// Configuration returns the configuration payload
// of the passed event or an empty configuration.
func Configuration(event cells.Event) configuration.Configuration {
payload, ok := event.Payload().Get(ConfigurationPayload)
if !ok {
logger.Warningf("event does not contain configuration payload")
config, _ := configuration.ReadString("{config}")
return config
}
config, ok := payload.(configuration.Configuration)
if !ok {
logger.Warningf("configuration payload has illegal type")
config, _ := configuration.ReadString("{config}")
return config
}
return config
}
// TestGetDefault tests the retrieval of values with defaults.
func TestGetDefault(t *testing.T) {
assert := audit.NewTestingAssertion(t, true)
source := "{config {a Hello}}"
config, err := configuration.ReadString(source)
assert.Nil(err)
vs := config.At("a").GetDefault("default")
assert.Equal(vs, "Hello")
vs = config.At("foo").GetDefault("default")
assert.Equal(vs, "default")
vb := config.At("foo").GetBoolDefault(true)
assert.True(vb)
vi := config.At("foo").GetIntDefault(42)
assert.Equal(vi, 42)
vf := config.At("foo").GetFloat64Default(47.11)
assert.Equal(vf, 47.11)
now := time.Now()
vt := config.At("foo").GetTimeDefault(now)
assert.Equal(vt, now)
dur := 5 * time.Second
vd := config.At("foo").GetDurationDefault(dur)
assert.Equal(vd, dur)
}
// TestApply tests the applying of values.
func TestApply(t *testing.T) {
assert := audit.NewTestingAssertion(t, true)
source := "{config {a Hello}{sub {a World}}}"
config, err := configuration.ReadString(source)
assert.Nil(err)
applied, err := config.Apply(map[string]string{
"sub/a": "Tester",
"b": "42",
})
assert.Nil(err)
vs, err := applied.At("sub", "a").Get()
assert.Nil(err)
assert.Equal(vs, "Tester")
vi, err := applied.At("b").GetInt()
assert.Nil(err)
assert.Equal(vi, 42)
}
// TestList tests the listing of configuration keys.
func TestList(t *testing.T) {
assert := audit.NewTestingAssertion(t, true)
source := `{config {a 1}{b 2}{c 3}{sub {a 4.1}{b 4.2}}}`
config, err := configuration.ReadString(source)
assert.Nil(err)
keys, err := config.At().List()
assert.Nil(err)
assert.Length(keys, 4)
assert.Equal(keys, []string{"a", "b", "c", "sub"})
keys, err = config.At("sub").List()
assert.Nil(err)
assert.Length(keys, 2)
assert.Equal(keys, []string{"a", "b"})
keys, err = config.At("sub", "a").List()
assert.Nil(err)
assert.Length(keys, 0)
_, err = config.At("x").List()
assert.ErrorMatch(err, `.* invalid configuration path "/config/x"`)
}