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recorder_internal_test.go
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recorder_internal_test.go
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package instana
import (
"testing"
ext "github.com/opentracing/opentracing-go/ext"
"github.com/stretchr/testify/assert"
)
func TestSpanKind(t *testing.T) {
opts := Options{LogLevel: Debug}
InitSensor(&opts)
recorder := NewTestRecorder()
tracer := NewTracerWithEverything(&opts, recorder)
// Exit
span := tracer.StartSpan("http-client")
span.SetTag(string(ext.SpanKind), "exit")
span.Finish()
kind := span.(*spanS).getSpanKindTag()
assert.EqualValues(t, "exit", kind, "Wrong span kind")
// Entry
span = tracer.StartSpan("http-client")
span.SetTag(string(ext.SpanKind), "entry")
span.Finish()
kind = span.(*spanS).getSpanKindTag()
assert.EqualValues(t, "entry", kind, "Wrong span kind")
// Consumer
span = tracer.StartSpan("http-client")
span.SetTag(string(ext.SpanKind), "consumer")
span.Finish()
kind = span.(*spanS).getSpanKindTag()
assert.EqualValues(t, "entry", kind, "Wrong span kind")
// Producer
span = tracer.StartSpan("http-client")
span.SetTag(string(ext.SpanKind), "producer")
span.Finish()
kind = span.(*spanS).getSpanKindTag()
assert.EqualValues(t, "exit", kind, "Wrong span kind")
}
func TestGetTag(t *testing.T) {
opts := Options{LogLevel: Debug}
InitSensor(&opts)
recorder := NewTestRecorder()
tracer := NewTracerWithEverything(&opts, recorder)
// Exit
span := tracer.StartSpan("http-client")
span.SetTag("foo", "bar")
span.Finish()
tag := span.(*spanS).getTag("foo")
assert.EqualValues(t, "bar", tag, "getTag unexpected return value")
span = tracer.StartSpan("http-client")
span.Finish()
tag = span.(*spanS).getTag("magic")
assert.EqualValues(t, "", tag, "getTag should return empty string for non-existent tags")
}
func TestGetIntTag(t *testing.T) {
opts := Options{LogLevel: Debug}
InitSensor(&opts)
recorder := NewTestRecorder()
tracer := NewTracerWithEverything(&opts, recorder)
span := tracer.StartSpan("http-client")
span.SetTag("one", 1)
span.SetTag("two", "twotwo")
span.Finish()
tag := span.(*spanS).getIntTag("one")
assert.EqualValues(t, 1, tag, "geIntTag unexpected return value")
// Non-existent
tag = span.(*spanS).getIntTag("thirtythree")
assert.EqualValues(t, -1, tag, "geIntTag should return -1 for non-existent tags")
// Non-Int value (it's a string)
tag = span.(*spanS).getIntTag("two")
assert.EqualValues(t, -1, tag, "geIntTag should return -1 for non-int tags")
}
func TestGetStringTag(t *testing.T) {
opts := Options{LogLevel: Debug}
InitSensor(&opts)
recorder := NewTestRecorder()
tracer := NewTracerWithEverything(&opts, recorder)
span := tracer.StartSpan("http-client")
span.SetTag("int", 1)
span.SetTag("float", 2.3420493)
span.SetTag("two", "twotwo")
span.Finish()
tag := span.(*spanS).getStringTag("two")
assert.EqualValues(t, "twotwo", tag, "geStringTag unexpected return value")
// Non-existent
tag = span.(*spanS).getStringTag("thirtythree")
assert.EqualValues(t, "", tag, "getStringTag should return empty string for non-existent tags")
// Non-string value (it's an int)
tag = span.(*spanS).getStringTag("int")
assert.EqualValues(t, "1", tag, "geStringTag should return string for non-string tag values")
// Non-string value (it's an float)
tag = span.(*spanS).getStringTag("float")
assert.EqualValues(t, "2.3420493", tag, "geStringTag should return string for non-string tag values")
}
func TestGetHostName(t *testing.T) {
opts := Options{LogLevel: Debug}
InitSensor(&opts)
recorder := NewTestRecorder()
tracer := NewTracerWithEverything(&opts, recorder)
span := tracer.StartSpan("http-client")
span.SetTag("int", 1)
span.SetTag("float", 2.3420493)
span.SetTag("two", "twotwo")
span.Finish()
hostname := span.(*spanS).getHostName()
assert.True(t, len(hostname) > 0, "must return a valid string value")
}