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26 changes: 26 additions & 0 deletions
26
src/main/kotlin/com/atlassian/performance/tools/awsinfrastructure/FailSafeRunnable.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| package com.atlassian.performance.tools.awsinfrastructure | ||
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| internal class FailSafeRunnable( | ||
| private val delegates: Iterable<Runnable> | ||
| ) : Runnable { | ||
| override fun run() { | ||
| val exceptions = delegates.mapNotNull { | ||
| try { | ||
| it.run() | ||
| null | ||
| } catch (e: Exception) { | ||
| e | ||
| } | ||
| } | ||
|
|
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| when { | ||
| exceptions.isEmpty() -> return | ||
| exceptions.size == 1 -> throw exceptions[0] | ||
| else -> { | ||
| val root = Exception("Multiple exceptions were thrown and are added suppressed into this one") | ||
| exceptions.forEach { root.addSuppressed(it) } | ||
| throw root | ||
| } | ||
| } | ||
| } | ||
| } |
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8 changes: 8 additions & 0 deletions
8
...atlassian/performance/tools/awsinfrastructure/api/loadbalancer/DiagnosableLoadBalancer.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,8 @@ | ||
| package com.atlassian.performance.tools.awsinfrastructure.api.loadbalancer | ||
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| import com.atlassian.performance.tools.aws.api.StorageLocation | ||
| import com.atlassian.performance.tools.infrastructure.api.loadbalancer.LoadBalancer | ||
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| interface DiagnosableLoadBalancer : LoadBalancer { | ||
| fun gatherEvidence(location: StorageLocation) | ||
| } |
23 changes: 23 additions & 0 deletions
23
...lassian/performance/tools/awsinfrastructure/loadbalancer/LoadBalancerMeasurementSource.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,23 @@ | ||
| package com.atlassian.performance.tools.awsinfrastructure.loadbalancer | ||
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| import com.atlassian.performance.tools.aws.api.StorageLocation | ||
| import com.atlassian.performance.tools.awsinfrastructure.api.loadbalancer.DiagnosableLoadBalancer | ||
| import com.atlassian.performance.tools.infrastructure.api.MeasurementSource | ||
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| internal class LoadBalancerMeasurementSource( | ||
| private val loadBalancer: DiagnosableLoadBalancer, | ||
| private val target: StorageLocation | ||
| ) : MeasurementSource { | ||
| internal object Extension { | ||
| fun DiagnosableLoadBalancer.asMeasurementSource( | ||
| target: StorageLocation | ||
| ) = LoadBalancerMeasurementSource( | ||
| loadBalancer = this, | ||
| target = target | ||
| ) | ||
| } | ||
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| override fun gatherResults() { | ||
| loadBalancer.gatherEvidence(target) | ||
| } | ||
| } |
67 changes: 67 additions & 0 deletions
67
src/test/kotlin/com/atlassian/performance/tools/awsinfrastructure/FailSafeRunnableTest.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| package com.atlassian.performance.tools.awsinfrastructure | ||
|
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| import org.assertj.core.api.Assertions.assertThat | ||
| import org.junit.Test | ||
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| class FailSafeRunnableTest { | ||
| @Test | ||
| fun shouldExecuteAllEvenIfFirstFails() { | ||
| var executed1 = false | ||
| var executed2 = false | ||
| var executed3 = false | ||
| val runnable = FailSafeRunnable( | ||
| listOf( | ||
| Runnable { executed1 = true; throw Exception("Fail 1") }, | ||
| Runnable { executed2 = true; throw Exception("Fail 2") }, | ||
| Runnable { executed3 = true; throw Exception("Fail 3") } | ||
| ) | ||
| ) | ||
|
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| try { | ||
| runnable.run() | ||
| } catch (e: Exception) { | ||
| // Expected and ignored, so that we can go to asserts | ||
| } | ||
|
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| assertThat(executed1).isTrue() | ||
| assertThat(executed2).isTrue() | ||
| assertThat(executed3).isTrue() | ||
| } | ||
|
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| @Test | ||
| fun shouldThrowAllFailures() { | ||
| val runnable = FailSafeRunnable( | ||
| listOf( | ||
| Runnable { throw Exception("Banana") }, | ||
| Runnable { throw Exception("Apple") }, | ||
| Runnable { throw Exception("Pear") }, | ||
| Runnable { throw Exception("Peach") } | ||
| ) | ||
| ) | ||
|
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| val exception = try { | ||
| runnable.run() | ||
| null | ||
| } catch (e: Exception) { | ||
| e | ||
| } | ||
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| val allExceptions = listOf(exception!!) + exception.suppressed.toList() | ||
| val allMessages = allExceptions.map { it.message } | ||
| assertThat(allMessages).contains("Banana", "Apple", "Pear", "Peach") | ||
| } | ||
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| @Test | ||
| fun shouldExecuteAll() { | ||
| val allIndexes = Array(20) { it } | ||
| val finishedIndexes = mutableListOf<Int>() | ||
| val runnable = FailSafeRunnable( | ||
| allIndexes.map { index -> Runnable { finishedIndexes.add(index) } } | ||
| ) | ||
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| runnable.run() | ||
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| assertThat(finishedIndexes).contains(*allIndexes) | ||
| } | ||
| } |