traefik/middlewares/tracing/entrypoint_test.go

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package tracing
import (
"net/http"
"net/http/httptest"
"testing"
"github.com/opentracing/opentracing-go/ext"
"github.com/stretchr/testify/assert"
)
func TestEntryPointMiddlewareServeHTTP(t *testing.T) {
expectedTags := map[string]interface{}{
"span.kind": ext.SpanKindRPCServerEnum,
"http.method": "GET",
"component": "",
"http.url": "http://www.test.com",
"http.host": "www.test.com",
}
testCases := []struct {
desc string
entryPoint string
tracing *Tracing
expectedTags map[string]interface{}
expectedName string
}{
{
desc: "no truncation test",
entryPoint: "test",
tracing: &Tracing{
SpanNameLimit: 0,
tracer: &MockTracer{Span: &MockSpan{Tags: make(map[string]interface{})}},
},
expectedTags: expectedTags,
expectedName: "Entrypoint test www.test.com",
}, {
desc: "basic test",
entryPoint: "test",
tracing: &Tracing{
SpanNameLimit: 25,
tracer: &MockTracer{Span: &MockSpan{Tags: make(map[string]interface{})}},
},
expectedTags: expectedTags,
expectedName: "Entrypoint te... ww... 39b97e58",
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
e := &entryPointMiddleware{
entryPoint: test.entryPoint,
Tracing: test.tracing,
}
next := func(http.ResponseWriter, *http.Request) {
span := test.tracing.tracer.(*MockTracer).Span
actual := span.Tags
assert.Equal(t, test.expectedTags, actual)
assert.Equal(t, test.expectedName, span.OpName)
}
e.ServeHTTP(httptest.NewRecorder(), httptest.NewRequest(http.MethodGet, "http://www.test.com", nil), next)
})
}
}