86 lines
1.7 KiB
Go
86 lines
1.7 KiB
Go
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/influxdb/telegraf/testutil"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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const sampleResponse = `
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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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// 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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var addr *url.URL
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for _, url1 := range urls {
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addr, _ = url.Parse(url1)
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tagMap := getTags(addr)
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assert.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 = sampleResponse
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} else {
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panic("Cannot handle request")
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}
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fmt.Fprintln(w, rsp)
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}))
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defer ts.Close()
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n := &Nginx{
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Urls: []string{fmt.Sprintf("%s/stub_status", ts.URL)},
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}
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var acc testutil.Accumulator
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err := n.Gather(&acc)
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require.NoError(t, err)
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fields := 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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addr, err := url.Parse(ts.URL)
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if err != nil {
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panic(err)
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}
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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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acc.AssertContainsTaggedFields(t, "nginx", fields, tags)
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}
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