package datadog import ( "encoding/json" "fmt" "net/http" "net/http/httptest" "reflect" "testing" "time" "github.com/influxdata/telegraf/testutil" "github.com/influxdata/telegraf" "github.com/stretchr/testify/assert" "github.com/stretchr/testify/require" ) var ( fakeUrl = "http://test.datadog.com" fakeApiKey = "123456" ) func fakeDatadog() *Datadog { d := NewDatadog(fakeUrl) d.Apikey = fakeApiKey return d } func TestUriOverride(t *testing.T) { ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { w.WriteHeader(http.StatusOK) json.NewEncoder(w).Encode(`{"status":"ok"}`) })) defer ts.Close() d := NewDatadog(ts.URL) d.Apikey = "123456" err := d.Connect() require.NoError(t, err) err = d.Write(testutil.MockMetrics()) require.NoError(t, err) } func TestBadStatusCode(t *testing.T) { ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { w.WriteHeader(http.StatusInternalServerError) json.NewEncoder(w).Encode(`{ 'errors': [ 'Something bad happened to the server.', 'Your query made the server very sad.' ] }`) })) defer ts.Close() d := NewDatadog(ts.URL) d.Apikey = "123456" err := d.Connect() require.NoError(t, err) err = d.Write(testutil.MockMetrics()) if err == nil { t.Errorf("error expected but none returned") } else { require.EqualError(t, fmt.Errorf("received bad status code, 500\n"), err.Error()) } } func TestAuthenticatedUrl(t *testing.T) { d := fakeDatadog() authUrl := d.authenticatedUrl() assert.EqualValues(t, fmt.Sprintf("%s?api_key=%s", fakeUrl, fakeApiKey), authUrl) } func TestBuildTags(t *testing.T) { var tagtests = []struct { ptIn map[string]string outTags []string }{ { map[string]string{"one": "two", "three": "four"}, []string{"one:two", "three:four"}, }, { map[string]string{"aaa": "bbb"}, []string{"aaa:bbb"}, }, { map[string]string{}, []string{}, }, } for _, tt := range tagtests { tags := buildTags(tt.ptIn) if !reflect.DeepEqual(tags, tt.outTags) { t.Errorf("\nexpected %+v\ngot %+v\n", tt.outTags, tags) } } } func TestBuildPoint(t *testing.T) { var tagtests = []struct { ptIn telegraf.Metric outPt Point err error }{ { testutil.TestMetric(0.0, "test1"), Point{ float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()), 0.0, }, nil, }, { testutil.TestMetric(1.0, "test2"), Point{ float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()), 1.0, }, nil, }, { testutil.TestMetric(10, "test3"), Point{ float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()), 10.0, }, nil, }, { testutil.TestMetric(int32(112345), "test4"), Point{ float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()), 112345.0, }, nil, }, { testutil.TestMetric(int64(112345), "test5"), Point{ float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()), 112345.0, }, nil, }, { testutil.TestMetric(float32(11234.5), "test6"), Point{ float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()), 11234.5, }, nil, }, { testutil.TestMetric(bool(true), "test7"), Point{ float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()), 1.0, }, nil, }, { testutil.TestMetric(bool(false), "test8"), Point{ float64(time.Date(2009, time.November, 10, 23, 0, 0, 0, time.UTC).Unix()), 0.0, }, nil, }, } for _, tt := range tagtests { pt, err := buildMetrics(tt.ptIn) if err != nil && tt.err == nil { t.Errorf("%s: unexpected error, %+v\n", tt.ptIn.Name(), err) } if tt.err != nil && err == nil { t.Errorf("%s: expected an error (%s) but none returned", tt.ptIn.Name(), tt.err.Error()) } if !reflect.DeepEqual(pt["value"], tt.outPt) && tt.err == nil { t.Errorf("%s: \nexpected %+v\ngot %+v\n", tt.ptIn.Name(), tt.outPt, pt["value"]) } } } func TestVerifyValue(t *testing.T) { var tagtests = []struct { ptIn telegraf.Metric validMetric bool }{ { testutil.TestMetric(float32(11234.5), "test1"), true, }, { testutil.TestMetric("11234.5", "test2"), false, }, } for _, tt := range tagtests { ok := verifyValue(tt.ptIn.Fields()["value"]) if tt.validMetric != ok { t.Errorf("%s: verification failed\n", tt.ptIn.Name()) } } }