91 lines
2.3 KiB
Go
91 lines
2.3 KiB
Go
|
package lib
|
||
|
|
|
||
|
|
import (
|
||
|
|
"reflect"
|
||
|
|
"testing"
|
||
|
|
"time"
|
||
|
|
|
||
|
|
"github.com/stretchr/testify/require"
|
||
|
|
)
|
||
|
|
|
||
|
|
func makeFullTelemetryConfig(t *testing.T) TelemetryConfig {
|
||
|
|
var (
|
||
|
|
strSliceVal = []string{"foo"}
|
||
|
|
strVal = "foo"
|
||
|
|
intVal = int64(1 * time.Second)
|
||
|
|
)
|
||
|
|
|
||
|
|
cfg := TelemetryConfig{}
|
||
|
|
cfgP := reflect.ValueOf(&cfg)
|
||
|
|
cfgV := cfgP.Elem()
|
||
|
|
for i := 0; i < cfgV.NumField(); i++ {
|
||
|
|
f := cfgV.Field(i)
|
||
|
|
if !f.IsValid() || !f.CanSet() {
|
||
|
|
continue
|
||
|
|
}
|
||
|
|
// Set non-zero values for all fields. We only implement kinds that exist
|
||
|
|
// now for brevity but will fail the test if a new field type is added since
|
||
|
|
// this is likely not implemented in MergeDefaults either.
|
||
|
|
switch f.Kind() {
|
||
|
|
case reflect.Slice:
|
||
|
|
if f.Type() != reflect.TypeOf(strSliceVal) {
|
||
|
|
t.Fatalf("unknown slice type in TelemetryConfig." +
|
||
|
|
" You need to update MergeDefaults and this test code.")
|
||
|
|
}
|
||
|
|
f.Set(reflect.ValueOf(strSliceVal))
|
||
|
|
case reflect.Int, reflect.Int64: // time.Duration == int64
|
||
|
|
f.SetInt(intVal)
|
||
|
|
case reflect.String:
|
||
|
|
f.SetString(strVal)
|
||
|
|
case reflect.Bool:
|
||
|
|
f.SetBool(true)
|
||
|
|
default:
|
||
|
|
t.Fatalf("unknown field type in TelemetryConfig" +
|
||
|
|
" You need to update MergeDefaults and this test code.")
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return cfg
|
||
|
|
}
|
||
|
|
|
||
|
|
func TestTelemetryConfig_MergeDefaults(t *testing.T) {
|
||
|
|
tests := []struct {
|
||
|
|
name string
|
||
|
|
cfg TelemetryConfig
|
||
|
|
defaults TelemetryConfig
|
||
|
|
want TelemetryConfig
|
||
|
|
}{
|
||
|
|
{
|
||
|
|
name: "basic merge",
|
||
|
|
cfg: TelemetryConfig{
|
||
|
|
StatsiteAddr: "stats.it:4321",
|
||
|
|
},
|
||
|
|
defaults: TelemetryConfig{
|
||
|
|
StatsdAddr: "localhost:5678",
|
||
|
|
StatsiteAddr: "localhost:1234",
|
||
|
|
},
|
||
|
|
want: TelemetryConfig{
|
||
|
|
StatsdAddr: "localhost:5678",
|
||
|
|
StatsiteAddr: "stats.it:4321",
|
||
|
|
},
|
||
|
|
},
|
||
|
|
{
|
||
|
|
// This test uses reflect to build a TelemetryConfig with every value set
|
||
|
|
// to ensure that we exercise every possible field type. This means that
|
||
|
|
// if new fields are added that are not supported types in the code, this
|
||
|
|
// test should either ensure they work or fail to build the test case and
|
||
|
|
// fail the test.
|
||
|
|
name: "exhaustive",
|
||
|
|
cfg: TelemetryConfig{},
|
||
|
|
defaults: makeFullTelemetryConfig(t),
|
||
|
|
want: makeFullTelemetryConfig(t),
|
||
|
|
},
|
||
|
|
}
|
||
|
|
for _, tt := range tests {
|
||
|
|
t.Run(tt.name, func(t *testing.T) {
|
||
|
|
c := tt.cfg
|
||
|
|
c.MergeDefaults(&tt.defaults)
|
||
|
|
require.Equal(t, tt.want, c)
|
||
|
|
})
|
||
|
|
}
|
||
|
|
}
|