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package manners
import (
"net/http"
"strings"
"testing"
)
func TestStateTransitions(t *testing.T) {
tests := []transitionTest{
transitionTest{[]http.ConnState{http.StateNew, http.StateActive}, 1},
transitionTest{[]http.ConnState{http.StateNew, http.StateClosed}, 0},
transitionTest{[]http.ConnState{http.StateNew, http.StateActive, http.StateClosed}, 0},
transitionTest{[]http.ConnState{http.StateNew, http.StateActive, http.StateHijacked}, 0},
transitionTest{[]http.ConnState{http.StateNew, http.StateActive, http.StateIdle}, 0},
transitionTest{[]http.ConnState{http.StateNew, http.StateActive, http.StateIdle, http.StateActive}, 1},
transitionTest{[]http.ConnState{http.StateNew, http.StateActive, http.StateIdle, http.StateActive, http.StateIdle}, 0},
transitionTest{[]http.ConnState{http.StateNew, http.StateActive, http.StateIdle, http.StateActive, http.StateClosed}, 0},
transitionTest{[]http.ConnState{http.StateNew, http.StateActive, http.StateIdle, http.StateActive, http.StateIdle, http.StateClosed}, 0},
}
for _, test := range tests {
testStateTransition(t, test)
}
}
type transitionTest struct {
states []http.ConnState
expectedWgCount int
}
func testStateTransition(t *testing.T, test transitionTest) {
server := newServer()
wg := newTestWg()
server.wg = wg
startServer(t, server, nil)
conn := &fakeConn{}
for _, newState := range test.states {
server.ConnState(conn, newState)
}
server.Close()
waiting := <-wg.waitCalled
if waiting != test.expectedWgCount {
names := make([]string, len(test.states))
for i, s := range test.states {
names[i] = s.String()
}
transitions := strings.Join(names, " -> ")
t.Errorf("%s - Waitcount should be %d, got %d", transitions, test.expectedWgCount, waiting)
}
}
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