152 lines
3.5 KiB
Go
152 lines
3.5 KiB
Go
package http_test
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import (
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"net/http"
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"net/http/httptest"
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"testing"
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plugin "github.com/influxdata/telegraf/plugins/inputs/http"
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"github.com/influxdata/telegraf/plugins/parsers"
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"github.com/influxdata/telegraf/testutil"
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"github.com/stretchr/testify/require"
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)
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func TestHTTPwithJSONFormat(t *testing.T) {
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fakeServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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if r.URL.Path == "/endpoint" {
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_, _ = w.Write([]byte(simpleJSON))
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} else {
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w.WriteHeader(http.StatusNotFound)
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}
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}))
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defer fakeServer.Close()
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url := fakeServer.URL + "/endpoint"
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plugin := &plugin.HTTP{
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URLs: []string{url},
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}
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metricName := "metricName"
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p, _ := parsers.NewParser(&parsers.Config{
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DataFormat: "json",
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MetricName: "metricName",
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})
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plugin.SetParser(p)
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var acc testutil.Accumulator
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require.NoError(t, acc.GatherError(plugin.Gather))
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require.Len(t, acc.Metrics, 1)
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// basic check to see if we got the right field, value and tag
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var metric = acc.Metrics[0]
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require.Equal(t, metric.Measurement, metricName)
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require.Len(t, acc.Metrics[0].Fields, 1)
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require.Equal(t, acc.Metrics[0].Fields["a"], 1.2)
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require.Equal(t, acc.Metrics[0].Tags["url"], url)
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}
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func TestHTTPHeaders(t *testing.T) {
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header := "X-Special-Header"
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headerValue := "Special-Value"
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fakeServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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if r.URL.Path == "/endpoint" {
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if r.Header.Get(header) == headerValue {
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_, _ = w.Write([]byte(simpleJSON))
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} else {
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w.WriteHeader(http.StatusForbidden)
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}
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} else {
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w.WriteHeader(http.StatusNotFound)
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}
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}))
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defer fakeServer.Close()
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url := fakeServer.URL + "/endpoint"
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plugin := &plugin.HTTP{
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URLs: []string{url},
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Headers: map[string]string{header: headerValue},
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}
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p, _ := parsers.NewParser(&parsers.Config{
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DataFormat: "json",
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MetricName: "metricName",
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})
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plugin.SetParser(p)
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var acc testutil.Accumulator
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require.NoError(t, acc.GatherError(plugin.Gather))
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}
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func TestInvalidStatusCode(t *testing.T) {
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fakeServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(http.StatusNotFound)
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}))
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defer fakeServer.Close()
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url := fakeServer.URL + "/endpoint"
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plugin := &plugin.HTTP{
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URLs: []string{url},
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}
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metricName := "metricName"
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p, _ := parsers.NewParser(&parsers.Config{
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DataFormat: "json",
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MetricName: metricName,
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})
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plugin.SetParser(p)
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var acc testutil.Accumulator
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require.Error(t, acc.GatherError(plugin.Gather))
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}
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func TestMethod(t *testing.T) {
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fakeServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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if r.Method == "POST" {
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w.WriteHeader(http.StatusOK)
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} else {
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w.WriteHeader(http.StatusNotFound)
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}
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}))
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defer fakeServer.Close()
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plugin := &plugin.HTTP{
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URLs: []string{fakeServer.URL},
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Method: "POST",
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}
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p, _ := parsers.NewParser(&parsers.Config{
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DataFormat: "json",
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MetricName: "metricName",
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})
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plugin.SetParser(p)
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var acc testutil.Accumulator
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require.NoError(t, acc.GatherError(plugin.Gather))
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}
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func TestParserNotSet(t *testing.T) {
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fakeServer := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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if r.URL.Path == "/endpoint" {
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_, _ = w.Write([]byte(simpleJSON))
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} else {
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w.WriteHeader(http.StatusNotFound)
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}
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}))
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defer fakeServer.Close()
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url := fakeServer.URL + "/endpoint"
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plugin := &plugin.HTTP{
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URLs: []string{url},
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}
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var acc testutil.Accumulator
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require.Error(t, acc.GatherError(plugin.Gather))
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}
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const simpleJSON = `
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{
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"a": 1.2
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}
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`
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