87 lines
2.3 KiB
Go
87 lines
2.3 KiB
Go
/*
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Copyright 2023 The Dapr Authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implieout.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package wasm
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import (
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"compress/gzip"
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"context"
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"net/http"
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"net/http/httptest"
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"net/url"
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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)
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var wasmMagicNumber = []byte{0x00, 0x61, 0x73, 0x6d}
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func TestWasmHTTPFetch(t *testing.T) {
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wasmBinary := wasmMagicNumber
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wasmBinary = append(wasmBinary, 0x00, 0x00, 0x00, 0x00)
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cases := []struct {
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name string
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handler http.HandlerFunc
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expectedError string
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}{
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{
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name: "plain wasm binary",
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handler: func(w http.ResponseWriter, r *http.Request) {
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w.Write(wasmBinary)
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},
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},
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// Compressed payloads are handled automatically by http.Client.
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{
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name: "compressed payload",
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handler: func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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w.Header().Set("Content-Encoding", "gzip")
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gw := gzip.NewWriter(w)
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defer gw.Close()
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gw.Write(wasmBinary)
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},
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},
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{
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name: "http error",
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handler: func(w http.ResponseWriter, r *http.Request) {
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w.WriteHeader(http.StatusInternalServerError)
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},
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expectedError: "received 500 status code",
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},
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}
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for _, proto := range []string{"http", "https"} {
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t.Run(proto, func(t *testing.T) {
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for _, tc := range cases {
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t.Run(tc.name, func(t *testing.T) {
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ts := httptest.NewServer(tc.handler)
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defer ts.Close()
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c := newHTTPCLient(http.DefaultTransport)
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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parse, err := url.Parse(ts.URL)
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require.NoError(t, err)
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_, err = c.get(ctx, parse)
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if tc.expectedError != "" {
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require.ErrorContains(t, err, tc.expectedError)
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return
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}
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require.NoError(t, err, "Wasm download got an unexpected error: %v", err)
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})
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}
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})
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}
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}
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