testGzipWithContentLengthWithoutPlugin() = clientTests {
+    fun testGzipWithContentLengthWithoutPlugin() = clientTests(only("jvm:*")) {
         test { client ->
             val response = client.get("$TEST_URL/gzip-with-content-length")
-            val byteContent = response.bodyAsBytes()
-
             val content = if (response.headers[HttpHeaders.ContentEncoding] == "gzip") {
-                GZipEncoder.decode(ByteReadChannel(byteContent)).readRemaining().readString()
+                GZipEncoder.decode(response.bodyAsChannel()).readRemaining().readString()
             } else {
-                byteContent.decodeToString()
+                response.bodyAsText()
             }
 
             assertEquals("Hello, world", content)