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vendor/github.com/aws/aws-sdk-go/awstesting/performance/init.go

@@ -0,0 +1,93 @@
+// +build integration
+
+package performance
+
+import (
+	"bytes"
+	"errors"
+	"fmt"
+	"runtime"
+
+	"github.com/gucumber/gucumber"
+	"github.com/stretchr/testify/assert"
+
+	"github.com/aws/aws-sdk-go/aws"
+	"github.com/aws/aws-sdk-go/aws/awserr"
+	"github.com/aws/aws-sdk-go/awstesting/mock"
+	"github.com/aws/aws-sdk-go/service/s3"
+)
+
+func init() {
+	// Go loads all of its dependecies on compile
+	gucumber.Given(`^I have loaded my SDK and its dependencies$`, func() {
+	})
+
+	// Performance
+	gucumber.When(`^I create and discard (\d+) clients for each service$`, func(i1 int) {
+		services := gucumber.World["services"].([]func())
+		err := benchmarkTask(fmt.Sprintf("%d_create_and_discard_clients", i1), services, i1)
+		gucumber.World["error"] = err
+	})
+
+	gucumber.Then(`^I should not have leaked any resources$`, func() {
+		runtime.GC()
+		err, ok := gucumber.World["error"].(awserr.Error)
+		assert.False(gucumber.T, ok, "error returned")
+		assert.NoError(gucumber.T, err)
+	})
+
+	gucumber.And(`^I have a list of services$`, func() {
+		mapCreateClients()
+	})
+
+	gucumber.And(`^I take a snapshot of my resources$`, func() {
+		// Can't take a memory snapshot here, because gucumber does some
+		// allocation between each instruction leading to unreliable numbers
+	})
+
+	gucumber.When(`^I create a client for each service$`, func() {
+		buildAnArrayOfClients()
+	})
+
+	gucumber.And("^I execute (\\d+) command\\(s\\) on each client$", func(i1 int) {
+		clientFns := gucumber.World["clientFns"].([]func())
+		err := benchmarkTask(fmt.Sprintf("%d_commands_on_clients", i1), clientFns, i1)
+		gucumber.World["error"] = err
+	})
+
+	gucumber.And(`^I destroy all the clients$`, func() {
+		delete(gucumber.World, "clientFns")
+		runtime.GC()
+	})
+
+	gucumber.Given(`^I have a (\d+) byte file$`, func(i1 int) {
+		gucumber.World["file"] = make([]byte, i1)
+	})
+
+	gucumber.When(`^I upload the file$`, func() {
+		svc := s3.New(mock.Session)
+		memStatStart := &runtime.MemStats{}
+		runtime.ReadMemStats(memStatStart)
+		gucumber.World["start"] = memStatStart
+
+		svc.PutObjectRequest(&s3.PutObjectInput{
+			Bucket: aws.String("bucketmesilly"),
+			Key:    aws.String("testKey"),
+			Body:   bytes.NewReader(gucumber.World["file"].([]byte)),
+		})
+	})
+
+	gucumber.And(`then download the file$`, func() {
+		svc := s3.New(mock.Session)
+		svc.GetObjectRequest(&s3.GetObjectInput{
+			Bucket: aws.String("bucketmesilly"),
+			Key:    aws.String("testKey"),
+		})
+		memStatEnd := &runtime.MemStats{}
+		runtime.ReadMemStats(memStatEnd)
+		memStatStart := gucumber.World["start"].(*runtime.MemStats)
+		if memStatStart.Alloc < memStatEnd.Alloc {
+			gucumber.World["error"] = errors.New("Leaked memory")
+		}
+	})
+}