86 lines
1.9 KiB
Go
86 lines
1.9 KiB
Go
package write_test
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import (
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"bytes"
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"context"
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"strings"
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"testing"
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"github.com/influxdata/influx-cli/v2/internal/cmd/write"
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"github.com/stretchr/testify/require"
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)
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func TestThrottlerPassthrough(t *testing.T) {
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// Hard to test that rate-limiting actually works, so we just check
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// that no data is lost.
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in := "Hello world!"
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bps, err := write.ToBytesPerSecond("1B/s")
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require.NoError(t, err)
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throttler := write.NewThrottler(bps)
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r := throttler.Throttle(context.Background(), strings.NewReader(in))
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out := bytes.Buffer{}
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_, err = out.ReadFrom(r)
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require.NoError(t, err)
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require.Equal(t, in, out.String())
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}
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func TestToBytesPerSecond(t *testing.T) {
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var tests = []struct {
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in string
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out float64
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error string
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}{
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{
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in: "5 MB / 5 min",
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out: float64(5*1024*1024) / float64(5*60),
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},
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{
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in: "17kBs",
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out: float64(17 * 1024),
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},
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{
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in: "1B/m",
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out: float64(1) / float64(60),
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},
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{
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in: "1B/2sec",
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out: float64(1) / float64(2),
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},
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{
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in: "",
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out: 0,
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},
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{
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in: "1B/munite",
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error: `invalid rate limit "1B/munite": it does not match format COUNT(B|kB|MB)/TIME(s|sec|m|min) with / and TIME being optional`,
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},
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{
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in: ".B/s",
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error: `invalid rate limit ".B/s": '.' is not count of bytes:`,
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},
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{
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in: "1B0s",
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error: `invalid rate limit "1B0s": positive time expected but 0 supplied`,
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},
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{
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in: "1MB/42949672950s",
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error: `invalid rate limit "1MB/42949672950s": time is out of range`,
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},
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}
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for _, test := range tests {
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t.Run(test.in, func(t *testing.T) {
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bytesPerSec, err := write.ToBytesPerSecond(test.in)
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if len(test.error) == 0 {
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require.Equal(t, test.out, float64(bytesPerSec))
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require.Nil(t, err)
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} else {
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require.NotNil(t, err)
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// contains is used, since the error messages contains root cause that may evolve with go versions
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require.Contains(t, err.Error(), test.error)
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}
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})
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}
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}
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