115 lines
2.6 KiB
Go
115 lines
2.6 KiB
Go
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package nginx
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import (
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"fmt"
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"net"
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"net/http"
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"net/http/httptest"
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"net/url"
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"testing"
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"github.com/stretchr/testify/require"
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"github.com/influxdata/telegraf/testutil"
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)
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const nginxSampleResponse = `
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Active connections: 585
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server accepts handled requests
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85340 85340 35085
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Reading: 4 Writing: 135 Waiting: 446
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`
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const tengineSampleResponse = `
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Active connections: 403
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server accepts handled requests request_time
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853 8533 3502 1546565864
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Reading: 8 Writing: 125 Waiting: 946
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`
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// Verify that nginx tags are properly parsed based on the server
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func TestNginxTags(t *testing.T) {
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urls := []string{"http://localhost/endpoint", "http://localhost:80/endpoint"}
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for _, url1 := range urls {
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addr, err := url.Parse(url1)
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require.NoError(t, err)
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tagMap := getTags(addr)
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require.Contains(t, tagMap["server"], "localhost")
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}
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}
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func TestNginxGeneratesMetrics(t *testing.T) {
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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var rsp string
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if r.URL.Path == "/stub_status" {
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rsp = nginxSampleResponse
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} else if r.URL.Path == "/tengine_status" {
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rsp = tengineSampleResponse
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} else {
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w.WriteHeader(http.StatusInternalServerError)
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t.Errorf("Cannot handle request, unknown path")
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return
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}
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if _, err := fmt.Fprintln(w, rsp); err != nil {
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w.WriteHeader(http.StatusInternalServerError)
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t.Error(err)
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return
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}
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}))
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defer ts.Close()
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n := &Nginx{
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Urls: []string{ts.URL + "/stub_status"},
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}
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nt := &Nginx{
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Urls: []string{ts.URL + "/tengine_status"},
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}
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var accNginx testutil.Accumulator
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var accTengine testutil.Accumulator
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require.NoError(t, accNginx.GatherError(n.Gather))
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require.NoError(t, accTengine.GatherError(nt.Gather))
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fieldsNginx := map[string]interface{}{
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"active": uint64(585),
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"accepts": uint64(85340),
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"handled": uint64(85340),
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"requests": uint64(35085),
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"reading": uint64(4),
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"writing": uint64(135),
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"waiting": uint64(446),
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}
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fieldsTengine := map[string]interface{}{
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"active": uint64(403),
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"accepts": uint64(853),
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"handled": uint64(8533),
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"requests": uint64(3502),
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"reading": uint64(8),
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"writing": uint64(125),
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"waiting": uint64(946),
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}
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addr, err := url.Parse(ts.URL)
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require.NoError(t, err)
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host, port, err := net.SplitHostPort(addr.Host)
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if err != nil {
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host = addr.Host
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if addr.Scheme == "http" {
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port = "80"
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} else if addr.Scheme == "https" {
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port = "443"
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} else {
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port = ""
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}
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}
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tags := map[string]string{"server": host, "port": port}
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accNginx.AssertContainsTaggedFields(t, "nginx", fieldsNginx, tags)
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accTengine.AssertContainsTaggedFields(t, "nginx", fieldsTengine, tags)
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}
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