go.temporal.io/server@v1.23.0/common/backoff/cron_test.go (about)

     1  // The MIT License
     2  //
     3  // Copyright (c) 2020 Temporal Technologies Inc.  All rights reserved.
     4  //
     5  // Copyright (c) 2020 Uber Technologies, Inc.
     6  //
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     8  // of this software and associated documentation files (the "Software"), to deal
     9  // in the Software without restriction, including without limitation the rights
    10  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    11  // copies of the Software, and to permit persons to whom the Software is
    12  // furnished to do so, subject to the following conditions:
    13  //
    14  // The above copyright notice and this permission notice shall be included in
    15  // all copies or substantial portions of the Software.
    16  //
    17  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    18  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    19  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    20  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    21  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    22  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    23  // THE SOFTWARE.
    24  
    25  package backoff
    26  
    27  import (
    28  	"strconv"
    29  	"testing"
    30  	"time"
    31  
    32  	"github.com/stretchr/testify/assert"
    33  )
    34  
    35  var crontests = []struct {
    36  	cron          string
    37  	scheduledTime string
    38  	now           string
    39  	result        time.Duration
    40  	err           string
    41  }{
    42  	{"0 0 31 2 *", "2018-12-17T08:00:00-08:00", "", 0, "invalid CronSchedule, no time can be found to satisfy the schedule"},
    43  	{"invalid-cron-spec", "2018-12-17T00:04:00+00:00", "2018-12-17T01:02:00+00:00", NoBackoff, "invalid CronSchedule"},
    44  
    45  	{"0 10 * * *", "2018-12-17T08:00:00-08:00", "", time.Hour * 18, ""},
    46  	{"0 10 * * *", "2018-12-18T02:00:00-08:00", "", time.Hour * 24, ""},
    47  	{"0 * * * *", "2018-12-17T08:08:00+00:00", "", time.Minute * 52, ""},
    48  	{"0 * * * *", "2018-12-17T09:00:00+00:00", "", time.Hour, ""},
    49  	{"* * * * *", "2018-12-17T08:08:18+00:00", "", time.Second * 42, ""},
    50  	{"0 * * * *", "2018-12-17T09:00:00+00:00", "", time.Minute * 60, ""},
    51  	{"0 10 * * *", "2018-12-17T08:00:00+00:00", "2018-12-20T00:00:00+00:00", time.Hour * 10, ""},
    52  	{"0 10 * * *", "2018-12-17T08:00:00+00:00", "2018-12-17T09:00:00+00:00", time.Hour, ""},
    53  	{"*/10 * * * *", "2018-12-17T00:04:00+00:00", "2018-12-17T01:02:00+00:00", time.Minute * 8, ""},
    54  	{"@every 5h", "2018-12-17T08:00:00+00:00", "2018-12-17T09:00:00+00:00", time.Hour * 4, ""},
    55  	{"@every 5h", "2018-12-17T08:00:00+00:00", "2018-12-18T00:00:00+00:00", time.Hour * 4, ""},
    56  	{"0 3 * * 0-6", "2018-12-17T08:00:00-08:00", "", time.Hour * 11, ""},
    57  	{"@every 30s", "2020-07-17T09:00:02-01:00", "2020-07-17T09:00:02-01:00", time.Second * 30, ""},
    58  	{"@every 30s", "2020-07-17T09:00:02-01:00", "2020-09-17T03:00:53-01:00", time.Second * 9, ""},
    59  	{"@every 30m", "2020-07-17T09:00:00-01:00", "2020-07-17T08:45:00-01:00", time.Minute * 15, ""},
    60  	// At 16:05 East Coast (Day light saving on)
    61  	{"CRON_TZ=America/New_York 5 16 * * *", "2021-03-14T00:00:00-04:00", "2021-03-14T15:05:00-04:00", time.Hour * 1, ""},
    62  	// At 04:05 East Coast (Day light saving off)
    63  	{"CRON_TZ=America/New_York 5 4 * * *", "2021-11-25T00:00:00-05:00", "2021-11-25T03:05:00-05:00", time.Hour * 1, ""},
    64  }
    65  
    66  func TestCron(t *testing.T) {
    67  	for idx, tt := range crontests {
    68  		t.Run(strconv.Itoa(idx), func(t *testing.T) {
    69  			start, err := time.Parse(time.RFC3339, tt.scheduledTime)
    70  			assert.NoError(t, err, "Parse start time: %v", tt.scheduledTime)
    71  			end := start
    72  			if tt.now != "" {
    73  				end, err = time.Parse(time.RFC3339, tt.now)
    74  				assert.NoError(t, err, "Parse end time: %v", tt.now)
    75  			}
    76  			err = ValidateSchedule(tt.cron)
    77  			if len(tt.err) > 0 {
    78  				assert.Error(t, err)
    79  				assert.Contains(t, err.Error(), tt.err)
    80  			} else {
    81  				assert.NoError(t, err, "Failed on cron schedule: %v", tt.cron)
    82  
    83  				backoff := GetBackoffForNextSchedule(tt.cron, start, end)
    84  				assert.Equal(t, tt.result, backoff, "The cron spec is %s and the expected result is %s", tt.cron, tt.result)
    85  			}
    86  		})
    87  	}
    88  }