75 lines
1.9 KiB
Go
75 lines
1.9 KiB
Go
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package negroni
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import (
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"net/http"
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"net/http/httptest"
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"reflect"
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"testing"
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)
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/* Test Helpers */
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func expect(t *testing.T, a interface{}, b interface{}) {
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if a != b {
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t.Errorf("Expected %v (type %v) - Got %v (type %v)", b, reflect.TypeOf(b), a, reflect.TypeOf(a))
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}
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}
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func refute(t *testing.T, a interface{}, b interface{}) {
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if a == b {
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t.Errorf("Did not expect %v (type %v) - Got %v (type %v)", b, reflect.TypeOf(b), a, reflect.TypeOf(a))
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}
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}
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func TestNegroniRun(t *testing.T) {
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// just test that Run doesn't bomb
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go New().Run(":3000")
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}
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func TestNegroniServeHTTP(t *testing.T) {
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result := ""
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response := httptest.NewRecorder()
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n := New()
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n.Use(HandlerFunc(func(rw http.ResponseWriter, r *http.Request, next http.HandlerFunc) {
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result += "foo"
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next(rw, r)
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result += "ban"
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}))
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n.Use(HandlerFunc(func(rw http.ResponseWriter, r *http.Request, next http.HandlerFunc) {
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result += "bar"
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next(rw, r)
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result += "baz"
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}))
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n.Use(HandlerFunc(func(rw http.ResponseWriter, r *http.Request, next http.HandlerFunc) {
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result += "bat"
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rw.WriteHeader(http.StatusBadRequest)
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}))
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n.ServeHTTP(response, (*http.Request)(nil))
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expect(t, result, "foobarbatbazban")
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expect(t, response.Code, http.StatusBadRequest)
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}
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// Ensures that a Negroni middleware chain
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// can correctly return all of its handlers.
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func TestHandlers(t *testing.T) {
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response := httptest.NewRecorder()
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n := New()
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handlers := n.Handlers()
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expect(t, 0, len(handlers))
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n.Use(HandlerFunc(func(rw http.ResponseWriter, r *http.Request, next http.HandlerFunc) {
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rw.WriteHeader(http.StatusOK)
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}))
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// Expects the length of handlers to be exactly 1
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// after adding exactly one handler to the middleware chain
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handlers = n.Handlers()
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expect(t, 1, len(handlers))
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// Ensures that the first handler that is in sequence behaves
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// exactly the same as the one that was registered earlier
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handlers[0].ServeHTTP(response, (*http.Request)(nil), nil)
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expect(t, response.Code, http.StatusOK)
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}
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