telegraf/config_test.go

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package telegraf
import (
"fmt"
"io/ioutil"
"testing"
"time"
"github.com/influxdb/telegraf/plugins"
"github.com/influxdb/telegraf/plugins/kafka_consumer"
"github.com/naoina/toml"
"github.com/naoina/toml/ast"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/suite"
)
func TestConfig_fieldMatch(t *testing.T) {
assert := assert.New(t)
matchFunc := fieldMatch("testfield")
assert.True(matchFunc("testField"), "testfield should match testField")
assert.True(matchFunc("TestField"), "testfield should match TestField")
assert.True(matchFunc("TESTFIELD"), "testfield should match TESTFIELD")
assert.False(matchFunc("OtherField"), "testfield should not match OtherField")
matchFunc = fieldMatch("test_field")
assert.True(matchFunc("testField"), "test_field should match testField")
assert.True(matchFunc("TestField"), "test_field should match TestField")
assert.True(matchFunc("TESTFIELD"), "test_field should match TESTFIELD")
assert.False(matchFunc("OtherField"), "test_field should not match OtherField")
}
type subTest struct {
AField string
AnotherField int
}
type test struct {
StringField string
IntegerField int
FloatField float32
BooleanField bool
DatetimeField time.Time
ArrayField []string
TableArrayField []subTest
}
type MergeStructSuite struct {
suite.Suite
EmptyStruct *test
FullStruct *test
AnotherFullStruct *test
AllFields []string
}
func (s *MergeStructSuite) SetupSuite() {
s.AllFields = []string{"string_field", "integer_field", "float_field", "boolean_field", "date_time_field", "array_field", "table_array_field"}
}
func (s *MergeStructSuite) SetupTest() {
s.EmptyStruct = &test{
ArrayField: []string{},
TableArrayField: []subTest{},
}
s.FullStruct = &test{
StringField: "one",
IntegerField: 1,
FloatField: 1.1,
BooleanField: false,
DatetimeField: time.Date(1963, time.August, 28, 17, 0, 0, 0, time.UTC),
ArrayField: []string{"one", "two", "three"},
TableArrayField: []subTest{
subTest{
AField: "one",
AnotherField: 1,
},
subTest{
AField: "two",
AnotherField: 2,
},
},
}
s.AnotherFullStruct = &test{
StringField: "two",
IntegerField: 2,
FloatField: 2.2,
BooleanField: true,
DatetimeField: time.Date(1965, time.March, 25, 17, 0, 0, 0, time.UTC),
ArrayField: []string{"four", "five", "six"},
TableArrayField: []subTest{
subTest{
AField: "three",
AnotherField: 3,
},
subTest{
AField: "four",
AnotherField: 4,
},
},
}
}
func (s *MergeStructSuite) TestEmptyMerge() {
err := mergeStruct(s.EmptyStruct, s.FullStruct, s.AllFields)
if err != nil {
s.T().Error(err)
}
s.Equal(s.FullStruct, s.EmptyStruct, fmt.Sprintf("Full merge of %v onto an empty struct failed.", s.FullStruct))
}
func (s *MergeStructSuite) TestFullMerge() {
result := &test{
StringField: "two",
IntegerField: 2,
FloatField: 2.2,
BooleanField: true,
DatetimeField: time.Date(1965, time.March, 25, 17, 0, 0, 0, time.UTC),
ArrayField: []string{"one", "two", "three", "four", "five", "six"},
TableArrayField: []subTest{
subTest{
AField: "one",
AnotherField: 1,
},
subTest{
AField: "two",
AnotherField: 2,
},
subTest{
AField: "three",
AnotherField: 3,
},
subTest{
AField: "four",
AnotherField: 4,
},
},
}
err := mergeStruct(s.FullStruct, s.AnotherFullStruct, s.AllFields)
if err != nil {
s.T().Error(err)
}
s.Equal(result, s.FullStruct, fmt.Sprintf("Full merge of %v onto FullStruct failed.", s.AnotherFullStruct))
s.T().Log("hi")
}
func (s *MergeStructSuite) TestPartialMergeWithoutSlices() {
result := &test{
StringField: "two",
IntegerField: 1,
FloatField: 2.2,
BooleanField: false,
DatetimeField: time.Date(1965, time.March, 25, 17, 0, 0, 0, time.UTC),
ArrayField: []string{"one", "two", "three"},
TableArrayField: []subTest{
subTest{
AField: "one",
AnotherField: 1,
},
subTest{
AField: "two",
AnotherField: 2,
},
},
}
err := mergeStruct(s.FullStruct, s.AnotherFullStruct, []string{"string_field", "float_field", "date_time_field"})
if err != nil {
s.T().Error(err)
}
s.Equal(result, s.FullStruct, fmt.Sprintf("Partial merge without slices of %v onto FullStruct failed.", s.AnotherFullStruct))
}
func (s *MergeStructSuite) TestPartialMergeWithSlices() {
result := &test{
StringField: "two",
IntegerField: 1,
FloatField: 2.2,
BooleanField: false,
DatetimeField: time.Date(1965, time.March, 25, 17, 0, 0, 0, time.UTC),
ArrayField: []string{"one", "two", "three"},
TableArrayField: []subTest{
subTest{
AField: "one",
AnotherField: 1,
},
subTest{
AField: "two",
AnotherField: 2,
},
subTest{
AField: "three",
AnotherField: 3,
},
subTest{
AField: "four",
AnotherField: 4,
},
},
}
err := mergeStruct(s.FullStruct, s.AnotherFullStruct, []string{"string_field", "float_field", "date_time_field", "table_array_field"})
if err != nil {
s.T().Error(err)
}
s.Equal(result, s.FullStruct, fmt.Sprintf("Partial merge with slices of %v onto FullStruct failed.", s.AnotherFullStruct))
}
func TestConfig_mergeStruct(t *testing.T) {
suite.Run(t, new(MergeStructSuite))
}
func TestConfig_parsePlugin(t *testing.T) {
data, err := ioutil.ReadFile("./testdata/single_plugin.toml")
if err != nil {
t.Error(err)
}
tbl, err := toml.Parse(data)
if err != nil {
t.Error(err)
}
c := &Config{
plugins: make(map[string]plugins.Plugin),
pluginConfigurations: make(map[string]*ConfiguredPlugin),
pluginFieldsSet: make(map[string][]string),
pluginConfigurationFieldsSet: make(map[string][]string),
}
subtbl := tbl.Fields["kafka"].(*ast.Table)
err = c.parsePlugin("kafka", subtbl)
kafka := plugins.Plugins["kafka"]().(*kafka_consumer.Kafka)
kafka.ConsumerGroupName = "telegraf_metrics_consumers"
kafka.Topic = "topic_with_metrics"
kafka.ZookeeperPeers = []string{"test.example.com:2181"}
kafka.BatchSize = 1000
pConfig := &ConfiguredPlugin{
Name: "kafka",
Drop: []string{"other", "stuff"},
Pass: []string{"some", "strings"},
TagDrop: []TagFilter{
TagFilter{
Name: "badtag",
Filter: []string{"othertag"},
},
},
TagPass: []TagFilter{
TagFilter{
Name: "goodtag",
Filter: []string{"mytag"},
},
},
Interval: 5 * time.Second,
}
assert.Equal(t, kafka, c.plugins["kafka"], "Testdata did not produce a correct kafka struct.")
assert.Equal(t, pConfig, c.pluginConfigurations["kafka"], "Testdata did not produce correct config metadata.")
}