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