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telegraf/plugins/inputs/logparser/grok/grok_test.go

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logparser input plugin closes #102 closes #328
2016-06-02 17:47:15 +00:00
package grok
import (
"testing"
"time"
"github.com/influxdata/telegraf"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
var benchM telegraf.Metric
func Benchmark_ParseLine_CommonLogFormat(b *testing.B) {
p := &Parser{
Patterns: []string{"%{COMMON_LOG_FORMAT}"},
}
p.Compile()
var m telegraf.Metric
for n := 0; n < b.N; n++ {
m, _ = p.ParseLine(`127.0.0.1 user-identifier frank [10/Oct/2000:13:55:36 -0700] "GET /apache_pb.gif HTTP/1.0" 200 2326`)
}
benchM = m
}
func Benchmark_ParseLine_CombinedLogFormat(b *testing.B) {
p := &Parser{
Patterns: []string{"%{COMBINED_LOG_FORMAT}"},
}
p.Compile()
var m telegraf.Metric
for n := 0; n < b.N; n++ {
m, _ = p.ParseLine(`127.0.0.1 user-identifier frank [10/Oct/2000:13:55:36 -0700] "GET /apache_pb.gif HTTP/1.0" 200 2326 "-" "Mozilla"`)
}
benchM = m
}
func Benchmark_ParseLine_CustomPattern(b *testing.B) {
p := &Parser{
Patterns: []string{"%{TEST_LOG_A}", "%{TEST_LOG_B}"},
CustomPatterns: `
DURATION %{NUMBER}[nuµm]?s
RESPONSE_CODE %{NUMBER:response_code:tag}
RESPONSE_TIME %{DURATION:response_time:duration}
TEST_LOG_A %{NUMBER:myfloat:float} %{RESPONSE_CODE} %{IPORHOST:clientip} %{RESPONSE_TIME}
`,
}
p.Compile()
var m telegraf.Metric
for n := 0; n < b.N; n++ {
m, _ = p.ParseLine(`[04/Jun/2016:12:41:45 +0100] 1.25 200 192.168.1.1 5.432µs 101`)
}
benchM = m
}
Fixup adding 'measurement' to logparser grok closes #1434
2016-07-18 11:27:46 +00:00
func TestMeasurementName(t *testing.T) {
p := &Parser{
Measurement: "my_web_log",
Patterns: []string{"%{COMMON_LOG_FORMAT}"},
}
assert.NoError(t, p.Compile())
// Parse an influxdb POST request
m, err := p.ParseLine(`127.0.0.1 user-identifier frank [10/Oct/2000:13:55:36 -0700] "GET /apache_pb.gif HTTP/1.0" 200 2326`)
require.NotNil(t, m)
assert.NoError(t, err)
assert.Equal(t,
map[string]interface{}{
"resp_bytes": int64(2326),
"auth": "frank",
"client_ip": "127.0.0.1",
"http_version": float64(1.0),
"ident": "user-identifier",
"request": "/apache_pb.gif",
},
m.Fields())
Change resp_code from field to tag in logparser closes #1479
2016-07-18 11:54:33 +00:00
assert.Equal(t, map[string]string{"verb": "GET", "resp_code": "200"}, m.Tags())
Fixup adding 'measurement' to logparser grok closes #1434
2016-07-18 11:27:46 +00:00
assert.Equal(t, "my_web_log", m.Name())
}
Removing INFLUXDB_HTTP_LOG from logparser usage/docs this log format is likely soon going to be removed from a future influxdb release, so we should not be recommending that users base any of their log parsing infra on this.
2016-08-04 15:25:35 +00:00
func TestCustomInfluxdbHttpd(t *testing.T) {
logparser input plugin closes #102 closes #328
2016-06-02 17:47:15 +00:00
p := &Parser{
Removing INFLUXDB_HTTP_LOG from logparser usage/docs this log format is likely soon going to be removed from a future influxdb release, so we should not be recommending that users base any of their log parsing infra on this.
2016-08-04 15:25:35 +00:00
Patterns: []string{`\[httpd\] %{COMBINED_LOG_FORMAT} %{UUID:uuid:drop} %{NUMBER:response_time_us:int}`},
logparser input plugin closes #102 closes #328
2016-06-02 17:47:15 +00:00
}
assert.NoError(t, p.Compile())
// Parse an influxdb POST request
m, err := p.ParseLine(`[httpd] ::1 - - [14/Jun/2016:11:33:29 +0100] "POST /write?consistency=any&db=telegraf&precision=ns&rp= HTTP/1.1" 204 0 "-" "InfluxDBClient" 6f61bc44-321b-11e6-8050-000000000000 2513`)
require.NotNil(t, m)
assert.NoError(t, err)
assert.Equal(t,
map[string]interface{}{
"resp_bytes": int64(0),
"auth": "-",
"client_ip": "::1",
"http_version": float64(1.1),
"ident": "-",
"referrer": "-",
"request": "/write?consistency=any&db=telegraf&precision=ns&rp=",
"response_time_us": int64(2513),
"agent": "InfluxDBClient",
},
m.Fields())
Change resp_code from field to tag in logparser closes #1479
2016-07-18 11:54:33 +00:00
assert.Equal(t, map[string]string{"verb": "POST", "resp_code": "204"}, m.Tags())
logparser input plugin closes #102 closes #328
2016-06-02 17:47:15 +00:00
// Parse an influxdb GET request
m, err = p.ParseLine(`[httpd] ::1 - - [14/Jun/2016:12:10:02 +0100] "GET /query?db=telegraf&q=SELECT+bytes%2Cresponse_time_us+FROM+logparser_grok+WHERE+http_method+%3D+%27GET%27+AND+response_time_us+%3E+0+AND+time+%3E+now%28%29+-+1h HTTP/1.1" 200 578 "http://localhost:8083/" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.84 Safari/537.36" 8a3806f1-3220-11e6-8006-000000000000 988`)
require.NotNil(t, m)
assert.NoError(t, err)
assert.Equal(t,
map[string]interface{}{
"resp_bytes": int64(578),
"auth": "-",
"client_ip": "::1",
"http_version": float64(1.1),
"ident": "-",
"referrer": "http://localhost:8083/",
"request": "/query?db=telegraf&q=SELECT+bytes%2Cresponse_time_us+FROM+logparser_grok+WHERE+http_method+%3D+%27GET%27+AND+response_time_us+%3E+0+AND+time+%3E+now%28%29+-+1h",
"response_time_us": int64(988),
"agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.84 Safari/537.36",
},
m.Fields())
Change resp_code from field to tag in logparser closes #1479
2016-07-18 11:54:33 +00:00
assert.Equal(t, map[string]string{"verb": "GET", "resp_code": "200"}, m.Tags())
logparser input plugin closes #102 closes #328
2016-06-02 17:47:15 +00:00
}
// common log format
// 127.0.0.1 user-identifier frank [10/Oct/2000:13:55:36 -0700] "GET /apache_pb.gif HTTP/1.0" 200 2326
func TestBuiltinCommonLogFormat(t *testing.T) {
p := &Parser{
Patterns: []string{"%{COMMON_LOG_FORMAT}"},
}
assert.NoError(t, p.Compile())
// Parse an influxdb POST request
m, err := p.ParseLine(`127.0.0.1 user-identifier frank [10/Oct/2000:13:55:36 -0700] "GET /apache_pb.gif HTTP/1.0" 200 2326`)
require.NotNil(t, m)
assert.NoError(t, err)
assert.Equal(t,
map[string]interface{}{
"resp_bytes": int64(2326),
"auth": "frank",
"client_ip": "127.0.0.1",
"http_version": float64(1.0),
"ident": "user-identifier",
"request": "/apache_pb.gif",
},
m.Fields())
Change resp_code from field to tag in logparser closes #1479
2016-07-18 11:54:33 +00:00
assert.Equal(t, map[string]string{"verb": "GET", "resp_code": "200"}, m.Tags())
logparser input plugin closes #102 closes #328
2016-06-02 17:47:15 +00:00
}
// combined log format
// 127.0.0.1 user-identifier frank [10/Oct/2000:13:55:36 -0700] "GET /apache_pb.gif HTTP/1.0" 200 2326 "-" "Mozilla"
func TestBuiltinCombinedLogFormat(t *testing.T) {
p := &Parser{
Patterns: []string{"%{COMBINED_LOG_FORMAT}"},
}
assert.NoError(t, p.Compile())
// Parse an influxdb POST request
m, err := p.ParseLine(`127.0.0.1 user-identifier frank [10/Oct/2000:13:55:36 -0700] "GET /apache_pb.gif HTTP/1.0" 200 2326 "-" "Mozilla"`)
require.NotNil(t, m)
assert.NoError(t, err)
assert.Equal(t,
map[string]interface{}{
"resp_bytes": int64(2326),
"auth": "frank",
"client_ip": "127.0.0.1",
"http_version": float64(1.0),
"ident": "user-identifier",
"request": "/apache_pb.gif",
"referrer": "-",
"agent": "Mozilla",
},
m.Fields())
Change resp_code from field to tag in logparser closes #1479
2016-07-18 11:54:33 +00:00
assert.Equal(t, map[string]string{"verb": "GET", "resp_code": "200"}, m.Tags())
logparser input plugin closes #102 closes #328
2016-06-02 17:47:15 +00:00
}
func TestCompileStringAndParse(t *testing.T) {
p := &Parser{
Internally name all patterns for log parsing flexibility closes #1436 This also fixes the bad behavior of waiting until runtime to return log parsing pattern compile errors when a pattern was simply unfound. closes #1418 Also protect against user error when the telegraf user does not have permission to open the provided file. We will now error and exit in this case, rather than silently waiting to get permission to open it.
2016-07-18 13:44:25 +00:00
Patterns: []string{"%{TEST_LOG_A}"},
logparser input plugin closes #102 closes #328
2016-06-02 17:47:15 +00:00
CustomPatterns: `
DURATION %{NUMBER}[nuµm]?s
RESPONSE_CODE %{NUMBER:response_code:tag}
RESPONSE_TIME %{DURATION:response_time:duration}
TEST_LOG_A %{NUMBER:myfloat:float} %{RESPONSE_CODE} %{IPORHOST:clientip} %{RESPONSE_TIME}
`,
}
assert.NoError(t, p.Compile())
metricA, err := p.ParseLine(`1.25 200 192.168.1.1 5.432µs`)
require.NotNil(t, metricA)
assert.NoError(t, err)
assert.Equal(t,
map[string]interface{}{
"clientip": "192.168.1.1",
"myfloat": float64(1.25),
"response_time": int64(5432),
},
metricA.Fields())
assert.Equal(t, map[string]string{"response_code": "200"}, metricA.Tags())
}
Internally name all patterns for log parsing flexibility closes #1436 This also fixes the bad behavior of waiting until runtime to return log parsing pattern compile errors when a pattern was simply unfound. closes #1418 Also protect against user error when the telegraf user does not have permission to open the provided file. We will now error and exit in this case, rather than silently waiting to get permission to open it.
2016-07-18 13:44:25 +00:00
func TestCompileErrorsOnInvalidPattern(t *testing.T) {
p := &Parser{
Patterns: []string{"%{TEST_LOG_A}", "%{TEST_LOG_B}"},
CustomPatterns: `
DURATION %{NUMBER}[nuµm]?s
RESPONSE_CODE %{NUMBER:response_code:tag}
RESPONSE_TIME %{DURATION:response_time:duration}
TEST_LOG_A %{NUMBER:myfloat:float} %{RESPONSE_CODE} %{IPORHOST:clientip} %{RESPONSE_TIME}
`,
}
assert.Error(t, p.Compile())
metricA, _ := p.ParseLine(`1.25 200 192.168.1.1 5.432µs`)
require.Nil(t, metricA)
}
func TestParsePatternsWithoutCustom(t *testing.T) {
p := &Parser{
Patterns: []string{"%{POSINT:ts:ts-epochnano} response_time=%{POSINT:response_time:int} mymetric=%{NUMBER:metric:float}"},
}
assert.NoError(t, p.Compile())
metricA, err := p.ParseLine(`1466004605359052000 response_time=20821 mymetric=10890.645`)
require.NotNil(t, metricA)
assert.NoError(t, err)
assert.Equal(t,
map[string]interface{}{
"response_time": int64(20821),
"metric": float64(10890.645),
},
metricA.Fields())
assert.Equal(t, map[string]string{}, metricA.Tags())
assert.Equal(t, time.Unix(0, 1466004605359052000), metricA.Time())
}
logparser input plugin closes #102 closes #328
2016-06-02 17:47:15 +00:00
func TestParseEpochNano(t *testing.T) {
p := &Parser{
Patterns: []string{"%{MYAPP}"},
CustomPatterns: `
MYAPP %{POSINT:ts:ts-epochnano} response_time=%{POSINT:response_time:int} mymetric=%{NUMBER:metric:float}
`,
}
assert.NoError(t, p.Compile())
metricA, err := p.ParseLine(`1466004605359052000 response_time=20821 mymetric=10890.645`)
require.NotNil(t, metricA)
assert.NoError(t, err)
assert.Equal(t,
map[string]interface{}{
"response_time": int64(20821),
"metric": float64(10890.645),
},
metricA.Fields())
assert.Equal(t, map[string]string{}, metricA.Tags())
assert.Equal(t, time.Unix(0, 1466004605359052000), metricA.Time())
}
func TestParseEpoch(t *testing.T) {
p := &Parser{
Patterns: []string{"%{MYAPP}"},
CustomPatterns: `
MYAPP %{POSINT:ts:ts-epoch} response_time=%{POSINT:response_time:int} mymetric=%{NUMBER:metric:float}
`,
}
assert.NoError(t, p.Compile())
metricA, err := p.ParseLine(`1466004605 response_time=20821 mymetric=10890.645`)
require.NotNil(t, metricA)
assert.NoError(t, err)
assert.Equal(t,
map[string]interface{}{
"response_time": int64(20821),
"metric": float64(10890.645),
},
metricA.Fields())
assert.Equal(t, map[string]string{}, metricA.Tags())
assert.Equal(t, time.Unix(1466004605, 0), metricA.Time())
}
func TestParseEpochErrors(t *testing.T) {
p := &Parser{
Patterns: []string{"%{MYAPP}"},
CustomPatterns: `
MYAPP %{WORD:ts:ts-epoch} response_time=%{POSINT:response_time:int} mymetric=%{NUMBER:metric:float}
`,
}
assert.NoError(t, p.Compile())
_, err := p.ParseLine(`foobar response_time=20821 mymetric=10890.645`)
assert.NoError(t, err)
p = &Parser{
Patterns: []string{"%{MYAPP}"},
CustomPatterns: `
MYAPP %{WORD:ts:ts-epochnano} response_time=%{POSINT:response_time:int} mymetric=%{NUMBER:metric:float}
`,
}
assert.NoError(t, p.Compile())
_, err = p.ParseLine(`foobar response_time=20821 mymetric=10890.645`)
assert.NoError(t, err)
}
Begin implementing generic timestamp logparser capability
2016-07-22 16:17:50 +00:00
func TestParseGenericTimestamp(t *testing.T) {
p := &Parser{
Patterns: []string{`\[%{HTTPDATE:ts:ts}\] response_time=%{POSINT:response_time:int} mymetric=%{NUMBER:metric:float}`},
}
assert.NoError(t, p.Compile())
metricA, err := p.ParseLine(`[09/Jun/2016:03:37:03 +0000] response_time=20821 mymetric=10890.645`)
require.NotNil(t, metricA)
assert.NoError(t, err)
assert.Equal(t,
map[string]interface{}{
"response_time": int64(20821),
"metric": float64(10890.645),
},
metricA.Fields())
assert.Equal(t, map[string]string{}, metricA.Tags())
assert.Equal(t, time.Unix(1465443423, 0).UTC(), metricA.Time().UTC())
metricB, err := p.ParseLine(`[09/Jun/2016:03:37:04 +0000] response_time=20821 mymetric=10890.645`)
require.NotNil(t, metricB)
assert.NoError(t, err)
assert.Equal(t,
map[string]interface{}{
"response_time": int64(20821),
"metric": float64(10890.645),
},
metricB.Fields())
assert.Equal(t, map[string]string{}, metricB.Tags())
assert.Equal(t, time.Unix(1465443424, 0).UTC(), metricB.Time().UTC())
}
func TestParseGenericTimestampNotFound(t *testing.T) {
p := &Parser{
Patterns: []string{`\[%{NOTSPACE:ts:ts}\] response_time=%{POSINT:response_time:int} mymetric=%{NUMBER:metric:float}`},
}
assert.NoError(t, p.Compile())
metricA, err := p.ParseLine(`[foobar] response_time=20821 mymetric=10890.645`)
require.NotNil(t, metricA)
assert.NoError(t, err)
assert.Equal(t,
map[string]interface{}{
"response_time": int64(20821),
"metric": float64(10890.645),
},
metricA.Fields())
assert.Equal(t, map[string]string{}, metricA.Tags())
}
logparser input plugin closes #102 closes #328
2016-06-02 17:47:15 +00:00
func TestCompileFileAndParse(t *testing.T) {
p := &Parser{
Patterns: []string{"%{TEST_LOG_A}", "%{TEST_LOG_B}"},
CustomPatternFiles: []string{"./testdata/test-patterns"},
}
assert.NoError(t, p.Compile())
metricA, err := p.ParseLine(`[04/Jun/2016:12:41:45 +0100] 1.25 200 192.168.1.1 5.432µs 101`)
require.NotNil(t, metricA)
assert.NoError(t, err)
assert.Equal(t,
map[string]interface{}{
"clientip": "192.168.1.1",
"myfloat": float64(1.25),
"response_time": int64(5432),
"myint": int64(101),
},
metricA.Fields())
assert.Equal(t, map[string]string{"response_code": "200"}, metricA.Tags())
assert.Equal(t,
time.Date(2016, time.June, 4, 12, 41, 45, 0, time.FixedZone("foo", 60*60)).Nanosecond(),
metricA.Time().Nanosecond())
metricB, err := p.ParseLine(`[04/06/2016--12:41:45] 1.25 mystring dropme nomodifier`)
require.NotNil(t, metricB)
assert.NoError(t, err)
assert.Equal(t,
map[string]interface{}{
"myfloat": 1.25,
"mystring": "mystring",
"nomodifier": "nomodifier",
},
metricB.Fields())
assert.Equal(t, map[string]string{}, metricB.Tags())
assert.Equal(t,
time.Date(2016, time.June, 4, 12, 41, 45, 0, time.FixedZone("foo", 60*60)).Nanosecond(),
metricB.Time().Nanosecond())
}
func TestCompileNoModifiersAndParse(t *testing.T) {
p := &Parser{
Patterns: []string{"%{TEST_LOG_C}"},
CustomPatterns: `
DURATION %{NUMBER}[nuµm]?s
TEST_LOG_C %{NUMBER:myfloat} %{NUMBER} %{IPORHOST:clientip} %{DURATION:rt}
`,
}
assert.NoError(t, p.Compile())
metricA, err := p.ParseLine(`1.25 200 192.168.1.1 5.432µs`)
require.NotNil(t, metricA)
assert.NoError(t, err)
assert.Equal(t,
map[string]interface{}{
"clientip": "192.168.1.1",
"myfloat": "1.25",
"rt": "5.432µs",
},
metricA.Fields())
assert.Equal(t, map[string]string{}, metricA.Tags())
}
func TestCompileNoNamesAndParse(t *testing.T) {
p := &Parser{
Patterns: []string{"%{TEST_LOG_C}"},
CustomPatterns: `
DURATION %{NUMBER}[nuµm]?s
TEST_LOG_C %{NUMBER} %{NUMBER} %{IPORHOST} %{DURATION}
`,
}
assert.NoError(t, p.Compile())
metricA, err := p.ParseLine(`1.25 200 192.168.1.1 5.432µs`)
require.Nil(t, metricA)
assert.NoError(t, err)
}
func TestParseNoMatch(t *testing.T) {
p := &Parser{
Patterns: []string{"%{TEST_LOG_A}", "%{TEST_LOG_B}"},
CustomPatternFiles: []string{"./testdata/test-patterns"},
}
assert.NoError(t, p.Compile())
metricA, err := p.ParseLine(`[04/Jun/2016:12:41:45 +0100] notnumber 200 192.168.1.1 5.432µs 101`)
assert.NoError(t, err)
assert.Nil(t, metricA)
}
func TestCompileErrors(t *testing.T) {
// Compile fails because there are multiple timestamps:
p := &Parser{
Patterns: []string{"%{TEST_LOG_A}", "%{TEST_LOG_B}"},
CustomPatterns: `
TEST_LOG_A %{HTTPDATE:ts1:ts-httpd} %{HTTPDATE:ts2:ts-httpd} %{NUMBER:mynum:int}
`,
}
assert.Error(t, p.Compile())
// Compile fails because file doesn't exist:
p = &Parser{
Patterns: []string{"%{TEST_LOG_A}", "%{TEST_LOG_B}"},
CustomPatternFiles: []string{"/tmp/foo/bar/baz"},
}
assert.Error(t, p.Compile())
}
func TestParseErrors(t *testing.T) {
// Parse fails because the pattern doesn't exist
p := &Parser{
Patterns: []string{"%{TEST_LOG_B}"},
CustomPatterns: `
TEST_LOG_A %{HTTPDATE:ts:ts-httpd} %{WORD:myword:int} %{}
`,
}
Internally name all patterns for log parsing flexibility closes #1436 This also fixes the bad behavior of waiting until runtime to return log parsing pattern compile errors when a pattern was simply unfound. closes #1418 Also protect against user error when the telegraf user does not have permission to open the provided file. We will now error and exit in this case, rather than silently waiting to get permission to open it.
2016-07-18 13:44:25 +00:00
assert.Error(t, p.Compile())
logparser input plugin closes #102 closes #328
2016-06-02 17:47:15 +00:00
_, err := p.ParseLine(`[04/Jun/2016:12:41:45 +0100] notnumber 200 192.168.1.1 5.432µs 101`)
assert.Error(t, err)
// Parse fails because myword is not an int
p = &Parser{
Patterns: []string{"%{TEST_LOG_A}"},
CustomPatterns: `
TEST_LOG_A %{HTTPDATE:ts:ts-httpd} %{WORD:myword:int}
`,
}
assert.NoError(t, p.Compile())
_, err = p.ParseLine(`04/Jun/2016:12:41:45 +0100 notnumber`)
assert.Error(t, err)
// Parse fails because myword is not a float
p = &Parser{
Patterns: []string{"%{TEST_LOG_A}"},
CustomPatterns: `
TEST_LOG_A %{HTTPDATE:ts:ts-httpd} %{WORD:myword:float}
`,
}
assert.NoError(t, p.Compile())
_, err = p.ParseLine(`04/Jun/2016:12:41:45 +0100 notnumber`)
assert.Error(t, err)
// Parse fails because myword is not a duration
p = &Parser{
Patterns: []string{"%{TEST_LOG_A}"},
CustomPatterns: `
TEST_LOG_A %{HTTPDATE:ts:ts-httpd} %{WORD:myword:duration}
`,
}
assert.NoError(t, p.Compile())
_, err = p.ParseLine(`04/Jun/2016:12:41:45 +0100 notnumber`)
assert.Error(t, err)
// Parse fails because the time layout is wrong.
p = &Parser{
Patterns: []string{"%{TEST_LOG_A}"},
CustomPatterns: `
TEST_LOG_A %{HTTPDATE:ts:ts-unix} %{WORD:myword:duration}
`,
}
assert.NoError(t, p.Compile())
_, err = p.ParseLine(`04/Jun/2016:12:41:45 +0100 notnumber`)
assert.Error(t, err)
}
func TestTsModder(t *testing.T) {
tsm := &tsModder{}
reftime := time.Date(2006, time.December, 1, 1, 1, 1, int(time.Millisecond), time.UTC)
modt := tsm.tsMod(reftime)
assert.Equal(t, reftime, modt)
modt = tsm.tsMod(reftime)
assert.Equal(t, reftime.Add(time.Microsecond*1), modt)
modt = tsm.tsMod(reftime)
assert.Equal(t, reftime.Add(time.Microsecond*2), modt)
modt = tsm.tsMod(reftime)
assert.Equal(t, reftime.Add(time.Microsecond*3), modt)
reftime = time.Date(2006, time.December, 1, 1, 1, 1, int(time.Microsecond), time.UTC)
modt = tsm.tsMod(reftime)
assert.Equal(t, reftime, modt)
modt = tsm.tsMod(reftime)
assert.Equal(t, reftime.Add(time.Nanosecond*1), modt)
modt = tsm.tsMod(reftime)
assert.Equal(t, reftime.Add(time.Nanosecond*2), modt)
modt = tsm.tsMod(reftime)
assert.Equal(t, reftime.Add(time.Nanosecond*3), modt)
reftime = time.Date(2006, time.December, 1, 1, 1, 1, int(time.Microsecond)*999, time.UTC)
modt = tsm.tsMod(reftime)
assert.Equal(t, reftime, modt)
modt = tsm.tsMod(reftime)
assert.Equal(t, reftime.Add(time.Nanosecond*1), modt)
modt = tsm.tsMod(reftime)
assert.Equal(t, reftime.Add(time.Nanosecond*2), modt)
modt = tsm.tsMod(reftime)
assert.Equal(t, reftime.Add(time.Nanosecond*3), modt)
reftime = time.Date(2006, time.December, 1, 1, 1, 1, 0, time.UTC)
modt = tsm.tsMod(reftime)
assert.Equal(t, reftime, modt)
modt = tsm.tsMod(reftime)
assert.Equal(t, reftime.Add(time.Millisecond*1), modt)
modt = tsm.tsMod(reftime)
assert.Equal(t, reftime.Add(time.Millisecond*2), modt)
modt = tsm.tsMod(reftime)
assert.Equal(t, reftime.Add(time.Millisecond*3), modt)
reftime = time.Time{}
modt = tsm.tsMod(reftime)
assert.Equal(t, reftime, modt)
}
func TestTsModder_Rollover(t *testing.T) {
tsm := &tsModder{}
reftime := time.Date(2006, time.December, 1, 1, 1, 1, int(time.Millisecond), time.UTC)
modt := tsm.tsMod(reftime)
for i := 1; i < 1000; i++ {
modt = tsm.tsMod(reftime)
}
assert.Equal(t, reftime.Add(time.Microsecond*999+time.Nanosecond), modt)
reftime = time.Date(2006, time.December, 1, 1, 1, 1, int(time.Microsecond), time.UTC)
modt = tsm.tsMod(reftime)
for i := 1; i < 1001; i++ {
modt = tsm.tsMod(reftime)
}
assert.Equal(t, reftime.Add(time.Nanosecond*1000), modt)
}