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|
package gcc
import (
"testing"
"time"
"github.com/stretchr/testify/assert"
)
func TestRateControllerRun(t *testing.T) {
cases := []struct {
name string
initialBitrate int
usage []usage
expected []DelayStats
}{
{
name: "empty",
initialBitrate: 100_000,
usage: []usage{},
expected: []DelayStats{},
},
{
name: "increasesMultiplicativelyBy8000",
initialBitrate: 100_000,
usage: []usage{usageNormal, usageNormal},
expected: []DelayStats{{
Usage: usageNormal,
State: stateIncrease,
TargetBitrate: 108_000,
Estimate: 0,
Threshold: 0,
}},
},
}
t0 := time.Time{}
mockNoFn := func() time.Time {
t0 = t0.Add(100 * time.Millisecond)
return t0
}
for _, tc := range cases {
tc := tc
t.Run(tc.name, func(t *testing.T) {
out := make(chan DelayStats)
dc := newRateController(mockNoFn, 100_000, 1_000, 50_000_000, func(ds DelayStats) {
out <- ds
})
in := make(chan DelayStats)
dc.onReceivedRate(100_000)
dc.updateRTT(300 * time.Millisecond)
go func() {
defer close(out)
for _, state := range tc.usage {
dc.onDelayStats(DelayStats{
Measurement: 0,
Estimate: 0,
Threshold: 0,
Usage: state,
State: 0,
TargetBitrate: 0,
})
}
close(in)
}()
received := []DelayStats{}
for ds := range out {
received = append(received, ds)
}
if len(tc.expected) > 0 {
assert.Equal(t, tc.expected[0], received[0])
}
})
}
}
|
