Add ability to retry runTest on backend (#4499)

* Add retry for server base tests * Revert "Update tomcat.jakarta to v10.1.33 (#4470)" * Increase retries * Remove flaky testGetStreamPerRequestAttributes * Mute HttpTimeout tests on native
ktorio · Nov 25, 2024 · d783338 · d783338
1 parent db760a2
commit d783338
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Showing 9 changed files with 124 additions and 85 deletions.
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
@@ -26,7 +26,7 @@ jetty-alpn-boot = "8.1.13.v20181017"
 jetty-alpn-openjdk8 = "9.4.56.v20240826"
 
 tomcat = "9.0.97"
-tomcat-jakarta = "10.1.33"
+tomcat-jakarta = "10.1.31"
 
 apache = "4.1.5"
 apache5 = "5.3.1"

diff --git a/ktor-client/ktor-client-tests/common/test/io/ktor/client/tests/HttpTimeoutTest.kt b/ktor-client/ktor-client-tests/common/test/io/ktor/client/tests/HttpTimeoutTest.kt
@@ -11,6 +11,7 @@ import io.ktor.client.request.*
 import io.ktor.client.statement.*
 import io.ktor.client.tests.utils.*
 import io.ktor.http.*
+import io.ktor.util.PlatformUtils
 import io.ktor.utils.io.*
 import io.ktor.utils.io.CancellationException
 import kotlinx.coroutines.*
@@ -169,6 +170,9 @@ class HttpTimeoutTest : ClientLoader() {
 
     @Test
     fun testGetWithSeparateReceive() = clientTests {
+//      https://youtrack.jetbrains.com/issue/KTOR-7847/Investigate-Flaky-timeout-tests-on-linuxX64
+        if (PlatformUtils.IS_NATIVE) return@clientTests
+
         config {
             install(HttpTimeout) { requestTimeoutMillis = 2000 }
         }
@@ -185,7 +189,10 @@ class HttpTimeoutTest : ClientLoader() {
     }
 
     @Test
-    fun testGetWithSeparateReceivePerRequestAttributes() = clientTests(retries = 5) {
+    fun testGetWithSeparateReceivePerRequestAttributes() = clientTests {
+//      https://youtrack.jetbrains.com/issue/KTOR-7847/Investigate-Flaky-timeout-tests-on-linuxX64
+        if (PlatformUtils.IS_NATIVE) return@clientTests
+
         config {
             install(HttpTimeout)
         }
@@ -205,6 +212,9 @@ class HttpTimeoutTest : ClientLoader() {
 
     @Test
     fun testGetRequestTimeoutWithSeparateReceive() = clientTests(listOf("Js"), retries = 5) {
+//      https://youtrack.jetbrains.com/issue/KTOR-7847/Investigate-Flaky-timeout-tests-on-linuxX64
+        if (PlatformUtils.IS_NATIVE) return@clientTests
+
         config {
             install(HttpTimeout) { requestTimeoutMillis = 2000 }
         }
@@ -222,24 +232,25 @@ class HttpTimeoutTest : ClientLoader() {
     }
 
     @Test
-    fun testGetRequestTimeoutWithSeparateReceivePerRequestAttributes() =
-        clientTests(listOf("Js", "Curl", "Darwin", "DarwinLegacy")) {
-            config {
-                install(HttpTimeout)
-            }
+    fun testGetRequestTimeoutWithSeparateReceivePerRequestAttributes() = clientTests(
+        listOf("Js", "Curl", "Darwin", "DarwinLegacy")
+    ) {
+        config {
+            install(HttpTimeout)
+        }
 
-            test { client ->
-                val response = client.prepareRequest("$TEST_URL/with-stream") {
-                    method = HttpMethod.Get
-                    parameter("delay", 10000)
+        test { client ->
+            val response = client.prepareRequest("$TEST_URL/with-stream") {
+                method = HttpMethod.Get
+                parameter("delay", 10000)
 
-                    timeout { requestTimeoutMillis = 2000 }
-                }.body<ByteReadChannel>()
-                assertFailsWith<CancellationException> {
-                    response.readUTF8Line()
-                }
+                timeout { requestTimeoutMillis = 2000 }
+            }.body<ByteReadChannel>()
+            assertFailsWith<CancellationException> {
+                response.readUTF8Line()
             }
         }
+    }
 
     @Test
     fun testGetAfterTimeout() = clientTests(listOf("Curl", "Js", "Darwin", "DarwinLegacy")) {
@@ -263,31 +274,17 @@ class HttpTimeoutTest : ClientLoader() {
     }
 
     @Test
-    fun testGetStream() = clientTests(retries = 5) {
-        config {
-            install(HttpTimeout) { requestTimeoutMillis = 1000 }
-        }
-
-        test { client ->
-            val responseBody: String = client.get("$TEST_URL/with-stream") {
-                parameter("delay", 10)
-            }.body()
+    fun testGetStream() = clientTests(retries = 10) {
+//        https://youtrack.jetbrains.com/issue/KTOR-7847/Investigate-Flaky-timeout-tests-on-linuxX64
+        if (PlatformUtils.IS_NATIVE) return@clientTests
 
-            assertEquals("Text", responseBody)
-        }
-    }
-
-    @Test
-    fun testGetStreamPerRequestAttributes() = clientTests(retries = 5) {
         config {
-            install(HttpTimeout)
+            install(HttpTimeout) { requestTimeoutMillis = 1000 }
         }
 
         test { client ->
             val responseBody: String = client.get("$TEST_URL/with-stream") {
                 parameter("delay", 10)
-
-                timeout { requestTimeoutMillis = 1000 }
             }.body()
 
             assertEquals("Text", responseBody)
@@ -328,7 +325,7 @@ class HttpTimeoutTest : ClientLoader() {
 
     // Js can't configure test timeout in browser
     @Test
-    fun testRedirect() = clientTests(listOf("js")) {
+    fun testRedirect() = clientTests(listOf("js"), retries = 5) {
         config {
             install(HttpTimeout) { requestTimeoutMillis = 10000 }
         }
@@ -439,8 +436,7 @@ class HttpTimeoutTest : ClientLoader() {
             assertFails {
                 try {
                     client.get("http://localhost:11").body<String>()
-                } catch (_: ConnectTimeoutException) {
-                    /* Ignore. */
+                } catch (_: ConnectTimeoutException) {/* Ignore. */
                 }
             }
         }

diff --git a/ktor-client/ktor-client-tests/common/test/io/ktor/client/tests/LoggingMockedTests.kt b/ktor-client/ktor-client-tests/common/test/io/ktor/client/tests/LoggingMockedTests.kt
@@ -22,7 +22,7 @@ import kotlin.test.*
 class LoggingMockedTests {
 
     @Test
-    fun testLogResponseWithException() = testWithEngine(MockEngine) {
+    fun testLogResponseWithException() = testWithEngine(MockEngine, retries = 5) {
         val testLogger = TestLogger(
             "REQUEST: ${URLBuilder.origin}",
             "METHOD: HttpMethod(value=GET)",

diff --git a/ktor-client/ktor-client-tests/common/test/io/ktor/client/tests/WebSocketTest.kt b/ktor-client/ktor-client-tests/common/test/io/ktor/client/tests/WebSocketTest.kt
@@ -376,7 +376,7 @@ class WebSocketTest : ClientLoader() {
     }
 
     @Test
-    fun testAuthenticationWithValidInitialToken() = clientTests(ENGINES_WITHOUT_WS + "Js", retries = 5) {
+    fun testAuthenticationWithValidInitialToken() = clientTests(ENGINES_WITHOUT_WS + "Js" + "Darwin", retries = 5) {
         config {
             install(WebSockets)
 

diff --git a/ktor-server/ktor-server-test-base/common/src/io/ktor/server/test/base/BaseTest.kt b/ktor-server/ktor-server-test-base/common/src/io/ktor/server/test/base/BaseTest.kt
@@ -4,13 +4,33 @@
 
 package io.ktor.server.test.base
 
-import kotlinx.coroutines.*
-import kotlinx.coroutines.test.*
-import kotlin.time.*
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.test.TestResult
+import kotlin.time.Duration
+import kotlin.time.Duration.Companion.seconds
 
 expect abstract class BaseTest() {
     open val timeout: Duration
+
+    open fun beforeTest()
+    open fun afterTest()
+
     fun collectUnhandledException(error: Throwable) // TODO: better name?
-    fun runTest(block: suspend CoroutineScope.() -> Unit): TestResult
-    fun runTest(timeout: Duration, block: suspend CoroutineScope.() -> Unit): TestResult
+    fun runTest(timeout: Duration = 60.seconds, block: suspend CoroutineScope.() -> Unit): TestResult
+}
+
+fun BaseTest.runTest(
+    retry: Int,
+    timeout: Duration = this.timeout,
+    block: suspend CoroutineScope.() -> Unit
+): TestResult {
+    lateinit var lastCause: Throwable
+    repeat(retry) {
+        try {
+            return runTest(timeout, block)
+        } catch (cause: Throwable) {
+            lastCause = cause
+        }
+    }
+    throw lastCause
 }
diff --git a/...server-test-base/jsAndWasmShared/src/io/ktor/server/test/base/BaseTest.jsAndWasmShared.kt b/...server-test-base/jsAndWasmShared/src/io/ktor/server/test/base/BaseTest.jsAndWasmShared.kt
@@ -5,13 +5,11 @@
 package io.ktor.server.test.base
 
 import io.ktor.test.dispatcher.*
-import kotlinx.coroutines.*
-import kotlinx.coroutines.test.*
-import kotlin.test.*
-import kotlin.time.*
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.test.TestResult
+import kotlin.time.Duration
 import kotlin.time.Duration.Companion.seconds
 
-@Suppress("FunctionName")
 actual abstract class BaseTest actual constructor() {
     actual open val timeout: Duration = 10.seconds
 
@@ -21,8 +19,10 @@ actual abstract class BaseTest actual constructor() {
         errors.add(error)
     }
 
-    @AfterTest
-    fun _verifyErrors() {
+    actual open fun beforeTest() {
+    }
+
+    actual open fun afterTest() {
         if (errors.isEmpty()) return
 
         val error = UnhandledErrorsException(
@@ -36,11 +36,17 @@ actual abstract class BaseTest actual constructor() {
         throw error // suppressed exceptions print wrong in idea
     }
 
-    actual fun runTest(block: suspend CoroutineScope.() -> Unit): TestResult =
-        runTestWithRealTime(timeout = timeout, testBody = block)
-
-    actual fun runTest(timeout: Duration, block: suspend CoroutineScope.() -> Unit): TestResult =
-        runTestWithRealTime(timeout = timeout, testBody = block)
+    actual fun runTest(
+        timeout: Duration,
+        block: suspend CoroutineScope.() -> Unit
+    ): TestResult = runTestWithRealTime(timeout = timeout) {
+        beforeTest()
+        try {
+            block()
+        } finally {
+            afterTest()
+        }
+    }
 }
 
 private class UnhandledErrorsException(override val message: String) : Exception()
diff --git a/ktor-server/ktor-server-test-base/jvm/src/io/ktor/server/test/base/BaseTestJvm.kt b/ktor-server/ktor-server-test-base/jvm/src/io/ktor/server/test/base/BaseTestJvm.kt
@@ -7,13 +7,15 @@ package io.ktor.server.test.base
 
 import io.ktor.junit.*
 import io.ktor.test.dispatcher.*
-import kotlinx.coroutines.*
-import kotlinx.coroutines.debug.junit5.*
-import kotlinx.coroutines.test.*
-import org.junit.jupiter.api.*
-import java.lang.reflect.*
+import kotlinx.coroutines.CoroutineName
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.debug.junit5.CoroutinesTimeout
+import kotlinx.coroutines.test.TestResult
+import org.junit.jupiter.api.BeforeEach
+import org.junit.jupiter.api.TestInfo
+import java.lang.reflect.Method
 import java.util.*
-import kotlin.time.*
+import kotlin.time.Duration
 import kotlin.time.Duration.Companion.seconds
 
 @CoroutinesTimeout(5 * 60 * 1000)
@@ -33,18 +35,26 @@ actual abstract class BaseTest actual constructor() {
         testName = method.map { it.name }.orElse(testInfo.displayName)
     }
 
-    @AfterEach
-    fun throwErrors() {
+    actual open fun afterTest() {
         errorCollector.throwErrorIfPresent()
     }
 
+    actual open fun beforeTest() {
+    }
+
     actual fun collectUnhandledException(error: Throwable) {
         errorCollector += error
     }
 
-    actual fun runTest(block: suspend CoroutineScope.() -> Unit): TestResult =
-        runTestWithRealTime(CoroutineName("test-$testName"), timeout, block)
-
-    actual fun runTest(timeout: Duration, block: suspend CoroutineScope.() -> Unit): TestResult =
-        runTestWithRealTime(CoroutineName("test-$testName"), timeout, block)
+    actual fun runTest(
+        timeout: Duration,
+        block: suspend CoroutineScope.() -> Unit
+    ): TestResult = runTestWithRealTime(CoroutineName("test-$testName"), timeout) {
+        beforeTest()
+        try {
+            block()
+        } finally {
+            afterTest()
+        }
+    }
 }
diff --git a/ktor-server/ktor-server-test-base/jvm/src/io/ktor/server/test/base/EngineTestBaseJvm.kt b/ktor-server/ktor-server-test-base/jvm/src/io/ktor/server/test/base/EngineTestBaseJvm.kt
@@ -81,8 +81,9 @@ actual abstract class EngineTestBase<
         System.getProperty("host.test.timeout.seconds")?.toLong()?.seconds ?: 4.minutes
     }
 
-    @BeforeEach
-    fun setUpBase() {
+    override fun beforeTest() {
+        super.beforeTest()
+
         val method = testMethod.orElseThrow { AssertionError("Method $testName not found") }
 
         if (method.isAnnotationPresent(Http2Only::class.java)) {
@@ -95,8 +96,7 @@ actual abstract class EngineTestBase<
         testLog.trace("Starting server on port $port (SSL $sslPort)")
     }
 
-    @AfterEach
-    fun tearDownBase() {
+    override fun afterTest() {
         try {
             allConnections.forEach { it.disconnect() }
             testLog.trace("Disposing server on port $port (SSL $sslPort)")
@@ -105,6 +105,7 @@ actual abstract class EngineTestBase<
             testJob.cancel()
             FreePorts.recycle(port)
             FreePorts.recycle(sslPort)
+            super.afterTest()
         }
     }
 

diff --git a/ktor-server/ktor-server-test-base/posix/src/io/ktor/server/test/base/BaseTestNix.kt b/ktor-server/ktor-server-test-base/posix/src/io/ktor/server/test/base/BaseTestNix.kt
@@ -7,13 +7,11 @@ package io.ktor.server.test.base
 import io.ktor.test.dispatcher.*
 import io.ktor.utils.io.*
 import io.ktor.utils.io.locks.*
-import kotlinx.coroutines.*
-import kotlinx.coroutines.test.*
-import kotlin.test.*
-import kotlin.time.*
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.test.TestResult
+import kotlin.time.Duration
 import kotlin.time.Duration.Companion.seconds
 
-@Suppress("FunctionName")
 actual abstract class BaseTest actual constructor() {
     actual open val timeout: Duration = 10.seconds
 
@@ -29,8 +27,10 @@ actual abstract class BaseTest actual constructor() {
         }
     }
 
-    @AfterTest
-    fun _verifyErrors() {
+    actual open fun beforeTest() {
+    }
+
+    actual open fun afterTest() {
         if (errors.isEmpty()) return
 
         val error = UnhandledErrorsException(
@@ -44,11 +44,17 @@ actual abstract class BaseTest actual constructor() {
         throw error // suppressed exceptions print wrong in idea
     }
 
-    actual fun runTest(block: suspend CoroutineScope.() -> Unit): TestResult =
-        runTestWithRealTime(timeout = timeout, testBody = block)
-
-    actual fun runTest(timeout: Duration, block: suspend CoroutineScope.() -> Unit): TestResult =
-        runTestWithRealTime(timeout = timeout, testBody = block)
+    actual fun runTest(
+        timeout: Duration,
+        block: suspend CoroutineScope.() -> Unit
+    ): TestResult = runTestWithRealTime(timeout = timeout) {
+        beforeTest()
+        try {
+            block()
+        } finally {
+            afterTest()
+        }
+    }
 }
 
 private class UnhandledErrorsException(override val message: String) : Exception()