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Support passing custom headers to the provider (#78)
Fixes #73
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,50 @@ | ||
| package transport | ||
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| import "net/http" | ||
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| // HeadersTransport is a http.RoundTripper that supports adding custom HTTP headers to requests. | ||
| type HeadersTransport struct { | ||
| // Headers is a set of headers to add to each request. | ||
| Headers map[string]string | ||
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| // BaseTransport is the underlying HTTP transport to use when making requests. It will default to http.DefaultTransport if nil. | ||
| BaseTransport http.RoundTripper | ||
| } | ||
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| // RoundTrip implements the RoundTripper interface. | ||
| func (t *HeadersTransport) RoundTrip(req *http.Request) (*http.Response, error) { | ||
| req = cloneRequest(req) | ||
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| for k, v := range t.Headers { | ||
| req.Header.Add(k, v) | ||
| } | ||
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| return t.transport().RoundTrip(req) | ||
| } | ||
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| // Client returns an *http.Client that makes requests that include additional headers. | ||
| func (t *HeadersTransport) Client() *http.Client { | ||
| return &http.Client{Transport: t} | ||
| } | ||
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| // transport returns the underlying HTTP transport. If none is set, http.DefaultTransport is used. | ||
| func (t *HeadersTransport) transport() http.RoundTripper { | ||
| if t.BaseTransport != nil { | ||
| return t.BaseTransport | ||
| } | ||
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| return http.DefaultTransport | ||
| } | ||
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| // cloneRequest returns a clone of the provided *http.Request. The clone is a shallow copy of the struct and its headers map. | ||
| func cloneRequest(r *http.Request) *http.Request { | ||
| r2 := new(http.Request) | ||
| *r2 = *r | ||
| r2.Header = make(http.Header, len(r.Header)) | ||
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| for k, s := range r.Header { | ||
| r2.Header[k] = append([]string(nil), s...) | ||
| } | ||
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| return r2 | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,35 @@ | ||
| package transport | ||
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| import ( | ||
| "context" | ||
| "github.com/h2non/gock" | ||
| "github.com/stretchr/testify/assert" | ||
| "github.com/tdabasinskas/go-backstage/v2/backstage" | ||
| "net/http" | ||
| "testing" | ||
| ) | ||
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| func TestHeadersTransport_HeadersAdded(t *testing.T) { | ||
| const baseURL = "http://localhost:7007" | ||
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| headers := map[string]string{ | ||
| "test-header-1": "test-value-1", | ||
| "test-header-2": "test-value-2", | ||
| } | ||
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| defer gock.Off() | ||
| gock.New(baseURL). | ||
| MatchHeaders(headers). | ||
| Reply(http.StatusOK) | ||
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| client, err := backstage.NewClient(baseURL, "default", &http.Client{ | ||
| Transport: &HeadersTransport{ | ||
| Headers: headers, | ||
| }, | ||
| }) | ||
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| assert.NoErrorf(t, err, "NewClient should not return an error") | ||
| _, _, err = client.Catalog.Entities.List(context.Background(), &backstage.ListEntityOptions{}) | ||
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| assert.NoErrorf(t, err, "ListEntities should not return an error") | ||
| } |