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load_tester_test.go
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load_tester_test.go
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package main
import (
"fmt"
"log"
"net/http"
"net/http/httptest"
"testing"
)
func TestCreateRequestJobs(t *testing.T) {
type args struct {
reqPool chan *http.Request
url string
totalReq int
}
tests := []struct {
name string
args args
expected int
}{
{
name: "Test Request Pool of 100",
args: args{
reqPool: make(chan *http.Request, 100),
url: "http://localhost:12345",
totalReq: 100,
},
expected: 100,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
createRequestJobs(tt.args.reqPool, tt.args.url, tt.args.totalReq)
})
if len(tt.args.reqPool) != tt.expected {
t.Fatalf("createRequestJobs did not create a request pool of %d.\n"+
"Expected: %d Actual: %d", tt.expected, tt.args.totalReq, len(tt.args.reqPool))
}
}
}
func TestWorker(t *testing.T) {
type args struct {
requestChannel <-chan *http.Request
responseChannel chan *Response
}
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusOK)
_, err := fmt.Fprintln(w, "Hello, client")
if err != nil {
println("Could not write response from httptest server")
log.Fatal(err.Error())
}
}))
defer server.Close()
client = http.DefaultClient
reqChannelWithSampleReq := make(chan *http.Request, 10)
createRequestJobs(reqChannelWithSampleReq, server.URL, 10)
tests := []struct {
name string
args args
}{
{
name: "Test worker with 10 request jobs",
args: args{
requestChannel: reqChannelWithSampleReq,
responseChannel: make(chan *Response, 10),
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
worker(tt.args.requestChannel, tt.args.responseChannel)
})
if len(tt.args.responseChannel) != 10 {
t.Fatalf("Not enough responses received in response channel."+"\n"+
"Expected: %d, Actual: %d", 10, len(tt.args.responseChannel))
}
// TODO: 10 should be a constant declared somewhere
for i := 0; i < 10; i++ {
res := <-tt.args.responseChannel
if res.response.StatusCode != 200 || res.traceInfo.total <= 0 {
t.Fatalf("Did not get expected response.")
}
}
}
}
func TestStartRequestWorkers(t *testing.T) {
type args struct {
requestChannel <-chan *http.Request
responseChannel chan *Response
}
tests := []struct {
name string
args args
}{
{
name: "Test worker with 10 request jobs",
args: args{
requestChannel: make(chan *http.Request, 10),
responseChannel: make(chan *Response, 10),
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
startRequestWorkers(tt.args.requestChannel, tt.args.responseChannel, 2)
})
if workers != 2 {
t.Fatalf("Did not start enough workers")
}
}
}
func TestEvaluateResponses(t *testing.T) {
type args struct {
resPool chan *Response
}
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(http.StatusOK)
_, err := fmt.Fprintln(w, "Hello, client")
if err != nil {
println("Could not write response from httptest server")
log.Fatal(err.Error())
}
}))
defer server.Close()
client = http.DefaultClient
TotalReq = 10
reqChannelWithSampleReq := make(chan *http.Request, TotalReq)
createRequestJobs(reqChannelWithSampleReq, server.URL, TotalReq)
tests := []struct {
name string
args args
expected int
}{
{
name: "Test evaluateResponses with 10 responses",
args: args{
resPool: make(chan *Response, TotalReq),
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
startRequestWorkers(reqChannelWithSampleReq, tt.args.resPool, TotalReq)
evaluateResponses(tt.args.resPool)
})
if results[succeeded] != fmt.Sprint(TotalReq) && results[failed] != fmt.Sprint(0) {
t.Fatal("Not enough requests passed")
}
}
}