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minio/xl-v1-healing_test.go

83 lines
2.3 KiB

/*
* Minio Cloud Storage, (C) 2016 Minio, Inc.
*
* 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 main
import (
"testing"
"time"
)
// validates functionality provided to find most common
// time occurrence from a list of time.
func TestCommonTime(t *testing.T) {
// List of test cases for common modTime.
testCases := []struct {
times []time.Time
time time.Time
}{
{
// 1. Tests common times when slice has varying time elements.
[]time.Time{
time.Unix(0, 1).UTC(),
time.Unix(0, 2).UTC(),
time.Unix(0, 3).UTC(),
time.Unix(0, 3).UTC(),
time.Unix(0, 2).UTC(),
time.Unix(0, 3).UTC(),
time.Unix(0, 1).UTC(),
}, time.Unix(0, 3).UTC(),
},
{
// 2. Tests common time obtained when all elements are equal.
[]time.Time{
time.Unix(0, 3).UTC(),
time.Unix(0, 3).UTC(),
time.Unix(0, 3).UTC(),
time.Unix(0, 3).UTC(),
time.Unix(0, 3).UTC(),
time.Unix(0, 3).UTC(),
time.Unix(0, 3).UTC(),
}, time.Unix(0, 3).UTC(),
},
{
// 3. Tests common time obtained when elements have a mixture
// of sentinel values.
[]time.Time{
time.Unix(0, 3).UTC(),
time.Unix(0, 3).UTC(),
time.Unix(0, 2).UTC(),
time.Unix(0, 1).UTC(),
time.Unix(0, 3).UTC(),
time.Unix(0, 4).UTC(),
time.Unix(0, 3).UTC(),
timeSentinel,
timeSentinel,
timeSentinel,
}, time.Unix(0, 3).UTC(),
},
}
// Tests all the testcases, and validates them against expected
// common modtime. Tests fail if modtime does not match.
for i, testCase := range testCases {
// Obtain a common mod time from modTimes slice.
ctime := commonTime(testCase.times)
if testCase.time != ctime {
t.Fatalf("Test case %d, expect to pass but failed. Wanted modTime: %s, got modTime: %s\n", i+1, testCase.time, ctime)
}
}
}