// NewDatumValue creates new datapoint value referenced from a value of the datum protobuf
func NewDatumValue(val *com_signalfx_metrics_protobuf.Datum) datapoint.Value {
if val.DoubleValue != nil {
return datapoint.NewFloatValue(val.GetDoubleValue())
}
if val.IntValue != nil {
return datapoint.NewIntValue(val.GetIntValue())
}
return datapoint.NewStringValue(val.GetStrValue())
}
func TestNewProtobufDataPoint(t *testing.T) {
protoDatapoint := &com_signalfx_metrics_protobuf.DataPoint{
Source: workarounds.GolangDoesnotAllowPointerToStringLiteral("asource"),
Metric: workarounds.GolangDoesnotAllowPointerToStringLiteral("ametric"),
Value: &com_signalfx_metrics_protobuf.Datum{IntValue: workarounds.GolangDoesnotAllowPointerToIntLiteral(2)},
Dimensions: []*com_signalfx_metrics_protobuf.Dimension{{
Key: workarounds.GolangDoesnotAllowPointerToStringLiteral("key"),
Value: workarounds.GolangDoesnotAllowPointerToStringLiteral("value"),
}},
}
dp, err := NewProtobufDataPointWithType(protoDatapoint, com_signalfx_metrics_protobuf.MetricType_COUNTER)
assert.Equal(t, "asource", dp.Dimensions["sf_source"], "Line should be invalid")
assert.NoError(t, err)
assert.Equal(t, datapoint.Count, dp.MetricType, "Line should be invalid")
v := com_signalfx_metrics_protobuf.MetricType_CUMULATIVE_COUNTER
protoDatapoint.MetricType = &v
dp, err = NewProtobufDataPointWithType(protoDatapoint, com_signalfx_metrics_protobuf.MetricType_COUNTER)
assert.NoError(t, err)
assert.Equal(t, datapoint.Counter, dp.MetricType, "Line should be invalid")
item := &BodySendFormatV2{
Metric: "ametric",
Value: 3.0,
}
assert.Contains(t, item.String(), "ametric", "Should get metric name back")
f, _ := ValueToValue(item.Value)
assert.Equal(t, datapoint.NewFloatValue(3.0), f, "Should get value 3 back")
item.Value = 3
i, _ := ValueToValue(item.Value)
assert.Equal(t, datapoint.NewIntValue(3), i, "Should get value 3 back")
item.Value = int64(3)
ValueToValue(item.Value)
item.Value = "abc"
s, _ := ValueToValue(item.Value)
assert.Equal(t, datapoint.NewStringValue("abc"), s, "Should get value abc back")
item.Value = struct{}{}
_, err = ValueToValue(item.Value)
assert.Error(t, err)
}
// ValueToValue converts the v2 JSON value to a core api Value
func ValueToValue(v ValueToSend) (datapoint.Value, error) {
f, ok := v.(float64)
if ok {
return datapoint.NewFloatValue(f), nil
}
i, ok := v.(int64)
if ok {
return datapoint.NewIntValue(i), nil
}
i2, ok := v.(int)
if ok {
return datapoint.NewIntValue(int64(i2)), nil
}
s, ok := v.(string)
if ok {
return datapoint.NewStringValue(s), nil
}
return nil, fmt.Errorf("unable to convert value: %s", v)
}
func TestDatumForPoint(t *testing.T) {
assert.Equal(t, int64(3), datumForPoint(datapoint.NewIntValue(3)).GetIntValue())
assert.Equal(t, 0.0, datumForPoint(datapoint.NewIntValue(3)).GetDoubleValue())
assert.Equal(t, .1, datumForPoint(datapoint.NewFloatValue(.1)).GetDoubleValue())
assert.Equal(t, "hi", datumForPoint(datapoint.NewStringValue("hi")).GetStrValue())
}
