Apache plugin unit tests and README

plugins/apache/apache_test.go

@@ -0,0 +1,80 @@
+package apache
+
+import (
+	"fmt"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"github.com/influxdb/telegraf/testutil"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+var apacheStatus = `
+Total Accesses: 129811861
+Total kBytes: 5213701865
+CPULoad: 6.51929
+Uptime: 941553
+ReqPerSec: 137.87
+BytesPerSec: 5670240
+BytesPerReq: 41127.4
+BusyWorkers: 270
+IdleWorkers: 630
+ConnsTotal: 1451
+ConnsAsyncWriting: 32
+ConnsAsyncKeepAlive: 945
+ConnsAsyncClosing: 205
+Scoreboard: WW_____W_RW_R_W__RRR____WR_W___WW________W_WW_W_____R__R_WR__WRWR_RRRW___R_RWW__WWWRW__R_RW___RR_RW_R__W__WR_WWW______WWR__R___R_WR_W___RW______RR________________W______R__RR______W________________R____R__________________________RW_W____R_____W_R_________________R____RR__W___R_R____RW______R____W______W_W_R_R______R__R_R__________R____W_______WW____W____RR__W_____W_R_______W__________W___W____________W_______WRR_R_W____W_____R____W_WW_R____RRW__W............................................................................................................................................................................................................................................................................................................WRRWR____WR__RR_R___RWR_________W_R____RWRRR____R_R__RW_R___WWW_RW__WR_RRR____W___R____WW_R__R___RR_W_W_RRRRWR__RRWR__RRW_W_RRRW_R_RR_W__RR_RWRR_R__R___RR_RR______R__RR____R_____W_R_R_R__R__R__________W____WW_R___R_R___R_________RR__RR____RWWWW___W_R________R_R____R_W___W___R___W_WRRWW_______R__W_RW_______R________RR__R________W_______________________W_W______________RW_________WR__R___R__R_______________WR_R_________W___RW_____R____________W____......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
+`
+
+func TestHTTPInflux(t *testing.T) {
+	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(http.StatusOK)
+		fmt.Fprintln(w, apacheStatus)
+	}))
+	defer ts.Close()
+
+	a := Apache{
+		Urls: []string{ts.URL},
+	}
+
+	var acc testutil.Accumulator
+	err := a.Gather(&acc)
+	require.NoError(t, err)
+
+	testInt := []struct {
+		measurement string
+		value       float64
+	}{
+		{"TotalAccesses", 1.29811861e+08},
+		{"TotalkBytes", 5.213701865e+09},
+		{"CPULoad", 6.51929},
+		{"Uptime", 941553},
+		{"ReqPerSec", 137.87},
+		{"BytesPerSec", 5.67024e+06},
+		{"BytesPerReq", 41127.4},
+		{"BusyWorkers", 270},
+		{"IdleWorkers", 630},
+		{"ConnsTotal", 1451},
+		{"ConnsAsyncWriting", 32},
+		{"ConnsAsyncKeepAlive", 945},
+		{"ConnsAsyncClosing", 205},
+		{"scboard_waiting", 630},
+		{"scboard_starting", 0},
+		{"scboard_reading", 157},
+		{"scboard_sending", 113},
+		{"scboard_keepalive", 0},
+		{"scboard_dnslookup", 0},
+		{"scboard_closing", 0},
+		{"scboard_logging", 0},
+		{"scboard_finishing", 0},
+		{"scboard_idle_cleanup", 0},
+		{"scboard_open", 2850},
+	}
+
+	for _, test := range testInt {
+		assert.True(t, acc.CheckValue(test.measurement, test.value))
+	}
+}