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Drop dependancy on k6 httpmultibin - now in internal package #33

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Drop dependancy on k6 httpmultibin - now in internal package #33

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57 changes: 49 additions & 8 deletions sse_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -3,21 +3,62 @@ package sse
import (
"crypto/tls"
"io"
"net"
"net/http"
"net/http/cookiejar"
"net/http/httptest"
"net/url"
"strconv"
"strings"
"testing"
"time"

"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
httpModule "go.k6.io/k6/js/modules/k6/http"
"go.k6.io/k6/js/modulestest"
"go.k6.io/k6/lib"
"go.k6.io/k6/lib/testutils/httpmultibin"
"go.k6.io/k6/lib/netext"
"go.k6.io/k6/lib/types"
"go.k6.io/k6/metrics"
"gopkg.in/guregu/null.v3"
)

type httpbin struct {
Mux *http.ServeMux
Dialer lib.DialContexter
TLSClientConfig *tls.Config
Replacer *strings.Replacer
}

func newHTTPBin(tb testing.TB) *httpbin {
mux := http.NewServeMux()
srv := httptest.NewServer(mux)
replacer := strings.NewReplacer("HTTPBIN_IP_URL", srv.URL)
dialer := netext.NewDialer(net.Dialer{
Timeout: 2 * time.Second,
KeepAlive: 10 * time.Second,
}, netext.NewResolver(net.LookupIP, 0, types.DNSfirst, types.DNSpreferIPv4))

var err error
httpURL, err := url.Parse(srv.URL)
require.NoError(tb, err)
httpIP := net.ParseIP(httpURL.Hostname())
httpDomainValue, err := types.NewHost(httpIP, "")
require.NoError(tb, err)
dialer.Hosts, err = types.NewHosts(map[string]types.Host{
"httpbin.local": *httpDomainValue,
})
require.NoError(tb, err)

return &httpbin{
Mux: mux,
Replacer: replacer,
TLSClientConfig: srv.TLS,
Dialer: dialer,
}
}

func assertSSEMetricsEmitted(t *testing.T, sampleContainers []metrics.SampleContainer, subprotocol, url string, status int, group string) { //nolint:unparam
seenEvents := false
seenRequestDuration := false
Expand Down Expand Up @@ -69,21 +110,21 @@ func assertSseCount(t *testing.T, sampleContainers []metrics.SampleContainer, ur

type testState struct {
*modulestest.Runtime
tb *httpmultibin.HTTPMultiBin
tb *httpbin
samples chan metrics.SampleContainer
}

func newTestState(tb testing.TB) testState {
httpMultiBin := httpmultibin.NewHTTPMultiBin(tb)
httpMultiBin.Mux.Handle("/sse", sseHandler(tb, false))
httpMultiBin.Mux.Handle("/sse-invalid", sseHandler(tb, true))
httpBin := newHTTPBin(tb)
httpBin.Mux.Handle("/sse", sseHandler(tb, false))
httpBin.Mux.Handle("/sse-invalid", sseHandler(tb, true))

testRuntime := modulestest.NewRuntime(tb)
registry := metrics.NewRegistry()
samples := make(chan metrics.SampleContainer, 1000)

state := &lib.State{
Dialer: httpMultiBin.Dialer,
Dialer: httpBin.Dialer,
Options: lib.Options{
SystemTags: metrics.NewSystemTagSet(
metrics.TagURL,
Expand All @@ -95,7 +136,7 @@ func newTestState(tb testing.TB) testState {
Throw: null.BoolFrom(true),
},
Samples: samples,
TLSConfig: httpMultiBin.TLSClientConfig,
TLSConfig: httpBin.TLSClientConfig,
BuiltinMetrics: metrics.RegisterBuiltinMetrics(registry),
Tags: lib.NewVUStateTags(registry.RootTagSet()),
}
Expand All @@ -106,7 +147,7 @@ func newTestState(tb testing.TB) testState {

return testState{
Runtime: testRuntime,
tb: httpMultiBin,
tb: httpBin,
samples: samples,
}
}
Expand Down
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