telegraf/plugins/parsers/value/parser_test.go

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package value
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestParseValidValues(t *testing.T) {
parser := ValueParser{
MetricName: "value_test",
DataType: "integer",
}
metrics, err := parser.Parse([]byte("55"))
assert.NoError(t, err)
assert.Len(t, metrics, 1)
assert.Equal(t, "value_test", metrics[0].Name())
assert.Equal(t, map[string]interface{}{
"value": int64(55),
}, metrics[0].Fields())
assert.Equal(t, map[string]string{}, metrics[0].Tags())
parser = ValueParser{
MetricName: "value_test",
DataType: "float",
}
metrics, err = parser.Parse([]byte("64"))
assert.NoError(t, err)
assert.Len(t, metrics, 1)
assert.Equal(t, "value_test", metrics[0].Name())
assert.Equal(t, map[string]interface{}{
"value": float64(64),
}, metrics[0].Fields())
assert.Equal(t, map[string]string{}, metrics[0].Tags())
parser = ValueParser{
MetricName: "value_test",
DataType: "string",
}
metrics, err = parser.Parse([]byte("foobar"))
assert.NoError(t, err)
assert.Len(t, metrics, 1)
assert.Equal(t, "value_test", metrics[0].Name())
assert.Equal(t, map[string]interface{}{
"value": "foobar",
}, metrics[0].Fields())
assert.Equal(t, map[string]string{}, metrics[0].Tags())
parser = ValueParser{
MetricName: "value_test",
DataType: "boolean",
}
metrics, err = parser.Parse([]byte("true"))
assert.NoError(t, err)
assert.Len(t, metrics, 1)
assert.Equal(t, "value_test", metrics[0].Name())
assert.Equal(t, map[string]interface{}{
"value": true,
}, metrics[0].Fields())
assert.Equal(t, map[string]string{}, metrics[0].Tags())
}
func TestParseMultipleValues(t *testing.T) {
parser := ValueParser{
MetricName: "value_test",
DataType: "integer",
}
metrics, err := parser.Parse([]byte(`55
45
223
12
999
`))
assert.NoError(t, err)
assert.Len(t, metrics, 1)
assert.Equal(t, "value_test", metrics[0].Name())
assert.Equal(t, map[string]interface{}{
"value": int64(999),
}, metrics[0].Fields())
assert.Equal(t, map[string]string{}, metrics[0].Tags())
}
func TestParseLineValidValues(t *testing.T) {
parser := ValueParser{
MetricName: "value_test",
DataType: "integer",
}
metric, err := parser.ParseLine("55")
assert.NoError(t, err)
assert.Equal(t, "value_test", metric.Name())
assert.Equal(t, map[string]interface{}{
"value": int64(55),
}, metric.Fields())
assert.Equal(t, map[string]string{}, metric.Tags())
parser = ValueParser{
MetricName: "value_test",
DataType: "float",
}
metric, err = parser.ParseLine("64")
assert.NoError(t, err)
assert.Equal(t, "value_test", metric.Name())
assert.Equal(t, map[string]interface{}{
"value": float64(64),
}, metric.Fields())
assert.Equal(t, map[string]string{}, metric.Tags())
parser = ValueParser{
MetricName: "value_test",
DataType: "string",
}
metric, err = parser.ParseLine("foobar")
assert.NoError(t, err)
assert.Equal(t, "value_test", metric.Name())
assert.Equal(t, map[string]interface{}{
"value": "foobar",
}, metric.Fields())
assert.Equal(t, map[string]string{}, metric.Tags())
parser = ValueParser{
MetricName: "value_test",
DataType: "boolean",
}
metric, err = parser.ParseLine("true")
assert.NoError(t, err)
assert.Equal(t, "value_test", metric.Name())
assert.Equal(t, map[string]interface{}{
"value": true,
}, metric.Fields())
assert.Equal(t, map[string]string{}, metric.Tags())
}
func TestParseInvalidValues(t *testing.T) {
parser := ValueParser{
MetricName: "value_test",
DataType: "integer",
}
metrics, err := parser.Parse([]byte("55.0"))
assert.Error(t, err)
assert.Len(t, metrics, 0)
parser = ValueParser{
MetricName: "value_test",
DataType: "float",
}
metrics, err = parser.Parse([]byte("foobar"))
assert.Error(t, err)
assert.Len(t, metrics, 0)
parser = ValueParser{
MetricName: "value_test",
DataType: "boolean",
}
metrics, err = parser.Parse([]byte("213"))
assert.Error(t, err)
assert.Len(t, metrics, 0)
}
func TestParseLineInvalidValues(t *testing.T) {
parser := ValueParser{
MetricName: "value_test",
DataType: "integer",
}
_, err := parser.ParseLine("55.0")
assert.Error(t, err)
parser = ValueParser{
MetricName: "value_test",
DataType: "float",
}
_, err = parser.ParseLine("foobar")
assert.Error(t, err)
parser = ValueParser{
MetricName: "value_test",
DataType: "boolean",
}
_, err = parser.ParseLine("213")
assert.Error(t, err)
}
func TestParseValidValuesDefaultTags(t *testing.T) {
parser := ValueParser{
MetricName: "value_test",
DataType: "integer",
}
parser.SetDefaultTags(map[string]string{"test": "tag"})
metrics, err := parser.Parse([]byte("55"))
assert.NoError(t, err)
assert.Len(t, metrics, 1)
assert.Equal(t, "value_test", metrics[0].Name())
assert.Equal(t, map[string]interface{}{
"value": int64(55),
}, metrics[0].Fields())
assert.Equal(t, map[string]string{"test": "tag"}, metrics[0].Tags())
parser = ValueParser{
MetricName: "value_test",
DataType: "float",
}
parser.SetDefaultTags(map[string]string{"test": "tag"})
metrics, err = parser.Parse([]byte("64"))
assert.NoError(t, err)
assert.Len(t, metrics, 1)
assert.Equal(t, "value_test", metrics[0].Name())
assert.Equal(t, map[string]interface{}{
"value": float64(64),
}, metrics[0].Fields())
assert.Equal(t, map[string]string{"test": "tag"}, metrics[0].Tags())
parser = ValueParser{
MetricName: "value_test",
DataType: "string",
}
parser.SetDefaultTags(map[string]string{"test": "tag"})
metrics, err = parser.Parse([]byte("foobar"))
assert.NoError(t, err)
assert.Len(t, metrics, 1)
assert.Equal(t, "value_test", metrics[0].Name())
assert.Equal(t, map[string]interface{}{
"value": "foobar",
}, metrics[0].Fields())
assert.Equal(t, map[string]string{"test": "tag"}, metrics[0].Tags())
parser = ValueParser{
MetricName: "value_test",
DataType: "boolean",
}
parser.SetDefaultTags(map[string]string{"test": "tag"})
metrics, err = parser.Parse([]byte("true"))
assert.NoError(t, err)
assert.Len(t, metrics, 1)
assert.Equal(t, "value_test", metrics[0].Name())
assert.Equal(t, map[string]interface{}{
"value": true,
}, metrics[0].Fields())
assert.Equal(t, map[string]string{"test": "tag"}, metrics[0].Tags())
}
func TestParseValuesWithNullCharacter(t *testing.T) {
parser := ValueParser{
MetricName: "value_test",
DataType: "integer",
}
metrics, err := parser.Parse([]byte("55\x00"))
assert.NoError(t, err)
assert.Len(t, metrics, 1)
assert.Equal(t, "value_test", metrics[0].Name())
assert.Equal(t, map[string]interface{}{
"value": int64(55),
}, metrics[0].Fields())
assert.Equal(t, map[string]string{}, metrics[0].Tags())
}