mirror of
https://github.com/grafana/grafana.git
synced 2025-01-02 12:17:01 -06:00
111 lines
3.4 KiB
Go
111 lines
3.4 KiB
Go
package httpclientprovider
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import (
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"bytes"
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"context"
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"net/http"
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"testing"
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"github.com/grafana/grafana-plugin-sdk-go/backend/httpclient"
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"github.com/grafana/grafana/pkg/infra/log"
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"github.com/grafana/grafana/pkg/infra/tracing"
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"github.com/stretchr/testify/require"
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)
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func TestTracingMiddleware(t *testing.T) {
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tracer := tracing.InitializeTracerForTest()
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t.Run("GET request that returns 200 OK should start and capture span", func(t *testing.T) {
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finalRoundTripper := httpclient.RoundTripperFunc(func(req *http.Request) (*http.Response, error) {
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return &http.Response{StatusCode: http.StatusOK, Request: req}, nil
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})
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mw := TracingMiddleware(log.New("test"), tracer)
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rt := mw.CreateMiddleware(httpclient.Options{
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Labels: map[string]string{
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"l1": "v1",
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"l2": "v2",
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},
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}, finalRoundTripper)
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require.NotNil(t, rt)
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middlewareName, ok := mw.(httpclient.MiddlewareName)
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require.True(t, ok)
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require.Equal(t, TracingMiddlewareName, middlewareName.MiddlewareName())
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ctx := context.Background()
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req, err := http.NewRequestWithContext(ctx, http.MethodGet, "http://test.com/query", nil)
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require.NoError(t, err)
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res, err := rt.RoundTrip(req)
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require.NoError(t, err)
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require.NotNil(t, res)
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if res.Body != nil {
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require.NoError(t, res.Body.Close())
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}
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_, sp := tracer.Start(ctx, "test")
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require.NotNil(t, sp)
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})
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t.Run("GET request that returns 400 Bad Request should start and capture span", func(t *testing.T) {
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finalRoundTripper := httpclient.RoundTripperFunc(func(req *http.Request) (*http.Response, error) {
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return &http.Response{StatusCode: http.StatusBadRequest, Request: req}, nil
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})
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mw := TracingMiddleware(log.New("test"), tracer)
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rt := mw.CreateMiddleware(httpclient.Options{
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Labels: map[string]string{
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"l1": "v1",
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"l2": "v2",
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},
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}, finalRoundTripper)
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require.NotNil(t, rt)
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middlewareName, ok := mw.(httpclient.MiddlewareName)
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require.True(t, ok)
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require.Equal(t, TracingMiddlewareName, middlewareName.MiddlewareName())
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ctx := context.Background()
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req, err := http.NewRequestWithContext(ctx, http.MethodGet, "http://test.com/query", nil)
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require.NoError(t, err)
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res, err := rt.RoundTrip(req)
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require.NoError(t, err)
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require.NotNil(t, res)
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if res.Body != nil {
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require.NoError(t, res.Body.Close())
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}
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_, sp := tracer.Start(res.Request.Context(), "test")
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require.NotNil(t, sp)
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})
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t.Run("POST request that returns 200 OK should start and capture span", func(t *testing.T) {
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finalRoundTripper := httpclient.RoundTripperFunc(func(req *http.Request) (*http.Response, error) {
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return &http.Response{StatusCode: http.StatusOK, Request: req, ContentLength: 10}, nil
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})
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mw := TracingMiddleware(log.New("test"), tracer)
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rt := mw.CreateMiddleware(httpclient.Options{
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Labels: map[string]string{
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"l1": "v1",
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"l2": "v2",
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},
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}, finalRoundTripper)
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require.NotNil(t, rt)
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middlewareName, ok := mw.(httpclient.MiddlewareName)
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require.True(t, ok)
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require.Equal(t, TracingMiddlewareName, middlewareName.MiddlewareName())
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ctx := context.Background()
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req, err := http.NewRequestWithContext(ctx, http.MethodPost, "http://test.com/query", bytes.NewBufferString("{ \"message\": \"ok\"}"))
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require.NoError(t, err)
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res, err := rt.RoundTrip(req)
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require.NoError(t, err)
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require.NotNil(t, res)
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if res.Body != nil {
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require.NoError(t, res.Body.Close())
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}
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_, sp := tracer.Start(res.Request.Context(), "test")
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require.NotNil(t, sp)
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})
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}
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