|
| 1 | +package http |
| 2 | + |
| 3 | +import ( |
| 4 | + "net/http" |
| 5 | + "net/http/httptest" |
| 6 | + "testing" |
| 7 | + |
| 8 | + "github.com/stretchr/testify/assert" |
| 9 | + |
| 10 | + "gopkg.in/DataDog/dd-trace-go.v1/ddtrace" |
| 11 | + "gopkg.in/DataDog/dd-trace-go.v1/ddtrace/mocktracer" |
| 12 | + "gopkg.in/DataDog/dd-trace-go.v1/ddtrace/tracer" |
| 13 | +) |
| 14 | + |
| 15 | +func TestSpanOptions(t *testing.T) { |
| 16 | + s := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { w.Write([]byte("")) })) |
| 17 | + defer s.Close() |
| 18 | + |
| 19 | + tagKey1, tagKey2 := "foo", "bar" |
| 20 | + tagValue1, tagValue2 := "bar", "baz" |
| 21 | + mt := mocktracer.Start() |
| 22 | + defer mt.Stop() |
| 23 | + rt := WrapRoundTripper(http.DefaultTransport, RTWithSpanOptions( |
| 24 | + func(cfg *ddtrace.StartSpanConfig) { |
| 25 | + cfg.Tags[tagKey1] = tagValue1 |
| 26 | + }, |
| 27 | + tracer.Tag(tagKey2, tagValue2), |
| 28 | + )) |
| 29 | + client := &http.Client{Transport: rt} |
| 30 | + |
| 31 | + resp, err := client.Get(s.URL) |
| 32 | + assert.Nil(t, err) |
| 33 | + defer resp.Body.Close() |
| 34 | + |
| 35 | + spans := mt.FinishedSpans() |
| 36 | + assert.Len(t, spans, 1) |
| 37 | + assert.Equal(t, tagValue1, spans[0].Tag(tagKey1)) |
| 38 | + assert.Equal(t, tagValue2, spans[0].Tag(tagKey2)) |
| 39 | +} |
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