package tracer import ( "context" "testing" ) func TestFromContext(t *testing.T) { ctx := context.WithValue(context.TODO(), tracerKey{}, NewTracer()) c, ok := FromContext(ctx) if c == nil || !ok { t.Fatal("FromContext not works") } } func TestNewContext(t *testing.T) { ctx := NewContext(context.TODO(), NewTracer()) c, ok := FromContext(ctx) if c == nil || !ok { t.Fatal("NewContext not works") } }