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348e76fc8e
Uses new httpclient package from grafana-plugin-sdk-go introduced via grafana/grafana-plugin-sdk-go#328. Replaces the GetHTTPClient, GetTransport, GetTLSConfig methods defined on DataSource model. Longer-term the goal is to migrate core HTTP backend data sources to use the SDK contracts and using httpclient.Provider for creating HTTP clients and such. Co-authored-by: Arve Knudsen <arve.knudsen@gmail.com>
90 lines
2.8 KiB
Go
90 lines
2.8 KiB
Go
package httpclientprovider
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import (
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"net/http"
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"testing"
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"github.com/grafana/grafana-aws-sdk/pkg/sigv4"
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"github.com/grafana/grafana-plugin-sdk-go/backend/httpclient"
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"github.com/stretchr/testify/require"
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)
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func TestSigV4Middleware(t *testing.T) {
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t.Run("Without sigv4 options set should return next http.RoundTripper", func(t *testing.T) {
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origSigV4Func := newSigV4Func
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newSigV4Called := false
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middlewareCalled := false
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newSigV4Func = func(config *sigv4.Config, next http.RoundTripper) http.RoundTripper {
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newSigV4Called = true
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return httpclient.RoundTripperFunc(func(r *http.Request) (*http.Response, error) {
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middlewareCalled = true
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return next.RoundTrip(r)
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})
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}
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t.Cleanup(func() {
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newSigV4Func = origSigV4Func
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})
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ctx := &testContext{}
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finalRoundTripper := ctx.createRoundTripper("finalrt")
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mw := SigV4Middleware()
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rt := mw.CreateMiddleware(httpclient.Options{}, 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, SigV4MiddlewareName, middlewareName.MiddlewareName())
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req, err := http.NewRequest(http.MethodGet, "http://", 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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require.Len(t, ctx.callChain, 1)
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require.ElementsMatch(t, []string{"finalrt"}, ctx.callChain)
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require.False(t, newSigV4Called)
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require.False(t, middlewareCalled)
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})
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t.Run("With sigv4 options set should call sigv4 http.RoundTripper", func(t *testing.T) {
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origSigV4Func := newSigV4Func
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newSigV4Called := false
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middlewareCalled := false
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newSigV4Func = func(config *sigv4.Config, next http.RoundTripper) http.RoundTripper {
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newSigV4Called = true
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return httpclient.RoundTripperFunc(func(r *http.Request) (*http.Response, error) {
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middlewareCalled = true
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return next.RoundTrip(r)
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})
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}
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t.Cleanup(func() {
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newSigV4Func = origSigV4Func
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})
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ctx := &testContext{}
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finalRoundTripper := ctx.createRoundTripper("final")
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mw := SigV4Middleware()
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rt := mw.CreateMiddleware(httpclient.Options{SigV4: &httpclient.SigV4Config{}}, 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, SigV4MiddlewareName, middlewareName.MiddlewareName())
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req, err := http.NewRequest(http.MethodGet, "http://", 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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require.Len(t, ctx.callChain, 1)
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require.ElementsMatch(t, []string{"final"}, ctx.callChain)
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require.True(t, newSigV4Called)
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require.True(t, middlewareCalled)
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})
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}
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