2019-11-02 13:25:10 +00:00
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package watch
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import (
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"fmt"
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"net/http"
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"net/http/httptest"
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"testing"
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"time"
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)
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var actions = []string{
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`{"type": "create", "object":{"foo": "bar"}}`,
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`{"type": "delete", INVALID}`,
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`{"type": "update", "object":{"foo": {"foo": "bar"}}}`,
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`{"type": "delete", "object":null}`,
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}
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func TestBodyWatcher(t *testing.T) {
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// set up server with handler to flush strings from ch.
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ch := make(chan string)
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ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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flusher, ok := w.(http.Flusher)
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if !ok {
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t.Fatal("expected ResponseWriter to be a flusher")
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}
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fmt.Fprintf(w, "\n")
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flusher.Flush()
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for v := range ch {
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fmt.Fprintf(w, "%s\n", v)
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flusher.Flush()
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time.Sleep(10 * time.Millisecond)
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}
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}))
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defer ts.Close()
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req, err := http.NewRequest("GET", ts.URL, nil)
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if err != nil {
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2019-11-08 15:57:32 +00:00
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t.Fatalf("failed to create new request: %v", err)
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2019-11-02 13:25:10 +00:00
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}
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// setup body watcher
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w, err := NewBodyWatcher(req, http.DefaultClient)
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if err != nil {
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2019-11-08 15:57:32 +00:00
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t.Fatalf("failed to create new BodyWatcher %v", err)
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2019-11-02 13:25:10 +00:00
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}
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// send action strings in, and expect result back
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ch <- actions[0]
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if r := <-w.ResultChan(); r.Type != "create" {
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t.Fatalf("expected result to be create")
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}
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ch <- actions[1] // should be ignored as its invalid json
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ch <- actions[2]
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if r := <-w.ResultChan(); r.Type != "update" {
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t.Fatalf("expected result to be update")
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}
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ch <- actions[3]
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if r := <-w.ResultChan(); r.Type != "delete" {
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t.Fatalf("expected result to be delete")
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}
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// stop should clean up all channels.
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w.Stop()
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close(ch)
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}
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