featurebase/util_test.go

87 lines
2.3 KiB
Go

// Copyright 2021 Pilosa Corp.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package pilosa
// util_test.go has unit tests for utility functions from util.go
//
import (
"testing"
"time"
)
func TestGetLoopProgress(t *testing.T) {
// TODO: try to find more sneaky cases
cases := []struct {
name string
start time.Time
now time.Time
i uint
total uint
}{
{
"one minute, half done",
time.Date(1969, time.June, 9, 4, 20, 0, 0, time.UTC),
time.Date(1969, time.June, 9, 4, 21, 0, 0, time.UTC),
10,
20,
},
{
"four seconds, half done",
time.Date(1969, time.June, 9, 4, 20, 0, 0, time.UTC),
time.Date(1969, time.June, 9, 4, 20, 4, 0, time.UTC),
10,
20,
},
{
"one minute, one second, 5 μs, half done",
time.Date(1969, time.June, 9, 4, 20, 0, 0, time.UTC),
time.Date(1969, time.June, 9, 4, 21, 1, 5, time.UTC),
10,
20,
},
{
"one minute, one done",
time.Date(1969, time.June, 9, 4, 20, 0, 0, time.UTC),
time.Date(1969, time.June, 9, 4, 21, 0, 0, time.UTC),
1,
20,
},
{
"one minute, 1/5 done",
time.Date(1969, time.June, 9, 4, 20, 0, 0, time.UTC),
time.Date(1969, time.June, 9, 4, 21, 0, 0, time.UTC),
10,
50,
},
}
for _, c := range cases {
t.Run(c.name, func(t *testing.T) {
// we expect that it will be the avg time per message times
// the number of remaining messages
expected := time.Duration((float64(c.now.Sub(c.start)) / float64(c.i+1)) * float64(c.total-(c.i+1)))
expectedPct := 100 * (float64(c.i+1) / float64(c.total))
timeLeft, pctDone := GetLoopProgress(c.start, c.now, c.i, c.total)
if timeLeft != expected {
t.Errorf("Time left was incorrect, expected: %d, but got: %d", expected, timeLeft)
}
if pctDone != expectedPct {
t.Errorf("Percentage done was incorrect, expected: %f, but got: %f", expectedPct, pctDone)
}
})
}
}