/usr/share/gocode/src/github.com/armon/go-metrics/sink_test.go is in golang-github-armon-go-metrics-dev 0.0~git20170601.0.f036747-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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import (
"reflect"
"strings"
"testing"
)
type MockSink struct {
keys [][]string
vals []float32
}
func (m *MockSink) SetGauge(key []string, val float32) {
m.keys = append(m.keys, key)
m.vals = append(m.vals, val)
}
func (m *MockSink) EmitKey(key []string, val float32) {
m.keys = append(m.keys, key)
m.vals = append(m.vals, val)
}
func (m *MockSink) IncrCounter(key []string, val float32) {
m.keys = append(m.keys, key)
m.vals = append(m.vals, val)
}
func (m *MockSink) AddSample(key []string, val float32) {
m.keys = append(m.keys, key)
m.vals = append(m.vals, val)
}
func TestFanoutSink_Gauge(t *testing.T) {
m1 := &MockSink{}
m2 := &MockSink{}
fh := &FanoutSink{m1, m2}
k := []string{"test"}
v := float32(42.0)
fh.SetGauge(k, v)
if !reflect.DeepEqual(m1.keys[0], k) {
t.Fatalf("key not equal")
}
if !reflect.DeepEqual(m2.keys[0], k) {
t.Fatalf("key not equal")
}
if !reflect.DeepEqual(m1.vals[0], v) {
t.Fatalf("val not equal")
}
if !reflect.DeepEqual(m2.vals[0], v) {
t.Fatalf("val not equal")
}
}
func TestFanoutSink_Key(t *testing.T) {
m1 := &MockSink{}
m2 := &MockSink{}
fh := &FanoutSink{m1, m2}
k := []string{"test"}
v := float32(42.0)
fh.EmitKey(k, v)
if !reflect.DeepEqual(m1.keys[0], k) {
t.Fatalf("key not equal")
}
if !reflect.DeepEqual(m2.keys[0], k) {
t.Fatalf("key not equal")
}
if !reflect.DeepEqual(m1.vals[0], v) {
t.Fatalf("val not equal")
}
if !reflect.DeepEqual(m2.vals[0], v) {
t.Fatalf("val not equal")
}
}
func TestFanoutSink_Counter(t *testing.T) {
m1 := &MockSink{}
m2 := &MockSink{}
fh := &FanoutSink{m1, m2}
k := []string{"test"}
v := float32(42.0)
fh.IncrCounter(k, v)
if !reflect.DeepEqual(m1.keys[0], k) {
t.Fatalf("key not equal")
}
if !reflect.DeepEqual(m2.keys[0], k) {
t.Fatalf("key not equal")
}
if !reflect.DeepEqual(m1.vals[0], v) {
t.Fatalf("val not equal")
}
if !reflect.DeepEqual(m2.vals[0], v) {
t.Fatalf("val not equal")
}
}
func TestFanoutSink_Sample(t *testing.T) {
m1 := &MockSink{}
m2 := &MockSink{}
fh := &FanoutSink{m1, m2}
k := []string{"test"}
v := float32(42.0)
fh.AddSample(k, v)
if !reflect.DeepEqual(m1.keys[0], k) {
t.Fatalf("key not equal")
}
if !reflect.DeepEqual(m2.keys[0], k) {
t.Fatalf("key not equal")
}
if !reflect.DeepEqual(m1.vals[0], v) {
t.Fatalf("val not equal")
}
if !reflect.DeepEqual(m2.vals[0], v) {
t.Fatalf("val not equal")
}
}
func TestNewMetricSinkFromURL(t *testing.T) {
for _, tc := range []struct {
desc string
input string
expect reflect.Type
expectErr string
}{
{
desc: "statsd scheme yields a StatsdSink",
input: "statsd://someserver:123",
expect: reflect.TypeOf(&StatsdSink{}),
},
{
desc: "statsite scheme yields a StatsiteSink",
input: "statsite://someserver:123",
expect: reflect.TypeOf(&StatsiteSink{}),
},
{
desc: "inmem scheme yields an InmemSink",
input: "inmem://?interval=30s&retain=30s",
expect: reflect.TypeOf(&InmemSink{}),
},
{
desc: "unknown scheme yields an error",
input: "notasink://whatever",
expectErr: "unrecognized sink name: \"notasink\"",
},
} {
t.Run(tc.desc, func(t *testing.T) {
ms, err := NewMetricSinkFromURL(tc.input)
if tc.expectErr != "" {
if !strings.Contains(err.Error(), tc.expectErr) {
t.Fatalf("expected err: %q to contain: %q", err, tc.expectErr)
}
} else {
if err != nil {
t.Fatalf("unexpected err: %s", err)
}
got := reflect.TypeOf(ms)
if got != tc.expect {
t.Fatalf("expected return type to be %v, got: %v", tc.expect, got)
}
}
})
}
}
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