mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2024-11-23 20:37:12 +01:00
cedbbdec30
This simplifies debugging tests and makes the test code more clear and concise.
See https://itnext.io/f-tests-as-a-replacement-for-table-driven-tests-in-go-8814a8b19e9e
While at is, consistently use t.Fatal* instead of t.Error* across tests, since t.Error*
requires more boilerplate code, which can result in additional bugs inside tests.
While t.Error* allows writing logging errors for the same, this doesn't simplify fixing
broken tests most of the time.
This is a follow-up for a9525da8a4
374 lines
8.0 KiB
Go
374 lines
8.0 KiB
Go
package stepper
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import (
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"reflect"
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"testing"
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"time"
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)
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type testTimeRange []string
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func mustParseDatetime(t string) time.Time {
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result, err := time.Parse(time.RFC3339, t)
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if err != nil {
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panic(err)
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}
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return result
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}
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func TestSplitDateRange_Failure(t *testing.T) {
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f := func(startStr, endStr, granularity string) {
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t.Helper()
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start := mustParseDatetime(startStr)
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end := mustParseDatetime(endStr)
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_, err := SplitDateRange(start, end, granularity, false)
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if err == nil {
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t.Fatalf("expecting non-nil result")
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}
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}
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// validates start is before end
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f("2022-02-01T00:00:00Z", "2022-01-01T00:00:00Z", StepMonth)
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// validates granularity value
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f("2022-01-01T00:00:00Z", "2022-02-01T00:00:00Z", "non-existent-format")
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}
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func TestSplitDateRange_Success(t *testing.T) {
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f := func(startStr, endStr, granularity string, resultExpected []testTimeRange) {
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t.Helper()
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start := mustParseDatetime(startStr)
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end := mustParseDatetime(endStr)
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result, err := SplitDateRange(start, end, granularity, false)
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if err != nil {
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t.Fatalf("SplitDateRange() error: %s", err)
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}
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var testExpectedResults [][]time.Time
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for _, dr := range resultExpected {
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testExpectedResults = append(testExpectedResults, []time.Time{
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mustParseDatetime(dr[0]),
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mustParseDatetime(dr[1]),
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})
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}
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if !reflect.DeepEqual(result, testExpectedResults) {
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t.Fatalf("unexpected result\ngot\n%v\nwant\n%v", result, testExpectedResults)
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}
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}
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// month chunking
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f("2022-01-03T11:11:11Z", "2022-03-03T12:12:12Z", StepMonth, []testTimeRange{
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{
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"2022-01-03T11:11:11Z",
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"2022-01-31T23:59:59.999999999Z",
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},
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{
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"2022-02-01T00:00:00Z",
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"2022-02-28T23:59:59.999999999Z",
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},
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{
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"2022-03-01T00:00:00Z",
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"2022-03-03T12:12:12Z",
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},
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})
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// daily chunking
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f("2022-01-03T11:11:11Z", "2022-01-05T12:12:12Z", StepDay, []testTimeRange{
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{
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"2022-01-03T11:11:11Z",
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"2022-01-04T11:11:11Z",
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},
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{
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"2022-01-04T11:11:11Z",
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"2022-01-05T11:11:11Z",
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},
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{
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"2022-01-05T11:11:11Z",
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"2022-01-05T12:12:12Z",
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},
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})
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// hourly chunking
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f("2022-01-03T11:11:11Z", "2022-01-03T14:14:14Z", StepHour, []testTimeRange{
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{
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"2022-01-03T11:11:11Z",
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"2022-01-03T12:11:11Z",
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},
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{
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"2022-01-03T12:11:11Z",
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"2022-01-03T13:11:11Z",
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},
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{
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"2022-01-03T13:11:11Z",
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"2022-01-03T14:11:11Z",
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},
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{
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"2022-01-03T14:11:11Z",
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"2022-01-03T14:14:14Z",
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},
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})
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// month chunking with one day time range
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f("2022-01-03T11:11:11Z", "2022-01-04T12:12:12Z", StepMonth, []testTimeRange{
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{
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"2022-01-03T11:11:11Z",
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"2022-01-04T12:12:12Z",
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},
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})
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// month chunking with same day time range
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f("2022-01-03T11:11:11Z", "2022-01-03T12:12:12Z", StepMonth, []testTimeRange{
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{
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"2022-01-03T11:11:11Z",
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"2022-01-03T12:12:12Z",
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},
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})
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// month chunking with one month and two days range
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f("2022-01-03T11:11:11Z", "2022-02-03T00:00:00Z", StepMonth, []testTimeRange{
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{
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"2022-01-03T11:11:11Z",
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"2022-01-31T23:59:59.999999999Z",
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},
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{
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"2022-02-01T00:00:00Z",
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"2022-02-03T00:00:00Z",
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},
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})
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// week chunking with not full week
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f("2023-07-30T00:00:00Z", "2023-08-05T23:59:59.999999999Z", StepWeek, []testTimeRange{
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{
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"2023-07-30T00:00:00Z",
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"2023-08-05T23:59:59.999999999Z",
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},
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})
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// week chunking with start of the week and end of the week
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f("2023-07-30T00:00:00Z", "2023-08-06T00:00:00Z", StepWeek, []testTimeRange{
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{
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"2023-07-30T00:00:00Z",
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"2023-08-06T00:00:00Z",
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},
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})
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// week chunking with next one day week
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f("2023-07-30T00:00:00Z", "2023-08-07T01:12:00Z", StepWeek, []testTimeRange{
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{
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"2023-07-30T00:00:00Z",
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"2023-08-06T00:00:00Z",
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},
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{
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"2023-08-06T00:00:00Z",
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"2023-08-07T01:12:00Z",
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},
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})
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// week chunking with month and not full week representation
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f("2023-07-30T00:00:00Z", "2023-09-01T01:12:00Z", StepWeek, []testTimeRange{
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{
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"2023-07-30T00:00:00Z",
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"2023-08-06T00:00:00Z",
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},
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{
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"2023-08-06T00:00:00Z",
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"2023-08-13T00:00:00Z",
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},
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{
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"2023-08-13T00:00:00Z",
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"2023-08-20T00:00:00Z",
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},
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{
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"2023-08-20T00:00:00Z",
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"2023-08-27T00:00:00Z",
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},
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{
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"2023-08-27T00:00:00Z",
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"2023-09-01T01:12:00Z",
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},
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})
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}
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func TestSplitDateRange_Reverse_Failure(t *testing.T) {
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f := func(startStr, endStr, granularity string) {
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t.Helper()
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start := mustParseDatetime(startStr)
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end := mustParseDatetime(endStr)
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_, err := SplitDateRange(start, end, granularity, true)
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if err == nil {
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t.Fatalf("expecting non-nil error")
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}
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}
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// validates start is before end
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f("2022-02-01T00:00:00Z", "2022-01-01T00:00:00Z", StepMonth)
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// validates granularity value
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f("2022-01-01T00:00:00Z", "2022-02-01T00:00:00Z", "non-existent-format")
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}
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func TestSplitDateRange_Reverse_Success(t *testing.T) {
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f := func(startStr, endStr, granularity string, resultExpected []testTimeRange) {
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t.Helper()
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start := mustParseDatetime(startStr)
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end := mustParseDatetime(endStr)
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result, err := SplitDateRange(start, end, granularity, true)
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if err != nil {
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t.Fatalf("SplitDateRange() error: %s", err)
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}
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var testExpectedResults [][]time.Time
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for _, dr := range resultExpected {
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testExpectedResults = append(testExpectedResults, []time.Time{
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mustParseDatetime(dr[0]),
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mustParseDatetime(dr[1]),
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})
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}
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if !reflect.DeepEqual(result, testExpectedResults) {
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t.Fatalf("unexpected result\ngot\n%v\nwant\n%v", result, testExpectedResults)
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}
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}
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// month chunking
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f("2022-01-03T11:11:11Z", "2022-03-03T12:12:12Z", StepMonth, []testTimeRange{
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{
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"2022-03-01T00:00:00Z",
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"2022-03-03T12:12:12Z",
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},
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{
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"2022-02-01T00:00:00Z",
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"2022-02-28T23:59:59.999999999Z",
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},
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{
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"2022-01-03T11:11:11Z",
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"2022-01-31T23:59:59.999999999Z",
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},
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})
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// daily chunking
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f("2022-01-03T11:11:11Z", "2022-01-05T12:12:12Z", StepDay, []testTimeRange{
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{
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"2022-01-05T11:11:11Z",
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"2022-01-05T12:12:12Z",
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},
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{
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"2022-01-04T11:11:11Z",
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"2022-01-05T11:11:11Z",
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},
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{
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"2022-01-03T11:11:11Z",
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"2022-01-04T11:11:11Z",
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},
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})
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// hourly chunking
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f("2022-01-03T11:11:11Z", "2022-01-03T14:14:14Z", StepHour, []testTimeRange{
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{
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"2022-01-03T14:11:11Z",
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"2022-01-03T14:14:14Z",
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},
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{
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"2022-01-03T13:11:11Z",
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"2022-01-03T14:11:11Z",
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},
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{
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"2022-01-03T12:11:11Z",
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"2022-01-03T13:11:11Z",
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},
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{
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"2022-01-03T11:11:11Z",
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"2022-01-03T12:11:11Z",
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},
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})
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// month chunking with one day time range
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f("2022-01-03T11:11:11Z", "2022-01-04T12:12:12Z", StepMonth, []testTimeRange{
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{
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"2022-01-03T11:11:11Z",
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"2022-01-04T12:12:12Z",
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},
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})
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// month chunking with same day time range
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f("2022-01-03T11:11:11Z", "2022-01-03T12:12:12Z", StepMonth, []testTimeRange{
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{
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"2022-01-03T11:11:11Z",
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"2022-01-03T12:12:12Z",
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},
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})
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// month chunking with one month and two days range
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f("2022-01-03T11:11:11Z", "2022-02-03T00:00:00Z", StepMonth, []testTimeRange{
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{
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"2022-02-01T00:00:00Z",
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"2022-02-03T00:00:00Z",
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},
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{
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"2022-01-03T11:11:11Z",
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"2022-01-31T23:59:59.999999999Z",
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},
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})
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// week chunking with not full week
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f("2023-07-30T00:00:00Z", "2023-08-05T23:59:59.999999999Z", StepWeek, []testTimeRange{
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{
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"2023-07-30T00:00:00Z",
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"2023-08-05T23:59:59.999999999Z",
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},
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})
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// week chunking with start of the week and end of the week
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f("2023-07-30T00:00:00Z", "2023-08-06T00:00:00Z", StepWeek, []testTimeRange{
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{
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"2023-07-30T00:00:00Z",
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"2023-08-06T00:00:00Z",
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},
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})
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// week chunking with next one day week
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f("2023-07-30T00:00:00Z", "2023-08-07T01:12:00Z", StepWeek, []testTimeRange{
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{
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"2023-08-06T00:00:00Z",
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"2023-08-07T01:12:00Z",
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},
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{
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"2023-07-30T00:00:00Z",
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"2023-08-06T00:00:00Z",
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},
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})
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// week chunking with month and not full week representation
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f("2023-07-30T00:00:00Z", "2023-09-01T01:12:00Z", StepWeek, []testTimeRange{
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{
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"2023-08-27T00:00:00Z",
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"2023-09-01T01:12:00Z",
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},
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{
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"2023-08-20T00:00:00Z",
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"2023-08-27T00:00:00Z",
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},
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{
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"2023-08-13T00:00:00Z",
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"2023-08-20T00:00:00Z",
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},
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{
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"2023-08-06T00:00:00Z",
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"2023-08-13T00:00:00Z",
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},
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{
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"2023-07-30T00:00:00Z",
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"2023-08-06T00:00:00Z",
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},
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})
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}
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