Add test for exception logging

Author: 0marperez

tests/codegen/smoke-tests/build.gradle.kts

@@ -17,6 +17,7 @@ plugins {
 val projections = listOf(
     Projection("successService", "smoke-tests-success.smithy", "smithy.kotlin.traits#SuccessService"),
     Projection("failureService", "smoke-tests-failure.smithy", "smithy.kotlin.traits#FailureService"),
+    Projection("exceptionService", "smoke-tests-exception.smithy", "smithy.kotlin.traits#ExceptionService"),
 )
 
 configureProject()

tests/codegen/smoke-tests/src/test/kotlin/SmokeTestE2ETest.kt

@@ -20,6 +20,16 @@ class SmokeTestE2ETest {
         assertContains(smokeTestRunnerOutput, "ok FailureService FailuresTest - error expected from service")
     }
 
+    @Test
+    fun exceptionService() {
+        val smokeTestRunnerOutput = runSmokeTests("exceptionService", expectingFailure = true)
+
+        assertContains(smokeTestRunnerOutput, "not ok ExceptionService ExceptionTest - no error expected from service")
+        assertContains(smokeTestRunnerOutput, "#aws.smithy.kotlin.runtime.http.interceptors.SmokeTestsFailureException: Smoke test failed with HTTP status code: 400")
+        assertContains(smokeTestRunnerOutput, "#\tat aws.smithy.kotlin.runtime.http.interceptors.SmokeTestsInterceptor.readBeforeDeserialization(SmokeTestsInterceptor.kt:19)")
+        assertContains(smokeTestRunnerOutput, "#\tat aws.smithy.kotlin.runtime.http.interceptors.InterceptorExecutor.readBeforeDeserialization(InterceptorExecutor.kt:252)")
+    }
+
     @Test
     fun successServiceSkipTags() {
         val envVars = mapOf(SKIP_TAGS to "success")
@@ -39,14 +49,20 @@ class SmokeTestE2ETest {
     }
 }
 
-private fun runSmokeTests(service: String, envVars: Map<String, String> = emptyMap()): String {
+private fun runSmokeTests(
+    service: String,
+    envVars: Map<String, String> = emptyMap(),
+    expectingFailure: Boolean = false,
+): String {
     val sdkRootDir = System.getProperty("user.dir") + "/../../../"
-    val runner = GradleRunner.create()
+
+    val task = GradleRunner.create()
         .withProjectDir(File(sdkRootDir))
         // FIXME: Remove `-Paws.kotlin.native=false` when Kotlin Native is ready
         .withArguments("-Paws.kotlin.native=false", ":tests:codegen:smoke-tests:services:$service:smokeTest")
         .withEnvironment(envVars)
-        .build()
 
-    return runner.output
+    val buildResult = if (expectingFailure) task.buildAndFail() else task.build()
+
+    return buildResult.output
 }

tests/codegen/smoke-tests/src/test/resources/smoke-tests-exception.smithy

@@ -0,0 +1,53 @@
+$version: "2"
+namespace smithy.kotlin.traits
+
+use aws.protocols#awsJson1_0
+use aws.api#service
+use smithy.test#smokeTests
+use smithy.rules#endpointRuleSet
+
+@trait(selector: "service")
+structure failedResponseTrait { }
+
+@failedResponseTrait
+@awsJson1_0
+@service(sdkId: "Exception")
+@endpointRuleSet(
+    version: "1.0",
+    parameters: {},
+    rules: [
+        {
+            "type": "endpoint",
+            "conditions": [],
+            "endpoint": {
+                "url": "https://static.endpoint"
+            }
+        }
+    ]
+)
+service ExceptionService {
+    version: "1.0.0",
+    operations: [ TestOperation ],
+}
+
+@smokeTests(
+    [
+        {
+            id: "ExceptionTest"
+            expect: {
+                success: {}
+            }
+        }
+    ]
+)
+operation TestOperation {
+    input := {
+        bar: String
+    }
+    errors: [
+        InvalidMessageError
+    ]
+}
+
+@error("client")
+structure InvalidMessageError {}