69 lines
1.3 KiB
Go
69 lines
1.3 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/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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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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metrics := []struct {
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name string
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value uint64
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}{
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{"active", 585},
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{"accepts", 85340},
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{"handled", 85340},
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{"requests", 35085},
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{"reading", 4},
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{"writing", 135},
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{"waiting", 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, _, _ := net.SplitHostPort(addr.Host)
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tags := map[string]string{"server": host}
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for _, m := range metrics {
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assert.NoError(t, acc.ValidateTaggedValue(m.name, m.value, tags))
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}
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}
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