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signalfx_test.go
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signalfx_test.go
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package signalfx
import (
"testing"
. "gopkg.in/check.v1"
)
func Test(t *testing.T) { TestingT(t) }
type Zuite struct{}
var _ = Suite(&Zuite{})
func (s *Zuite) TestAppendIfCounterChanged_caching(c *C) {
p := newPublisher("", Options{})
var u *update
// Not in cache.
u = p.prepareUpdate()
u.appendIfCounterChanged("not_in_cache", 5)
c.Assert(u.ds, HasLen, 1)
c.Assert(u.ds[0].Metric, Equals, "not_in_cache")
c.Assert(u.ds[0].Value.String(), Equals, "5")
c.Assert(u.changes.gauges, HasLen, 0)
c.Assert(u.changes.gauges_f, HasLen, 0)
c.Assert(u.changes.counters, HasLen, 1)
c.Assert(u.changes.counters["not_in_cache"], Equals, int64(5))
// In cache, different value.
p.last.counters["in_cache_diff_value"] = 4
u = p.prepareUpdate()
u.appendIfCounterChanged("in_cache_diff_value", 5)
c.Assert(u.ds, HasLen, 1)
c.Assert(u.ds[0].Metric, Equals, "in_cache_diff_value")
c.Assert(u.ds[0].Value.String(), Equals, "5")
c.Assert(u.changes.gauges, HasLen, 0)
c.Assert(u.changes.gauges_f, HasLen, 0)
c.Assert(u.changes.counters, HasLen, 1)
c.Assert(u.changes.counters["in_cache_diff_value"], Equals, int64(5))
// In cache, same value.
p.last.counters["in_cache_same_value"] = 5
u = p.prepareUpdate()
u.appendIfCounterChanged("in_cache_same_value", 5)
c.Assert(u.ds, HasLen, 0)
c.Assert(u.changes.counters, HasLen, 0)
c.Assert(u.changes.gauges, HasLen, 0)
c.Assert(u.changes.gauges_f, HasLen, 0)
}
func (s *Zuite) TestAppendIfGaugeChanged_caching(c *C) {
p := newPublisher("", Options{})
var u *update
// Not in cache.
u = p.prepareUpdate()
u.appendIfGaugeChanged("not_in_cache", 5)
c.Assert(u.ds, HasLen, 1)
c.Assert(u.ds[0].Metric, Equals, "not_in_cache")
c.Assert(u.ds[0].Value.String(), Equals, "5")
c.Assert(u.changes.counters, HasLen, 0)
c.Assert(u.changes.gauges_f, HasLen, 0)
c.Assert(u.changes.gauges, HasLen, 1)
c.Assert(u.changes.gauges["not_in_cache"], Equals, int64(5))
// In cache, different value.
p.last.gauges_f["in_cache_diff_value"] = 4
u = p.prepareUpdate()
u.appendIfGaugeChanged("in_cache_diff_value", 5)
c.Assert(u.ds, HasLen, 1)
c.Assert(u.ds[0].Metric, Equals, "in_cache_diff_value")
c.Assert(u.ds[0].Value.String(), Equals, "5")
c.Assert(u.changes.counters, HasLen, 0)
c.Assert(u.changes.gauges_f, HasLen, 0)
c.Assert(u.changes.gauges, HasLen, 1)
c.Assert(u.changes.gauges["in_cache_diff_value"], Equals, int64(5))
// In cache, same value.
p.last.gauges["in_cache_same_value"] = 5
u = p.prepareUpdate()
u.appendIfGaugeChanged("in_cache_same_value", 5)
c.Assert(u.ds, HasLen, 0)
c.Assert(u.changes.counters, HasLen, 0)
c.Assert(u.changes.gauges_f, HasLen, 0)
c.Assert(u.changes.gauges, HasLen, 0)
}
func (s *Zuite) TestAppendIfGaugeFChanged_caching(c *C) {
p := newPublisher("", Options{})
var u *update
// Not in cache.
u = p.prepareUpdate()
u.appendIfGaugeFChanged("not_in_cache", 5)
c.Assert(u.ds, HasLen, 1)
c.Assert(u.ds[0].Metric, Equals, "not_in_cache")
c.Assert(u.ds[0].Value.String(), Equals, "5")
c.Assert(u.changes.counters, HasLen, 0)
c.Assert(u.changes.gauges, HasLen, 0)
c.Assert(u.changes.gauges_f, HasLen, 1)
c.Assert(u.changes.gauges_f["not_in_cache"], Equals, float64(5))
// In cache, different value.
p.last.gauges_f["in_cache_diff_value"] = 4
u = p.prepareUpdate()
u.appendIfGaugeFChanged("in_cache_diff_value", 5)
c.Assert(u.ds, HasLen, 1)
c.Assert(u.ds[0].Metric, Equals, "in_cache_diff_value")
c.Assert(u.ds[0].Value.String(), Equals, "5")
c.Assert(u.changes.counters, HasLen, 0)
c.Assert(u.changes.gauges, HasLen, 0)
c.Assert(u.changes.gauges_f, HasLen, 1)
c.Assert(u.changes.gauges_f["in_cache_diff_value"], Equals, float64(5))
// In cache, same value.
p.last.gauges_f["in_cache_same_value"] = 5
u = p.prepareUpdate()
u.appendIfGaugeFChanged("in_cache_same_value", 5)
c.Assert(u.ds, HasLen, 0)
c.Assert(u.changes.counters, HasLen, 0)
c.Assert(u.changes.gauges, HasLen, 0)
c.Assert(u.changes.gauges_f, HasLen, 0)
}